diff options
Diffstat (limited to 'stmhal/led.c')
| -rw-r--r-- | stmhal/led.c | 15 |
1 files changed, 3 insertions, 12 deletions
diff --git a/stmhal/led.c b/stmhal/led.c index 8cef02425a..c1b298b179 100644 --- a/stmhal/led.c +++ b/stmhal/led.c @@ -61,7 +61,7 @@ STATIC const pyb_led_obj_t pyb_led_obj[] = { #endif #endif }; -#define NUM_LEDS ARRAY_SIZE(pyb_led_obj) +#define NUM_LEDS MP_ARRAY_SIZE(pyb_led_obj) void led_init(void) { /* GPIO structure */ @@ -148,18 +148,9 @@ void led_toggle(pyb_led_t led) { } #endif + // toggle the output data register to toggle the LED state const pin_obj_t *led_pin = pyb_led_obj[led - 1].led_pin; - GPIO_TypeDef *gpio = led_pin->gpio; - - // We don't know if we're turning the LED on or off, but we don't really - // care. Just invert the state. - if (gpio->ODR & led_pin->pin_mask) { - // pin is high, make it low - gpio->BSRRH = led_pin->pin_mask; - } else { - // pin is low, make it high - gpio->BSRRL = led_pin->pin_mask; - } + led_pin->gpio->ODR ^= led_pin->pin_mask; } int led_get_intensity(pyb_led_t led) { |