1 /* USER CODE BEGIN Header */
2 /**
3 ******************************************************************************
4 * @file : main.c
5 * @brief : Main program body
6 ******************************************************************************
7 * @attention
8 *
9 * <h2><center>© Copyright (c) 2019 STMicroelectronics.
10 * All rights reserved.</center></h2>
11 *
12 * This software component is licensed by ST under BSD 3-Clause license,
13 * the "License"; You may not use this file except in compliance with the
14 * License. You may obtain a copy of the License at:
15 * opensource.org/licenses/BSD-3-Clause
16 *
17 ******************************************************************************
18 */
19 /* USER CODE END Header */
20
21 /* Includes ------------------------------------------------------------------*/
22 #include "main.h"
23
24 /* Private includes ----------------------------------------------------------*/
25 /* USER CODE BEGIN Includes */
26 #include "port.h"
27 /* USER CODE END Includes */
28
29 /* Private typedef -----------------------------------------------------------*/
30 /* USER CODE BEGIN PTD */
31
32 /* USER CODE END PTD */
33
34 /* Private define ------------------------------------------------------------*/
35 /* USER CODE BEGIN PD */
36
37 /* USER CODE END PD */
38
39 /* Private macro -------------------------------------------------------------*/
40 /* USER CODE BEGIN PM */
41
42 /* USER CODE END PM */
43
44 /* Private variables ---------------------------------------------------------*/
45 SPI_HandleTypeDef hspi1;
46 DMA_HandleTypeDef hdma_spi1_rx;
47 DMA_HandleTypeDef hdma_spi1_tx;
48
49 UART_HandleTypeDef huart2;
50
51 /* USER CODE BEGIN PV */
52
53 /* USER CODE END PV */
54
55 /* Private function prototypes -----------------------------------------------*/
56 void SystemClock_Config(void);
57 static void MX_GPIO_Init(void);
58 static void MX_DMA_Init(void);
59 static void MX_SPI1_Init(void);
60 static void MX_USART2_UART_Init(void);
61 /* USER CODE BEGIN PFP */
62
63 /* USER CODE END PFP */
64
65 /* Private user code ---------------------------------------------------------*/
66 /* USER CODE BEGIN 0 */
67
68 /* USER CODE END 0 */
69
70 /**
71 * @brief The application entry point.
72 * @retval int
73 */
main(void)74 int main(void)
75 {
76 /* USER CODE BEGIN 1 */
77
78 /* USER CODE END 1 */
79
80 /* MCU Configuration--------------------------------------------------------*/
81
82 /* Reset of all peripherals, Initializes the Flash interface and the Systick. */
83 HAL_Init();
84
85 /* USER CODE BEGIN Init */
86
87 /* USER CODE END Init */
88
89 /* Configure the system clock */
90 SystemClock_Config();
91
92 /* USER CODE BEGIN SysInit */
93
94 /* USER CODE END SysInit */
95
96 /* Initialize all configured peripherals */
97 MX_GPIO_Init();
98 MX_DMA_Init();
99 MX_SPI1_Init();
100 MX_USART2_UART_Init();
101 /* USER CODE BEGIN 2 */
102 // jump to BTstack port
103 port_main();
104 /* USER CODE END 2 */
105
106 /* Infinite loop */
107 /* USER CODE BEGIN WHILE */
108 while (1)
109 {
110 /* USER CODE END WHILE */
111
112 /* USER CODE BEGIN 3 */
113 }
114 /* USER CODE END 3 */
115 }
116
117 /**
118 * @brief System Clock Configuration
119 * @retval None
120 */
SystemClock_Config(void)121 void SystemClock_Config(void)
122 {
123 RCC_OscInitTypeDef RCC_OscInitStruct = {0};
124 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
125 RCC_PeriphCLKInitTypeDef PeriphClkInit = {0};
126
127 /** Configure the main internal regulator output voltage
128 */
129 __HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
130 /** Initializes the CPU, AHB and APB busses clocks
131 */
132 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;
133 RCC_OscInitStruct.HSIState = RCC_HSI_ON;
134 RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;
135 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
136 RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSI;
137 RCC_OscInitStruct.PLL.PLLMUL = RCC_PLLMUL_4;
138 RCC_OscInitStruct.PLL.PLLDIV = RCC_PLLDIV_2;
139 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
140 {
141 Error_Handler();
142 }
143 /** Initializes the CPU, AHB and APB busses clocks
144 */
145 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
146 |RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
147 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
148 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
149 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;
150 RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
151
152 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_1) != HAL_OK)
153 {
154 Error_Handler();
155 }
156 PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART2;
157 PeriphClkInit.Usart2ClockSelection = RCC_USART2CLKSOURCE_PCLK1;
158 if (HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit) != HAL_OK)
159 {
160 Error_Handler();
161 }
162 }
163
164 /**
165 * @brief SPI1 Initialization Function
166 * @param None
167 * @retval None
168 */
MX_SPI1_Init(void)169 static void MX_SPI1_Init(void)
170 {
171
172 /* USER CODE BEGIN SPI1_Init 0 */
173
174 /* USER CODE END SPI1_Init 0 */
175
176 /* USER CODE BEGIN SPI1_Init 1 */
177
178 /* USER CODE END SPI1_Init 1 */
179 /* SPI1 parameter configuration*/
180 hspi1.Instance = SPI1;
181 hspi1.Init.Mode = SPI_MODE_MASTER;
182 hspi1.Init.Direction = SPI_DIRECTION_2LINES;
183 hspi1.Init.DataSize = SPI_DATASIZE_8BIT;
184 hspi1.Init.CLKPolarity = SPI_POLARITY_LOW;
185 hspi1.Init.CLKPhase = SPI_PHASE_1EDGE;
186 hspi1.Init.NSS = SPI_NSS_SOFT;
187 hspi1.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
188 hspi1.Init.FirstBit = SPI_FIRSTBIT_MSB;
189 hspi1.Init.TIMode = SPI_TIMODE_DISABLE;
190 hspi1.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
191 hspi1.Init.CRCPolynomial = 7;
192 if (HAL_SPI_Init(&hspi1) != HAL_OK)
193 {
194 Error_Handler();
195 }
196 /* USER CODE BEGIN SPI1_Init 2 */
197
198 /* USER CODE END SPI1_Init 2 */
199
200 }
201
202 /**
203 * @brief USART2 Initialization Function
204 * @param None
205 * @retval None
206 */
MX_USART2_UART_Init(void)207 static void MX_USART2_UART_Init(void)
208 {
209
210 /* USER CODE BEGIN USART2_Init 0 */
211
212 /* USER CODE END USART2_Init 0 */
213
214 /* USER CODE BEGIN USART2_Init 1 */
215
216 /* USER CODE END USART2_Init 1 */
217 huart2.Instance = USART2;
218 huart2.Init.BaudRate = 115200;
219 huart2.Init.WordLength = UART_WORDLENGTH_8B;
220 huart2.Init.StopBits = UART_STOPBITS_1;
221 huart2.Init.Parity = UART_PARITY_NONE;
222 huart2.Init.Mode = UART_MODE_TX_RX;
223 huart2.Init.HwFlowCtl = UART_HWCONTROL_NONE;
224 huart2.Init.OverSampling = UART_OVERSAMPLING_16;
225 huart2.Init.OneBitSampling = UART_ONE_BIT_SAMPLE_DISABLE;
226 huart2.AdvancedInit.AdvFeatureInit = UART_ADVFEATURE_NO_INIT;
227 if (HAL_UART_Init(&huart2) != HAL_OK)
228 {
229 Error_Handler();
230 }
231 /* USER CODE BEGIN USART2_Init 2 */
232
233 /* USER CODE END USART2_Init 2 */
234
235 }
236
237 /**
238 * Enable DMA controller clock
239 */
MX_DMA_Init(void)240 static void MX_DMA_Init(void)
241 {
242 /* DMA controller clock enable */
243 __HAL_RCC_DMA1_CLK_ENABLE();
244
245 /* DMA interrupt init */
246 /* DMA1_Channel2_3_IRQn interrupt configuration */
247 HAL_NVIC_SetPriority(DMA1_Channel2_3_IRQn, 0, 0);
248 HAL_NVIC_EnableIRQ(DMA1_Channel2_3_IRQn);
249
250 }
251
252 /**
253 * @brief GPIO Initialization Function
254 * @param None
255 * @retval None
256 */
MX_GPIO_Init(void)257 static void MX_GPIO_Init(void)
258 {
259 GPIO_InitTypeDef GPIO_InitStruct = {0};
260
261 /* GPIO Ports Clock Enable */
262 __HAL_RCC_GPIOC_CLK_ENABLE();
263 __HAL_RCC_GPIOH_CLK_ENABLE();
264 __HAL_RCC_GPIOA_CLK_ENABLE();
265 __HAL_RCC_GPIOB_CLK_ENABLE();
266
267 /*Configure GPIO pin Output Level */
268 HAL_GPIO_WritePin(GPIOB, EN_Pin|SPI1_CSN_Pin, GPIO_PIN_RESET);
269
270 /*Configure GPIO pin : B1_Pin */
271 GPIO_InitStruct.Pin = B1_Pin;
272 GPIO_InitStruct.Mode = GPIO_MODE_IT_FALLING;
273 GPIO_InitStruct.Pull = GPIO_NOPULL;
274 HAL_GPIO_Init(B1_GPIO_Port, &GPIO_InitStruct);
275
276 /*Configure GPIO pins : EN_Pin SPI1_CSN_Pin */
277 GPIO_InitStruct.Pin = EN_Pin|SPI1_CSN_Pin;
278 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;
279 GPIO_InitStruct.Pull = GPIO_NOPULL;
280 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;
281 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
282
283 /*Configure GPIO pin : SPI1_RDY_Pin */
284 GPIO_InitStruct.Pin = SPI1_RDY_Pin;
285 GPIO_InitStruct.Mode = GPIO_MODE_INPUT;
286 GPIO_InitStruct.Pull = GPIO_NOPULL;
287 HAL_GPIO_Init(SPI1_RDY_GPIO_Port, &GPIO_InitStruct);
288
289 }
290
291 /* USER CODE BEGIN 4 */
292
293 /* USER CODE END 4 */
294
295 /**
296 * @brief This function is executed in case of error occurrence.
297 * @retval None
298 */
Error_Handler(void)299 void Error_Handler(void)
300 {
301 /* USER CODE BEGIN Error_Handler_Debug */
302 /* User can add his own implementation to report the HAL error return state */
303
304 /* USER CODE END Error_Handler_Debug */
305 }
306
307 #ifdef USE_FULL_ASSERT
308 /**
309 * @brief Reports the name of the source file and the source line number
310 * where the assert_param error has occurred.
311 * @param file: pointer to the source file name
312 * @param line: assert_param error line source number
313 * @retval None
314 */
assert_failed(uint8_t * file,uint32_t line)315 void assert_failed(uint8_t *file, uint32_t line)
316 {
317 /* USER CODE BEGIN 6 */
318 /* User can add his own implementation to report the file name and line number,
319 tex: printf("Wrong parameters value: file %s on line %d\r\n", file, line) */
320 /* USER CODE END 6 */
321 }
322 #endif /* USE_FULL_ASSERT */
323
324 /************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
325