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stm32f1: gpio: prepare GPIOs

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This commit is contained in:
S.J.R. van Schaik 2017-10-31 18:01:56 +01:00
parent 1c0a6907df
commit e05afe9cc9
4 changed files with 8 additions and 6 deletions
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4
source/platform/stm32f1/buzzer.c
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@ -6,9 +6,9 @@
#include <macros.h>
struct buzzer buzzers[] = {
{ TIM2, TIM_OC3 },
{ TIM2, TIM_OC4 },
{ TIM2, TIM_OC1 },
};
size_t nbuzzers = count_of(buzzers);
void buzzer_init(struct buzzer *buzzer)

6
source/platform/stm32f1/gpio.c
View file

@ -32,13 +32,13 @@ int gpio_init(void)
/* Set up GPIOs for timers. */
gpio_primary_remap(0, AFIO_MAPR_TIM2_REMAP_PARTIAL_REMAP1);
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_TIM2_PR1_CH3);
gpio_set_mode(GPIOA, GPIO_MODE_OUTPUT_50_MHZ,
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_TIM2_PR1_CH4);
GPIO_CNF_OUTPUT_ALTFN_PUSHPULL, GPIO_TIM2_PR1_CH1_ETR);
/* Set up GPIO for LED. */
gpio_set_mode(GPIOB, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO0);
gpio_clear(GPIOB, GPIO0);
gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_50_MHZ, GPIO_CNF_OUTPUT_PUSHPULL, GPIO10);
gpio_set(GPIOC, GPIO10);
return 0;
}

3
source/platform/stm32f1/led.c
View file

@ -4,8 +4,9 @@
#include <macros.h>
struct led leds[] = {
{ GPIOB, GPIO0, 1 },
{ GPIOC, GPIO10, 1 },
};
size_t nleds = count_of(leds);
void led_enable(struct led *led)

1
source/platform/stm32f1/rcc.c
View file

@ -7,6 +7,7 @@ int rcc_init(void)
rcc_periph_clock_enable(RCC_AFIO);
rcc_periph_clock_enable(RCC_GPIOA);
rcc_periph_clock_enable(RCC_GPIOB);
rcc_periph_clock_enable(RCC_GPIOC);
rcc_periph_clock_enable(RCC_SPI1);
rcc_periph_clock_enable(RCC_USART1);
rcc_periph_clock_enable(RCC_USART2);