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Added spi_send() equivalent to usart_send().

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This commit is contained in:
Thomas Otto 2010-04-12 21:12:52 +02:00
parent e68f248d11
commit 0fed8c6cc5
1 changed files with 11 additions and 0 deletions
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11
lib/spi.c
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@ -78,6 +78,17 @@ void spi_write(u32 spi, u16 data)
SPI_DR(spi) = data; SPI_DR(spi) = data;
} }
void spi_send(u32 spi, u16 data)
{
/* Write data (8 or 16 bits, depending on DFF) into DR. */
SPI_DR(spi) = data;
/* wait for transfer finished */
while (SPI_SR(spi) & SPI_SR_BSY )
{
}
}
u16 spi_read(u32 spi) u16 spi_read(u32 spi)
{ {
/* Read the data (8 or 16 bits, depending on DFF bit) from DR. */ /* Read the data (8 or 16 bits, depending on DFF bit) from DR. */