From 127cc6204a653080e88350f6b2528f6cb97f3379 Mon Sep 17 00:00:00 2001 From: Philip Jander Date: Fri, 22 Jan 2021 21:51:43 +0100 Subject: [PATCH] adds: idle loop to wait for SPI not busy (mimxrt10xx) --- ports/mimxrt10xx/common-hal/busio/SPI.c | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) diff --git a/ports/mimxrt10xx/common-hal/busio/SPI.c b/ports/mimxrt10xx/common-hal/busio/SPI.c index ce7cbea7ec..518bf83de7 100644 --- a/ports/mimxrt10xx/common-hal/busio/SPI.c +++ b/ports/mimxrt10xx/common-hal/busio/SPI.c @@ -289,7 +289,11 @@ bool common_hal_busio_spi_write(busio_spi_obj_t *self, xfer.dataSize = len; xfer.configFlags = kLPSPI_MasterPcs0; - const status_t status = LPSPI_MasterTransferBlocking(self->spi, &xfer); + status_t status; + do { + status = LPSPI_MasterTransferBlocking(self->spi, &xfer); + } while (status == kStatus_LPSPI_Busy); + if (status != kStatus_Success) printf("%s: status %ld\r\n", __func__, status); @@ -311,7 +315,11 @@ bool common_hal_busio_spi_read(busio_spi_obj_t *self, xfer.rxData = data; xfer.dataSize = len; - const status_t status = LPSPI_MasterTransferBlocking(self->spi, &xfer); + status_t status; + do { + status = LPSPI_MasterTransferBlocking(self->spi, &xfer); + } while (status == kStatus_LPSPI_Busy); + if (status != kStatus_Success) printf("%s: status %ld\r\n", __func__, status); @@ -333,7 +341,11 @@ bool common_hal_busio_spi_transfer(busio_spi_obj_t *self, const uint8_t *data_ou xfer.rxData = data_in; xfer.dataSize = len; - const status_t status = LPSPI_MasterTransferBlocking(self->spi, &xfer); + status_t status; + do { + status = LPSPI_MasterTransferBlocking(self->spi, &xfer); + } while (status == kStatus_LPSPI_Busy); + if (status != kStatus_Success) printf("%s: status %ld\r\n", __func__, status);