pwm.c: channels running - visible from the outside

[bike-lights.git] / firmware / pattern.c

diff --git a/firmware/pattern.c b/firmware/pattern.c
index 989009e6c237b55ebc8e3ba96fa1050753ce8b5d..55b64cc6e5bf23729d75c5a676c69708619999ff 100644 (file)
--- a/firmware/pattern.c
+++ b/firmware/pattern.c
@@ -1,40 +1,12 @@
 #include <avr/io.h>
+#include <stdlib.h> // for NULL
 
 #include "lights.h"
 
-typedef struct {
-       unsigned char mode: 3;
-       unsigned char duration: 5;
-} pattern_t;
-
 static unsigned char led_counters[N_LEDS];
 static pattern_t *led_patterns[N_LEDS];
 
-#define PATTERN_END { 0, 0 }
-pattern_t off_pattern[] = {
-       { 0, 0x1F },
-       PATTERN_END
-};
-
-pattern_t blink_pattern[] = {
-       { 1, 0x4 },
-       { 0, 0x8 },
-       PATTERN_END
-};
-
-pattern_t mode1_pattern[] = {
-       { 4, 0x1 },
-       { 0, 0x1 },
-       { 4, 0x1 },
-       { 0, 0x8 },
-       { 1, 0x1 },
-       { 0, 0x1 },
-       { 1, 0x1 },
-       { 0, 0x8 },
-       PATTERN_END
-};
-
-pattern_t boot_pattern[] = {
+static pattern_t boot_pattern[] = {
        { 1, 0x6 },
        { 0, 0x6 },
        { 1, 0x3 },
@@ -54,31 +26,60 @@ pattern_t boot_pattern[] = {
        PATTERN_END
 };
 
-pattern_t pattern_num[] = {
+static pattern_t pattern_num[] = {
+       { 0, 0x5 },
        { 1, 0x1 }, /* 10 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  9 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  8 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  7 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  6 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  5 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  4 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  3 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  2 */
-       { 0, 0x4 },
+       { 0, 0x5 },
        { 1, 0x1 }, /*  1 */
-       { 0, 0x1F },
+       { 0, 0xF },
        PATTERN_END
 };
 
-static unsigned char test_running;
+static pattern_t pattern_invnum[] = {
+       { 1, 0x5 },
+       { 0, 0x1 }, /* 10 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  9 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  8 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  7 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  6 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  5 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  4 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  3 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  2 */
+       { 1, 0x5 },
+       { 0, 0x1 }, /*  1 */
+       { 1, 0xF },
+       PATTERN_END
+};
+
+pattern_t off_pattern[] = {
+       { 0, 0x1 },
+       PATTERN_END
+};
 
 static void led_set_mode(unsigned char n, unsigned char mode)
 {
@@ -95,40 +96,81 @@ void led_set_pattern(unsigned char n, pattern_t *pattern)
                pattern = off_pattern;
 
        led_patterns[n] = pattern;
+
        led_counters[n] = pattern->duration;
        led_set_mode(n, pattern->mode);
 }
 
-void pattern_init()
+void init_pattern()
 {
        unsigned char i;
 
-       for (i = 0; i < N_LEDS; i++) {
-               led_counters[i] = 0;
-               led_patterns[i] = off_pattern;
-       }
+       for (i = 0; i < N_LEDS; i++)
+               led_set_pattern(i, NULL);
+
        led_set_pattern(N_PWMLEDS+1, boot_pattern);
-       test_running = 0;
 }
 
-static pattern_t *number_pattern(unsigned char num)
+pattern_t *number_pattern(unsigned char num, unsigned char inv)
+{
+       if (num >= 10)
+               num = 10;
+
+       if (inv) {
+               return pattern_invnum
+                       + sizeof(pattern_invnum)/sizeof(pattern_t)
+                       - 2 - 2*num;
+       } else {
+               return pattern_num
+                       + sizeof(pattern_num)/sizeof(pattern_t)
+                       - 2 - 2*num;
+       }
+}
+
+static pattern_t *pattern_select(unsigned char n)
+{
+       switch(n) {
+       case 0: return pwmled0_pattern_select();
+       case 1: return pwmled1_pattern_select();
+       case 2: return pwmled2_pattern_select();
+       case 3: return status_led_pattern_select();
+       case 4: return illumination_led_pattern_select();
+       case 6: return laser_pattern_select();
+       default: return NULL;
+       }
+}
+
+void pattern_reload()
 {
-       if (num >= 9)
-               num = 9;
+       unsigned char i;
 
-       return pattern_num + sizeof(pattern_num)/sizeof(pattern_t)
-               - 1 - 2*num;
+       for (i = 0; i < N_LEDS; i++)
+               led_set_pattern(i, pattern_select(i));
 }
 
-static inline pattern_t *pattern_select(unsigned char n)
+static void inline pattern_finished(unsigned char n)
 {
-       if (n < N_PWMLEDS && !pwmled_enabled(n))
-               return off_pattern; // Don't mess with non-enabled LEDs
-       else if (n == 2)
-               return mode1_pattern;
-       else if (n == 3)
-               return number_pattern(1+ambient_zone);
-       return off_pattern;
+       unsigned char i;
+
+       led_patterns[n] = NULL;
+
+       if (n < N_PWMLEDS) {
+               for (i = 0; i < N_PWMLEDS; i++)
+                       if (led_patterns[i])
+                               return;
+
+               /* all pwmleds finished; restart them */
+               for (i = 0; i < N_PWMLEDS; i++)
+                       led_set_pattern(i, pattern_select(i));
+       } else if (n == 3) {
+               if (!led_patterns[4])
+                       led_set_pattern(4, pattern_select(4));
+       } else if (n == 4) {
+               if (!led_patterns[3])
+                       led_set_pattern(3, pattern_select(3));
+       } else {
+               led_set_pattern(n, pattern_select(n));
+       }
 }
 
 void patterns_next_tick()
@@ -136,20 +178,22 @@ void patterns_next_tick()
        unsigned char i;
 
        for (i = 0; i < N_LEDS; i++) {
-               if (led_counters[i] == 0) {
+               if (!led_patterns[i]) {
+                       pattern_finished(i);
+                       continue;
+               }
+
+               if (--led_counters[i] == 0) {
                        pattern_t *p = led_patterns[i];
                        p++;
                        if (p->duration == 0) { // END
-                               p = pattern_select(i);
+                               /* Keep the last state, wait for others */
+                               pattern_finished(i);
+                               continue;
                        }
                        led_set_pattern(i, p);
                }
 
-               led_counters[i]--;
        }
 }
 
-void led_set_status(unsigned char status)
-{
-       led_set_pattern(N_PWMLEDS+1, number_pattern(status));
-}