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/* ... */
#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;
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_USER, BUTTON_MODE_EXTI);
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;
#if defined(USE_STM32469I_DISCO_REVA)
RCC_OscInitStruct.PLL.PLLM = 25;
#else
RCC_OscInitStruct.PLL.PLLM = 8;
#endif
RCC_OscInitStruct.PLL.PLLN = 360;
RCC_OscInitStruct.PLL.PLLP = RCC_PLLP_DIV2;
RCC_OscInitStruct.PLL.PLLQ = 7;
RCC_OscInitStruct.PLL.PLLR = 6;
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)
{
static TIM_HandleTypeDef htim;
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
/* ... */
/* ... */