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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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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)
{
/* Wait until the tramsmitter is ready or 1000us are passed */
/* Wait until the transmitter is ready or 1000us are passed */
waitfor(1000, pic_txready);
/* Transmit the byte */
@@ -75,7 +75,7 @@ uint8_t read_pic_byte(void)
void pic_init(void)
{
char answer[4];
char answer[4] = "OLD";
xprintf("initialize the PIC: ");
@@ -91,7 +91,14 @@ void pic_init(void)
answer[2] = read_pic_byte();
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)
@@ -135,7 +142,7 @@ void BaS(void)
if (az_sectors > 0)
{
//sd_card_idle();
sd_card_idle();
}
pic_init();