485io_init.c

来自「基于Cortex-M3的全自动焊接机」· C语言 代码 · 共 23 行

#include  <hw_types.h>
#include  <hw_memmap.h>
#include  <hw_sysctl.h>
#include  <hw_gpio.h>
#include  <sysctl.h>
#include  <gpio.h>
#include "uart_servo_485.h"
#include "define.h"

void init_servo_485(void)
{
    SysCtlPeriEnable(servo485_enable_ctrl_port);
    GPIOPinTypeOut(servo485_enable_ctrl_port_base,servo485_enable_pin);
}
void exchange_485_send(void)
{
    GPIOPinWrite(servo485_enable_ctrl_port_base,servo485_enable_pin,servo485_enable_pin_low);
}

void exchange_485_recv(void)
{
     GPIOPinWrite(servo485_enable_ctrl_port_base,servo485_enable_pin,servo485_enable_pin_high);
}