1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
22
27
32
36
41
48
56
57
58
59
60
61
65
66
67
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
110
111
112
113
117
118
119
120
121
122
124
125
126
129
130
131
132
133
134
135
136
137
141
143
147
149
150
151
152
153
154
155
156
160
161
162
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
189
190
191
192
193
194
195
200
201
202
203
204
205
206
207
208
209
210
211
212
213
217
218
219
220
221
222
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
243
244
247
248
249
/* ... */
#include "main.h"
Includes
Private includes
Private typedef
Private define
Private macro
UART_HandleTypeDef huart3;
Private variables
void SystemClock_Config(void);
static void MX_GPIO_Init(void);
static void MX_USART3_UART_Init(void);
Private function prototypes
/* ... */
int main(void)
{
HAL_Init();
SystemClock_Config();
MX_GPIO_Init();
MX_USART3_UART_Init();
BSP_LED_Init(LED_GREEN);
BSP_LED_Init(LED_RED);
MX_FileX_Init();
MX_FileX_Process();
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_BYPASS;
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 = 4;
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) { ... }
}{ ... }
/* ... */
static void MX_USART3_UART_Init(void)
{
huart3.Instance = USART3;
huart3.Init.BaudRate = 115200;
huart3.Init.WordLength = UART_WORDLENGTH_8B;
huart3.Init.StopBits = UART_STOPBITS_1;
huart3.Init.Parity = UART_PARITY_NONE;
huart3.Init.Mode = UART_MODE_TX_RX;
huart3.Init.HwFlowCtl = UART_HWCONTROL_NONE;
huart3.Init.OverSampling = UART_OVERSAMPLING_16;
if (HAL_UART_Init(&huart3) != HAL_OK)
{
Error_Handler();
}if (HAL_UART_Init(&huart3) != HAL_OK) { ... }
}{ ... }
/* ... */
static void MX_GPIO_Init(void)
{
__HAL_RCC_GPIOH_CLK_ENABLE();
__HAL_RCC_GPIOD_CLK_ENABLE();
}{ ... }
/* ... */
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