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matrix is working

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This commit is contained in:
Wolfgang Hottgenroth 2019-01-24 10:44:12 +01:00
parent fb0cfc87bd
commit be38a8b7d0
Signed by: wn
GPG Key ID: B586EAFCDF2F65F4
1 changed files with 147 additions and 4 deletions
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151
led.c
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@ -11,14 +11,157 @@
#include <stdlib.h>
/*
row0: P1.3
row1: P1.4
row2: P1.5
row3: P1.7
*/
static inline void selectRow(uint8_t row) {
switch (row) {
case 0:
P1DIR &= ~(BIT3 | BIT4 | BIT7);
P1OUT &= ~(BIT3 | BIT4 | BIT7);
P1DIR |= BIT2;
P1OUT |= BIT2;
break;
case 1:
P1DIR &= ~(BIT2 | BIT4 | BIT7);
P1OUT &= ~(BIT2 | BIT4 | BIT7);
P1DIR |= BIT3;
P1OUT |= BIT3;
break;
case 2:
P1DIR &= ~(BIT2 | BIT3 | BIT7);
P1OUT &= ~(BIT2 | BIT3 | BIT7);
P1DIR |= BIT4;
P1OUT |= BIT4;
break;
case 3:
P1DIR &= ~(BIT2 | BIT3 | BIT4);
P1OUT &= ~(BIT2 | BIT3 | BIT4);
P1DIR |= BIT7;
P1OUT |= BIT7;
break;
}
}
/*
col0, blue: P1.5
col0, red: P2.0
col1, blue: P2.2
col1, red: P2.1
col2, blue: P2.4
col2, red: P2.3
col3, blue: P2.5
col3, red: P1.6
*/
typedef enum { BLUE = 0, RED = 1 } tColor;
void selectCol(uint8_t column, tColor color) {
if (color == BLUE) {
switch (column) {
case 0:
P1DIR &= ~(BIT6);
P1OUT &= ~(BIT6);
P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
P1DIR |= BIT5;
P1OUT &= ~BIT5;
break;
case 1:
P1DIR &= ~(BIT5 | BIT6);
P1OUT &= ~(BIT5 | BIT6);
P2DIR &= ~(BIT0 | BIT1 | BIT4 | BIT3 | BIT5);
P2OUT &= ~(BIT0 | BIT1 | BIT4 | BIT3 | BIT5);
P2DIR |= BIT2;
P2OUT &= ~BIT2;
break;
case 2:
P1DIR &= ~(BIT5 | BIT6);
P1OUT &= ~(BIT5 | BIT6);
P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT5);
P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT5);
P2DIR |= BIT4;
P2OUT &= ~BIT4;
break;
case 3:
P1DIR &= ~(BIT5 | BIT6);
P1OUT &= ~(BIT5 | BIT6);
P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT4);
P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT3 | BIT4);
P2DIR |= BIT5;
P2OUT &= ~BIT5;
break;
}
} else {
switch (column) {
case 0:
P1DIR &= ~(BIT5 | BIT6);
P1OUT &= ~(BIT5 | BIT6);
P2DIR &= ~(BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
P2OUT &= ~(BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
P2DIR |= BIT0;
P2OUT &= ~BIT0;
break;
case 1:
P1DIR &= ~(BIT5 | BIT6);
P1OUT &= ~(BIT5 | BIT6);
P2DIR &= ~(BIT0 | BIT2 | BIT4 | BIT3 | BIT5);
P2OUT &= ~(BIT0 | BIT2 | BIT4 | BIT3 | BIT5);
P2DIR |= BIT1;
P2OUT &= ~BIT1;
break;
case 2:
P1DIR &= ~(BIT5 | BIT6);
P1OUT &= ~(BIT5 | BIT6);
P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT5);
P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT5);
P2DIR |= BIT3;
P2OUT &= ~BIT3;
break;
case 3:
P1DIR &= ~(BIT5);
P1OUT &= ~(BIT5);
P2DIR &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
P2OUT &= ~(BIT0 | BIT2 | BIT1 | BIT4 | BIT3 | BIT5);
P1DIR |= BIT6;
P1OUT &= ~BIT6;
break;
}
}
}
void ledExec() {
P1OUT ^= BIT0;
static uint8_t rowNum = 0;
static uint8_t colNum = 0;
static tColor color = BLUE;
selectRow(rowNum);
selectCol(colNum, color);
if (color == BLUE) {
color = RED;
} else {
color = BLUE;
rowNum++;
if (rowNum > 3) {
rowNum = 0;
colNum++;
if (colNum > 3) {
colNum = 0;
}
}
}
}
void ledInit() {
P1DIR |= BIT0;
P1OUT &= ~BIT0;
//selectRow(0);
//selectCol(0, BLUE);
schAdd(ledExec, NULL, 0, 100);
schAdd(ledExec, NULL, 0, 10);
}