1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
31
32
33
34
43
50
51
52
57
58
59
60
61
62
63
64
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
105
106
107
108
109
110
111
112
119
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
182
183
184
185
189
190
191
192
193
194
195
196
197
198
202
203
204
209
218
219
220
221
222
227
228
229
230
231
232
237
238
239
244
245
246
251
252
253
254
259
260
261
262
263
264
269
270
271
276
277
278
283
284
285
290
291
292
297
298
299
300
301
302
303
304
305
306
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
357
358
359
362
363
/* ... */
#include "main.h"
/* ... */
/* ... */
Includes
DAC_HandleTypeDef DacHandle;
static DAC_ChannelConfTypeDef sConfig;
const uint8_t aEscalator8bit[6] = {0x0, 0x33, 0x66, 0x99, 0xCC, 0xFF};
__IO uint8_t ubSelectedWavesForm = 1;
__IO uint8_t ubKeyPressed = SET;
TIM_HandleTypeDef htim;
Private variables
static void DAC_Ch1_TriangleConfig(void);
static void DAC_Ch1_EscalatorConfig(void);
static void TIM6_Config(void);
static void SystemClock_Config(void);
static void Error_Handler(void);
Private function prototypes
/* ... */
int main(void)
{
/* ... */
HAL_Init();
SystemClock_Config();
BSP_LED_Init(LED3);
BSP_PB_Init(BUTTON_TAMPER, BUTTON_MODE_EXTI);
BSP_IO_Init();
BSP_IO_ConfigPin(RSTI_PIN, IO_MODE_OUTPUT);
BSP_IO_ConfigPin(XSDN_PIN, IO_MODE_OUTPUT);
BSP_IO_WritePin(XSDN_PIN, BSP_IO_PIN_RESET);
BSP_IO_WritePin(RSTI_PIN, BSP_IO_PIN_RESET);
DacHandle.Instance = DACx;
TIM6_Config();
while (1)
{
if (ubKeyPressed != RESET)
{
HAL_DAC_DeInit(&DacHandle);
if (ubSelectedWavesForm == 1)
{
DAC_Ch1_TriangleConfig();
}if (ubSelectedWavesForm == 1) { ... }
else
{
DAC_Ch1_EscalatorConfig();
}else { ... }
ubKeyPressed = RESET;
}if (ubKeyPressed != RESET) { ... }
}while (1) { ... }
}{ ... }
/* ... */
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_ON;
RCC_OscInitStruct.PLL.PLLState = RCC_PLL_ON;
RCC_OscInitStruct.PLL.PLLSource = RCC_PLLSOURCE_HSE;
RCC_OscInitStruct.PLL.PLLM = 25;
RCC_OscInitStruct.PLL.PLLN = 360;
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) { ... }
ret = HAL_PWREx_EnableOverDrive();
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_DIV4;
RCC_ClkInitStruct.APB2CLKDivider = RCC_HCLK_DIV2;
ret = HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_5);
if(ret != HAL_OK)
{
while(1) { ; }
}if (ret != HAL_OK) { ... }
}{ ... }
/* ... */
static void Error_Handler(void)
{
BSP_LED_On(LED3);
while(1)
{
}while (1) { ... }
}{ ... }
static void DAC_Ch1_EscalatorConfig(void)
{
if (HAL_DAC_Init(&DacHandle) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_Init(&DacHandle) != HAL_OK) { ... }
sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
if (HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DACx_CHANNEL) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DACx_CHANNEL) != HAL_OK) { ... }
if (HAL_DAC_Start_DMA(&DacHandle, DACx_CHANNEL, (uint32_t *)aEscalator8bit, 6, DAC_ALIGN_8B_R) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_Start_DMA(&DacHandle, DACx_CHANNEL, (uint32_t *)aEscalator8bit, 6, DAC_ALIGN_8B_R) != HAL_OK) { ... }
}{ ... }
/* ... */
static void DAC_Ch1_TriangleConfig(void)
{
if (HAL_DAC_Init(&DacHandle) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_Init(&DacHandle) != HAL_OK) { ... }
sConfig.DAC_Trigger = DAC_TRIGGER_T6_TRGO;
sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
if (HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DACx_CHANNEL) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_ConfigChannel(&DacHandle, &sConfig, DACx_CHANNEL) != HAL_OK) { ... }
if (HAL_DACEx_TriangleWaveGenerate(&DacHandle, DACx_CHANNEL, DAC_TRIANGLEAMPLITUDE_1023) != HAL_OK)
{
Error_Handler();
}if (HAL_DACEx_TriangleWaveGenerate(&DacHandle, DACx_CHANNEL, DAC_TRIANGLEAMPLITUDE_1023) != HAL_OK) { ... }
if (HAL_DAC_Start(&DacHandle, DACx_CHANNEL) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_Start(&DacHandle, DACx_CHANNEL) != HAL_OK) { ... }
if (HAL_DAC_SetValue(&DacHandle, DACx_CHANNEL, DAC_ALIGN_12B_R, 0x100) != HAL_OK)
{
Error_Handler();
}if (HAL_DAC_SetValue(&DacHandle, DACx_CHANNEL, DAC_ALIGN_12B_R, 0x100) != HAL_OK) { ... }
}{ ... }
/* ... */
void HAL_GPIO_EXTI_Callback(uint16_t GPIO_Pin)
{
ubKeyPressed = 1;
ubSelectedWavesForm = !ubSelectedWavesForm;
}{ ... }
/* ... */
void TIM6_Config(void)
{
TIM_MasterConfigTypeDef sMasterConfig;
htim.Instance = TIM6;
htim.Init.Period = 0x7FF;
htim.Init.Prescaler = 0;
htim.Init.ClockDivision = 0;
htim.Init.CounterMode = TIM_COUNTERMODE_UP;
htim.Init.RepetitionCounter = 0;
HAL_TIM_Base_Init(&htim);
sMasterConfig.MasterOutputTrigger = TIM_TRGO_UPDATE;
sMasterConfig.MasterSlaveMode = TIM_MASTERSLAVEMODE_DISABLE;
HAL_TIMEx_MasterConfigSynchronization(&htim, &sMasterConfig);
HAL_TIM_Base_Start(&htim);
}{ ... }
#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
/* ... */
/* ... */