annotate Small_CPU/Inc/tm_stm32f4_otp.h @ 578:beb4d47542f1

Rework pitch detection: To improve separation between pos and neg moves the history memory is now evaluated starting from the last detected start condition. This was needed because a small "overshoot" of the end position causes e.g. a pos event to be detected as negative event.
author Ideenmodellierer
date Sun, 29 Nov 2020 23:02:11 +0100
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38
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1 /**
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2 * @author Tilen Majerle
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3 * @email tilen@majerle.eu
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4 * @website http://stm32f4-discovery.com
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5 * @link http://stm32f4-discovery.com/2015/01/library-49-one-time-programmable-otp-bytes-on-stm32f4xx
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6 * @version v1.0
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7 * @ide Keil uVision
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8 * @license GNU GPL v3
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9 * @brief OTP (One-Time Programmable) flash section library for STM32F4xx
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10 *
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11 @verbatim
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12 ----------------------------------------------------------------------
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13 Copyright (C) Tilen Majerle, 2015
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14
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15 This program is free software: you can redistribute it and/or modify
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16 it under the terms of the GNU General Public License as published by
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17 the Free Software Foundation, either version 3 of the License, or
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18 any later version.
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19
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20 This program is distributed in the hope that it will be useful,
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21 but WITHOUT ANY WARRANTY; without even the implied warranty of
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22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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23 GNU General Public License for more details.
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24
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25 You should have received a copy of the GNU General Public License
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26 along with this program. If not, see <http://www.gnu.org/licenses/>.
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27 ----------------------------------------------------------------------
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28 @endverbatim
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29 */
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30 #ifndef TM_STM32F4_OPT_H
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31 #define TM_STM32F4_OPT_H
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32
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33 /* C++ detection */
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34 #ifdef __cplusplus
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35 extern "C" {
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36 #endif
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37 /**
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38 * @addtogroup TM_STM32F4xx_Libraries
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39 * @{
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40 */
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41
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42 /**
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43 * @defgroup TM_OTP
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44 * @brief OTP (One-Time Programmable) flash section library for STM32F4xx - http://stm32f4-discovery.com/2015/01/library-49-one-time-programmable-otp-bytes-on-stm32f4xx
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45 * @{
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46 *
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47 * \par Changelog
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48 *
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49 @verbatim
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50 Version 1.0
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51 - First release
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52 @endverbatim
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53 *
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54 * \par Dependencies
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55 *
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56 @verbatim
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57 - STM32F4xx
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58 - STM32F4xx RCC
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59 - STM32F4xx FLASH
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60 - defines.h
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61 @endverbatim
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62 */
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63 //#include "stm32f4xx.h"
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64 //#include "stm32f4xx_rcc.h"
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65 //#include "stm32f4xx_flash.h"
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66 //#include "defines.h"
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67 #include "stm32f4xx_hal.h"
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68
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69 /**
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70 * @defgroup TM_OTP_Macros
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71 * @brief Library defines
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72 * @{
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73 */
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74
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75 /**
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76 * @brief OTP memory start address
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77 */
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78 #define OTP_START_ADDR (0x1FFF7800)
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79
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80 /**
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81 * @brief OTP memory lock address
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82 */
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83 #define OTP_LOCK_ADDR (0x1FFF7A00)
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84
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85 /**
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86 * @brief Number of OTP blocks
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87 */
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88 #define OTP_BLOCKS 16
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89
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90 /**
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91 * @brief Number of bytes in one block
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92 */
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93 #define OTP_BYTES_IN_BLOCK 32
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94
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95 /**
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96 * @brief Number of all OTP bytes
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97 */
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98 #define OTP_SIZE (OTP_BLOCKS * OTP_BYTES_IN_BLOCK)
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99
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100 /**
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101 * @}
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102 */
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103
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104
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105 /**
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106 * @defgroup TM_OTP_Functions
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107 * @brief Library Functions
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108 * @{
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109 */
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110
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111 /**
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112 * @brief Writes one-time data to specific block and specific byte in this block
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113 * @note You can only ONCE write data at desired byte in specific block, if you will try to do it more times, you can have broken data at this location.
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114 * @param block: OTP block number, 0 to 15 is allowed
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115 * @param byte: OTP byte inside one block, 0 to 31 is allowed
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116 * @param data: Data to be written to OTP memory
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117 * @retval Member of @ref TM_OTP_Result_t enumeration
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118 */
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119 HAL_StatusTypeDef TM_OTP_Write(uint8_t block, uint8_t byte, uint8_t data);
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120
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121 /**
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122 * @brief Reads data from specific block and specific byte in this block
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123 * @note You can read data unlimited times from locations
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124 * @param block: OTP block number, 0 to 15 is allowed
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125 * @param byte: OTP byte inside one block, 0 to 31 is allowed
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126 * @retval Value at specific block and byte location, or 0 if location is invalid
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127 */
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128 uint8_t TM_OTP_Read(uint8_t block, uint8_t byte);
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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 */
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134
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135 /**
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136 * @}
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137 */
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138
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139 /**
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140 * @}
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141 */
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142
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143 /* C++ detection */
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144 #ifdef __cplusplus
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145 }
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146 #endif
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147
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148 #endif // TM_STM32F4_OPT_H