static void cmd_handler (void)
{
/* Handle commands and filenames */
if (ieee_data.ieeeflags & COMMAND_RECVD) {
# ifdef HAVE_HOTPLUG
/* This seems to be a nice point to handle card changes */
if (disk_state != DISK_OK) {
set_busy_led(1);
/* If the disk was changed the buffer contents are useless */
if (disk_state == DISK_CHANGED || disk_state == DISK_REMOVED) {
free_multiple_buffers(FMB_ALL);
change_init();
filesystem_init(0);
} else {
/* Disk state indicated an error, try to recover by initialising */
filesystem_init(1);
}
update_leds();
}
# endif
if (ieee_data.secondary_address == 0x0f) {
parse_doscommand(); /* Command channel */
} else {
datacrc = 0xffff; /* Filename in command buffer */
file_open(ieee_data.secondary_address);
}
command_length = 0;
ieee_data.ieeeflags &= (uint8_t) ~COMMAND_RECVD;
} /* COMMAND_RECVD */
/* We're done, clean up unused buffers */
free_multiple_buffers(FMB_UNSTICKY);
d64_bam_commit();
}
int main(void) {
/* Early system initialisation */
board_init();
system_init_early();
leds_init();
set_busy_led(1);
set_dirty_led(0);
/* Due to an erratum in the LPC17xx chips anything that may change */
/* peripheral clock scalers must come before system_init_late() */
uart_init();
#ifndef SPI_LATE_INIT
spi_init(SPI_SPEED_SLOW);
#endif
timer_init();
bus_interface_init();
i2c_init();
/* Second part of system initialisation, switches to full speed on ARM */
system_init_late();
enable_interrupts();
/* Internal-only initialisation, called here because it's faster */
buffers_init();
buttons_init();
/* Anything that does something which needs the system clock */
/* should be placed after system_init_late() */
bus_init(); // needs delay
rtc_init(); // accesses I2C
disk_init(); // accesses card
read_configuration();
fatops_init(0);
change_init();
uart_puts_P(PSTR("\r\nsd2iec " VERSION " #"));
uart_puthex(device_address);
uart_putcrlf();
#ifdef CONFIG_REMOTE_DISPLAY
/* at this point all buffers should be free, */
/* so just use the data area of the first to build the string */
uint8_t *strbuf = buffers[0].data;
ustrcpy_P(strbuf, versionstr);
ustrcpy_P(strbuf+ustrlen(strbuf), longverstr);
if (display_init(ustrlen(strbuf), strbuf)) {
display_address(device_address);
display_current_part(0);
}
#endif
set_busy_led(0);
#if defined(HAVE_SD) && BUTTON_PREV != 0
/* card switch diagnostic aid - hold down PREV button to use */
if (!(buttons_read() & BUTTON_PREV)) {
while (buttons_read() & BUTTON_NEXT) {
set_dirty_led(sdcard_detect());
# ifndef SINGLE_LED
set_busy_led(sdcard_wp());
# endif
}
reset_key(0xff);
}
#endif
bus_mainloop();
while (1);
}
