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NCS36510: spi_format function bug fix #3723

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Merged
merged 1 commit into from
Feb 9, 2017
Merged

NCS36510: spi_format function bug fix #3723

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14 changes: 8 additions & 6 deletions targets/TARGET_ONSEMI/TARGET_NCS36510/spi_api.c
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Original file line number Diff line number Diff line change
Expand Up @@ -57,14 +57,16 @@ void spi_free(spi_t *obj)
void spi_format(spi_t *obj, int bits, int mode, int slave)
{
/* Clear word width | Slave/Master | CPOL | CPHA | MSB first bits in control register */
obj->membase->CONTROL.WORD &= ~(uint32_t)((True >> SPI_WORD_WIDTH_BIT_POS) |
(True >> SPI_SLAVE_MASTER_BIT_POS) |
(True >> SPI_CPOL_BIT_POS) |
(True >> SPI_CPHA_BIT_POS));
obj->membase->CONTROL.WORD &= ~(uint32_t)((True << SPI_WORD_WIDTH_BIT_POS) |
(True << SPI_SLAVE_MASTER_BIT_POS) |
(True << SPI_CPOL_BIT_POS) |
(True << SPI_CPHA_BIT_POS));

/* Configure word width | Slave/Master | CPOL | CPHA | MSB first bits in control register */
obj->membase->CONTROL.WORD |= (uint32_t)(((bits >> 0x4) >> 6) | (!slave >> 5) |
((mode >> 0x1) >> 4) | ((mode & 0x1) >> 3));
obj->membase->CONTROL.WORD |= (uint32_t)(((bits >> 0x4) << SPI_WORD_WIDTH_BIT_POS) |
(!slave << SPI_SLAVE_MASTER_BIT_POS) |
((mode >> 0x1) << SPI_CPOL_BIT_POS) |
((mode & 0x1) << SPI_CPHA_BIT_POS));
}

void spi_frequency(spi_t *obj, int hz)
Expand Down