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loops to trick out DSPI FIFO

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This commit is contained in:
Markus Fröschle
2012-11-18 09:25:28 +00:00
parent 03e6b13e0a
commit b8fac29d99
1 changed files with 13 additions and 14 deletions
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21
BaS_gcc/sources/sd_card.c
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@@ -54,6 +54,7 @@ uint32_t sd_com(uint32_t command)
void sd_init(void)
{
uint32_t ret;
int i;
xprintf("SD-Card initialization: ");
@@ -89,24 +90,22 @@ void sd_init(void)
MCF_DSPI_DMCR = 0x800d3c00;
for (i = 0; i < 10; i++)
{
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
}
MCF_DSPI_DMCR = 0x802d3c00;
for (i = 0; i < 2; i++)
{
ret = sd_com(0x08200000);
ret = sd_com(0x08200000);
}
MCF_DSPI_DMCR = 0x800d3c00;
for (i = 0; i < 2; i++)
{
ret = sd_com(0x082000ff);
ret = sd_com(0x082000ff);
}
wait(10000);