unleashed-firmware/firmware/targets/f7/furi-hal/furi-hal-sd.c
SG 8073992925
[FL-1587] RFID: Clock for emulation timer from antenna (#622)
* RFID: pull antenna down when emulating
* Rfid: fixed HID emulation by adding zero pulse every 4 bits
* Rfid: HID emulation fixed with DSP based FSK oscillator.
* Rfid: receive 125KHz clock for emulation timer from antenna and comparator
* Rfid: commented unused variable
* Firmware: rollback changes in f6.
* Add F7 target based on F6.
* F7/F6: update cube projects, apply changes to the targets, update linker scripts with correct RAM start values.
* FuriHal: RFID init routine.
* Scripts: update OTP tool for v11 board

Co-authored-by: Aleksandr Kutuzov <alleteam@gmail.com>
2021-09-10 05:19:02 +03:00

22 lines
768 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;
}