46 lines
996 B
C++
46 lines
996 B
C++
#include "Kernel\Sys.h"
|
|
#include "Kernel\Task.h"
|
|
#include "Kernel\Interrupt.h"
|
|
#include "Device\SerialPort.h"
|
|
#include "Platform\stm32.h"
|
|
|
|
#define COM_DEBUG 0
|
|
|
|
// 打开串口
|
|
void SerialPort_Opening(SerialPort& sp)
|
|
{
|
|
auto& tx = sp.Ports[0];
|
|
auto& rx = sp.Ports[1];
|
|
|
|
// 串口引脚初始化
|
|
if(!tx) tx = new AlternatePort(sp.Pins[0]);
|
|
if(!rx) rx = new AlternatePort(sp.Pins[1]);
|
|
|
|
tx->Open();
|
|
rx->Open();
|
|
|
|
// 打开 UART 时钟。必须先打开串口时钟，才配置引脚
|
|
switch(sp.Index)
|
|
{
|
|
case COM1: RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); break;
|
|
case COM2: RCC_APB1PeriphClockCmd(RCC_APB1Periph_USART2, ENABLE); break;
|
|
default: break;
|
|
}
|
|
|
|
tx->AFConfig(Port::AF_1);
|
|
rx->AFConfig(Port::AF_1);
|
|
}
|
|
|
|
// 获取引脚
|
|
void SerialPort_GetPins(byte index, byte remap, Pin* txPin, Pin* rxPin)
|
|
{
|
|
*rxPin = *txPin = P0;
|
|
|
|
const Pin g_Uart_Pins[] = UART_PINS;
|
|
const Pin* p = g_Uart_Pins;
|
|
|
|
int n = index << 2;
|
|
*txPin = p[n];
|
|
*rxPin = p[n + 1];
|
|
}
|