Mercurial > public > ostc4
annotate Common/Drivers/STM32F4xx_HAL_Driver/Src/stm32f4xx_hal_pccard.c @ 480:3fe9cc747c5c Improve_Button_Sleep
Code cleanup pressure plausibility check:
The function was deactivated (always returning true) some time ago => removed useless code
author | ideenmodellierer |
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date | Wed, 13 May 2020 21:56:35 +0200 |
parents | c78bcbd5deda |
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rev | line source |
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128
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1 /** |
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2 ****************************************************************************** |
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3 * @file stm32f4xx_hal_pccard.c |
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4 * @author MCD Application Team |
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5 * @brief PCCARD HAL module driver. |
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6 * This file provides a generic firmware to drive PCCARD memories mounted |
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7 * as external device. |
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8 * |
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9 @verbatim |
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10 =============================================================================== |
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11 ##### How to use this driver ##### |
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12 =============================================================================== |
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13 [..] |
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14 This driver is a generic layered driver which contains a set of APIs used to |
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15 control PCCARD/compact flash memories. It uses the FMC/FSMC layer functions |
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16 to interface with PCCARD devices. This driver is used for: |
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17 |
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18 (+) PCCARD/Compact Flash memory configuration sequence using the function |
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19 HAL_PCCARD_Init()/HAL_CF_Init() with control and timing parameters for |
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20 both common and attribute spaces. |
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21 |
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22 (+) Read PCCARD/Compact Flash memory maker and device IDs using the function |
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23 HAL_PCCARD_Read_ID()/HAL_CF_Read_ID(). The read information is stored in |
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24 the CompactFlash_ID structure declared by the function caller. |
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25 |
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26 (+) Access PCCARD/Compact Flash memory by read/write operations using the functions |
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27 HAL_PCCARD_Read_Sector()/ HAL_PCCARD_Write_Sector() - |
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28 HAL_CF_Read_Sector()/HAL_CF_Write_Sector(), to read/write sector. |
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29 |
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30 (+) Perform PCCARD/Compact Flash Reset chip operation using the function |
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31 HAL_PCCARD_Reset()/HAL_CF_Reset. |
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32 |
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33 (+) Perform PCCARD/Compact Flash erase sector operation using the function |
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34 HAL_PCCARD_Erase_Sector()/HAL_CF_Erase_Sector. |
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35 |
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36 (+) Read the PCCARD/Compact Flash status operation using the function |
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37 HAL_PCCARD_ReadStatus()/HAL_CF_ReadStatus(). |
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38 |
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39 (+) You can monitor the PCCARD/Compact Flash device HAL state by calling |
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40 the function HAL_PCCARD_GetState()/HAL_CF_GetState() |
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41 |
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42 [..] |
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43 (@) This driver is a set of generic APIs which handle standard PCCARD/compact flash |
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44 operations. If a PCCARD/Compact Flash device contains different operations |
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45 and/or implementations, it should be implemented separately. |
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46 |
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47 @endverbatim |
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48 ****************************************************************************** |
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49 * @attention |
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50 * |
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51 * <h2><center>© COPYRIGHT(c) 2017 STMicroelectronics</center></h2> |
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52 * |
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53 * Redistribution and use in source and binary forms, with or without modification, |
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54 * are permitted provided that the following conditions are met: |
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55 * 1. Redistributions of source code must retain the above copyright notice, |
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56 * this list of conditions and the following disclaimer. |
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57 * 2. Redistributions in binary form must reproduce the above copyright notice, |
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58 * this list of conditions and the following disclaimer in the documentation |
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59 * and/or other materials provided with the distribution. |
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60 * 3. Neither the name of STMicroelectronics nor the names of its contributors |
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61 * may be used to endorse or promote products derived from this software |
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62 * without specific prior written permission. |
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63 * |
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64 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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65 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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66 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
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67 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
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68 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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69 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
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70 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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71 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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72 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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73 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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74 * |
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75 ****************************************************************************** |
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76 */ |
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77 |
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78 /* Includes ------------------------------------------------------------------*/ |
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79 #include "stm32f4xx_hal.h" |
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80 |
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81 /** @addtogroup STM32F4xx_HAL_Driver |
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82 * @{ |
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83 */ |
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84 |
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85 #ifdef HAL_PCCARD_MODULE_ENABLED |
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86 #if defined(STM32F405xx) || defined(STM32F415xx) || defined(STM32F407xx) || defined(STM32F417xx) ||\ |
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87 defined(STM32F427xx) || defined(STM32F437xx) || defined(STM32F429xx) || defined(STM32F439xx) |
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88 /** @defgroup PCCARD PCCARD |
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89 * @brief PCCARD HAL module driver |
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90 * @{ |
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91 */ |
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92 /* Private typedef -----------------------------------------------------------*/ |
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93 /* Private define ------------------------------------------------------------*/ |
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94 |
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95 /** @defgroup PCCARD_Private_Defines PCCARD Private Defines |
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96 * @{ |
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97 */ |
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98 #define PCCARD_TIMEOUT_READ_ID 0x0000FFFFU |
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99 #define PCCARD_TIMEOUT_READ_WRITE_SECTOR 0x0000FFFFU |
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100 #define PCCARD_TIMEOUT_ERASE_SECTOR 0x00000400U |
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101 #define PCCARD_TIMEOUT_STATUS 0x01000000U |
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102 |
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103 #define PCCARD_STATUS_OK (uint8_t)0x58 |
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104 #define PCCARD_STATUS_WRITE_OK (uint8_t)0x50 |
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105 /** |
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106 * @} |
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107 */ |
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108 |
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109 /* Private macro -------------------------------------------------------------*/ |
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110 /* Private variables ---------------------------------------------------------*/ |
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111 /* Private function ----------------------------------------------------------*/ |
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112 /* Exported functions --------------------------------------------------------*/ |
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113 /** @defgroup PCCARD_Exported_Functions PCCARD Exported Functions |
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114 * @{ |
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115 */ |
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116 |
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117 /** @defgroup PCCARD_Exported_Functions_Group1 Initialization and de-initialization functions |
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118 * @brief Initialization and Configuration functions |
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119 * |
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120 @verbatim |
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121 ============================================================================== |
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122 ##### PCCARD Initialization and de-initialization functions ##### |
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123 ============================================================================== |
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124 [..] |
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125 This section provides functions allowing to initialize/de-initialize |
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126 the PCCARD memory |
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127 |
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128 @endverbatim |
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129 * @{ |
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130 */ |
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131 |
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132 /** |
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133 * @brief Perform the PCCARD memory Initialization sequence |
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134 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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135 * the configuration information for PCCARD module. |
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136 * @param ComSpaceTiming Common space timing structure |
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137 * @param AttSpaceTiming Attribute space timing structure |
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138 * @param IOSpaceTiming IO space timing structure |
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139 * @retval HAL status |
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140 */ |
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141 HAL_StatusTypeDef HAL_PCCARD_Init(PCCARD_HandleTypeDef *hpccard, FMC_NAND_PCC_TimingTypeDef *ComSpaceTiming, FMC_NAND_PCC_TimingTypeDef *AttSpaceTiming, FMC_NAND_PCC_TimingTypeDef *IOSpaceTiming) |
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142 { |
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143 /* Check the PCCARD controller state */ |
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144 if(hpccard == NULL) |
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145 { |
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146 return HAL_ERROR; |
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147 } |
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148 |
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149 if(hpccard->State == HAL_PCCARD_STATE_RESET) |
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150 { |
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151 /* Allocate lock resource and initialize it */ |
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152 hpccard->Lock = HAL_UNLOCKED; |
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153 /* Initialize the low level hardware (MSP) */ |
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154 HAL_PCCARD_MspInit(hpccard); |
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155 } |
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156 |
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157 /* Initialize the PCCARD state */ |
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158 hpccard->State = HAL_PCCARD_STATE_BUSY; |
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159 |
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160 /* Initialize PCCARD control Interface */ |
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161 FMC_PCCARD_Init(hpccard->Instance, &(hpccard->Init)); |
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162 |
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163 /* Init PCCARD common space timing Interface */ |
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164 FMC_PCCARD_CommonSpace_Timing_Init(hpccard->Instance, ComSpaceTiming); |
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165 |
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166 /* Init PCCARD attribute space timing Interface */ |
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167 FMC_PCCARD_AttributeSpace_Timing_Init(hpccard->Instance, AttSpaceTiming); |
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168 |
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169 /* Init PCCARD IO space timing Interface */ |
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170 FMC_PCCARD_IOSpace_Timing_Init(hpccard->Instance, IOSpaceTiming); |
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171 |
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172 /* Enable the PCCARD device */ |
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173 __FMC_PCCARD_ENABLE(hpccard->Instance); |
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174 |
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175 /* Update the PCCARD state */ |
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176 hpccard->State = HAL_PCCARD_STATE_READY; |
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177 |
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178 return HAL_OK; |
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179 |
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180 } |
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181 |
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182 /** |
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183 * @brief Perform the PCCARD memory De-initialization sequence |
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184 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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185 * the configuration information for PCCARD module. |
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186 * @retval HAL status |
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187 */ |
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188 HAL_StatusTypeDef HAL_PCCARD_DeInit(PCCARD_HandleTypeDef *hpccard) |
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189 { |
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190 /* De-Initialize the low level hardware (MSP) */ |
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191 HAL_PCCARD_MspDeInit(hpccard); |
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192 |
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193 /* Configure the PCCARD registers with their reset values */ |
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194 FMC_PCCARD_DeInit(hpccard->Instance); |
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195 |
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196 /* Update the PCCARD controller state */ |
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197 hpccard->State = HAL_PCCARD_STATE_RESET; |
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198 |
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199 /* Release Lock */ |
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200 __HAL_UNLOCK(hpccard); |
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201 |
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202 return HAL_OK; |
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203 } |
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204 |
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205 /** |
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206 * @brief PCCARD MSP Init |
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207 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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208 * the configuration information for PCCARD module. |
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209 * @retval None |
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210 */ |
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211 __weak void HAL_PCCARD_MspInit(PCCARD_HandleTypeDef *hpccard) |
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212 { |
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213 /* Prevent unused argument(s) compilation warning */ |
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214 UNUSED(hpccard); |
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215 /* NOTE : This function Should not be modified, when the callback is needed, |
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216 the HAL_PCCARD_MspInit could be implemented in the user file |
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217 */ |
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218 } |
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219 |
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220 /** |
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221 * @brief PCCARD MSP DeInit |
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222 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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223 * the configuration information for PCCARD module. |
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224 * @retval None |
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225 */ |
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226 __weak void HAL_PCCARD_MspDeInit(PCCARD_HandleTypeDef *hpccard) |
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227 { |
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228 /* Prevent unused argument(s) compilation warning */ |
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229 UNUSED(hpccard); |
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230 /* NOTE : This function Should not be modified, when the callback is needed, |
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231 the HAL_PCCARD_MspDeInit could be implemented in the user file |
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232 */ |
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233 } |
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234 |
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235 /** |
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236 * @} |
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237 */ |
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238 |
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239 /** @defgroup PCCARD_Exported_Functions_Group2 Input and Output functions |
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240 * @brief Input Output and memory control functions |
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241 * |
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242 @verbatim |
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243 ============================================================================== |
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244 ##### PCCARD Input and Output functions ##### |
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245 ============================================================================== |
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246 [..] |
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247 This section provides functions allowing to use and control the PCCARD memory |
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248 |
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249 @endverbatim |
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250 * @{ |
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251 */ |
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252 |
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253 /** |
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254 * @brief Read Compact Flash's ID. |
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255 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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256 * the configuration information for PCCARD module. |
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257 * @param CompactFlash_ID Compact flash ID structure. |
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258 * @param pStatus pointer to compact flash status |
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259 * @retval HAL status |
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260 * |
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261 */ |
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262 HAL_StatusTypeDef HAL_PCCARD_Read_ID(PCCARD_HandleTypeDef *hpccard, uint8_t CompactFlash_ID[], uint8_t *pStatus) |
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263 { |
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264 uint32_t timeout = PCCARD_TIMEOUT_READ_ID, index = 0U; |
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265 uint8_t status = 0; |
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266 |
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267 /* Process Locked */ |
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268 __HAL_LOCK(hpccard); |
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269 |
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270 /* Check the PCCARD controller state */ |
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271 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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272 { |
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273 return HAL_BUSY; |
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274 } |
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275 |
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276 /* Update the PCCARD controller state */ |
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277 hpccard->State = HAL_PCCARD_STATE_BUSY; |
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278 |
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279 /* Initialize the PCCARD status */ |
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280 *pStatus = PCCARD_READY; |
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281 |
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282 /* Send the Identify Command */ |
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283 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD) = 0xECEC; |
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284 |
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285 /* Read PCCARD IDs and timeout treatment */ |
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286 do |
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287 { |
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288 /* Read the PCCARD status */ |
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289 status = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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290 |
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291 timeout--; |
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292 }while((status != PCCARD_STATUS_OK) && timeout); |
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293 |
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294 if(timeout == 0U) |
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295 { |
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296 *pStatus = PCCARD_TIMEOUT_ERROR; |
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297 } |
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298 else |
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299 { |
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300 /* Read PCCARD ID bytes */ |
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301 for(index = 0U; index < 16U; index++) |
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302 { |
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303 CompactFlash_ID[index] = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_DATA); |
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304 } |
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305 } |
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306 |
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307 /* Update the PCCARD controller state */ |
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308 hpccard->State = HAL_PCCARD_STATE_READY; |
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309 |
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310 /* Process unlocked */ |
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311 __HAL_UNLOCK(hpccard); |
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312 |
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313 return HAL_OK; |
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314 } |
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315 |
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316 /** |
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317 * @brief Read sector from PCCARD memory |
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318 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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319 * the configuration information for PCCARD module. |
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320 * @param pBuffer pointer to destination read buffer |
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321 * @param SectorAddress Sector address to read |
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322 * @param pStatus pointer to PCCARD status |
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323 * @retval HAL status |
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324 */ |
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325 HAL_StatusTypeDef HAL_PCCARD_Read_Sector(PCCARD_HandleTypeDef *hpccard, uint16_t *pBuffer, uint16_t SectorAddress, uint8_t *pStatus) |
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326 { |
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327 uint32_t timeout = PCCARD_TIMEOUT_READ_WRITE_SECTOR, index = 0U; |
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328 uint8_t status = 0; |
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329 |
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330 /* Process Locked */ |
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331 __HAL_LOCK(hpccard); |
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332 |
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333 /* Check the PCCARD controller state */ |
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334 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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335 { |
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336 return HAL_BUSY; |
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337 } |
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338 |
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339 /* Update the PCCARD controller state */ |
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340 hpccard->State = HAL_PCCARD_STATE_BUSY; |
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341 |
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342 /* Initialize PCCARD status */ |
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343 *pStatus = PCCARD_READY; |
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344 |
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345 /* Set the parameters to write a sector */ |
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346 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_CYLINDER_HIGH) = (uint16_t)0x00; |
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347 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_SECTOR_COUNT) = ((uint16_t)0x0100) | ((uint16_t)SectorAddress); |
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348 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD) = (uint16_t)0xE4A0; |
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349 |
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350 do |
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351 { |
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352 /* wait till the Status = 0x80 */ |
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353 status = *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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354 timeout--; |
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355 }while((status == 0x80) && timeout); |
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356 |
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357 if(timeout == 0U) |
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358 { |
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359 *pStatus = PCCARD_TIMEOUT_ERROR; |
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360 } |
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361 |
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362 timeout = PCCARD_TIMEOUT_READ_WRITE_SECTOR; |
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363 |
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364 do |
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365 { |
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366 /* wait till the Status = PCCARD_STATUS_OK */ |
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367 status = *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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368 timeout--; |
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369 }while((status != PCCARD_STATUS_OK) && timeout); |
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370 |
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371 if(timeout == 0U) |
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372 { |
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373 *pStatus = PCCARD_TIMEOUT_ERROR; |
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374 } |
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375 |
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376 /* Read bytes */ |
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377 for(; index < PCCARD_SECTOR_SIZE; index++) |
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378 { |
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379 *(uint16_t *)pBuffer++ = *(uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR); |
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380 } |
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381 |
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382 /* Update the PCCARD controller state */ |
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383 hpccard->State = HAL_PCCARD_STATE_READY; |
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384 |
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385 /* Process unlocked */ |
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386 __HAL_UNLOCK(hpccard); |
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387 |
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388 return HAL_OK; |
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389 } |
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390 |
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391 |
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392 /** |
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393 * @brief Write sector to PCCARD memory |
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394 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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395 * the configuration information for PCCARD module. |
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396 * @param pBuffer pointer to source write buffer |
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397 * @param SectorAddress Sector address to write |
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398 * @param pStatus pointer to PCCARD status |
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399 * @retval HAL status |
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400 */ |
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401 HAL_StatusTypeDef HAL_PCCARD_Write_Sector(PCCARD_HandleTypeDef *hpccard, uint16_t *pBuffer, uint16_t SectorAddress, uint8_t *pStatus) |
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402 { |
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403 uint32_t timeout = PCCARD_TIMEOUT_READ_WRITE_SECTOR, index = 0U; |
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404 uint8_t status = 0; |
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405 |
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406 /* Process Locked */ |
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407 __HAL_LOCK(hpccard); |
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408 |
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409 /* Check the PCCARD controller state */ |
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410 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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411 { |
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412 return HAL_BUSY; |
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413 } |
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414 |
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415 /* Update the PCCARD controller state */ |
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416 hpccard->State = HAL_PCCARD_STATE_BUSY; |
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417 |
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418 /* Initialize PCCARD status */ |
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419 *pStatus = PCCARD_READY; |
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420 |
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421 /* Set the parameters to write a sector */ |
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422 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_CYLINDER_HIGH) = (uint16_t)0x00; |
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423 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_SECTOR_COUNT) = ((uint16_t)0x0100) | ((uint16_t)SectorAddress); |
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424 *(__IO uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD) = (uint16_t)0x30A0; |
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425 |
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426 do |
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427 { |
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428 /* Wait till the Status = PCCARD_STATUS_OK */ |
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429 status = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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430 timeout--; |
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431 }while((status != PCCARD_STATUS_OK) && timeout); |
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432 |
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433 if(timeout == 0U) |
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434 { |
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435 *pStatus = PCCARD_TIMEOUT_ERROR; |
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436 } |
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437 |
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438 /* Write bytes */ |
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439 for(; index < PCCARD_SECTOR_SIZE; index++) |
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440 { |
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441 *(uint16_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR) = *(uint16_t *)pBuffer++; |
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442 } |
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443 |
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444 do |
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445 { |
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446 /* Wait till the Status = PCCARD_STATUS_WRITE_OK */ |
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447 status = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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448 timeout--; |
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449 }while((status != PCCARD_STATUS_WRITE_OK) && timeout); |
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450 |
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451 if(timeout == 0U) |
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452 { |
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453 *pStatus = PCCARD_TIMEOUT_ERROR; |
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454 } |
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455 |
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456 /* Update the PCCARD controller state */ |
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457 hpccard->State = HAL_PCCARD_STATE_READY; |
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458 |
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459 /* Process unlocked */ |
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460 __HAL_UNLOCK(hpccard); |
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461 |
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462 return HAL_OK; |
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463 } |
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464 |
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465 |
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466 /** |
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467 * @brief Erase sector from PCCARD memory |
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468 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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469 * the configuration information for PCCARD module. |
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470 * @param SectorAddress Sector address to erase |
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471 * @param pStatus pointer to PCCARD status |
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472 * @retval HAL status |
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473 */ |
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474 HAL_StatusTypeDef HAL_PCCARD_Erase_Sector(PCCARD_HandleTypeDef *hpccard, uint16_t SectorAddress, uint8_t *pStatus) |
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475 { |
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476 uint32_t timeout = PCCARD_TIMEOUT_ERASE_SECTOR; |
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477 uint8_t status = 0; |
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478 |
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479 /* Process Locked */ |
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480 __HAL_LOCK(hpccard); |
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481 |
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482 /* Check the PCCARD controller state */ |
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483 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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484 { |
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485 return HAL_BUSY; |
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486 } |
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487 |
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488 /* Update the PCCARD controller state */ |
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489 hpccard->State = HAL_PCCARD_STATE_BUSY; |
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490 |
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491 /* Initialize PCCARD status */ |
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492 *pStatus = PCCARD_READY; |
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493 |
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494 /* Set the parameters to write a sector */ |
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495 *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_CYLINDER_LOW) = 0x00; |
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496 *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_CYLINDER_HIGH) = 0x00; |
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497 *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_SECTOR_NUMBER) = SectorAddress; |
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498 *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_SECTOR_COUNT) = 0x01; |
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499 *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_CARD_HEAD) = 0xA0; |
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500 *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD) = ATA_ERASE_SECTOR_CMD; |
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501 |
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502 /* wait till the PCCARD is ready */ |
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503 status = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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504 |
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505 while((status != PCCARD_STATUS_WRITE_OK) && timeout) |
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506 { |
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507 status = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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508 timeout--; |
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509 } |
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510 |
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511 if(timeout == 0U) |
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512 { |
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513 *pStatus = PCCARD_TIMEOUT_ERROR; |
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514 } |
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515 |
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516 /* Check the PCCARD controller state */ |
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517 hpccard->State = HAL_PCCARD_STATE_READY; |
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518 |
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519 /* Process unlocked */ |
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520 __HAL_UNLOCK(hpccard); |
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521 |
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522 return HAL_OK; |
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523 } |
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524 |
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525 /** |
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526 * @brief Reset the PCCARD memory |
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527 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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528 * the configuration information for PCCARD module. |
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529 * @retval HAL status |
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530 */ |
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531 HAL_StatusTypeDef HAL_PCCARD_Reset(PCCARD_HandleTypeDef *hpccard) |
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532 { |
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533 /* Process Locked */ |
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534 __HAL_LOCK(hpccard); |
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535 |
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536 /* Check the PCCARD controller state */ |
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537 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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538 { |
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539 return HAL_BUSY; |
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540 } |
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541 |
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542 /* Provide a SW reset and Read and verify the: |
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543 - PCCard Configuration Option Register at address 0x98000200 --> 0x80 |
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544 - Card Configuration and Status Register at address 0x98000202 --> 0x00 |
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545 - Pin Replacement Register at address 0x98000204 --> 0x0C |
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546 - Socket and Copy Register at address 0x98000206 --> 0x00 |
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547 */ |
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548 |
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549 /* Check the PCCARD controller state */ |
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550 hpccard->State = HAL_PCCARD_STATE_BUSY; |
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551 |
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552 *(__IO uint8_t *)(PCCARD_ATTRIBUTE_SPACE_ADDRESS | ATA_CARD_CONFIGURATION ) = 0x01; |
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553 |
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554 /* Check the PCCARD controller state */ |
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555 hpccard->State = HAL_PCCARD_STATE_READY; |
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556 |
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557 /* Process unlocked */ |
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558 __HAL_UNLOCK(hpccard); |
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559 |
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560 return HAL_OK; |
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561 } |
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562 |
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563 /** |
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564 * @brief This function handles PCCARD device interrupt request. |
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565 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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566 * the configuration information for PCCARD module. |
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567 * @retval HAL status |
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568 */ |
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569 void HAL_PCCARD_IRQHandler(PCCARD_HandleTypeDef *hpccard) |
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570 { |
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571 /* Check PCCARD interrupt Rising edge flag */ |
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572 if(__FMC_PCCARD_GET_FLAG(hpccard->Instance, FMC_FLAG_RISING_EDGE)) |
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573 { |
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574 /* PCCARD interrupt callback*/ |
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575 HAL_PCCARD_ITCallback(hpccard); |
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576 |
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577 /* Clear PCCARD interrupt Rising edge pending bit */ |
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578 __FMC_PCCARD_CLEAR_FLAG(hpccard->Instance, FMC_FLAG_RISING_EDGE); |
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579 } |
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580 |
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581 /* Check PCCARD interrupt Level flag */ |
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582 if(__FMC_PCCARD_GET_FLAG(hpccard->Instance, FMC_FLAG_LEVEL)) |
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583 { |
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584 /* PCCARD interrupt callback*/ |
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585 HAL_PCCARD_ITCallback(hpccard); |
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586 |
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587 /* Clear PCCARD interrupt Level pending bit */ |
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588 __FMC_PCCARD_CLEAR_FLAG(hpccard->Instance, FMC_FLAG_LEVEL); |
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589 } |
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590 |
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591 /* Check PCCARD interrupt Falling edge flag */ |
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592 if(__FMC_PCCARD_GET_FLAG(hpccard->Instance, FMC_FLAG_FALLING_EDGE)) |
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593 { |
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594 /* PCCARD interrupt callback*/ |
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595 HAL_PCCARD_ITCallback(hpccard); |
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596 |
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597 /* Clear PCCARD interrupt Falling edge pending bit */ |
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598 __FMC_PCCARD_CLEAR_FLAG(hpccard->Instance, FMC_FLAG_FALLING_EDGE); |
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599 } |
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600 |
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601 /* Check PCCARD interrupt FIFO empty flag */ |
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602 if(__FMC_PCCARD_GET_FLAG(hpccard->Instance, FMC_FLAG_FEMPT)) |
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603 { |
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604 /* PCCARD interrupt callback*/ |
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605 HAL_PCCARD_ITCallback(hpccard); |
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606 |
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607 /* Clear PCCARD interrupt FIFO empty pending bit */ |
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608 __FMC_PCCARD_CLEAR_FLAG(hpccard->Instance, FMC_FLAG_FEMPT); |
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609 } |
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610 } |
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611 |
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612 /** |
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613 * @brief PCCARD interrupt feature callback |
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614 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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615 * the configuration information for PCCARD module. |
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616 * @retval None |
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617 */ |
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618 __weak void HAL_PCCARD_ITCallback(PCCARD_HandleTypeDef *hpccard) |
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619 { |
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620 /* Prevent unused argument(s) compilation warning */ |
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621 UNUSED(hpccard); |
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622 /* NOTE : This function Should not be modified, when the callback is needed, |
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623 the HAL_PCCARD_ITCallback could be implemented in the user file |
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624 */ |
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625 } |
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626 |
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627 /** |
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628 * @} |
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629 */ |
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630 |
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631 /** @defgroup PCCARD_Exported_Functions_Group3 State functions |
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632 * @brief Peripheral State functions |
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633 * |
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634 @verbatim |
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635 ============================================================================== |
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636 ##### PCCARD State functions ##### |
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637 ============================================================================== |
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638 [..] |
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639 This subsection permits to get in run-time the status of the PCCARD controller |
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640 and the data flow. |
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641 |
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642 @endverbatim |
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643 * @{ |
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644 */ |
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645 |
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646 /** |
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647 * @brief return the PCCARD controller state |
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648 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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649 * the configuration information for PCCARD module. |
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650 * @retval HAL state |
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651 */ |
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652 HAL_PCCARD_StateTypeDef HAL_PCCARD_GetState(PCCARD_HandleTypeDef *hpccard) |
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653 { |
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654 return hpccard->State; |
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655 } |
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656 |
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657 /** |
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658 * @brief Get the compact flash memory status |
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659 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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660 * the configuration information for PCCARD module. |
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661 * @retval New status of the PCCARD operation. This parameter can be: |
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662 * - CompactFlash_TIMEOUT_ERROR: when the previous operation generate |
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663 * a Timeout error |
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664 * - CompactFlash_READY: when memory is ready for the next operation |
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665 */ |
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666 HAL_PCCARD_StatusTypeDef HAL_PCCARD_GetStatus(PCCARD_HandleTypeDef *hpccard) |
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667 { |
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668 uint32_t timeout = PCCARD_TIMEOUT_STATUS, status_pccard = 0U; |
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669 |
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670 /* Check the PCCARD controller state */ |
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671 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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672 { |
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673 return HAL_PCCARD_STATUS_ONGOING; |
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674 } |
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675 |
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676 status_pccard = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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677 |
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678 while((status_pccard == PCCARD_BUSY) && timeout) |
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679 { |
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680 status_pccard = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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681 timeout--; |
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682 } |
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683 |
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684 if(timeout == 0U) |
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685 { |
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686 status_pccard = PCCARD_TIMEOUT_ERROR; |
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687 } |
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688 |
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689 /* Return the operation status */ |
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690 return (HAL_PCCARD_StatusTypeDef) status_pccard; |
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691 } |
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692 |
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693 /** |
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694 * @brief Reads the Compact Flash memory status using the Read status command |
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695 * @param hpccard pointer to a PCCARD_HandleTypeDef structure that contains |
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696 * the configuration information for PCCARD module. |
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697 * @retval The status of the Compact Flash memory. This parameter can be: |
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698 * - CompactFlash_BUSY: when memory is busy |
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699 * - CompactFlash_READY: when memory is ready for the next operation |
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700 * - CompactFlash_ERROR: when the previous operation generates error |
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701 */ |
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702 HAL_PCCARD_StatusTypeDef HAL_PCCARD_ReadStatus(PCCARD_HandleTypeDef *hpccard) |
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703 { |
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704 uint8_t data = 0U, status_pccard = PCCARD_BUSY; |
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705 |
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706 /* Check the PCCARD controller state */ |
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707 if(hpccard->State == HAL_PCCARD_STATE_BUSY) |
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708 { |
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709 return HAL_PCCARD_STATUS_ONGOING; |
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710 } |
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711 |
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712 /* Read status operation */ |
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713 data = *(__IO uint8_t *)(PCCARD_IO_SPACE_PRIMARY_ADDR | ATA_STATUS_CMD_ALTERNATE); |
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714 |
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715 if((data & PCCARD_TIMEOUT_ERROR) == PCCARD_TIMEOUT_ERROR) |
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716 { |
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717 status_pccard = PCCARD_TIMEOUT_ERROR; |
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718 } |
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719 else if((data & PCCARD_READY) == PCCARD_READY) |
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720 { |
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721 status_pccard = PCCARD_READY; |
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722 } |
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723 |
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724 return (HAL_PCCARD_StatusTypeDef) status_pccard; |
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725 } |
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726 |
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727 /** |
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728 * @} |
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729 */ |
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730 |
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731 /** |
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732 * @} |
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733 */ |
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734 #endif /* STM32F405xx || STM32F415xx || STM32F407xx || STM32F417xx ||\ |
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735 STM32F427xx || STM32F437xx || STM32F429xx || STM32F439xx */ |
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736 #endif /* HAL_PCCARD_MODULE_ENABLED */ |
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737 |
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738 /** |
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739 * @} |
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740 */ |
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741 |
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742 /** |
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743 * @} |
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744 */ |
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745 |
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746 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |