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Dependencies:   mbed

Communication/RS485/RS485.cpp

Committer:
M_souta
Date:
2019-08-27
Revision:
20:eae8c84f318c
Parent:
0:669ef71cba68
Child:
21:e3b58d675c1c

File content as of revision 20:eae8c84f318c:

#include "RS485.h"
#include "mbed.h"
#include "ActuatorHub/ActuatorHub.h"
#include "../../LED/LED.h"
#include "../../System/Using.h"

namespace RS485 {
    DigitalOut selectBitT(SELECTBIT_T_PIN);
    DigitalOut selectBitR(SELECTBIT_R_PIN);
    Serial RS485Uart(RS485UART_TX, RS485UART_RX);
    Serial RS485Line(RS485LINE_TX, RS485LINE_RX);

    void Transmit();
    void Recieve();

    void RS485::Initialize() {
        selectBitT = 1;  //送信固定
        selectBitR = 0;  //受信固定
        RS485Uart.baud(38400);
        RS485Uart.attach(Transmit, Serial::TxIrq);  //送信割り込み
        RS485Line.baud(38400);
        RS485Line.attach(Recieve, Serial::RxIrq);  //受信割り込み
    }

    void Transmit() {
        __disable_irq();
        static uint8_t count = 0;
        RS485Uart.putc(RS485SendBuffer.GetData());
        if(count >= 200) {
            #ifdef USE_MOTOR
            LED_DEBUG2 = !LED_DEBUG2;
            #endif

            count = 0;
        } else count++;
        __enable_irq();
    }
    
    void Recieve() {
        static uint8_t count = 0;
        __disable_irq();
        char data = RS485Line.getc();
        if(count >= 200) {
            LED_DEBUG1 = !LED_DEBUG1;
            count = 0;
        } else count++;
        __enable_irq();
    }
}