flipper-zero-tutorials/gpio/wiegand/scenes/wiegand_play.c
2023-04-06 23:46:18 -04:00

50 lines
1.7 KiB
C

#include "..\wiegand.h"
void single_vibro() {
NotificationApp* notification = furi_record_open(RECORD_NOTIFICATION);
notification_message(notification, &sequence_single_vibro);
furi_record_close(RECORD_NOTIFICATION);
}
void wiegand_play() {
uint32_t* delays = malloc(sizeof(uint32_t) * bit_count * 2);
for(int i = 0; i < bit_count - 1; i++) {
delays[i * 2] = (data_rise[i] - data_fall[i]) / 64;
delays[i * 2 + 1] = (data_fall[i + 1] - data_rise[i]) / 64;
}
delays[(bit_count - 1) * 2] = (data_rise[bit_count - 1] - data_fall[bit_count - 1]) / 64;
delays[(bit_count - 1) * 2 + 1] = 1;
for(int i = 0; i < bit_count; i++) {
// Delays are always at least 1 tick.
if(delays[i * 2] == 0) delays[i * 2] = 1;
if(delays[i * 2 + 1] == 0) delays[i * 2 + 1] = 1;
if(delays[i * 2 + 1] > 5) delays[i * 2 + 1] -= 1;
}
furi_hal_gpio_write(pinD0, true);
furi_hal_gpio_init(pinD0, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedVeryHigh);
furi_hal_gpio_write(pinD1, true);
furi_hal_gpio_init(pinD1, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedVeryHigh);
single_vibro();
furi_delay_ms(500);
int j = 0;
for(int i = 0; i < bit_count; i++) {
if(data[i]) {
furi_hal_gpio_write(pinD1, false);
furi_delay_us(delays[j++]);
furi_hal_gpio_write(pinD1, true);
furi_delay_us(delays[j++]);
} else {
furi_hal_gpio_write(pinD0, false);
furi_delay_us(delays[j++]);
furi_hal_gpio_write(pinD0, true);
furi_delay_us(delays[j++]);
}
}
furi_hal_gpio_init_simple(pinD0, GpioModeAnalog);
furi_hal_gpio_init_simple(pinD1, GpioModeAnalog);
}