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stm32/led: Support an extra 2 LEDs in board configuration. 

Although the pyboard has only 4 LEDs, there are some boards that (may) have
more.  This commit adds 2 more LEDs to the led.c file that if defined in
the board-specific config file will be compiled in.
This commit is contained in:
Matt van de Werken 2020-07-02 17:36:27 +10:00 committed by Damien George
parent 8f3510799d
commit a4c0f52714
1 changed files with 17 additions and 1 deletions
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18
ports/stm32/led.c
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@ -58,6 +58,12 @@ STATIC const pyb_led_obj_t pyb_led_obj[] = {
{{&pyb_led_type}, 3, MICROPY_HW_LED3},
#if defined(MICROPY_HW_LED4)
{{&pyb_led_type}, 4, MICROPY_HW_LED4},
#if defined(MICROPY_HW_LED5)
{{&pyb_led_type}, 5, MICROPY_HW_LED5},
#if defined(MICROPY_HW_LED6)
{{&pyb_led_type}, 6, MICROPY_HW_LED6},
#endif
#endif
#endif
#endif
#endif
@ -77,7 +83,9 @@ void led_init(void) {
#if defined(MICROPY_HW_LED1_PWM) \
|| defined(MICROPY_HW_LED2_PWM) \
|| defined(MICROPY_HW_LED3_PWM) \
|| defined(MICROPY_HW_LED4_PWM)
|| defined(MICROPY_HW_LED4_PWM) \
|| defined(MICROPY_HW_LED5_PWM) \
|| defined(MICROPY_HW_LED6_PWM)
// The following is semi-generic code to control LEDs using PWM.
// It currently supports TIM1, TIM2 and TIM3, channels 1-4.
@ -98,6 +106,12 @@ void led_init(void) {
#ifndef MICROPY_HW_LED4_PWM
#define MICROPY_HW_LED4_PWM { NULL, 0, 0, 0 }
#endif
#ifndef MICROPY_HW_LED5_PWM
#define MICROPY_HW_LED5_PWM { NULL, 0, 0, 0 }
#endif
#ifndef MICROPY_HW_LED6_PWM
#define MICROPY_HW_LED6_PWM { NULL, 0, 0, 0 }
#endif
#define LED_PWM_TIM_PERIOD (10000) // TIM runs at 1MHz and fires every 10ms
@ -116,6 +130,8 @@ STATIC const led_pwm_config_t led_pwm_config[] = {
MICROPY_HW_LED2_PWM,
MICROPY_HW_LED3_PWM,
MICROPY_HW_LED4_PWM,
MICROPY_HW_LED5_PWM,
MICROPY_HW_LED6_PWM,
};
STATIC uint8_t led_pwm_state = 0;