Marek Trojan / Mbed 2 deprecated _8_CONV_2_MASTER

program for conv2

Dependencies:   mbed

Fork of I2C_HelloWorld_Mbed by mbed official

main.cpp

Committer:
marcus255
Date:
2015-12-01
Revision:
4:35e714396141
Parent:
3:df6232c70efd
Child:
5:759439e9e976

File content as of revision 4:35e714396141:

// Conv2 Master
#include "main.h"
    
int main() {   
    init();
    //conv2.printf("conv2 says: Hello World!\n\r");
    while (1) {}
} 

void onUartChar(){ 
    NVIC_DisableIRQ(UART0_IRQn);
    if (conv2.getc() == DATA_TO_WRITE_CHAR){
        char received = conv2.getc();
        //conv2.putc(received);
        if (received  == SLAVE_ADDR){  // writing to slave
            if (!transmission) {
                i2c.start();
                transmission = 1;
            }
            if (i2c.write((int)received))
                conv2.putc(UART_CONFIRMATION_CHAR);
            else {
                conv2.putc(UART_NON_CONFIRMATION_CHAR);
            }
            while (conv2.getc() == DATA_TO_WRITE_CHAR){
                received = conv2.getc();
                if (i2c.write((int)received))
                    conv2.putc(UART_CONFIRMATION_CHAR);
                else {
                    conv2.putc(UART_NON_CONFIRMATION_CHAR);
                    break;
                }
            }
        }
        else if (received  == (SLAVE_ADDR | 0x01)){ // reading from slave
            char rec;
            if (!transmission) {
                i2c.start();
                transmission = 1;
            }
            if (i2c.write((int)rec))
                conv2.putc(UART_CONFIRMATION_CHAR);
            else {
                conv2.putc(UART_NON_CONFIRMATION_CHAR);
            }
            while (conv2.getc() == DATA_TO_READ_CHAR){
                rec = (char)i2c.read(1);
                conv2.putc(UART_CHAR_INCOMING);         
                conv2.putc(rec);     
            }
            
        }/*
        else{
            conv2.putc((char)0x12);    
        }   */   
    }     
                
     /*                         
    while (conv2.getc() == DATA_TO_WRITE_CHAR){
        char received = conv2.getc();
        if (received & 0x01 == 0x00){ // writing to slave
            if (!transmission) {
                i2c.start();
                transmission = 1;
                }
            if (i2c.write((int)received))
                conv2.putc(UART_CONFIRMATION_CHAR);
            else {
                conv2.putc(UART_NON_CONFIRMATION_CHAR);
                break;
            }
        }
        else if (received & 0x01 == 0x01){ // reading from slave
            
        }
        else{}
        
    } */
    /*if (first_rec == DATA_TO_READ_CHAR){
        char sec_rec = conv2.getc();
        if (i2c.write((int)sec_rec))
            conv2.putc(UART_CONFIRMATION_CHAR);
        else {
            conv2.putc(UART_NON_CONFIRMATION_CHAR);
            break;
        }
        while (conv2.getc()) == DATA_TO_READ_CHAR){
            
        }
    }*/
    i2c.stop();  
    transmission = 0;
    NVIC_EnableIRQ(UART0_IRQn); 
}

void init(void){
    i2c.frequency(100000);
    conv2.baud(921600);
    conv2.attach(&onUartChar);    
}