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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 | mjames | 3 | ****************************************************************************** |
| 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 | * <h2><center>© Copyright (c) 2020 STMicroelectronics. |
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| 10 | * All rights reserved.</center></h2> |
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| 11 | * |
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| 12 | * This software component is licensed by ST under BSD 3-Clause license, |
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| 13 | * the "License"; You may not use this file except in compliance with the |
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| 14 | * License. You may obtain a copy of the License at: |
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| 15 | * opensource.org/licenses/BSD-3-Clause |
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| 16 | * |
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| 17 | ****************************************************************************** |
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| 18 | */ |
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| 2 | mjames | 19 | /* USER CODE END Header */ |
| 20 | |||
| 21 | /* Includes ------------------------------------------------------------------*/ |
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| 22 | #include "main.h" |
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| 23 | |||
| 24 | /* Private includes ----------------------------------------------------------*/ |
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| 25 | /* USER CODE BEGIN Includes */ |
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| 26 | |||
| 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 | /* USER CODE END PD */ |
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| 37 | |||
| 38 | /* Private macro -------------------------------------------------------------*/ |
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| 39 | /* USER CODE BEGIN PM */ |
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| 40 | |||
| 41 | /* USER CODE END PM */ |
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| 42 | |||
| 43 | /* Private variables ---------------------------------------------------------*/ |
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| 44 | ADC_HandleTypeDef hadc; |
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| 45 | DMA_HandleTypeDef hdma_adc; |
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| 46 | |||
| 3 | mjames | 47 | SPI_HandleTypeDef hspi1; |
| 48 | DMA_HandleTypeDef hdma_spi1_tx; |
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| 49 | |||
| 2 | mjames | 50 | TIM_HandleTypeDef htim1; |
| 51 | TIM_HandleTypeDef htim3; |
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| 52 | |||
| 53 | UART_HandleTypeDef huart1; |
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| 54 | |||
| 55 | /* USER CODE BEGIN PV */ |
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| 56 | #define NUM_SAMPLES 8 |
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| 3 | mjames | 57 | uint32_t ADC_Samples[NUM_SAMPLES]; |
| 2 | mjames | 58 | |
| 3 | mjames | 59 | #define NUM_SPI_BYTES 20 |
| 60 | uint8_t SPI_Buffer[NUM_SPI_BYTES]; |
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| 2 | mjames | 61 | |
| 62 | /* USER CODE END PV */ |
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| 63 | |||
| 64 | /* Private function prototypes -----------------------------------------------*/ |
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| 65 | void SystemClock_Config(void); |
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| 66 | static void MX_GPIO_Init(void); |
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| 67 | static void MX_DMA_Init(void); |
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| 68 | static void MX_ADC_Init(void); |
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| 69 | static void MX_TIM1_Init(void); |
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| 70 | static void MX_USART1_UART_Init(void); |
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| 71 | static void MX_TIM3_Init(void); |
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| 3 | mjames | 72 | static void MX_SPI1_Init(void); |
| 2 | mjames | 73 | /* USER CODE BEGIN PFP */ |
| 74 | |||
| 75 | /* USER CODE END PFP */ |
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| 76 | |||
| 77 | /* Private user code ---------------------------------------------------------*/ |
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| 78 | /* USER CODE BEGIN 0 */ |
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| 79 | |||
| 80 | void setDrive1(uint8_t bit) { |
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| 81 | if (bit) { |
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| 3 | mjames | 82 | HAL_GPIO_WritePin(step1P_GPIO_Port, step1P_Pin, GPIO_PIN_SET); |
| 83 | HAL_GPIO_WritePin(step1N_GPIO_Port, step1N_Pin, GPIO_PIN_RESET); |
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| 2 | mjames | 84 | } else { |
| 3 | mjames | 85 | HAL_GPIO_WritePin(step1P_GPIO_Port, step1P_Pin, GPIO_PIN_RESET); |
| 86 | HAL_GPIO_WritePin(step1N_GPIO_Port, step1N_Pin, GPIO_PIN_SET); |
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| 2 | mjames | 87 | } |
| 88 | } |
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| 89 | |||
| 90 | void setDrive2(uint8_t bit) { |
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| 91 | if (bit) { |
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| 3 | mjames | 92 | HAL_GPIO_WritePin(step2P_GPIO_Port, step2P_Pin, GPIO_PIN_SET); |
| 93 | HAL_GPIO_WritePin(step2N_GPIO_Port, step2N_Pin, GPIO_PIN_RESET); |
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| 2 | mjames | 94 | } else { |
| 3 | mjames | 95 | HAL_GPIO_WritePin(step2P_GPIO_Port, step2P_Pin, GPIO_PIN_RESET); |
| 96 | HAL_GPIO_WritePin(step2N_GPIO_Port, step2N_Pin, GPIO_PIN_SET); |
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| 2 | mjames | 97 | } |
| 98 | } |
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| 99 | |||
| 100 | // |
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| 101 | int count = 0; |
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| 102 | int origin = 0; |
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| 103 | |||
| 3 | mjames | 104 | void moveGauge(int target) { |
| 2 | mjames | 105 | |
| 3 | mjames | 106 | unsigned const fast = 10; |
| 107 | unsigned const slow = 30; |
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| 2 | mjames | 108 | unsigned const range = slow - fast; |
| 109 | unsigned del = fast; |
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| 110 | int step = 1; |
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| 111 | while (count != target) { |
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| 112 | |||
| 113 | // use bit mask, so it works for negative count values .. |
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| 114 | switch (count & 3) { |
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| 115 | case 0: |
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| 3 | mjames | 116 | setDrive1(0); |
| 117 | setDrive2(1); |
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| 2 | mjames | 118 | break; |
| 119 | case 1: |
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| 120 | setDrive1(1); |
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| 121 | setDrive2(1); |
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| 122 | break; |
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| 123 | case 2: |
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| 3 | mjames | 124 | setDrive1(1); |
| 125 | setDrive2(0); |
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| 2 | mjames | 126 | break; |
| 127 | case 3: |
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| 128 | setDrive1(0); |
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| 129 | setDrive2(0); |
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| 130 | break; |
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| 131 | } |
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| 132 | |||
| 133 | // all this calculates minimum distance from |
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| 134 | // target or origin |
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| 135 | int d1 = count - origin; |
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| 136 | if (d1 < 0) |
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| 137 | d1 = -d1; |
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| 138 | int d2 = count - target; |
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| 139 | if (d2 < 0) |
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| 140 | d2 = -d2; |
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| 141 | // finally, minimum distance |
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| 142 | int dist = d1 < d2 ? d1 : d2; |
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| 143 | |||
| 144 | del = fast; |
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| 145 | if (dist < range) // inside lower bound of distance |
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| 146 | { |
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| 147 | del = slow - dist; |
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| 148 | } |
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| 149 | HAL_Delay(del); |
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| 150 | |||
| 151 | if (count < target) { |
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| 152 | step = 1; |
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| 153 | } |
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| 154 | if (count > target) { |
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| 155 | step = -1; |
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| 156 | } |
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| 157 | if (count == target) { |
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| 158 | step = 0; |
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| 159 | } |
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| 160 | count = count + step; |
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| 161 | |||
| 162 | } |
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| 163 | |||
| 164 | } |
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| 165 | |||
| 166 | // move gauge back to zero position |
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| 3 | mjames | 167 | void resetGauge() { |
| 2 | mjames | 168 | moveGauge(-600); |
| 3 | mjames | 169 | count = 0; |
| 2 | mjames | 170 | origin = 0; |
| 171 | } |
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| 172 | |||
| 173 | /* USER CODE END 0 */ |
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| 174 | |||
| 175 | /** |
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| 176 | * @brief The application entry point. |
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| 177 | * @retval int |
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| 178 | */ |
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| 179 | int main(void) |
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| 180 | { |
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| 181 | /* USER CODE BEGIN 1 */ |
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| 182 | // half degree step 315 degree movement |
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| 183 | #define GAUGE_MAX 315*2 |
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| 184 | #define GAUGE_MIN 0 |
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| 185 | |||
| 186 | /* USER CODE END 1 */ |
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| 187 | |||
| 188 | /* MCU Configuration--------------------------------------------------------*/ |
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| 189 | |||
| 190 | /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ |
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| 191 | HAL_Init(); |
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| 192 | |||
| 193 | /* USER CODE BEGIN Init */ |
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| 194 | |||
| 195 | /* USER CODE END Init */ |
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| 196 | |||
| 197 | /* Configure the system clock */ |
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| 198 | SystemClock_Config(); |
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| 199 | |||
| 200 | /* USER CODE BEGIN SysInit */ |
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| 201 | |||
| 202 | /* USER CODE END SysInit */ |
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| 203 | |||
| 204 | /* Initialize all configured peripherals */ |
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| 205 | MX_GPIO_Init(); |
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| 206 | MX_DMA_Init(); |
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| 207 | MX_ADC_Init(); |
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| 208 | MX_TIM1_Init(); |
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| 209 | MX_USART1_UART_Init(); |
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| 210 | MX_TIM3_Init(); |
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| 3 | mjames | 211 | MX_SPI1_Init(); |
| 2 | mjames | 212 | /* USER CODE BEGIN 2 */ |
| 213 | |||
| 3 | mjames | 214 | int i; |
| 215 | for (i = 0; i < NUM_SAMPLES; i++) |
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| 216 | ADC_Samples[i] = 0; |
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| 2 | mjames | 217 | |
| 3 | mjames | 218 | HAL_ADC_MspInit(&hadc); |
| 2 | mjames | 219 | |
| 3 | mjames | 220 | HAL_ADC_Start_DMA(&hadc, ADC_Samples, NUM_SAMPLES); |
| 2 | mjames | 221 | |
| 3 | mjames | 222 | HAL_ADC_Start_IT(&hadc); |
| 2 | mjames | 223 | |
| 3 | mjames | 224 | // timer 3 triggers the ADC |
| 225 | HAL_TIM_Base_MspInit(&htim3); |
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| 226 | HAL_TIM_Base_Start_IT(&htim3); |
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| 2 | mjames | 227 | |
| 3 | mjames | 228 | resetGauge(); |
| 2 | mjames | 229 | |
| 3 | mjames | 230 | /* USER CODE END 2 */ |
| 2 | mjames | 231 | |
| 3 | mjames | 232 | /* Infinite loop */ |
| 233 | /* USER CODE BEGIN WHILE */ |
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| 234 | while (1) { |
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| 2 | mjames | 235 | |
| 3 | mjames | 236 | HAL_SPI_Transmit_DMA(&hspi1, SPI_Buffer, NUM_SPI_BYTES); |
| 2 | mjames | 237 | |
| 3 | mjames | 238 | HAL_Delay(10); |
| 2 | mjames | 239 | |
| 240 | /* USER CODE END WHILE */ |
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| 241 | |||
| 242 | /* USER CODE BEGIN 3 */ |
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| 3 | mjames | 243 | } |
| 2 | mjames | 244 | /* USER CODE END 3 */ |
| 245 | } |
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| 246 | |||
| 247 | /** |
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| 248 | * @brief System Clock Configuration |
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| 249 | * @retval None |
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| 250 | */ |
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| 251 | void SystemClock_Config(void) |
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| 252 | { |
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| 253 | RCC_OscInitTypeDef RCC_OscInitStruct = {0}; |
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| 254 | RCC_ClkInitTypeDef RCC_ClkInitStruct = {0}; |
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| 255 | RCC_PeriphCLKInitTypeDef PeriphClkInit = {0}; |
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| 256 | |||
| 3 | mjames | 257 | /** Initializes the CPU, AHB and APB busses clocks |
| 2 | mjames | 258 | */ |
| 259 | RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14; |
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| 260 | RCC_OscInitStruct.HSIState = RCC_HSI_ON; |
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| 261 | RCC_OscInitStruct.HSI14State = RCC_HSI14_ON; |
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| 262 | RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT; |
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| 263 | RCC_OscInitStruct.HSI14CalibrationValue = 16; |
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| 264 | RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON; |
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| 265 | RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI; |
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| 266 | RCC_OscInitStruct.PLL.PLLMUL = RCC_PLL_MUL8; |
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| 267 | RCC_OscInitStruct.PLL.PREDIV = RCC_PREDIV_DIV1; |
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| 268 | if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) |
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| 269 | { |
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| 270 | Error_Handler(); |
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| 271 | } |
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| 3 | mjames | 272 | /** Initializes the CPU, AHB and APB busses clocks |
| 2 | mjames | 273 | */ |
| 274 | RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK |
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| 275 | |RCC_CLOCKTYPE_PCLK1; |
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| 276 | RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK; |
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| 277 | RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1; |
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| 278 | RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1; |
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| 279 | |||
| 280 | if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK) |
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| 281 | { |
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| 282 | Error_Handler(); |
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| 283 | } |
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| 284 | PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1; |
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| 285 | PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_PCLK1; |
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| 286 | if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK) |
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| 287 | { |
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| 288 | Error_Handler(); |
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| 289 | } |
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| 290 | } |
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| 291 | |||
| 292 | /** |
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| 293 | * @brief ADC Initialization Function |
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| 294 | * @param None |
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| 295 | * @retval None |
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| 296 | */ |
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| 297 | static void MX_ADC_Init(void) |
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| 298 | { |
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| 299 | |||
| 300 | /* USER CODE BEGIN ADC_Init 0 */ |
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| 301 | |||
| 302 | /* USER CODE END ADC_Init 0 */ |
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| 303 | |||
| 304 | ADC_ChannelConfTypeDef sConfig = {0}; |
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| 305 | |||
| 306 | /* USER CODE BEGIN ADC_Init 1 */ |
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| 307 | |||
| 308 | /* USER CODE END ADC_Init 1 */ |
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| 3 | mjames | 309 | /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) |
| 2 | mjames | 310 | */ |
| 311 | hadc.Instance = ADC1; |
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| 312 | hadc.Init.ClockPrescaler = ADC_CLOCK_ASYNC_DIV1; |
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| 313 | hadc.Init.Resolution = ADC_RESOLUTION_12B; |
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| 314 | hadc.Init.DataAlign = ADC_DATAALIGN_RIGHT; |
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| 315 | hadc.Init.ScanConvMode = ADC_SCAN_DIRECTION_FORWARD; |
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| 316 | hadc.Init.EOCSelection = ADC_EOC_SINGLE_CONV; |
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| 317 | hadc.Init.LowPowerAutoWait = DISABLE; |
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| 318 | hadc.Init.LowPowerAutoPowerOff = DISABLE; |
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| 319 | hadc.Init.ContinuousConvMode = DISABLE; |
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| 320 | hadc.Init.DiscontinuousConvMode = DISABLE; |
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| 321 | hadc.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T3_TRGO; |
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| 322 | hadc.Init.ExternalTrigConvEdge = ADC_EXTERNALTRIGCONVEDGE_RISING; |
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| 323 | hadc.Init.DMAContinuousRequests = ENABLE; |
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| 324 | hadc.Init.Overrun = ADC_OVR_DATA_PRESERVED; |
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| 325 | if (HAL_ADC_Init(&hadc) != HAL_OK) |
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| 326 | { |
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| 327 | Error_Handler(); |
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| 328 | } |
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| 3 | mjames | 329 | /** Configure for the selected ADC regular channel to be converted. |
| 2 | mjames | 330 | */ |
| 331 | sConfig.Channel = ADC_CHANNEL_0; |
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| 332 | sConfig.Rank = ADC_RANK_CHANNEL_NUMBER; |
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| 333 | sConfig.SamplingTime = ADC_SAMPLETIME_28CYCLES_5; |
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| 334 | if (HAL_ADC_ConfigChannel(&hadc, &sConfig) != HAL_OK) |
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| 335 | { |
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| 336 | Error_Handler(); |
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| 337 | } |
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| 338 | /* USER CODE BEGIN ADC_Init 2 */ |
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| 339 | |||
| 340 | /* USER CODE END ADC_Init 2 */ |
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| 341 | |||
| 342 | } |
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| 343 | |||
| 344 | /** |
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| 3 | mjames | 345 | * @brief SPI1 Initialization Function |
| 346 | * @param None |
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| 347 | * @retval None |
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| 348 | */ |
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| 349 | static void MX_SPI1_Init(void) |
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| 350 | { |
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| 351 | |||
| 352 | /* USER CODE BEGIN SPI1_Init 0 */ |
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| 353 | |||
| 354 | /* USER CODE END SPI1_Init 0 */ |
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| 355 | |||
| 356 | /* USER CODE BEGIN SPI1_Init 1 */ |
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| 357 | |||
| 358 | /* USER CODE END SPI1_Init 1 */ |
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| 359 | /* SPI1 parameter configuration*/ |
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| 360 | hspi1.Instance = SPI1; |
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| 361 | hspi1.Init.Mode = SPI_MODE_MASTER; |
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| 362 | hspi1.Init.Direction = SPI_DIRECTION_2LINES; |
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| 363 | hspi1.Init.DataSize = SPI_DATASIZE_8BIT; |
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| 364 | hspi1.Init.CLKPolarity = SPI_POLARITY_LOW; |
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| 365 | hspi1.Init.CLKPhase = SPI_PHASE_1EDGE; |
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| 366 | hspi1.Init.NSS = SPI_NSS_SOFT; |
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| 367 | hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; |
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| 368 | hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB; |
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| 369 | hspi1.Init.TIMode = SPI_TIMODE_DISABLE; |
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| 370 | hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE; |
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| 371 | hspi1.Init.CRCPolynomial = 7; |
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| 372 | hspi1.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE; |
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| 373 | hspi1.Init.NSSPMode = SPI_NSS_PULSE_ENABLE; |
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| 374 | if (HAL_SPI_Init(&hspi1) != HAL_OK) |
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| 375 | { |
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| 376 | Error_Handler(); |
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| 377 | } |
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| 378 | /* USER CODE BEGIN SPI1_Init 2 */ |
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| 379 | |||
| 380 | /* USER CODE END SPI1_Init 2 */ |
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| 381 | |||
| 382 | } |
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| 383 | |||
| 384 | /** |
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| 2 | mjames | 385 | * @brief TIM1 Initialization Function |
| 386 | * @param None |
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| 387 | * @retval None |
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| 388 | */ |
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| 389 | static void MX_TIM1_Init(void) |
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| 390 | { |
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| 391 | |||
| 392 | /* USER CODE BEGIN TIM1_Init 0 */ |
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| 393 | |||
| 394 | /* USER CODE END TIM1_Init 0 */ |
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| 395 | |||
| 396 | TIM_ClockConfigTypeDef sClockSourceConfig = {0}; |
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| 397 | TIM_MasterConfigTypeDef sMasterConfig = {0}; |
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| 398 | |||
| 399 | /* USER CODE BEGIN TIM1_Init 1 */ |
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| 400 | |||
| 401 | /* USER CODE END TIM1_Init 1 */ |
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| 402 | htim1.Instance = TIM1; |
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| 403 | htim1.Init.Prescaler = 0; |
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| 404 | htim1.Init.CounterMode = TIM_COUNTERMODE_UP; |
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| 405 | htim1.Init.Period = 0; |
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| 406 | htim1.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; |
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| 407 | htim1.Init.RepetitionCounter = 0; |
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| 408 | htim1.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE; |
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| 409 | if (HAL_TIM_Base_Init(&htim1) != HAL_OK) |
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| 410 | { |
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| 411 | Error_Handler(); |
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| 412 | } |
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| 413 | sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; |
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| 414 | if (HAL_TIM_ConfigClockSource(&htim1, &sClockSourceConfig) != HAL_OK) |
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| 415 | { |
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| 416 | Error_Handler(); |
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| 417 | } |
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| 418 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_RESET; |
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| 419 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
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| 420 | if (HAL_TIMEx_MasterConfigSynchronization(&htim1, &sMasterConfig) != HAL_OK) |
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| 421 | { |
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| 422 | Error_Handler(); |
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| 423 | } |
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| 424 | /* USER CODE BEGIN TIM1_Init 2 */ |
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| 425 | |||
| 426 | /* USER CODE END TIM1_Init 2 */ |
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| 427 | |||
| 428 | } |
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| 429 | |||
| 430 | /** |
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| 431 | * @brief TIM3 Initialization Function |
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| 432 | * @param None |
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| 433 | * @retval None |
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| 434 | */ |
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| 435 | static void MX_TIM3_Init(void) |
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| 436 | { |
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| 437 | |||
| 438 | /* USER CODE BEGIN TIM3_Init 0 */ |
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| 439 | |||
| 440 | /* USER CODE END TIM3_Init 0 */ |
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| 441 | |||
| 442 | TIM_ClockConfigTypeDef sClockSourceConfig = {0}; |
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| 443 | TIM_MasterConfigTypeDef sMasterConfig = {0}; |
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| 444 | |||
| 445 | /* USER CODE BEGIN TIM3_Init 1 */ |
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| 446 | |||
| 447 | /* USER CODE END TIM3_Init 1 */ |
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| 448 | htim3.Instance = TIM3; |
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| 449 | htim3.Init.Prescaler = 32; |
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| 450 | htim3.Init.CounterMode = TIM_COUNTERMODE_DOWN; |
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| 451 | htim3.Init.Period = 10000; |
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| 452 | htim3.Init.ClockDivision = TIM_CLOCKDIVISION_DIV1; |
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| 453 | htim3.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_ENABLE; |
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| 454 | if (HAL_TIM_Base_Init(&htim3) != HAL_OK) |
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| 455 | { |
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| 456 | Error_Handler(); |
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| 457 | } |
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| 458 | sClockSourceConfig.ClockSource = TIM_CLOCKSOURCE_INTERNAL; |
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| 459 | if (HAL_TIM_ConfigClockSource(&htim3, &sClockSourceConfig) != HAL_OK) |
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| 460 | { |
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| 461 | Error_Handler(); |
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| 462 | } |
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| 463 | sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE; |
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| 464 | sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE; |
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| 465 | if (HAL_TIMEx_MasterConfigSynchronization(&htim3, &sMasterConfig) != HAL_OK) |
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| 466 | { |
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| 467 | Error_Handler(); |
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| 468 | } |
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| 469 | /* USER CODE BEGIN TIM3_Init 2 */ |
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| 470 | |||
| 471 | /* USER CODE END TIM3_Init 2 */ |
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| 472 | |||
| 473 | } |
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| 474 | |||
| 475 | /** |
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| 476 | * @brief USART1 Initialization Function |
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| 477 | * @param None |
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| 478 | * @retval None |
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| 479 | */ |
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| 480 | static void MX_USART1_UART_Init(void) |
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| 481 | { |
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| 482 | |||
| 483 | /* USER CODE BEGIN USART1_Init 0 */ |
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| 484 | |||
| 485 | /* USER CODE END USART1_Init 0 */ |
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| 486 | |||
| 487 | /* USER CODE BEGIN USART1_Init 1 */ |
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| 488 | |||
| 489 | /* USER CODE END USART1_Init 1 */ |
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| 490 | huart1.Instance = USART1; |
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| 491 | huart1.Init.BaudRate = 38400; |
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| 492 | huart1.Init.WordLength = UART_WORDLENGTH_8B; |
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| 493 | huart1.Init.StopBits = UART_STOPBITS_1; |
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| 494 | huart1.Init.Parity = UART_PARITY_NONE; |
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| 495 | huart1.Init.Mode = UART_MODE_TX_RX; |
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| 496 | huart1.Init.HwFlowCtl = UART_HWCONTROL_NONE; |
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| 497 | huart1.Init.OverSampling = UART_OVERSAMPLING_16; |
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| 498 | huart1.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE; |
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| 499 | huart1.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT; |
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| 500 | if (HAL_UART_Init(&huart1) != HAL_OK) |
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| 501 | { |
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| 502 | Error_Handler(); |
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| 503 | } |
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| 504 | /* USER CODE BEGIN USART1_Init 2 */ |
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| 505 | |||
| 506 | /* USER CODE END USART1_Init 2 */ |
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| 507 | |||
| 508 | } |
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| 509 | |||
| 3 | mjames | 510 | /** |
| 2 | mjames | 511 | * Enable DMA controller clock |
| 512 | */ |
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| 3 | mjames | 513 | static void MX_DMA_Init(void) |
| 2 | mjames | 514 | { |
| 515 | |||
| 516 | /* DMA controller clock enable */ |
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| 517 | __HAL_RCC_DMA1_CLK_ENABLE(); |
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| 518 | |||
| 519 | /* DMA interrupt init */ |
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| 520 | /* DMA1_Channel1_IRQn interrupt configuration */ |
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| 521 | HAL_NVIC_SetPriority(DMA1_Channel1_IRQn, 0, 0); |
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| 522 | HAL_NVIC_EnableIRQ(DMA1_Channel1_IRQn); |
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| 3 | mjames | 523 | /* DMA1_Channel2_3_IRQn interrupt configuration */ |
| 524 | HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0); |
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| 525 | HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn); |
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| 2 | mjames | 526 | |
| 527 | } |
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| 528 | |||
| 529 | /** |
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| 530 | * @brief GPIO Initialization Function |
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| 531 | * @param None |
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| 532 | * @retval None |
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| 533 | */ |
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| 534 | static void MX_GPIO_Init(void) |
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| 535 | { |
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| 536 | GPIO_InitTypeDef GPIO_InitStruct = {0}; |
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| 537 | |||
| 538 | /* GPIO Ports Clock Enable */ |
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| 539 | __HAL_RCC_GPIOF_CLK_ENABLE(); |
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| 540 | __HAL_RCC_GPIOA_CLK_ENABLE(); |
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| 541 | __HAL_RCC_GPIOB_CLK_ENABLE(); |
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| 542 | |||
| 543 | /*Configure GPIO pin Output Level */ |
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| 3 | mjames | 544 | HAL_GPIO_WritePin(GPIOA, enableCurrent_Pin|step2N_Pin|step1N_Pin|step1P_Pin, GPIO_PIN_RESET); |
| 2 | mjames | 545 | |
| 546 | /*Configure GPIO pin Output Level */ |
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| 3 | mjames | 547 | HAL_GPIO_WritePin(step2P_GPIO_Port, step2P_Pin, GPIO_PIN_RESET); |
| 2 | mjames | 548 | |
| 3 | mjames | 549 | /*Configure GPIO pins : enableCurrent_Pin step2N_Pin step1N_Pin step1P_Pin */ |
| 550 | GPIO_InitStruct.Pin = enableCurrent_Pin|step2N_Pin|step1N_Pin|step1P_Pin; |
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| 2 | mjames | 551 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| 552 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 553 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 554 | HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); |
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| 555 | |||
| 3 | mjames | 556 | /*Configure GPIO pin : step2P_Pin */ |
| 557 | GPIO_InitStruct.Pin = step2P_Pin; |
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| 2 | mjames | 558 | GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP; |
| 559 | GPIO_InitStruct.Pull = GPIO_NOPULL; |
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| 560 | GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW; |
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| 3 | mjames | 561 | HAL_GPIO_Init(step2P_GPIO_Port, &GPIO_InitStruct); |
| 2 | mjames | 562 | |
| 563 | } |
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| 564 | |||
| 565 | /* USER CODE BEGIN 4 */ |
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| 566 | |||
| 567 | /* USER CODE END 4 */ |
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| 568 | |||
| 569 | /** |
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| 570 | * @brief This function is executed in case of error occurrence. |
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| 571 | * @retval None |
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| 572 | */ |
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| 573 | void Error_Handler(void) |
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| 574 | { |
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| 575 | /* USER CODE BEGIN Error_Handler_Debug */ |
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| 3 | mjames | 576 | /* User can add his own implementation to report the HAL error return state */ |
| 2 | mjames | 577 | |
| 578 | /* USER CODE END Error_Handler_Debug */ |
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| 579 | } |
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| 580 | |||
| 581 | #ifdef USE_FULL_ASSERT |
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| 582 | /** |
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| 583 | * @brief Reports the name of the source file and the source line number |
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| 584 | * where the assert_param error has occurred. |
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| 585 | * @param file: pointer to the source file name |
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| 586 | * @param line: assert_param error line source number |
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| 587 | * @retval None |
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| 588 | */ |
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| 589 | void assert_failed(char *file, uint32_t line) |
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| 3 | mjames | 590 | { |
| 2 | mjames | 591 | /* USER CODE BEGIN 6 */ |
| 592 | /* User can add his own implementation to report the file name and line number, |
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| 593 | tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */ |
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| 594 | /* USER CODE END 6 */ |
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| 595 | } |
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| 596 | #endif /* USE_FULL_ASSERT */ |
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| 597 | |||
| 598 | /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/ |