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keycard-pro
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add usec delay to sdk

This commit is contained in:
Michele Balistreri 2023-03-23 08:58:56 +01:00
parent 88325503e7
commit 4199015b93
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GPG Key ID: E9567DA33A4F791A
3 changed files with 21 additions and 38 deletions
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4
app/hal.h
View File

@ -63,7 +63,6 @@ typedef enum {
hal_err_t hal_uart_send(hal_uart_port_t port, const uint8_t* data, size_t len);
// Crypto (only use in crypto library)
hal_err_t hal_rng_next(uint8_t *buf, size_t len);
@ -79,4 +78,7 @@ hal_err_t hal_crc32_update(hal_crc32_ctx_t* ctx, const uint8_t* data, size_t len
hal_err_t hal_crc32_finish(hal_crc32_ctx_t* ctx, uint32_t *out);
#endif
// Timer
hal_err_t hal_delay_us(uint32_t usec);
#endif

40
app/iso7816/smartcard.c
View File

@ -4,6 +4,7 @@
#include "iso7816/t1.h"
#include "FreeRTOS.h"
#include "task.h"
#include "hal.h"
#define SC_RESET_DELAY 400
#define SC_DEFAULT_ETU10NS 9300
@ -17,11 +18,10 @@ static inline void SmartCard_State_Reset(SmartCard* sc) {
void SmartCard_Delay(SmartCard* sc, uint32_t etu) {
uint32_t usec = (sc->etu_10ns * etu)/100;
if (usec & 0xffff0000) {
if (usec > 4000) {
vTaskDelay(pdMS_TO_TICKS(usec/1000));
} else {
//sc->usec_timer->Instance->CNT = 0;
//while (sc->usec_timer->Instance->CNT < usec);
hal_delay_us(usec);
}
}
@ -138,38 +138,4 @@ uint8_t SmartCard_Send_APDU(SmartCard* sc, APDU* apdu) {
return 0;
}
}
/*
void HAL_SMARTCARD_ErrorCallback(SMARTCARD_HandleTypeDef *hsc) {
uint32_t error = HAL_SMARTCARD_GetError(hsc);
if(error & HAL_SMARTCARD_ERROR_FE) {
__HAL_SMARTCARD_FLUSH_DRREGISTER(hsc);
}
if(error & HAL_SMARTCARD_ERROR_PE) {
__HAL_SMARTCARD_ENABLE_IT(hsc, SMARTCARD_IT_RXNE);
__HAL_SMARTCARD_FLUSH_DRREGISTER(hsc);
}
if(error & HAL_SMARTCARD_ERROR_NE) {
__HAL_SMARTCARD_FLUSH_DRREGISTER(hsc);
}
if(error & HAL_SMARTCARD_ERROR_ORE) {
__HAL_SMARTCARD_FLUSH_DRREGISTER(hsc);
}
if(error & HAL_SMARTCARD_ERROR_RTO) {
__HAL_SMARTCARD_FLUSH_DRREGISTER(hsc);
__HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RTO);
}
}
void HAL_SMARTCARD_TxCpltCallback(SMARTCARD_HandleTypeDef *hsc) {
}
void HAL_SMARTCARD_RxCpltCallback(SMARTCARD_HandleTypeDef *hsc) {
__HAL_SMARTCARD_DISABLE_IT(hsc, SMARTCARD_IT_RTO);
}*/

15
nxp/source/nxp.c
View File

@ -42,6 +42,7 @@
#include "fsl_trng.h"
#include "fsl_lpuart.h"
#include "fsl_dcp.h"
#include "fsl_gpt.h"
#include "hal.h"
struct gpio_pin_spec {
@ -77,6 +78,14 @@ hal_err_t hal_init(void) {
sha256_handle.channel = kDCP_Channel0;
gpt_config_t gptCfg;
GPT_GetDefaultConfig(&gptCfg);
gptCfg.clockSource = kGPT_ClockSource_Osc;
gptCfg.enableFreeRun = true;
gptCfg.enableMode = true;
gptCfg.divider = 24;
GPT_Init(GPT1, &gptCfg);
return HAL_OK;
}
@ -112,3 +121,9 @@ hal_err_t hal_uart_send(hal_uart_port_t port, const uint8_t* data, size_t len) {
return LPUART_WriteBlocking(BOARD_DEBUG_UART_BASEADDR, data, len) == kStatus_Success ? HAL_OK : HAL_ERROR;
}
hal_err_t hal_delay_us(uint32_t usec) {
GPT_StartTimer(GPT1);
while(GPT_GetCurrentTimerCount(GPT1) < usec) {}
GPT_StopTimer(GPT1);
return HAL_OK;
}