static void mmc_write_to_cmd_buffer(unsigned char mmcreplay_cmd_char)
{
/* Check for 0xff sync byte */
if (mmc_cmd_buffer_pointer == 0) {
if (mmcreplay_cmd_char < 0xff) {
/*LOG(("SPI: NOT write to buffer 1: %04x %02x",mmc_cmd_buffer_pointer,mmcreplay_cmd_char)); */
/* yuck! hack! hack1 */
if (mmcreplay_cmd_char == 0x51) {
mmc_cmd_buffer[0] = 0xff;
mmc_cmd_buffer_pointer++;
} else {
return;
}
}
}
/* Check for one 0xff sync byte too much */
if (mmc_cmd_buffer_pointer == 1) {
if (mmcreplay_cmd_char == 0xff) {
mmc_cmd_buffer_pointer = 0;
return;
}
}
/*LOG(("SPI: write to buffer: %04x %02x",mmc_cmd_buffer_pointer,mmcreplay_cmd_char));*/
/* Write byte to buffer */
mmc_cmd_buffer[mmc_cmd_buffer_pointer] = mmcreplay_cmd_char;
mmc_cmd_buffer_pointer++;
#if 0
LOG(("SPI: buffer: %02x %02x %02x %02x %02x %02x %02x %02x",
mmc_cmd_buffer[0],
mmc_cmd_buffer[1],
mmc_cmd_buffer[2],
mmc_cmd_buffer[3],
mmc_cmd_buffer[4],
mmc_cmd_buffer[5],
mmc_cmd_buffer[6],
mmc_cmd_buffer[7],
mmc_cmd_buffer[8],
mmc_cmd_buffer[9]
));
#endif
/* If the buffer is full, execute the buffer and clear it */
if ((mmc_cmd_buffer_pointer > 9) ||
/* if ((mmc_cmd_buffer_pointer > 8) || */
(mmc_cmd_buffer_pointer > 7 && mmc_cmd_buffer[1] == 0x40) || /* cmd0 */
(mmc_cmd_buffer_pointer > 8 && mmc_cmd_buffer[1] == 0x48) || /* cmd8 */
(mmc_cmd_buffer_pointer > 8 && mmc_cmd_buffer[1] == 0x49) || /* cmd9 */
(mmc_cmd_buffer_pointer > 8 && mmc_cmd_buffer[1] == 0x4a) || /* cmd10 */
(mmc_cmd_buffer_pointer > 8 && mmc_cmd_buffer[1] == 0x50) /* cmd16 */
/* || (mmc_cmd_buffer_pointer > 8 && mmc_cmd_buffer[1] == 0x51) */ /* cmd17 */
)
{
mmc_execute_cmd();
mmc_clear_cmd_buffer();
}
}
/* Resets the card */
static void mmc_reset_card(void)
{
spi_mmc_trigger_mode_write(0);
spi_mmc_card_selected_write(0);
/* mmcreplay_cport = 0; */
/* mmcreplay_speed = 0; */
mmc_card_reset_count = 0;
mmc_image_pointer = 0;
mmc_block_size = 512;
mmc_clear_cmd_buffer();
}
