d95af918fa
lots of code copied over, things filled in to hopefully get the LED matrix lighting up. untested.
81 lines
1.4 KiB
C
81 lines
1.4 KiB
C
/*
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* ledprog.c: led programs
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*/
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#include "matrix.h"
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static uint32_t s[8] = {0};
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//static uint32_t t[8] = {0};
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//static uint32_t l[8] = {0};
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void lp_ribbon_init()
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{
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uint8_t i;
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for (i = 0; i < 8; i++) {
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s[i] = 0;
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}
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}
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void lp_ribbon_upward(uint16_t wait, uint16_t rate, uint8_t fade)
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{
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uint32_t i;
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uint32_t x;
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/*
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0: state
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1: timeout
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2: index
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*/
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switch (s[0]) {
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case 0: { // timeout
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if (!s[1]) {
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s[0]++;
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s[2] = 0;
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return;
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}
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s[1]--;
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break;
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}
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case 1: { // upward trails
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// rate delay
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if (!s[1]) {
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s[1] = rate;
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} else {
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s[1]--;
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break;
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}
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x = s[2]++;
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// are we done?
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if (x > sizeof(led_set.ribbon)) {
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s[0] = 0;
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s[1] = wait;
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break;
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}
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// fade in and up
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led_set.ribbon[x] = 0x40;
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if (x) led_set.ribbon[x - 1] = 0x70;
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if (x > 1) led_set.ribbon[x - 2] = 0xff;
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}
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}
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// fade out LEDs
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for (i = 0; i < sizeof(led_set.ribbon); i++) {
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if (led_set.ribbon[i] >= fade) {
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led_set.ribbon[i] -= fade;
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} else {
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led_set.ribbon[i] = 0;
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}
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}
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matrix_flag_update();
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} |