Firebee/BaS_gcc
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changed types to use <stdint.h>

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This commit is contained in:
Markus Fröschle
2012-10-12 15:45:50 +00:00
parent d4ecd8a366
commit cd603546d7
44 changed files with 1990 additions and 1290 deletions
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77
BaS_GNU/sources/sd_card.c
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@@ -3,64 +3,59 @@
*/
#include <MCF5475.h>
#include <stdint.h>
#define dspi_dtar0 0x0c
#define dspi_dsr 0x2c
#define dspi_dtfr 0x34
#define dspi_drfr 0x38
#define time1us 1320
#define dspi_dtar0 0x0c
#define dspi_dsr 0x2c
#define dspi_dtfr 0x34
#define dspi_drfr 0x38
#define time1us 1320
extern void wait_10ms(void);
void sd_com(void) // byt senden und holen ---------------------
uint8_t sd_com(uint32_t cmd)
{
uint8_t res;
asm
{
MCF_DSPI_DTFR = cmd;
while (! MCF_DSPI_DSR & (1 << 7));
move.l d4,dspi_dtfr(a0)
wait_auf_complett:
btst.b #7,dspi_dsr(a0)
beq wait_auf_complett
move.l dspi_drfr(a0),d5
mov3q.l #-1,dspi_dsr(a0) // clr status register
}
res = MCF_DSPI_DRFR;
MCF_DSPI_DSR = -1L;
return res;
}
void sd_get_status(void) // status holen -------------------------------
/*
* fetch status from SD controller
*/
uint8_t sd_get_status(void)
{
asm
{
sd_get_status:
move.b #0xff,d4
bsr sd_com
cmp.b #0xff,d5
beq sd_get_status
}
uint8_t res;
while ((res = sd_com(0xff)) == 0xff);
return res;
}
void sd_rcv_info(void) // daten holen ----------------------------
void sd_rcv_info(uint8_t *buf, uint32_t size)
{
asm
{
moveq #18,d3 // 16 byts + 2 byts crc
move.b #0xff,d4
sd_rcv_rb_w:
bsr sd_get_status
cmp.b #0xfe,d5 // daten bereit?
bne sd_rcv_rb_w // nein->
sd_rcv_rd_rb:
bsr sd_com
move.b d5,(a2)+
subq.l #1,d3
bne sd_rcv_rd_rb
}
uint32_t rcvd = 0;
while (sd_get_status() != 0xfe); /* loop until data available */
do {
*buf++ = sd_com(0x18);
rcvd++;
} while (rcvd <= size);
}
void sd_card_idle(void)
{
#ifdef _NOT_USED_
asm
{
// sd idle
@@ -85,8 +80,11 @@ void sd_card_idle(void)
move.b #0x95,d4
bsr sd_com
}
#endif
}
#ifdef _NOT_USED_
int sd_card_init(void)
{
@@ -591,3 +589,4 @@ sd_csw_ok:
}
return status;
}
#endif /* _NOT_USED */