unleashed-firmware/firmware/targets/f7/furi-hal/furi-hal-sd.c
あく 9d27ef8901
[FL-2060] FuriHal: SPI refactoring, flexible bus reconfiguration on fly, same design as i2c. (#853)
* FuriHal: SPI refactoring, flexible bus reconfigration on fly, same desiag as i2c.
* Lib: update CC1101 driver documentation
* FuriHal: update spi symbol names to match naming convention.
2021-11-30 15:09:43 +03:00

25 lines
822 B
C

#include "furi-hal-sd.h"
#include <stm32wbxx_ll_gpio.h>
#include <furi.h>
void hal_sd_detect_init(void) {
// low speed input with pullup
LL_GPIO_SetPinMode(SD_CD_GPIO_Port, SD_CD_Pin, LL_GPIO_MODE_INPUT);
LL_GPIO_SetPinSpeed(SD_CD_GPIO_Port, SD_CD_Pin, LL_GPIO_SPEED_FREQ_LOW);
LL_GPIO_SetPinPull(SD_CD_GPIO_Port, SD_CD_Pin, LL_GPIO_PULL_UP);
}
void hal_sd_detect_set_low(void) {
// low speed input with pullup
LL_GPIO_SetPinMode(SD_CD_GPIO_Port, SD_CD_Pin, LL_GPIO_MODE_OUTPUT);
LL_GPIO_SetPinOutputType(SD_CD_GPIO_Port, SD_CD_Pin, LL_GPIO_OUTPUT_OPENDRAIN);
LL_GPIO_ResetOutputPin(SD_CD_GPIO_Port, SD_CD_Pin);
}
bool hal_sd_detect(void) {
bool result = !(LL_GPIO_IsInputPinSet(SD_CD_GPIO_Port, SD_CD_Pin));
return result;
}
FuriHalSpiBusHandle* furi_hal_sd_spi_handle = NULL;