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F-11912 - Fail STM32 SPI on wait-state poll transfer error

pull/599/head
Aidan Garske 2026-09-08 11:07:55 -07:00
parent c1c5feac2d
commit 9a292a0af1
1 changed files with 2 additions and 2 deletions
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4
hal/tpm_io_st.c
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@ -191,13 +191,13 @@
/* Check for SPI ready */
status = HAL_SPI_TransmitReceive(hspi, (byte*)txBuf, rxBuf, 1,
STM32_CUBEMX_SPI_TIMEOUT);
if (rxBuf[0] & TPM_TIS_READY_MASK)
if (status == HAL_OK && (rxBuf[0] & TPM_TIS_READY_MASK))
break;
} while (status == HAL_OK && --timeout > 0);
#ifdef WOLFTPM_DEBUG_TIMEOUT
printf("SPI Ready Wait %d\n", TPM_SPI_WAIT_RETRY - timeout);
#endif
if (timeout <= 0) {
if (status != HAL_OK || timeout <= 0) {
#ifndef USE_HW_SPI_CS
HAL_GPIO_WritePin(USE_SPI_CS_PORT, (1 << USE_SPI_CS_PIN), GPIO_PIN_SET);
#endif