實驗現象:
用電壓表測量PA4引腳有2.0V直流電壓輸出。
核心程式碼:
int main(void) { /* USER CODE BEGIN 1 */ /* USER CODE END 1 */ /* MCU Configuration----------------------------------------------------------*/ /* Reset of all peripherals, Initializes the Flash interface and the Systick. */ HAL_Init(); /* USER CODE BEGIN Init */ /* USER CODE END Init */ /* Configure the system clock */ SystemClock_Config(); /* USER CODE BEGIN SysInit */ /* USER CODE END SysInit */ /* Initialize all configured peripherals */ MX_GPIO_Init(); MX_DAC_Init(); /* USER CODE BEGIN 2 */ LED_GREEN_ON; HAL_DAC_Start(&hdac, DAC_CHANNEL_1); //¿ªÆôDACͨµÀ1 dac1.set_voltage(2.0); /* USER CODE END 2 */ /* Infinite loop */ /* USER CODE BEGIN WHILE */ while (1) { /* USER CODE END WHILE */ /* USER CODE BEGIN 3 */ } /* USER CODE END 3 */ }
原始碼下載連結:
連結:http://pan.baidu.com/s/1dFD4z09 密碼:m711
iCore4連結: