#include "myusart.h"
#include "string.h"
#include "stdio.h"
uint8_t USART1_RX_BUF[USART1_REC_LEN];//½ÓÊÕ»º³å,×î´óUSART_REC_LEN¸ö×Ö½Ú.
uint16_t USART1_RX_STA=0;//½ÓÊÕ״̬±ê¼Ç//bit15£º½ÓÊÕÍê³É±êÖ¾£¬bit14£º½ÓÊÕµ½0x0d£¬bit13~0£º½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿
uint8_t USART1_NewData;//µ±Ç°´®¿ÚÖжϽÓÊÕµÄ1¸ö×Ö½ÚÊý¾ÝµÄ»º´æ
uint32_t hex_to_decimal(uint8_t *hex_array, uint16_t length);
char receivedHex[3] = {0}; // ´æ´¢½ÓÊÕµ½µÄÁ½¸ö16½øÖÆ×Ö·ûºÍÒ»¸ö½áÊø·û
uint8_t USART2_RX_BUF[USART2_REC_LEN];//½ÓÊÕ»º³å,×î´óUSART_REC_LEN¸ö×Ö½Ú.
uint16_t USART2_RX_STA=0;//½ÓÊÕ״̬±ê¼Ç//bit15£º½ÓÊÕÍê³É±êÖ¾£¬bit14£º½ÓÊÕµ½0x0d£¬bit13~0£º½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿
uint8_t USART2_NewData;//µ±Ç°´®¿ÚÖжϽÓÊÕµÄ1¸ö×Ö½ÚÊý¾ÝµÄ»º´æ
uint8_t RS485orBT;//µ±RS485orBT±ê־λΪ1ʱÊÇRS485ģʽ£¬Îª0ʱÊÇÀ¶ÑÀģʽ
uint8_t USART3_RX_BUF[USART3_REC_LEN];//½ÓÊÕ»º³å,×î´óUSART_REC_LEN¸ö×Ö½Ú.
uint16_t USART3_RX_STA=0;//½ÓÊÕ״̬±ê¼Ç//bit15£º½ÓÊÕÍê³É±êÖ¾£¬bit14£º½ÓÊÕµ½0x0d£¬bit13~0£º½ÓÊÕµ½µÄÓÐЧ×Ö½ÚÊýÄ¿
uint8_t USART3_NewData;//µ±Ç°´®¿ÚÖжϽÓÊÕµÄ1¸ö×Ö½ÚÊý¾ÝµÄ»º´æ
int decimalNumber=0;
int i=0;
int fputc(int ch, FILE *f)
{
HAL_UART_Transmit(&huart1, (uint8_t *)&ch, 1, 0xffff);
return ch;
}
int fgetc(FILE *f)
{
uint8_t ch = 0;
HAL_UART_Receive(&huart1, &ch, 1, 0xffff);
return ch;
}
uint8_t My_RXData;
void HAL_UART_RxCpltCallback(UART_HandleTypeDef *huart)//´®¿ÚÖжϻص÷º¯Êý
{
if(huart ==&huart1)//ÅжÏÖжÏÀ´Ô´£¨´®¿Ú1£ºUSBת´®¿Ú£©
{
My_RXData = USART1_NewData;
HAL_UART_Receive_IT(&huart1,(uint8_t *)&USART1_NewData,1); //ÔÙ¿ªÆô½ÓÊÕÖжÏ
}
```c
#include "dac711.h"
#include "string.h"
#include "stdio.h"
uint16_t cnum;
void delay(uint8_t us)
{
for(; us !=0; us--);
}
void DAC7311_Init(void)
{
AO1_SYNC_H();
AO1_SCLK_L();
}
void AO1_Write(uint16_t Data)
{
uint8_t temp;
uint8_t ui;
temp=Data << 2;//7311ÐèÒªÒÆÁ½Î»
temp &= 0x3FFF;//Ñ¡ÔñģʽΪNormal
AO1_SYNC_H();
AO1_SCLK_H();
delay(10);
AO1_SYNC_L();//ʹÄÜÊäÈëÒÆλ¼Ä´æÆ÷
delay(10);
for(ui=0; ui<16; ui++)
{
AO1_SCLK_H();
if(0x8000 == (temp & 0x8000))
{
AO1_DIN_H();
}
else
{
AO1_DIN_L();
}
delay(10);
AO1_SCLK_L();
delay(10);
temp <<=1;
}
AO1_SYNC_H();
}
```c
#include "main.h"
#include "tim.h"
#include "usart.h"
#include "gpio.h"
/* Private includes ----------------------------------------------------------*/
/* USER CODE BEGIN Includes */
#include "dac711.h"
#include "myusart.h"
/* USER CODE END Includes */
/* Private typedef -----------------------------------------------------------*/
/* USER CODE BEGIN PTD */
/* USER CODE END PTD */
/* Private define ------------------------------------------------------------*/
/* USER CODE BEGIN PD */
extern uint8_t USART1_NewData;
extern uint8_t My_RXData;
/* USER CODE END PD */
/* Private macro -------------------------------------------------------------*/
/* USER CODE BEGIN PM */
/* USER CODE END PM */
/* Private variables ---------------------------------------------------------*/
/* USER CODE BEGIN PV */
/* USER CODE END PV */
/* Private function prototypes -----------------------------------------------*/
void SystemClock_Config(void);
/* USER CODE BEGIN PFP */
/* USER CODE END PFP */
/* Private user code ---------------------------------------------------------*/
/* USER CODE BEGIN 0 */
/* USER CODE END 0 */
/**
* @brief The application entry point.
* @retval int
*/
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_USART1_UART_Init();
MX_USART2_UART_Init();
MX_USART3_UART_Init();
MX_TIM2_Init();
/* USER CODE BEGIN 2 */
DAC7311_Init();
HAL_UART_Receive_IT(&huart1,(uint8_t *)&USART1_NewData,1);
/* USER CODE END 2 */
/* Infinite loop */
/* USER CODE BEGIN WHILE */
while (1)
{
/* USER CODE END WHILE */
AO1_Write(My_RXData);
USART1_NewData = 0;
/* USER CODE BEGIN 3 */
}
/* USER CODE END 3 */
}
```
```主函数代码中是USART1_NewData = 0还是My_RXData=0呢，My_RXData是8位数据，但是DAC函数中AO1_Write是16位数据，直接写AO1_Write(My_RXData)会有问题吗，有的话怎么把8位转换成16位呢，这些代码能实现数据接收并写入DAC让DAC进行处理吗，详细解读一下代码
