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write diagnostic message if PIC initialization failed

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This commit is contained in:
Markus Fröschle
2012-11-24 07:00:00 +00:00
parent 9ecb9177dd
commit 1da2567df4
3 changed files with 27 additions and 6 deletions
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2
BaS_gcc/Makefile
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@@ -10,7 +10,7 @@
# can be either "Y" or "N" (without quotes). "Y" for using the m68k-elf-, "N" for using the m68k-atari-mint # can be either "Y" or "N" (without quotes). "Y" for using the m68k-elf-, "N" for using the m68k-atari-mint
# toolchain # toolchain
COMPILE_ELF=N COMPILE_ELF=Y
ifeq (Y,$(COMPILE_ELF)) ifeq (Y,$(COMPILE_ELF))
TCPREFIX=m68k-elf- TCPREFIX=m68k-elf-

15
BaS_gcc/sources/BaS.c
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@@ -57,7 +57,7 @@ static inline bool pic_rxready(void)
void write_pic_byte(uint8_t value) void write_pic_byte(uint8_t value)
{ {
/* Wait until the tramsmitter is ready or 1000us are passed */ /* Wait until the transmitter is ready or 1000us are passed */
waitfor(1000, pic_txready); waitfor(1000, pic_txready);
/* Transmit the byte */ /* Transmit the byte */
@@ -75,7 +75,7 @@ uint8_t read_pic_byte(void)
void pic_init(void) void pic_init(void)
{ {
char answer[4]; char answer[4] = "OLD";
xprintf("initialize the PIC: "); xprintf("initialize the PIC: ");
@@ -91,7 +91,14 @@ void pic_init(void)
answer[2] = read_pic_byte(); answer[2] = read_pic_byte();
answer[3] = '\0'; answer[3] = '\0';
xprintf("%s\r\n", answer); if (answer[0] != 'O' || answer[1] != 'K' || answer[2] != '!')
{
xprintf("PIC initialization failed. Already initialized?\r\n");
}
else
{
xprintf("%s\r\n", answer);
}
} }
void nvram_init(void) void nvram_init(void)
@@ -135,7 +142,7 @@ void BaS(void)
if (az_sectors > 0) if (az_sectors > 0)
{ {
//sd_card_idle(); sd_card_idle();
} }
pic_init(); pic_init();

16
BaS_gcc/sources/sd_card.c
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@@ -205,7 +205,21 @@ void sd_card_read_ic(void)
if (rb == 5) if (rb == 5)
{ {
; /* sd v1 */ while (rb == 5)
{
rb = sd_send_byte(0xff);
rb = sd_send_byte(0x7a);
rb = sd_send_byte(0x00);
rb = sd_send_byte(0x00);
rb = sd_send_byte(0x00);
rb = sd_send_byte(0x00);
rb = sd_send_byte(0x01);
rb = sd_card_get_status();
}
}
else if (rb == 1)
{
//sd_card_read_ic();
} }
else else
{ {