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changed SPI timing parameters to what firetos uses

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This commit is contained in:
Markus Fröschle
2013-05-12 08:08:05 +00:00
parent a2341a4f78
commit d3a40de4ce
1 changed files with 3 additions and 3 deletions
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6
BaS_gcc/sources/mmc.c
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@@ -26,12 +26,12 @@
#define CS_LOW() { dspi_fifo_val |= MCF_DSPI_DTFR_CS5; }
#define SPICLK_FAST() { MCF_DSPI_DCTAR0 = MCF_DSPI_DCTAR_TRSZ(0b111) | /* transfer size = 8 bit */ \
MCF_DSPI_DCTAR_PCSSCK(0b11) | /* 1 clock DSPICS to DSPISCK delay prescaler */ \
MCF_DSPI_DCTAR_PCSSCK(0b01) | /* 1 clock DSPICS to DSPISCK delay prescaler */ \
MCF_DSPI_DCTAR_PASC_3CLK | /* 1 clock DSPISCK to DSPICS negation prescaler */ \
MCF_DSPI_DCTAR_PDT_3CLK | /* 1 clock delay between DSPICS assertions prescaler */ \
MCF_DSPI_DCTAR_PBR_3CLK | /* 3 clock Baudrate prescaler */ \
MCF_DSPI_DCTAR_ASC(0b0000) | /* 2 */ \
MCF_DSPI_DCTAR_DT(0b0000) | /* 2 */ \
MCF_DSPI_DCTAR_ASC(0b0001) | /* 2 */ \
MCF_DSPI_DCTAR_DT(0b0010) | /* 2 */ \
MCF_DSPI_DCTAR_BR(0b0000); } /* clock / 2 */
#define SPICLK_SLOW() { MCF_DSPI_DCTAR0 = MCF_DSPI_DCTAR_TRSZ(0b111) | /* transfer size = 8 bit */ \