firmware: buttons + hall probe via ADC

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

diff --git a/firmware/control.c b/firmware/control.c
index 7a8d4473c9cf52da0640e3e3870f88cd2de69711..007a0c2883ff87d494c58192048e05615846b22f 100644 (file)
--- a/firmware/control.c
+++ b/firmware/control.c
@@ -98,7 +98,7 @@ static pattern_t slow3_pattern[] = {
        PATTERN_END
 };
 
-static unsigned char dim_mode, towbar_mode;
+static unsigned char dim_mode, towbar_mode, braking;
 
 void init_control()
 {
@@ -106,6 +106,22 @@ void init_control()
        towbar_mode = 0;
 }
 
+void brake_on()
+{
+       braking = 1;
+       gpio_set(0, 1);
+       led_set_pattern(N_PWMLEDS, status_led_pattern_select());
+       // TODO brighten rear light
+}
+
+void brake_off()
+{
+       braking = 0;
+       gpio_set(0, 0);
+       led_set_pattern(N_PWMLEDS, status_led_pattern_select());
+       // TODO dim rear light
+}
+
 void toggle_dim_mode()
 {
        dim_mode = !dim_mode;
@@ -187,6 +203,9 @@ pattern_t *pwmled2_pattern_select()
 
 pattern_t *status_led_pattern_select()
 {
+       if (braking)
+               return on1_pattern;
+
        if (buttons_setup_in_progress())
                return buttons_setup_status0_pattern_select();