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| Rev | Author | Line No. | Line |
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| 2 | mjames | 1 | /* USER CODE BEGIN Header */ |
| 2 | /** |
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| 3 | ****************************************************************************** |
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| 4 | * @file : main.c |
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| 5 | * @brief : Main program body |
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| 6 | ****************************************************************************** |
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| 7 | * @attention |
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| 8 | * |
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| 9 | * Copyright (c) 2023 STMicroelectronics. |
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| 10 | * All rights reserved. |
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| 11 | * |
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| 12 | * This software is licensed under terms that can be found in the LICENSE file |
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| 13 | * in the root directory of this software component. |
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| 14 | * If no LICENSE file comes with this software, it is provided AS-IS. |
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| 15 | * |
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| 16 | ****************************************************************************** |
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| 17 | */ |
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| 18 | /* USER CODE END Header */ |
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| 19 | /* Includes ------------------------------------------------------------------*/ |
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| 20 | #include "main.h" |
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| 21 | |||
| 22 | /* Private includes ----------------------------------------------------------*/ |
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| 23 | /* USER CODE BEGIN Includes */ |
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| 24 | #include "libSerial/serial.h" |
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| 25 | #include "libPLX/commsLib.h" |
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| 26 | #include "libTinyWB/tinyWB.h" |
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| 27 | /* USER CODE END Includes */ |
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| 28 | |||
| 29 | /* Private typedef -----------------------------------------------------------*/ |
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| 30 | /* USER CODE BEGIN PTD */ |
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| 31 | |||
| 32 | /* USER CODE END PTD */ |
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| 33 | |||
| 34 | /* Private define ------------------------------------------------------------*/ |
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| 35 | /* USER CODE BEGIN PD */ |
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| 36 | |||
| 37 | /* USER CODE END PD */ |
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| 38 | |||
| 39 | /* Private macro -------------------------------------------------------------*/ |
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| 40 | /* USER CODE BEGIN PM */ |
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| 41 | |||
| 42 | /* USER CODE END PM */ |
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| 43 | |||
| 44 | /* Private variables ---------------------------------------------------------*/ |
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| 45 | CAN_HandleTypeDef hcan; |
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| 46 | |||
| 47 | SPI_HandleTypeDef hspi1; |
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| 48 | |||
| 49 | UART_HandleTypeDef huart1; |
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| 50 | UART_HandleTypeDef huart2; |
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| 51 | |||
| 52 | /* USER CODE BEGIN PV */ |
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| 53 | #define MIN_RPM_FOR_HEAT 400 |
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| 54 | /// 20 seconds to warm up before enabling the heater |
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| 55 | #define MIN_RPM_TIME_ACTIVE 20000 |
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| 56 | |||
| 57 | uint8_t volatile tx1Buffer[TX_USART_BUFF_SIZ]; |
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| 58 | uint8_t volatile tx2Buffer[TX_USART_BUFF_SIZ]; |
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| 59 | uint8_t volatile rx1Buffer[RX_USART_BUFF_SIZ]; |
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| 60 | uint8_t volatile rx2Buffer[RX_USART_BUFF_SIZ]; |
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| 61 | |||
| 62 | float AFRValue = 14.7; |
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| 63 | float temperature = 0; |
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| 64 | |||
| 65 | uint32_t timeValue = 0; |
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| 66 | |||
| 67 | uint8_t heaterEnable = 0; |
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| 68 | |||
| 69 | /* USER CODE END PV */ |
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| 70 | |||
| 71 | /* Private function prototypes -----------------------------------------------*/ |
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| 72 | void SystemClock_Config(void); |
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| 73 | static void MX_GPIO_Init(void); |
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| 74 | static void MX_CAN_Init(void); |
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| 75 | static void MX_SPI1_Init(void); |
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| 76 | static void MX_USART1_UART_Init(void); |
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| 77 | static void MX_USART2_UART_Init(void); |
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| 78 | /* USER CODE BEGIN PFP */ |
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| 79 | |||
| 80 | // user provided callback symbol |
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| 81 | void libPLXcallbackSendUserData() |
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| 82 | { |
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| 83 | |||
| 84 | if (heaterEnable) |
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| 85 | HAL_GPIO_TogglePin(LED_GPIO_Port, LED_Pin); |
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| 86 | else |
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| 87 | HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin,GPIO_PIN_RESET); |
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| 88 | // send AFR |
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| 89 | |||
| 90 | PLX_SensorInfo info; |
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| 91 | ConvToPLXInstance(libPLXgetNextInstance(PLX_AFR), &info); |
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| 92 | ConvToPLXAddr(PLX_AFR, &info); |
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| 93 | ConvToPLXReading(ConveriMFDData2Raw(PLX_AFR, AFR_Gasoline, AFRValue), &info); |
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| 94 | sendInfo(&uc2, &info); |
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| 95 | } |
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| 96 | |||
| 97 | // this setup actually turns the heater on if the RPM is not reported at all |
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| 98 | // after timeout, or once the RPM is reported, it delays timeout after RPM exceeds the lower limit |
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| 99 | |||
| 100 | // User provided callback symbol on receipt of data |
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| 101 | void libPLXcallbackRecievedData(PLX_SensorInfo *info) |
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| 102 | { |
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| 103 | uint16_t addr = ConvPLXAddr(info); |
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| 104 | if (addr == PLX_RPM) |
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| 105 | { |
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| 106 | uint16_t rpm = ConveriMFDRaw2Data(PLX_RPM, 0, ConvPLXReading(info)); |
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| 107 | // reset time value if the engine isnt running at correct RPM |
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| 108 | if (rpm < MIN_RPM_FOR_HEAT) |
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| 109 | timeValue = HAL_GetTick(); |
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| 110 | } |
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| 111 | } |
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| 112 | |||
| 113 | void checkHeaterEnable(void) |
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| 114 | { |
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| 115 | |||
| 116 | heaterEnable = (HAL_GetTick() - timeValue) > MIN_RPM_TIME_ACTIVE; |
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| 117 | // Active low pin to enable AFR if RPM has exceeded minimum for at least the active time |
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| 118 | HAL_GPIO_WritePin(enableAFRN_GPIO_Port, enableAFRN_Pin, heaterEnable ? GPIO_PIN_RESET : GPIO_PIN_SET); |
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| 119 | } |
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| 120 | |||
| 121 | /* USER CODE END PFP */ |
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| 122 | |||
| 123 | /* Private user code ---------------------------------------------------------*/ |
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| 124 | /* USER CODE BEGIN 0 */ |
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| 125 | |||
| 126 | /* USER CODE END 0 */ |
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| 127 | |||
| 128 | /** |
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| 129 | * @brief The application entry point. |
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| 130 | * @retval int |
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| 131 | */ |
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| 132 | int main(void) |
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| 133 | { |
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| 134 | /* USER CODE BEGIN 1 */ |
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| 135 | |||
| 136 | /* USER CODE END 1 */ |
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| 137 | |||
| 138 | /* MCU Configuration--------------------------------------------------------*/ |
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| 139 | |||
| 140 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ |
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| 141 | HAL_Init(); |
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| 142 | |||
| 143 | /* USER CODE BEGIN Init */ |
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| 144 | |||
| 145 | /* USER CODE END Init */ |
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| 146 | |||
| 147 | /* Configure the system clock */ |
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| 148 | SystemClock_Config(); |
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| 149 | |||
| 150 | /* USER CODE BEGIN SysInit */ |
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| 151 | |||
| 152 | /* USER CODE END SysInit */ |
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| 153 | |||
| 154 | /* Initialize all configured peripherals */ |
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| 155 | MX_GPIO_Init(); |
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| 156 | MX_CAN_Init(); |
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| 157 | MX_SPI1_Init(); |
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| 158 | MX_USART1_UART_Init(); |
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| 159 | MX_USART2_UART_Init(); |
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| 160 | /* USER CODE BEGIN 2 */ |
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| 161 | init_usart_ctl(&uc1, &huart1, tx1Buffer, rx1Buffer, TX_USART_BUFF_SIZ, RX_USART_BUFF_SIZ); |
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| 162 | init_usart_ctl(&uc2, &huart2, tx2Buffer, rx2Buffer, TX_USART_BUFF_SIZ, RX_USART_BUFF_SIZ); |
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| 163 | |||
| 164 | ResetRxBuffer(&uc1); |
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| 165 | ResetRxBuffer(&uc2); |
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| 166 | |||
| 167 | resetPLX(); |
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| 168 | |||
| 169 | /* USER CODE END 2 */ |
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| 170 | |||
| 171 | /* Infinite loop */ |
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| 172 | /* USER CODE BEGIN WHILE */ |
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| 173 | while (1) |
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| 174 | { |
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| 175 | |||
| 176 | pollTinyWB(&uc1, &AFRValue, &temperature); |
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| 177 | // Handle PLX |
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| 178 | libPLXpollData(&uc2); |
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| 179 | |||
| 180 | checkHeaterEnable(); |
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| 181 | /* USER CODE END WHILE */ |
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| 182 | |||
| 183 | /* USER CODE BEGIN 3 */ |
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| 184 | } |
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| 185 | /* USER CODE END 3 */ |
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| 186 | } |
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| 187 | |||
| 188 | /** |
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| 189 | * @brief System Clock Configuration |
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| 190 | * @retval None |
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| 191 | */ |
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| 192 | void SystemClock_Config(void) |
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| 193 | { |
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| 194 | RCC_OscInitTypeDef RCC_OscInitStruct = {0}; |
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| 195 | RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; |
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| 196 | |||
| 197 | /** Initializes the RCC Oscillators according to the specified parameters |
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| 198 | * in the RCC_OscInitTypeDef structure. |
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| 199 | */ |
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| 200 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE; |
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| 201 | RCC_OscInitStruct.HSEState = RCC_HSE_ON; |
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| 202 | RCC_OscInitStruct.HSEPredivValue = RCC_HSE_PREDIV_DIV1; |
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| 203 | RCC_OscInitStruct.HSIState = RCC_HSI_ON; |
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| 204 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
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| 205 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE; |
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| 206 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL8; |
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| 207 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) |
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| 208 | { |
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| 209 | Error_Handler(); |
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| 210 | } |
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| 211 | |||
| 212 | /** Initializes the CPU, AHB and APB buses clocks |
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| 213 | */ |
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| 214 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2; |
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| 215 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
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| 216 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
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| 217 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2; |
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| 218 | RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2; |
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| 219 | |||
| 220 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_2) != HAL_OK) |
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| 221 | { |
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| 222 | Error_Handler(); |
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| 223 | } |
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| 224 | } |
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| 225 | |||
| 226 | /** |
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| 227 | * @brief CAN Initialization Function |
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| 228 | * @param None |
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| 229 | * @retval None |
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| 230 | */ |
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| 231 | static void MX_CAN_Init(void) |
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| 232 | { |
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| 233 | |||
| 234 | /* USER CODE BEGIN CAN_Init 0 */ |
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| 235 | |||
| 236 | /* USER CODE END CAN_Init 0 */ |
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| 237 | |||
| 238 | /* USER CODE BEGIN CAN_Init 1 */ |
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| 239 | |||
| 240 | /* USER CODE END CAN_Init 1 */ |
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| 241 | hcan.Instance = CAN1; |
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| 242 | hcan.Init.Prescaler = 16; |
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| 243 | hcan.Init.Mode = CAN_MODE_NORMAL; |
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| 244 | hcan.Init.SyncJumpWidth = CAN_SJW_1TQ; |
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| 245 | hcan.Init.TimeSeg1 = CAN_BS1_2TQ; |
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| 246 | hcan.Init.TimeSeg2 = CAN_BS2_1TQ; |
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| 247 | hcan.Init.TimeTriggeredMode = DISABLE; |
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| 248 | hcan.Init.AutoBusOff = DISABLE; |
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| 249 | hcan.Init.AutoWakeUp = DISABLE; |
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| 250 | hcan.Init.AutoRetransmission = DISABLE; |
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| 251 | hcan.Init.ReceiveFifoLocked = DISABLE; |
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| 252 | hcan.Init.TransmitFifoPriority = DISABLE; |
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| 253 | if (HAL_CAN_Init(&hcan) != HAL_OK) |
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| 254 | { |
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| 255 | Error_Handler(); |
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| 256 | } |
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| 257 | /* USER CODE BEGIN CAN_Init 2 */ |
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| 258 | |||
| 259 | /* USER CODE END CAN_Init 2 */ |
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| 260 | } |
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| 261 | |||
| 262 | /** |
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| 263 | * @brief SPI1 Initialization Function |
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| 264 | * @param None |
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| 265 | * @retval None |
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| 266 | */ |
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| 267 | static void MX_SPI1_Init(void) |
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| 268 | { |
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| 269 | |||
| 270 | /* USER CODE BEGIN SPI1_Init 0 */ |
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| 271 | |||
| 272 | /* USER CODE END SPI1_Init 0 */ |
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| 273 | |||
| 274 | /* USER CODE BEGIN SPI1_Init 1 */ |
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| 275 | |||
| 276 | /* USER CODE END SPI1_Init 1 */ |
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| 277 | /* SPI1 parameter configuration*/ |
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| 278 | hspi1.Instance = SPI1; |
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| 279 | hspi1.Init.Mode = SPI_MODE_MASTER; |
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| 280 | hspi1.Init.Direction = SPI_DIRECTION_2LINES; |
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| 281 | hspi1.Init.DataSize = SPI_DATASIZE_8BIT; |
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| 282 | hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; |
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| 283 | hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; |
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| 284 | hspi1.Init.NSS = SPI_NSS_SOFT; |
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| 285 | hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; |
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| 286 | hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; |
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| 287 | hspi1.Init.TIMode = SPI_TIMODE_DISABLE; |
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| 288 | hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
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| 289 | hspi1.Init.CRCPolynomial = 10; |
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| 290 | if (HAL_SPI_Init(&hspi1) != HAL_OK) |
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| 291 | { |
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| 292 | Error_Handler(); |
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| 293 | } |
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| 294 | /* USER CODE BEGIN SPI1_Init 2 */ |
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| 295 | |||
| 296 | /* USER CODE END SPI1_Init 2 */ |
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| 297 | } |
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| 298 | |||
| 299 | /** |
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| 300 | * @brief USART1 Initialization Function |
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| 301 | * @param None |
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| 302 | * @retval None |
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| 303 | */ |
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| 304 | static void MX_USART1_UART_Init(void) |
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| 305 | { |
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| 306 | |||
| 307 | /* USER CODE BEGIN USART1_Init 0 */ |
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| 308 | |||
| 309 | /* USER CODE END USART1_Init 0 */ |
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| 310 | |||
| 311 | /* USER CODE BEGIN USART1_Init 1 */ |
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| 312 | |||
| 313 | /* USER CODE END USART1_Init 1 */ |
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| 314 | huart1.Instance = USART1; |
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| 315 | huart1.Init.BaudRate = 115200; |
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| 316 | huart1.Init.WordLength = UART_WORDLENGTH_8B; |
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| 317 | huart1.Init.StopBits = UART_STOPBITS_1; |
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| 318 | huart1.Init.Parity = UART_PARITY_NONE; |
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| 319 | huart1.Init.Mode = UART_MODE_TX_RX; |
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| 320 | huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
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| 321 | huart1.Init.OverSampling = UART_OVERSAMPLING_16; |
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| 322 | if (HAL_UART_Init(&huart1) != HAL_OK) |
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| 323 | { |
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| 324 | Error_Handler(); |
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| 325 | } |
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| 326 | /* USER CODE BEGIN USART1_Init 2 */ |
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| 327 | |||
| 328 | /* USER CODE END USART1_Init 2 */ |
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| 329 | } |
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| 330 | |||
| 331 | /** |
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| 332 | * @brief USART2 Initialization Function |
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| 333 | * @param None |
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| 334 | * @retval None |
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| 335 | */ |
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| 336 | static void MX_USART2_UART_Init(void) |
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| 337 | { |
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| 338 | |||
| 339 | /* USER CODE BEGIN USART2_Init 0 */ |
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| 340 | |||
| 341 | /* USER CODE END USART2_Init 0 */ |
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| 342 | |||
| 343 | /* USER CODE BEGIN USART2_Init 1 */ |
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| 344 | |||
| 345 | /* USER CODE END USART2_Init 1 */ |
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| 346 | huart2.Instance = USART2; |
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| 347 | huart2.Init.BaudRate = 19200; |
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| 348 | huart2.Init.WordLength = UART_WORDLENGTH_8B; |
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| 349 | huart2.Init.StopBits = UART_STOPBITS_1; |
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| 350 | huart2.Init.Parity = UART_PARITY_NONE; |
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| 351 | huart2.Init.Mode = UART_MODE_TX_RX; |
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| 352 | huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
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| 353 | huart2.Init.OverSampling = UART_OVERSAMPLING_16; |
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| 354 | if (HAL_UART_Init(&huart2) != HAL_OK) |
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| 355 | { |
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| 356 | Error_Handler(); |
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| 357 | } |
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| 358 | /* USER CODE BEGIN USART2_Init 2 */ |
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| 359 | |||
| 360 | /* USER CODE END USART2_Init 2 */ |
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| 361 | } |
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| 362 | |||
| 363 | /** |
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| 364 | * @brief GPIO Initialization Function |
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| 365 | * @param None |
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| 366 | * @retval None |
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| 367 | */ |
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| 368 | static void MX_GPIO_Init(void) |
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| 369 | { |
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| 370 | GPIO_InitTypeDef GPIO_InitStruct = {0}; |
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| 371 | /* USER CODE BEGIN MX_GPIO_Init_1 */ |
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| 372 | /* USER CODE END MX_GPIO_Init_1 */ |
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| 373 | |||
| 374 | /* GPIO Ports Clock Enable */ |
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| 375 | __HAL_RCC_GPIOC_CLK_ENABLE(); |
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| 376 | __HAL_RCC_GPIOD_CLK_ENABLE(); |
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| 377 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
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| 378 | __HAL_RCC_GPIOB_CLK_ENABLE(); |
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| 379 | |||
| 380 | /*Configure GPIO pin Output Level */ |
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| 381 | HAL_GPIO_WritePin(LED_GPIO_Port, LED_Pin, GPIO_PIN_SET); |
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| 382 | |||
| 383 | /*Configure GPIO pin Output Level */ |
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| 384 | HAL_GPIO_WritePin(GPIOA, SPI_CD_Pin | SPI_NSS_Pin, GPIO_PIN_RESET); |
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| 385 | |||
| 386 | /*Configure GPIO pin Output Level */ |
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| 387 | HAL_GPIO_WritePin(SPI_RESET_GPIO_Port, SPI_RESET_Pin, GPIO_PIN_RESET); |
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| 388 | |||
| 389 | /*Configure GPIO pin Output Level */ |
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| 390 | HAL_GPIO_WritePin(enableAFRN_GPIO_Port, enableAFRN_Pin, GPIO_PIN_RESET); |
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| 391 | |||
| 392 | /*Configure GPIO pin : LED_Pin */ |
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| 393 | GPIO_InitStruct.Pin = LED_Pin; |
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| 394 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 395 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 396 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; |
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| 397 | HAL_GPIO_Init(LED_GPIO_Port, &GPIO_InitStruct); |
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| 398 | |||
| 399 | /*Configure GPIO pins : SPI_CD_Pin SPI_NSS_Pin */ |
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| 400 | GPIO_InitStruct.Pin = SPI_CD_Pin | SPI_NSS_Pin; |
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| 401 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 402 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 403 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 404 | HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
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| 405 | |||
| 406 | /*Configure GPIO pin : SPI_RESET_Pin */ |
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| 407 | GPIO_InitStruct.Pin = SPI_RESET_Pin; |
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| 408 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 409 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 410 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 411 | HAL_GPIO_Init(SPI_RESET_GPIO_Port, &GPIO_InitStruct); |
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| 412 | |||
| 413 | /*Configure GPIO pin : enableAFRN_Pin */ |
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| 414 | GPIO_InitStruct.Pin = enableAFRN_Pin; |
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| 415 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
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| 416 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 417 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_HIGH; |
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| 418 | HAL_GPIO_Init(enableAFRN_GPIO_Port, &GPIO_InitStruct); |
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| 419 | |||
| 420 | /* USER CODE BEGIN MX_GPIO_Init_2 */ |
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| 421 | /* USER CODE END MX_GPIO_Init_2 */ |
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| 422 | } |
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| 423 | |||
| 424 | /* USER CODE BEGIN 4 */ |
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| 425 | |||
| 426 | /* USER CODE END 4 */ |
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| 427 | |||
| 428 | /** |
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| 429 | * @brief This function is executed in case of error occurrence. |
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| 430 | * @retval None |
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| 431 | */ |
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| 432 | void Error_Handler(void) |
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| 433 | { |
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| 434 | /* USER CODE BEGIN Error_Handler_Debug */ |
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| 435 | /* User can add his own implementation to report the HAL error return state */ |
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| 436 | __disable_irq(); |
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| 437 | while (1) |
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| 438 | { |
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| 439 | } |
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| 440 | /* USER CODE END Error_Handler_Debug */ |
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| 441 | } |
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| 442 | |||
| 443 | #ifdef USE_FULL_ASSERT |
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| 444 | /** |
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| 445 | * @brief Reports the name of the source file and the source line number |
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| 446 | * where the assert_param error has occurred. |
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| 447 | * @param file: pointer to the source file name |
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| 448 | * @param line: assert_param error line source number |
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| 449 | * @retval None |
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| 450 | */ |
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| 451 | void assert_failed(uint8_t *file, uint32_t line) |
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| 452 | { |
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| 453 | /* USER CODE BEGIN 6 */ |
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| 454 | /* User can add his own implementation to report the file name and line number, |
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| 455 | ex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
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| 456 | /* USER CODE END 6 */ |
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| 457 | } |
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| 458 | #endif /* USE_FULL_ASSERT */ |