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stm32: Add hardware PWM support for STM32F1

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This adds hardware PWM support for STM32F1 processors.
This should also work for STM32 F0/F2/F4 processors, but I
don't have one of those to test it.

Signed-off-by: Michael Kurz <michi.kurz@gmail.com>
Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Michael Kurz
2021-03-25 20:39:53 +01:00
committed by Kevin O'Connor
parent 39188e1cf3
commit 59c4c49893
5 changed files with 179 additions and 0 deletions
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6
src/stm32/gpio.h
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@@ -21,6 +21,12 @@ struct gpio_in gpio_in_setup(uint32_t pin, int32_t pull_up);
void gpio_in_reset(struct gpio_in g, int32_t pull_up);
uint8_t gpio_in_read(struct gpio_in g);
struct gpio_pwm {
void *reg;
};
struct gpio_pwm gpio_pwm_setup(uint8_t pin, uint32_t cycle_time, uint8_t val);
void gpio_pwm_write(struct gpio_pwm g, uint32_t val);
struct gpio_adc {
void *adc;
uint32_t chan;