altos/telelco-v3.0: Control LCD backlight with PWM

[fw/altos] / src / telelco-v3.0 / ao_pins.h

diff --git a/src/telelco-v3.0/ao_pins.h b/src/telelco-v3.0/ao_pins.h
index be253232ca26afa463982cdc582632e6944d4ab3..7a7ffae2acff8e78f565dc386dd15513133b7a0d 100644 (file)
--- a/src/telelco-v3.0/ao_pins.h
+++ b/src/telelco-v3.0/ao_pins.h
@@ -95,7 +95,7 @@
 #define PACKET_HAS_SLAVE       0
 #define PACKET_HAS_MASTER      0
 
-#define AO_FAST_TIMER          2
+#define AO_FAST_TIMER          4
 #define FAST_TIMER_FREQ                10000   /* .1ms for debouncing */
 
 /* LCD module */
@@ -179,9 +179,9 @@
 #define LED_11_PORT            (&stm_gpioa)
 #define LED_11_PIN             0
 
-#define AO_LED_CONTINUITY_1    AO_LED_12       /* PA1 */
+#define AO_LED_CONTINUITY_1    AO_LED_12       /* PA6 */
 #define LED_12_PORT            (&stm_gpioa)
-#define LED_12_PIN             1
+#define LED_12_PIN             6
 
 #define AO_LED_CONTINUITY_0    AO_LED_13       /* PB1 */
 #define LED_13_PORT            (&stm_gpiob)
@@ -301,4 +301,29 @@ struct ao_adc {
 #define AO_LCO_MAX_CONTRAST    63
 #define AO_LCO_CONTRAST_STEP   1
 
+#define AO_LCO_HAS_BACKLIGHT   1
+#define AO_LCO_MIN_BACKLIGHT   0
+#define AO_LCO_MAX_BACKLIGHT   65535
+#define AO_LCO_BACKLIGHT_STEP  771
+
+/*
+ * LCD Backlight via PWM.
+ *
+ * Pin PA1, TIM2_CH2
+ */
+
+#define NUM_PWM                        1
+#define PWM_MAX                        65535
+#define AO_PWM_TIMER           stm_tim2
+#define AO_LCD_BL_PWM_CHAN     1
+#define AO_PWM_0_GPIO          (&stm_gpioa)
+#define AO_PWM_0_PIN           1
+#define AO_PWM_TIMER_ENABLE    STM_RCC_APB1ENR_TIM2EN
+#define AO_PWM_TIMER_SCALE     1
+
+#define AO_AFIO_PWM_REMAP      STM_AFIO_MAPR_TIM2_REMAP
+#define AO_AFIO_PWM_REMAP_VAL  STM_AFIO_MAPR_TIM2_REMAP_PA0_PA1_PA2_PA3
+#define AO_AFIO_PWM_REMAP_MASK STM_AFIO_MAPR_TIM2_REMAP_MASK
+
+
 #endif /* _AO_PINS_H_ */