Ljubivoj Cvitas
/
SerialMBEDtoMSP430
TVZ test
main.cpp
- Committer:
- cvitas
- Date:
- 2014-01-07
- Revision:
- 0:5918d7a4ad04
- Child:
- 1:abeac322d8d8
File content as of revision 0:5918d7a4ad04:
#include "mbed.h" Serial async_port(p9, p10); //set up TX and RX on pins 9 and 10 DigitalOut red_led(LED4); //red led DigitalOut green_led(LED3); //green led DigitalOut RXDIN (LED1); DigitalOut strobe(p7); //a strobe to trigger the scope DigitalIn switch_ip1(p5); DigitalIn switch_ip2(p6); char switch_word ; //the word we will send char recd_val; //the received value int valueADC; char Outbuff[2]; char Inbuff[2]; int main() { async_port.baud(9600); //set baud rate to 9600 (ie default) //accept default format, of 8 bits, no parity while (1){ //Set up the word to be sent, by testing switch inputs switch_word=0xa0; //set up a recognisable output pattern if (switch_ip1==1) switch_word=switch_word|0x01; //OR in lsb if (switch_ip2==1) switch_word=switch_word|0x02; //OR in next lsb strobe =1; //short strobe pulse wait_us(10); strobe=0; valueADC = 0x0302; Outbuff[0] = valueADC; Outbuff[1] = valueADC >> 8; while (async_port.writeable()==0); //is there a place to write? async_port.putc(Outbuff[1]); //transmit switch_word while (async_port.writeable()==0); //is there a place to write? async_port.putc(Outbuff[0]); //transmit switch_word while (async_port.writeable()==0); //is there a place to write? async_port.putc(switch_word); //transmit switch_word if (async_port.readable()==1){ //is there a character to be read? Inbuff[1] = async_port.getc(); //if yes, t } if (async_port.readable()==1){ //is there a character to be read? Inbuff[0] = async_port.getc(); //if yes, t } if (async_port.readable()==1){ //is there a character to be read? recd_val=async_port.getc(); //if yes, t RXDIN = 1; } wait(0.01); //set leds according to incoming word from slave red_led=0; //preset both to 0 green_led=0; recd_val=recd_val&0x03; //AND out unwanted bits if (recd_val==1) red_led=1; if (recd_val==2) green_led=1; if (recd_val==3){ red_led=1; green_led=1; } wait(0.5); RXDIN = 0; } }