projects/step-up/control.c

   1 #include <inttypes.h>
   2 #include <stdlib.h> // for NULL
   3
   4 #include "lights.h"
   5
   6 static pattern_t on_pattern [] = {
   7         { 1, 0x10 },
   8         PATTERN_END
   9 };
  10
  11 static pattern_t blink_pattern[] = {
  12         { 1, 0x1 },
  13         { 0, 0x2 },
  14         { 1, 0x1 },
  15         { 0, 0x8 },
  16         { 1, 0x1 },
  17         { 0, 0x8 },
  18         PATTERN_END
  19 };
  20
  21 static pattern_t slow_pattern[] = {
  22         { 1, 0x1 },
  23         { 0, 0x1F },
  24         PATTERN_END
  25 };
  26
  27 static unsigned char light_mode, shutdown_in_progress;
  28
  29 void init_control()
  30 {
  31         light_mode = 1;
  32         shutdown_in_progress = 0;
  33         short_press();
  34 }
  35
  36 void long_press_start()
  37 {
  38         shutdown_in_progress = 1;
  39         pattern_reload();
  40 }
  41
  42 void short_press()
  43 {
  44         if (++light_mode >= 2*N_PWMLED_MODES)
  45                 light_mode = 0;
  46
  47         pwmled_set_target(light_mode < N_PWMLED_MODES
  48                 ? light_mode
  49                 : light_mode - N_PWMLED_MODES);
  50         pattern_reload();
  51 }
  52
  53 void long_press()
  54 {
  55         shutdown_in_progress = 0;
  56         pattern_reload();
  57 }
  58
  59 pattern_t *pwmled_pattern_select()
  60 {
  61         if (shutdown_in_progress)
  62                 return NULL;
  63
  64         if (light_mode == 0) {
  65                 return slow_pattern;
  66         } else if (light_mode < N_PWMLED_MODES) {
  67                 return blink_pattern;
  68         } else {
  69                 return on_pattern;
  70         }
  71 }
  72
  73 pattern_t *status_led_pattern_select()
  74 {
  75         if (shutdown_in_progress)
  76                 return on_pattern;
  77
  78         return number_pattern(light_mode+1, 0);
  79 }
  80
  81 #if 0
  82 void brake_on()
  83 {
  84         braking = 1;
  85         gpio_set(0, 1);
  86         led_set_pattern(N_PWMLEDS, status_led_pattern_select());
  87         led_set_pattern(0, pwmled0_pattern_select());
  88 }
  89
  90 void brake_off()
  91 {
  92         braking = 0;
  93         gpio_set(0, 0);
  94         led_set_pattern(N_PWMLEDS, status_led_pattern_select());
  95         led_set_pattern(0, pwmled0_pattern_select());
  96 }
  97
  98 #endif