mhu/reflow-oven-control-sw
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Init Button. Interrupt still missing

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This commit is contained in:
Mario Hüttel
2020-02-23 21:48:52 +01:00
parent 6700b0ea81
commit fcbd1ae05e
2 changed files with 41 additions and 0 deletions
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24
stm-firmware/button.c
View File

@@ -18,4 +18,28 @@
* If not, see <http://www.gnu.org/licenses/>.
*/
#include <stm32/stm32f4xx.h>
#include <reflow-controller/button.h>
#include <stm-periph/clock-enable-manager.h>
#include <stdint.h>
static volatile uint64_t to_active_timestamp;
void button_init()
{
rcc_manager_enable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(BUTTON_RCC_MASK));
BUTTON_PORT->MODER &= MODER_DELETE(BUTTON_PIN);
BUTTON_PORT->PUPDR &= PUPDR_DELETE(BUTTON_PIN);
BUTTON_PORT->PUPDR |= PULLUP(BUTTON_PIN);
}
enum button_state button_read_event();
void button_deinit()
{
BUTTON_PORT->MODER &= MODER_DELETE(BUTTON_PIN);
BUTTON_PORT->PUPDR &= PUPDR_DELETE(BUTTON_PIN);
rcc_manager_disable_clock(&RCC->AHB1ENR, BITMASK_TO_BITNO(BUTTON_RCC_MASK));
}

17
stm-firmware/include/reflow-controller/button.h
View File

@@ -21,4 +21,21 @@
#ifndef __BUTTON_H__
#define __BUTTON_H__
#define BUTTON_ACTIVE_LEVEL 0
#define BUTTON_PORT GPIOD
#define BUTTON_RCC_MASK RCC_AHB1ENR_GPIODEN
#define BUTTON_PIN 4
#define BUTTON_SHORT_ON_TIME_MS 50
#define BUTTON_LONG_ON_TIME_MS 800
enum button_state {BUTTON_IDLE = 0, BUTTON_SHORT, BUTTON_LONG};
void button_init();
enum button_state button_read_event();
void button_deinit();
#endif /* __BUTTON_H__ */