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Configure SPI as master in spi_init_master().

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This commit is contained in:
Uwe Hermann 2010-01-14 19:20:23 +01:00
parent e5fb750378
commit 977f0ef6a0
1 changed files with 7 additions and 7 deletions
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14
lib/spi.c
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@ -36,16 +36,16 @@ int spi_init_master(u32 spi, u32 br, u32 cpol, u32 cpha, u32 dff, u32 lsbfirst)
{ {
u32 reg32 = 0; u32 reg32 = 0;
reg32 |= br; /* Set BAUD rate bits. */ reg32 |= SPI_CR1_MSTR; /* Configure SPI as master. */
reg32 |= cpol; /* Set CPOL value. */
reg32 |= cpha; /* Set CPHA value. */ reg32 |= br; /* Set BAUD rate bits. */
reg32 |= dff; /* Set data format (8 or 16 bits). */ reg32 |= cpol; /* Set CPOL value. */
reg32 |= lsbfirst; /* Set frame format (LSB-first or MSB-first). */ reg32 |= cpha; /* Set CPHA value. */
reg32 |= dff; /* Set data format (8 or 16 bits). */
reg32 |= lsbfirst; /* Set frame format (LSB- or MSB-first). */
/* TODO: NSS pin handling. */ /* TODO: NSS pin handling. */
/* TODO: Set MSTR and SPE bits. */
SPI_CR1(spi) = reg32; SPI_CR1(spi) = reg32;
return 0; /* TODO */ return 0; /* TODO */