Ljubivoj Cvitas
/
SerialCL
TVZ test
Fork of SerialMBEDtoMSP430 by
Diff: main.cpp
- Revision:
- 0:5918d7a4ad04
- Child:
- 1:abeac322d8d8
diff -r 000000000000 -r 5918d7a4ad04 main.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/main.cpp Tue Jan 07 14:12:18 2014 +0000 @@ -0,0 +1,66 @@ +#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; + } +}