1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
22
23
24
25
30
37
38
39
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
75
76
77
78
79
80
86
87
88
89
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
119
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
151
152
153
154
155
156
157
158
159
160
161
166
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
224
225
227
228
229
230
231
232
233
237
238
239
240
241
242
243
244
245
246
247
257
/* ... */
#include "main.h"
#include "WM.h"
Includes
uint8_t GUI_Initialized = 0;
TIM_HandleTypeDef TimHandle;
uint32_t uwPrescalerValue = 0;
Private variables
static void BSP_Config(void);
static void SystemClock_Config(void);
void BSP_Background(void);
extern void MainTask(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
SystemClock_Config();
uwPrescalerValue = (uint32_t) ((SystemCoreClock /2) / 10000) - 1;
TimHandle.Instance = TIM3;
/* ... */
TimHandle.Init.Period = 1000 - 1;
TimHandle.Init.Prescaler = uwPrescalerValue;
TimHandle.Init.ClockDivision = 0;
TimHandle.Init.CounterMode = TIM_COUNTERMODE_UP;
TimHandle.Init.AutoReloadPreload = TIM_AUTORELOAD_PRELOAD_DISABLE;
if(HAL_TIM_Base_Init(&TimHandle) != HAL_OK)
{
while(1)
{
}while (1) { ... }
}if (HAL_TIM_Base_Init(&TimHandle) != HAL_OK) { ... }
if(HAL_TIM_Base_Start_IT(&TimHandle) != HAL_OK)
{
while(1)
{
}while (1) { ... }
}if (HAL_TIM_Base_Start_IT(&TimHandle) != HAL_OK) { ... }
...
BSP_Config();
GUI_Init();
GUI_Initialized = 1;
WM_SetCreateFlags(WM_CF_MEMDEV);
MainTask();
for(;;);
}{ ... }
/* ... */
void HAL_TIM_PeriodElapsedCallback(TIM_HandleTypeDef *htim)
{
BSP_Background();
}{ ... }
/* ... */
void HAL_TIM_Base_MspInit(TIM_HandleTypeDef *htim)
{
__HAL_RCC_TIM3_CLK_ENABLE();
HAL_NVIC_SetPriority(TIM3_IRQn, 0, 1);
HAL_NVIC_EnableIRQ(TIM3_IRQn);
}{ ... }
/* ... */
static void BSP_Config(void)
{
BSP_LED_Init(LED3);
BSP_LED_Init(LED4);
__HAL_RCC_CRC_CLK_ENABLE();
}{ ... }
/* ... */
void BSP_Background(void)
{
BSP_LED_Toggle(LED3);
BSP_LED_Toggle(LED4);
}{ ... }
/* ... */
static void SystemClock_Config(void)
{
RCC_ClkInitTypeDef RCC_ClkInitStruct;
RCC_OscInitTypeDef RCC_OscInitStruct;
HAL_StatusTypeDef ret = HAL_OK;
__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 = 200;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLR = 2;
ret = HAL_RCC_OscConfig(&RCC_OscInitStruct);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
/* ... */
RCC_ClkInitStruct.ClockType = (RCC_CLOCKTYPE_SYSCLK | RCC_CLOCKTYPE_HCLK | RCC_CLOCKTYPE_PCLK1 | RCC_CLOCKTYPE_PCLK2);
RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_PLLCLK;
RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;
RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV2;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV1;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_3);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
#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) { ... }
/* ... */#endifPrivate functions