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Added handling RX only transmission in SPI APIs

pull/1297/head
vimalrajr 2015-08-03 13:59:14 +05:30 committed by Karthik Purushothaman
parent 0adc8fdf6c
commit 31fb6731ca
1 changed files with 3 additions and 3 deletions
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6
libraries/mbed/targets/hal/TARGET_Atmel/TARGET_SAM0/spi_api.c
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@ -865,9 +865,9 @@ void spi_master_transfer(spi_t *obj, const void *tx, size_t tx_length, void *rx,
_SPI(obj).STATUS.reg |= SERCOM_SPI_STATUS_BUFOVF; _SPI(obj).STATUS.reg |= SERCOM_SPI_STATUS_BUFOVF;
/* Set SPI interrupts */ /* Set SPI interrupts */
if (tx) { /* Set DRE flag to kick start transmission */
irq_mask |= SERCOM_SPI_INTFLAG_DRE; irq_mask |= SERCOM_SPI_INTFLAG_DRE;
}
if (event & SPI_EVENT_ERROR) { if (event & SPI_EVENT_ERROR) {
irq_mask |= SERCOM_SPI_INTFLAG_ERROR; irq_mask |= SERCOM_SPI_INTFLAG_ERROR;
} }