#include <stdio.h>
#include "app.h"
#include "bsp.h"
#include "slpman_ec616.h"
#include "bsp_custom.h"
#include "pad_ec616.h"
#include "gpio_ec616.h"
#include "RTE_Device.h"
extern ARM_DRIVER_USART Driver_USART1;
//接收数据缓存数组
#define usart1_read_buff_len 1024
char usart1_read_buff[usart1_read_buff_len];
//串口状态标志变量
volatile char usart1_recv_timerout=0;
volatile char usart1_recv_complete=0;
volatile char usart1_send_complete=0;
void usart1_callback(uint32_t event)
{
if(event & ARM_USART_EVENT_RX_TIMEOUT)
{
usart1_recv_timerout = 1;
}
if(event & ARM_USART_EVENT_RECEIVE_COMPLETE)
{
usart1_recv_complete = 1;
}
if(event & ARM_USART_EVENT_SEND_COMPLETE)
{
usart1_send_complete = 1;
}
}
void main_entry(void)
{
int len=0;
BSP_CommonInit();//官方底层初始化函数,默认写上就可以
/*Initialize the USART driver */
Driver_USART1.Initialize(usart1_callback);
/*Power up the USART peripheral */
Driver_USART1.PowerControl(ARM_POWER_FULL);
/*Configure the USART to 115200 Bits/sec */
Driver_USART1.Control(ARM_USART_MODE_ASYNCHRONOUS |
ARM_USART_DATA_BITS_8 |
ARM_USART_PARITY_NONE |
ARM_USART_STOP_BITS_1 |
ARM_USART_FLOW_CONTROL_NONE, 115200);
//阻塞式发送数据(发完之后执行后面的程序)
Driver_USART1.SendPolling("11223344\r\n", 10);
//设置接收缓存
Driver_USART1.Receive(usart1_read_buff, usart1_read_buff_len);
while (1)
{
if (usart1_recv_timerout==1 || usart1_recv_complete==1)//串口接收到一条数据
{
usart1_recv_timerout = 0;
usart1_recv_complete = 0;
len = Driver_USART1.GetRxCount();//接收的数据个数
//发送数据(中断方式),不会阻塞到这里.
Driver_USART1.Send(usart1_read_buff, len);
while((usart1_send_complete == 0));//等待发送完成
usart1_send_complete = 0;
//设置接收缓存
Driver_USART1.Receive(usart1_read_buff, usart1_read_buff_len);
}
}
}
Driver_USART1.Send("00000000", 8);
Driver_USART1.Send("11111111", 8);
while((usart1_send_complete == 0));//等待发送完成