1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
23
28
33
37
42
51
59
60
61
62
63
64
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
112
113
114
115
119
120
121
122
123
124
126
127
128
129
132
133
134
135
136
137
138
139
140
141
145
146
148
152
153
155
156
157
158
159
160
161
162
166
167
168
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
194
198
199
200
201
202
203
204
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
259
260
261
262
263
264
268
269
270
271
272
273
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
294
295
298
299
300
/* ... */
#include "main.h"
#include "app_threadx.h"
Includes
Private includes
Private typedef
Private define
Private macro
SD_HandleTypeDef hsd;
DMA_HandleTypeDef hdma_sdio_rx;
DMA_HandleTypeDef hdma_sdio_tx;
Private variables
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_DMA_Init(void);
Private function prototypes
/* ... */
int main(void)
{
HAL_Init();
SystemClock_Config();
BSP_LED_Init(LED_GREEN);
BSP_LED_Init(LED_RED);
MX_GPIO_Init();
MX_DMA_Init();
MX_ThreadX_Init();
while (1)
{
}while (1) { ... }
}{ ... }
/* ... */
void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = {0};
RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};
/* ... */
__HAL_RCC_PWR_CLK_ENABLE();
__HAL_PWR_VOLTAGESCALING_CONFIG(PWR_REGULATOR_VOLTAGE_SCALE1);
/* ... */
RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSE;
RCC_OscInitStruct.HSEState = RCC_HSE_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 8;
RCC_OscInitStruct.PLL.PLLN = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 8;
RCC_OscInitStruct.PLL.PLLR = 2;
if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK) { ... }
/* ... */
if (HAL_PWREx_EnableOverDrive() != HAL_OK)
{
Error_Handler();
}if (HAL_PWREx_EnableOverDrive() != HAL_OK) { ... }
/* ... */
RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK
|RCC_CLOCKTYPE_PCLK1|RCC_CLOCKTYPE_PCLK2;
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK)
{
Error_Handler();
}if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5) != HAL_OK) { ... }
}{ ... }
/* ... */
void MX_SDIO_SD_Init(void)
{
hsd.Instance = SDIO;
hsd.Init.ClockEdge = SDIO_CLOCK_EDGE_RISING;
hsd.Init.ClockBypass = SDIO_CLOCK_BYPASS_DISABLE;
hsd.Init.ClockPowerSave = SDIO_CLOCK_POWER_SAVE_DISABLE;
hsd.Init.BusWide = SDIO_BUS_WIDE_1B;
hsd.Init.HardwareFlowControl = SDIO_HARDWARE_FLOW_CONTROL_DISABLE;
hsd.Init.ClockDiv = 0;
if (HAL_SD_Init(&hsd) != HAL_OK)
{
Error_Handler();
}if (HAL_SD_Init(&hsd) != HAL_OK) { ... }
if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK)
{
Error_Handler();
}if (HAL_SD_ConfigWideBusOperation(&hsd, SDIO_BUS_WIDE_4B) != HAL_OK) { ... }
}{ ... }
/* ... */
static void MX_DMA_Init(void)
{
__HAL_RCC_DMA2_CLK_ENABLE();
HAL_NVIC_SetPriority(DMA2_Stream3_IRQn, 15, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream3_IRQn);
HAL_NVIC_SetPriority(DMA2_Stream6_IRQn, 15, 0);
HAL_NVIC_EnableIRQ(DMA2_Stream6_IRQn);
}{ ... }
/* ... */
static void MX_GPIO_Init(void)
{
__HAL_RCC_GPIOB_CLK_ENABLE();
__HAL_RCC_GPIOC_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
__HAL_RCC_GPIOH_CLK_ENABLE();
}{ ... }
/* ... */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
if (htim->Instance == TIM6) {
HAL_IncTick();
}if (htim->Instance == TIM6) { ... }
}{ ... }
/* ... */
void Error_Handler(void)
{
BSP_LED_Off(LED_GREEN);
while (1)
{
BSP_LED_Toggle(LED_RED);
HAL_Delay(200);
}while (1) { ... }
}{ ... }
#ifdef USE_FULL_ASSERT
/* ... */
void assert_failed(uint8_t *file, uint32_t line)
{
/* ... */
while (1)
{
}while (1) { ... }
}assert_failed (uint8_t *file, uint32_t line) { ... }
/* ... */#endif