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fan_ctrl_pwm: properly set pin mode to alternate function

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This commit is contained in:
Thomas Kolb 2023-10-01 20:32:07 +02:00
parent fd1b4990e2
commit 860ea0e768
1 changed files with 2 additions and 0 deletions
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2
src/fan_ctrl_pwm.c
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@ -46,6 +46,7 @@ void fan_ctrl_pwm_enable(void)
gpio_set(DCDC_PORT, DCDC_BYPASS_SWITCH_PIN); gpio_set(DCDC_PORT, DCDC_BYPASS_SWITCH_PIN);
// Enable PWM output on the PWM GPIO // Enable PWM output on the PWM GPIO
gpio_mode_setup(FAN_PORT, GPIO_MODE_AF, GPIO_PUPD_NONE, FAN_PWM_PIN);
gpio_set_af(FAN_PORT, GPIO_AF0, FAN_PWM_PIN); gpio_set_af(FAN_PORT, GPIO_AF0, FAN_PWM_PIN);
// start the PWM timer // start the PWM timer
@ -63,6 +64,7 @@ void fan_ctrl_pwm_disable(void)
timer_disable_counter(TIM21); timer_disable_counter(TIM21);
// configure the PWM GPIO as input so the fan runs full speed if powered // configure the PWM GPIO as input so the fan runs full speed if powered
gpio_mode_setup(FAN_PORT, GPIO_MODE_INPUT, GPIO_PUPD_NONE, FAN_PWM_PIN);
} }