flipperzero-firmware/lib/ST25RFAL002/platform.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

75 lines
2.3 KiB
C

#include "platform.h"
#include <assert.h>
#include <main.h>
#include <furi.h>
#include <furi-hal-spi.h>
static osThreadAttr_t platform_irq_thread_attr;
static volatile osThreadId_t platform_irq_thread_id = NULL;
static volatile PlatformIrqCallback platform_irq_callback = NULL;
static const GpioPin pin = {ST25R_INT_PORT, ST25R_INT_PIN};
void nfc_isr(void* _ctx) {
if(platform_irq_callback
&& platformGpioIsHigh(ST25R_INT_PORT, ST25R_INT_PIN)) {
osThreadFlagsSet(platform_irq_thread_id, 0x1);
}
}
void platformIrqWorker() {
while(1) {
uint32_t flags = osThreadFlagsWait(0x1, osFlagsWaitAny, osWaitForever);
if (flags & 0x1) {
platform_irq_callback();
}
}
}
void platformEnableIrqCallback() {
hal_gpio_init(&pin, GpioModeInterruptRise, GpioPullDown, GpioSpeedLow);
hal_gpio_enable_int_callback(&pin);
}
void platformDisableIrqCallback() {
hal_gpio_init(&pin, GpioModeOutputOpenDrain, GpioPullNo, GpioSpeedLow);
hal_gpio_disable_int_callback(&pin);
}
void platformSetIrqCallback(PlatformIrqCallback callback) {
platform_irq_callback = callback;
platform_irq_thread_attr.name = "RfalIrqWorker";
platform_irq_thread_attr.stack_size = 1024;
platform_irq_thread_attr.priority = osPriorityISR;
platform_irq_thread_id = osThreadNew(platformIrqWorker, NULL, &platform_irq_thread_attr);
hal_gpio_add_int_callback(&pin, nfc_isr, NULL);
// Disable interrupt callback as the pin is shared between 2 apps
// It is enabled in rfalLowPowerModeStop()
hal_gpio_disable_int_callback(&pin);
}
HAL_StatusTypeDef platformSpiTxRx(const uint8_t *txBuf, uint8_t *rxBuf, uint16_t len) {
bool ret = false;
if (txBuf && rxBuf) {
ret = furi_hal_spi_bus_trx(&furi_hal_spi_bus_handle_nfc, (uint8_t*)txBuf, rxBuf, len, 1000);
} else if (txBuf) {
ret = furi_hal_spi_bus_tx(&furi_hal_spi_bus_handle_nfc, (uint8_t*)txBuf, len, 1000);
} else if (rxBuf) {
ret = furi_hal_spi_bus_rx(&furi_hal_spi_bus_handle_nfc, (uint8_t*)rxBuf, len, 1000);
}
if(!ret) {
asm("bkpt 1");
return HAL_ERROR;
} else {
return HAL_OK;
}
}
void platformProtectST25RComm() {
furi_hal_spi_acquire(&furi_hal_spi_bus_handle_nfc);
}
void platformUnprotectST25RComm() {
furi_hal_spi_release(&furi_hal_spi_bus_handle_nfc);
}