63 lines
1.8 KiB
C
63 lines
1.8 KiB
C
#include "platform.h"
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#include <assert.h>
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#include <main.h>
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#include <furi.h>
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#include <api-hal-spi.h>
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static osThreadAttr_t platform_irq_thread_attr;
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static volatile osThreadId_t platform_irq_thread_id = NULL;
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static volatile PlatformIrqCallback platform_irq_callback = NULL;
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void nfc_isr(void* _pin, void* _ctx) {
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uint32_t pin = (uint32_t)_pin;
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if(pin == NFC_IRQ_Pin
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&& platform_irq_callback
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&& platformGpioIsHigh(ST25R_INT_PORT, ST25R_INT_PIN)) {
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osThreadFlagsSet(platform_irq_thread_id, 0x1);
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}
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}
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void platformIrqWorker() {
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while(1) {
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uint32_t flags = osThreadFlagsWait(0x1, osFlagsWaitAny, osWaitForever);
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if (flags & 0x1) {
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platform_irq_callback();
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}
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}
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}
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void platformSetIrqCallback(PlatformIrqCallback callback) {
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platform_irq_callback = callback;
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platform_irq_thread_attr.name = "rfal_irq_worker";
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platform_irq_thread_attr.stack_size = 512;
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platform_irq_thread_attr.priority = osPriorityISR;
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platform_irq_thread_id = osThreadNew(platformIrqWorker, NULL, &platform_irq_thread_attr);
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api_interrupt_add(nfc_isr, InterruptTypeExternalInterrupt, NULL);
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}
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HAL_StatusTypeDef platformSpiTxRx(const uint8_t *txBuf, uint8_t *rxBuf, uint16_t len) {
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HAL_StatusTypeDef ret;
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if (txBuf && rxBuf) {
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ret = HAL_SPI_TransmitReceive(&SPI_R, (uint8_t*)txBuf, rxBuf, len, HAL_MAX_DELAY);
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} else if (txBuf) {
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ret = HAL_SPI_Transmit(&SPI_R, (uint8_t*)txBuf, len, HAL_MAX_DELAY);
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} else if (rxBuf) {
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ret = HAL_SPI_Receive(&SPI_R, (uint8_t*)rxBuf, len, HAL_MAX_DELAY);
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}
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if(ret != HAL_OK) {
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asm("bkpt 1");
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exit(255);
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}
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return ret;
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}
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void platformProtectST25RComm() {
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api_hal_spi_lock(&SPI_R);
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NFC_SPI_Reconfigure();
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}
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void platformUnprotectST25RComm() {
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api_hal_spi_unlock(&SPI_R);
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}
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