annotate Small_CPU/Src/spi.c @ 161:b70fae5023b4 linux-build

Add missing file for self build pack tools The added header was missing causing self building to fail. Simply added the missing file. Signed-off-by: Jan Mulder <jlmulder@xs4all.nl>
author Jan Mulder <jlmulder@xs4all.nl>
date Thu, 21 Feb 2019 10:01:36 +0100
parents cd298de33783
children a6f0881074a4
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1 /**
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2 ******************************************************************************
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3 * @file spi.c
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4 * @author heinrichs weikamp gmbh
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5 * @version V0.0.1
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6 * @date 16-Sept-2014
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7 * @brief Source code for spi control
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8 *
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9 @verbatim
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10 ==============================================================================
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11 ##### How to use #####
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12 ==============================================================================
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13 @endverbatim
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14 ******************************************************************************
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15 * @attention
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16 *
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17 * <h2><center>&copy; COPYRIGHT(c) 2014 heinrichs weikamp</center></h2>
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18 *
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19 ******************************************************************************
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20 */
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21
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22 /* Includes ------------------------------------------------------------------*/
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23 #include "spi.h"
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24 //#include "gpio.h"
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25
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26 /* USER CODE BEGIN 0 */
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27 #include "scheduler.h"
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28
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29 extern void GPIO_new_DEBUG_LOW(void);
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30 extern void GPIO_new_DEBUG_HIGH(void);
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31
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32
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33 uint8_t data_error = 0;
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34 uint32_t data_error_time = 0;
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35
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36 static void SPI_Error_Handler(void);
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37
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38 /* USER CODE END 0 */
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39
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40 static uint8_t SPI_check_header_and_footer_ok(void);
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41
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42 SPI_HandleTypeDef hspi1;
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43 SPI_HandleTypeDef hspi3;
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44
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45 DMA_HandleTypeDef hdma_tx;
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46 DMA_HandleTypeDef hdma_rx;
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47
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48 // SPI3 init function
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49 void MX_SPI3_Init(void)
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50 {
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51 hspi3.Instance = SPI3;
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52 hspi3.Init.Mode = SPI_MODE_MASTER;
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53 hspi3.Init.Direction = SPI_DIRECTION_2LINES;
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54 hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
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55 hspi3.Init.CLKPolarity = SPI_POLARITY_HIGH;
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56 hspi3.Init.CLKPhase = SPI_PHASE_1EDGE;
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57 hspi3.Init.NSS = SPI_NSS_SOFT;
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58 hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_256;
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59 hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
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60 hspi3.Init.TIMode = SPI_TIMODE_DISABLED;
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61 hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;
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62 hspi3.Init.CRCPolynomial = 7;
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63 HAL_SPI_Init(&hspi3);
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64 }
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65
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66 void MX_SPI3_DeInit(void)
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67 {
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68 HAL_SPI_DeInit(&hspi3);
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69 }
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70
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71 uint8_t SPI3_ButtonAdjust(uint8_t *arrayInput, uint8_t *arrayOutput)
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72 {
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73 HAL_StatusTypeDef status;
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74 uint8_t answer[10];
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75 uint8_t rework[10];
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76
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77 rework[0] = 0xFF;
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78 for(int i = 0; i < 3; i++)
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79 {
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80 // limiter
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81 if(arrayInput[i] == 0xFF)
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82 arrayInput[i] = 0xFE;
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83 if(arrayInput[i] >= 15)
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84 {
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85 // copy - auslöse-schwelle
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86 rework[i+1] = arrayInput[i];
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87 // wieder-scharf-schalte-schwelle
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88 rework[i+3+1] = arrayInput[i] - 10;
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89 }
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90 else
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91 if(arrayInput[i] >= 10)
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92 {
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93 // copy - auslöse-schwelle
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94 rework[i+1] = arrayInput[i];
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95 // wieder-scharf-schalte-schwelle
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96 rework[i+3+1] = arrayInput[i] - 5;
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97 }
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98 else
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99 {
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100 // copy - auslöse-schwelle
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101 rework[i+1] = 7;
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102 // wieder-scharf-schalte-schwelle
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103 rework[i+3+1] = 6;
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104 }
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105 }
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106
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107 status = HAL_OK; /* = 0 */
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108 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_SET);
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109 for(int i=0;i<7;i++)
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110 {
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111 HAL_Delay(10);
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112 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_RESET);
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113 HAL_Delay(10);
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114 status += HAL_SPI_TransmitReceive(&hspi3, &rework[i], &answer[i], 1,20);
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115 HAL_Delay(10);
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116 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_SET);
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117 }
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118
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119 if(status == HAL_OK)
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120 {
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121 for(int i = 0; i < 3; i++)
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122 {
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123 arrayOutput[i] = answer[i+2]; // first not, return of 0xFF not
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124 }
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125 return 1;
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126 }
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127 else
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128
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129 return 0;
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130 }
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131
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132
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133 // SPI5 init function
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134 void MX_SPI1_Init(void)
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135 {
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136 hspi1.Instance = SPI1;
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137 hspi1.Init.Mode = SPI_MODE_SLAVE;
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138 hspi1.Init.Direction = SPI_DIRECTION_2LINES;
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139 hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
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140 hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
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141 hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
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142 hspi1.Init.NSS = SPI_NSS_HARD_INPUT;//SPI_NSS_SOFT;
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143 hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_128;
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144 hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
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145 hspi1.Init.TIMode = SPI_TIMODE_DISABLED;
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146 hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLED;//_DISABLED; _ENABLED;
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147 hspi1.Init.CRCPolynomial = 7;
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148 HAL_SPI_Init(&hspi1);
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149 }
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150
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151 void MX_SPI_DeInit(void)
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152 {
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153 HAL_SPI_DeInit(&hspi1);
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154 }
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155
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156
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157 void HAL_SPI_MspInit(SPI_HandleTypeDef* hspi)
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158 {
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159
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160 GPIO_InitTypeDef GPIO_InitStruct;
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161
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162 if(hspi->Instance==SPI1)
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163 {
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164 // Peripheral clock enable
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165 __SPI1_CLK_ENABLE();
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166 __GPIOA_CLK_ENABLE();
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167 //SPI1 GPIO Configuration
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168 //PA4 ------> SPI1_CS
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169 //PA5 ------> SPI1_SCK
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170 //PA6 ------> SPI1_MISO
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171 //PA7 ------> SPI1_MOSI
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172
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173 GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
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174 // GPIO_InitStruct.Pin = GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7;
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175 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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176 GPIO_InitStruct.Pull = GPIO_PULLUP;
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177 GPIO_InitStruct.Speed = GPIO_SPEED_MEDIUM;
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178 GPIO_InitStruct.Alternate = GPIO_AF5_SPI1;
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179 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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180
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181 //##-3- Configure the DMA streams ##########################################
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182 // Configure the DMA handler for Transmission process
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183 hdma_tx.Instance = DMA2_Stream3;
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184 hdma_tx.Init.Channel = DMA_CHANNEL_3;
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185 hdma_tx.Init.Direction = DMA_MEMORY_TO_PERIPH;
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186 hdma_tx.Init.PeriphInc = DMA_PINC_DISABLE;
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187 hdma_tx.Init.MemInc = DMA_MINC_ENABLE;
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188 hdma_tx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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189 hdma_tx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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190 hdma_tx.Init.Mode = DMA_NORMAL;
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191 hdma_tx.Init.Priority = DMA_PRIORITY_LOW;
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192 hdma_tx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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193 hdma_tx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
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194 hdma_tx.Init.MemBurst = DMA_MBURST_INC4;
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195 hdma_tx.Init.PeriphBurst = DMA_PBURST_INC4;
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196
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197 HAL_DMA_Init(&hdma_tx);
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198
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199 // Associate the initialized DMA handle to the the SPI handle
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200 __HAL_LINKDMA(hspi, hdmatx, hdma_tx);
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201
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202 // Configure the DMA handler for Transmission process
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203 hdma_rx.Instance = DMA2_Stream0;
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204 hdma_rx.Init.Channel = DMA_CHANNEL_3;
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205 hdma_rx.Init.Direction = DMA_PERIPH_TO_MEMORY;
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206 hdma_rx.Init.PeriphInc = DMA_PINC_DISABLE;
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207 hdma_rx.Init.MemInc = DMA_MINC_ENABLE;
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208 hdma_rx.Init.PeriphDataAlignment = DMA_PDATAALIGN_BYTE;
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209 hdma_rx.Init.MemDataAlignment = DMA_MDATAALIGN_BYTE;
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210 hdma_rx.Init.Mode = DMA_NORMAL;
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211 hdma_rx.Init.Priority = DMA_PRIORITY_HIGH;
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212 hdma_rx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
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213 hdma_rx.Init.FIFOThreshold = DMA_FIFO_THRESHOLD_FULL;
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214 hdma_rx.Init.MemBurst = DMA_MBURST_INC4;
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215 hdma_rx.Init.PeriphBurst = DMA_PBURST_INC4;
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216
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217 HAL_DMA_Init(&hdma_rx);
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218
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219 // Associate the initialized DMA handle to the the SPI handle
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220 __HAL_LINKDMA(hspi, hdmarx, hdma_rx);
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221
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222 //##-4- Configure the NVIC for DMA #########################################
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223 //NVIC configuration for DMA transfer complete interrupt (SPI3_RX)
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224 HAL_NVIC_SetPriority(DMA2_Stream0_IRQn, 1, 0);
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225 HAL_NVIC_EnableIRQ(DMA2_Stream0_IRQn);
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226
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227 // NVIC configuration for DMA transfer complete interrupt (SPI1_TX)
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228 HAL_NVIC_SetPriority(DMA2_Stream3_IRQn, 1, 1);
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229 HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn);
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230 }
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231 else
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232 if(hspi->Instance==SPI3)
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233 {
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234 __GPIOC_CLK_ENABLE();
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235 __SPI3_CLK_ENABLE();
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236
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237 //SPI1 GPIO Configuration
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238 //PC10 ------> SPI3_SCK
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239 //PC11 ------> SPI3_MISO
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240 //PC12 ------> SPI3_MOSI
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241 //PA15 ------> SPI3_NSS (official)
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242 //PC9 ------> SPI3_NSS (hw)
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243
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244 GPIO_InitStruct.Pin = GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12;
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245 GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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246 GPIO_InitStruct.Pull = GPIO_PULLUP;
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247 GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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248 GPIO_InitStruct.Alternate = GPIO_AF6_SPI3;
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249 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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250
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251 GPIO_InitStruct.Pin = GPIO_PIN_9;
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252 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
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253 GPIO_InitStruct.Pull = GPIO_PULLUP;
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254 GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
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255 HAL_GPIO_Init(GPIOC, &GPIO_InitStruct);
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256
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257 HAL_GPIO_WritePin(GPIOC, GPIO_PIN_9,GPIO_PIN_SET);
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258 }
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259 }
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260
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261 void HAL_SPI_MspDeInit(SPI_HandleTypeDef* hspi){
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262 if(hspi->Instance==SPI1)
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263 {
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264 __SPI1_FORCE_RESET();
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265 __SPI1_RELEASE_RESET();
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266
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267 //SPI1 GPIO Configuration
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268 //PA5 ------> SPI1_SCK
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269 //PA6 ------> SPI1_MISO
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270 //PA7 ------> SPI1_MOSI
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271
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272 HAL_GPIO_DeInit(GPIOA, GPIO_PIN_5|GPIO_PIN_6|GPIO_PIN_7);
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273
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274 HAL_DMA_DeInit(&hdma_tx);
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275 HAL_DMA_DeInit(&hdma_rx);
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276
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277 HAL_NVIC_DisableIRQ(DMA2_Stream3_IRQn);
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278 HAL_NVIC_DisableIRQ(DMA2_Stream0_IRQn);
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279 }
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280 else
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281 if(hspi->Instance==SPI3)
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282 {
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283 __SPI3_FORCE_RESET();
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284 __SPI3_RELEASE_RESET();
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285
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286 //SPI1 GPIO Configuration
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287 //PC10 ------> SPI3_SCK
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288 //PC11 ------> SPI3_MISO
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289 //PC12 ------> SPI3_MOSI
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290 //PA15 ------> SPI3_NSS (official)
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291 //PC9 ------> SPI3_NSS (hw)
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292 HAL_GPIO_DeInit(GPIOC, GPIO_PIN_10|GPIO_PIN_11|GPIO_PIN_12);
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293 }
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294 }
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295
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296 void SPI_synchronize_with_Master(void)
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297 {
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298 GPIO_InitTypeDef GPIO_InitStruct;
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299
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300 __GPIOA_CLK_ENABLE();
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301 /**SPI1 GPIO Configuration
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302 PA5 ------> SPI1_SCK
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303 */
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304 GPIO_InitStruct.Pin = GPIO_PIN_4|GPIO_PIN_5;
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305 GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
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306 GPIO_InitStruct.Pull = GPIO_PULLUP;
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307 GPIO_InitStruct.Speed = GPIO_SPEED_LOW;
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308 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);
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309
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310 HAL_Delay(10);
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311 while(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_4) == 0);
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312 HAL_Delay(10);
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313 while(HAL_GPIO_ReadPin(GPIOA, GPIO_PIN_5) == 1);
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314 HAL_Delay(50);
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315 }
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316
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317
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318 void SPI_Start_single_TxRx_with_Master(void)
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319 {
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320 uint8_t * pOutput;
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321
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322 if(global.dataSendToSlave.getDeviceDataNow)
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323 {
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324 global.dataSendToSlave.getDeviceDataNow = 0;
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325 pOutput = (uint8_t*)&(global.deviceDataSendToMaster);
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326 }
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327 else
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328 {
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329 pOutput = (uint8_t*)&(global.dataSendToMaster);
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330 }
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331
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332 if(HAL_SPI_TransmitReceive_DMA(&hspi1,pOutput, (uint8_t*)&(global.dataSendToSlave), EXCHANGE_BUFFERSIZE+1) != HAL_OK)
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333 {
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334 // Transfer error in transmission process
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335 SPI_Error_Handler();
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336 }
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337 }
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338
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339
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340 void HAL_SPI_TxRxCpltCallback(SPI_HandleTypeDef *hspi)
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341 {
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342 global.check_sync_not_running = 0;
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343 /* stop data exchange? */
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344 if(global.mode == MODE_SHUTDOWN)
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345 {
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346 global.mode = MODE_SLEEP;
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347 global.dataSendToSlavePending = 0;
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348 global.dataSendToSlaveIsValid = 1;
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349 global.dataSendToSlaveIsNotValidCount = 0;
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350 return;
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351 }
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352
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353 /* data consistent? */
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354 if(SPI_check_header_and_footer_ok())
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355 {
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356 GPIO_new_DEBUG_HIGH();
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357 global.dataSendToSlaveIsValid = 1;
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358 global.dataSendToSlaveIsNotValidCount = 0;
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359 }
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360 else
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361 {
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362 GPIO_new_DEBUG_LOW();
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363 global.dataSendToSlaveIsValid = 0;
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364 global.dataSendToSlaveIsNotValidCount++;
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365 }
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366 global.dataSendToMaster.power_on_reset = 0;
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367 global.deviceDataSendToMaster.power_on_reset = 0;
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368 /* no i2c or other time critical threads? */
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369 if(global.dataSendToSlaveIsValid)
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370 {
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371 if(!global.dataSendToSlaveStopEval)
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372 {
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373 scheduleSpecial_Evaluate_DataSendToSlave();
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374 }
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375 else
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376 {
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377 global.dataSendToSlavePending = 1;
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378 }
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379 }
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380 else
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381 {
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382 global.dataSendToSlavePending = 0;
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383 }
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384
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385 /* restart SPI */
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386 if(hspi == &hspi1)
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387 {
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388 if(global.dataSendToSlaveIsValid)
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389 SPI_Start_single_TxRx_with_Master();
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390 }
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391 }
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392
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393
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394 static uint8_t SPI_check_header_and_footer_ok(void)
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395 {
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396 if(global.dataSendToSlave.header.checkCode[0] != 0xBB)
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397 return 0;
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398 if(global.dataSendToSlave.header.checkCode[1] != 0x01)
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399 return 0;
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400 if(global.dataSendToSlave.header.checkCode[2] != 0x01)
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401 return 0;
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402 if(global.dataSendToSlave.header.checkCode[3] != 0xBB)
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403 return 0;
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404 if(global.dataSendToSlave.footer.checkCode[0] != 0xF4)
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405 return 0;
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406 if(global.dataSendToSlave.footer.checkCode[1] != 0xF3)
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407 return 0;
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408 if(global.dataSendToSlave.footer.checkCode[2] != 0xF2)
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409 return 0;
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410 if(global.dataSendToSlave.footer.checkCode[3] != 0xF1)
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411 return 0;
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412
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413 return 1;
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414 }
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415
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416 static void SPI_Error_Handler(void)
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417 {
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418 while(1)
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419 {
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420 }
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421 }
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422
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423 /**
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424 * @}
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425 */
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426
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427 /**
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428 * @}
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429 */
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430
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431 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/