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sdk:lib:spi: update fifo op 

Signed-off-by: liangkangnan <liangkangnan@163.com>
pull/4/head
liangkangnan 2021-10-12 10:31:57 +08:00
parent 448f733f22
commit 90d9349128
1 changed files with 2 additions and 2 deletions
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4
sdk/bsp/lib/spi.c
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@ -87,12 +87,12 @@ void spi_set_lsb_first(uint32_t base)
void spi_set_txdata(uint32_t base, uint8_t data) void spi_set_txdata(uint32_t base, uint8_t data)
{ {
SPI_REG(base, SPI_TXDATA_REG_OFFSET) |= data; SPI_REG(base, SPI_TXDATA_REG_OFFSET) = data;
} }
uint8_t spi_get_rxdata(uint32_t base) uint8_t spi_get_rxdata(uint32_t base)
{ {
return (SPI_REG(base, SPI_RXDATA_REG_OFFSET)); return (SPI_REG(base, SPI_RXDATA_REG_OFFSET) & 0xff);
} }
uint8_t spi_reset_rxfifo(uint32_t base) uint8_t spi_reset_rxfifo(uint32_t base)