168 lines
4.3 KiB
C
168 lines
4.3 KiB
C
/*
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* led.c
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*
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* Created on: Jan 24, 2019
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* Author: wn
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*/
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#include "led.h"
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#include "PontCoopScheduler.h"
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#include <msp430g2553.h>
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#include <stdlib.h>
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/*
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row0: P1.3
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row1: P1.4
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row2: P1.5
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row3: P1.7
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*/
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static inline void selectRow(uint8_t row) {
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switch (row) {
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case 0:
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P1DIR &= ~(BIT3 | BIT4 | BIT7);
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P1OUT &= ~(BIT3 | BIT4 | BIT7);
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P1DIR |= BIT2;
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P1OUT |= BIT2;
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break;
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case 1:
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P1DIR &= ~(BIT2 | BIT4 | BIT7);
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P1OUT &= ~(BIT2 | BIT4 | BIT7);
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P1DIR |= BIT3;
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P1OUT |= BIT3;
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break;
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case 2:
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P1DIR &= ~(BIT2 | BIT3 | BIT7);
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P1OUT &= ~(BIT2 | BIT3 | BIT7);
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P1DIR |= BIT4;
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P1OUT |= BIT4;
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break;
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case 3:
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P1DIR &= ~(BIT2 | BIT3 | BIT4);
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P1OUT &= ~(BIT2 | BIT3 | BIT4);
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P1DIR |= BIT7;
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P1OUT |= BIT7;
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break;
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}
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}
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/*
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col0, blue: P1.5
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col0, red: P2.0
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col1, blue: P2.2
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col1, red: P2.1
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col2, blue: P2.4
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col2, red: P2.3
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col3, blue: P2.5
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col3, red: P1.6
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*/
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typedef enum { BLUE = 0, RED = 1 } tColor;
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void selectCol(uint8_t column, tColor color) {
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if (color == BLUE) {
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switch (column) {
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case 0:
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P1DIR &= ~(BIT6);
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P1OUT &= ~(BIT6);
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P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
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P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
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P1DIR |= BIT5;
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P1OUT &= ~BIT5;
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break;
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case 1:
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P1DIR &= ~(BIT5 | BIT6);
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P1OUT &= ~(BIT5 | BIT6);
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P2DIR &= ~(BIT0 | BIT1 | BIT4 | BIT3 | BIT5);
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P2OUT &= ~(BIT0 | BIT1 | BIT4 | BIT3 | BIT5);
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P2DIR |= BIT2;
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P2OUT &= ~BIT2;
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break;
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case 2:
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P1DIR &= ~(BIT5 | BIT6);
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P1OUT &= ~(BIT5 | BIT6);
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P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT5);
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P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT5);
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P2DIR |= BIT4;
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P2OUT &= ~BIT4;
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break;
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case 3:
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P1DIR &= ~(BIT5 | BIT6);
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P1OUT &= ~(BIT5 | BIT6);
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P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT4);
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P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT4);
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P2DIR |= BIT5;
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P2OUT &= ~BIT5;
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break;
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}
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} else {
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switch (column) {
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case 0:
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P1DIR &= ~(BIT5 | BIT6);
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P1OUT &= ~(BIT5 | BIT6);
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P2DIR &= ~(BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
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P2OUT &= ~(BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
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P2DIR |= BIT0;
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P2OUT &= ~BIT0;
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break;
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case 1:
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P1DIR &= ~(BIT5 | BIT6);
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P1OUT &= ~(BIT5 | BIT6);
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P2DIR &= ~(BIT0 | BIT2 | BIT4 | BIT3 | BIT5);
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P2OUT &= ~(BIT0 | BIT2 | BIT4 | BIT3 | BIT5);
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P2DIR |= BIT1;
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P2OUT &= ~BIT1;
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break;
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case 2:
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P1DIR &= ~(BIT5 | BIT6);
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P1OUT &= ~(BIT5 | BIT6);
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P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT5);
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P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT5);
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P2DIR |= BIT3;
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P2OUT &= ~BIT3;
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break;
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case 3:
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P1DIR &= ~(BIT5);
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P1OUT &= ~(BIT5);
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P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
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P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
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P1DIR |= BIT6;
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P1OUT &= ~BIT6;
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break;
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}
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}
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}
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void ledExec() {
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static uint8_t rowNum = 0;
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static uint8_t colNum = 0;
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static tColor color = BLUE;
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selectRow(rowNum);
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selectCol(colNum, color);
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if (color == BLUE) {
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color = RED;
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} else {
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color = BLUE;
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rowNum++;
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if (rowNum > 3) {
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rowNum = 0;
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colNum++;
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if (colNum > 3) {
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colNum = 0;
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}
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}
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}
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}
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void ledInit() {
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//selectRow(0);
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//selectCol(0, BLUE);
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schAdd(ledExec, NULL, 0, 10);
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}
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