firmware: emulate higher resolution of PWM

[bike-lights.git] / firmware / lights.h

diff --git a/firmware/lights.h b/firmware/lights.h
index bb4bca7870e5f8d66d78036ebd7ca8ac8a41037e..434f0512d8c3d2a81fe5ad61d22549c0dcc35a99 100644 (file)
--- a/firmware/lights.h
+++ b/firmware/lights.h
@@ -28,12 +28,16 @@ void susp_adc();
 void timer_start_adcs();
 
 /* pwm.c */
-#define PWM_MAX 0x1FF
+#define PWM_MAX 0x1E4 /* This should be different than ADC frequency 125 kHz */
+#define PWM_STEP_SHIFT 2 /* second parameter of pwm_set is shifted by
+                         * PWM_STEP_SHIFT bits to the right before setting
+                         * into HW */
 
 void init_pwm();
 void susp_pwm();
 void pwm_off(unsigned char n);
 void pwm_set(unsigned char n, uint16_t stride);
+void pwm_timer();
 
 /* tmr.c */
 extern volatile uint16_t jiffies;
@@ -44,7 +48,6 @@ void susp_tmr();
 void pwmled_init();
 void pwmled_adc(unsigned char n, uint16_t adcval);
 void pwmled_set_mode(unsigned char n, unsigned char mode);
-unsigned char pwmled_needs_adc(unsigned char n);
 unsigned char pwmled_enabled(unsigned char n);
 
 /* gpio.c */
@@ -64,20 +67,24 @@ typedef struct {
        unsigned char duration: 5;
 } pattern_t;
 
+#define PATTERN_FOREVER 0x1F
 #define PATTERN_END { 0, 0 }
 extern pattern_t off_pattern[];
+extern pattern_t zero_pattern[];
 extern pattern_t on_pattern[];
+extern pattern_t mode1_pattern[];
 
 void pattern_init();
 void patterns_next_tick();
-void led_set_status(unsigned char status);
 void led_set_pattern(unsigned char led, pattern_t *pattern);
+pattern_t *number_pattern(unsigned char num);
 
 /* buttons.c */
 #define MAX_USER_PARAMS 3
 void init_buttons();
 void timer_check_buttons();
 unsigned char get_user_param(unsigned char param);
+pattern_t *status_pattern_select(unsigned char n);
 
 /* battery.c */
 extern volatile unsigned char battery_100mv;
@@ -85,8 +92,6 @@ void battery_adc();
 void init_battery();
 
 /* main.c */
-void hw_setup();
-void hw_suspend();
 void power_down();
 
 #endif /* !LIGHTS_H__ */