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/*
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/*
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see README.txt for details.
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see README.txt for details.
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chris <cliechti@gmx.net>
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chris <cliechti@gmx.net>
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*/
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*/
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#include "omsp_system.h"
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#include "hardware.h"
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#include "hardware.h"
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#include <stdlib.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdio.h>
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#include "swuart.h"
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#include "swuart.h"
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//#include "fll.h"
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#include "cprintf.h"
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volatile int rxdata;
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volatile int rxdata;
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/**
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/**
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Delay function.
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Delay function.
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*/
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*/
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void delay(unsigned int d) {
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void delay(unsigned int d) {
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while(d--) {
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while(d--) {
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nop();
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__nop();
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nop();
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__nop();
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}
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}
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}
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}
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/**
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/**
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Main function with init an an endless loop that is synced with the
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Main function with init an an endless loop that is synced with the
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CCTL2 = 0; //
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CCTL2 = 0; //
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TACTL |= MC1; //start timer
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TACTL |= MC1; //start timer
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eint(); //enable interrupts
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eint(); //enable interrupts
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printf("\r\n====== openMSP430 in action ======\r\n"); //say hello
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cprintf("\r\n====== openMSP430 in action ======\r\n"); //say hello
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printf("\r\nSimple Line Editor Ready\r\n"); //say hello
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cprintf("\r\nSimple Line Editor Ready\r\n"); //say hello
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while (1) { //main loop, never ends...
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while (1) { //main loop, never ends...
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printf("> "); //show prompt
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cprintf("> "); //show prompt
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reading = 1;
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reading = 1;
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while (reading) { //loop and read characters
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while (reading) { //loop and read characters
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LPM0; //sync, wakeup by irq
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LPM0; //sync, wakeup by irq
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led++; // Some lighting...
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led++; // Some lighting...
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Line 78... |
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switch (rxdata) {
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switch (rxdata) {
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//process RETURN key
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//process RETURN key
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case '\r':
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case '\r':
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//case '\n':
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//case '\n':
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printf("\r\n"); //finish line
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cprintf("\r\n"); //finish line
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buf[pos++] = 0; //to use printf...
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buf[pos++] = 0; //to use cprintf...
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printf(":%s\r\n", buf);
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cprintf(":%s\r\n", buf);
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reading = 0; //exit read loop
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reading = 0; //exit read loop
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pos = 0; //reset buffer
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pos = 0; //reset buffer
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break;
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break;
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//backspace
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//backspace
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case '\b':
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case '\b':
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if (pos > 0) { //is there a char to delete?
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if (pos > 0) { //is there a char to delete?
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pos--; //remove it in buffer
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pos--; //remove it in buffer
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putchar((int)'\b'); //go back
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tty_putc((int)'\b'); //go back
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putchar((int)' '); //erase on screen
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tty_putc((int)' '); //erase on screen
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putchar((int)'\b'); //go back
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tty_putc((int)'\b'); //go back
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}
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}
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break;
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break;
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//other characters
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//other characters
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default:
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default:
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//only store characters if buffer has space
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//only store characters if buffer has space
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if (pos < sizeof(buf)) {
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if (pos < sizeof(buf)) {
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putchar(rxdata); //echo
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tty_putc(rxdata); //echo
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buf[pos++] = (char)rxdata; //store
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buf[pos++] = (char)rxdata; //store
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}
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}
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}
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}
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}
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}
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}
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}
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