uint8_t start_capture(char* filename)
{
sd_reset();
uint8_t result = init_sd_card();
if (result != SD_SUCCESS) {
return result;
}
capturedBytes = 0L;
file = NULL;
// Always operate in truncation mode.
sdcard.delete_file(filename);
uint8_t rc = sdcard.create_file(filename);
if (rc == 0) {
return SD_ERR_FILE_NOT_FOUND;
//return rc;
}
rc = sdcard.open_file(filename,&file);
if (rc == 0) {
return SD_ERR_PARTITION_READ;
}
if (file == NULL) {
return SD_ERR_GENERIC;
}
capturing = true;
return SD_SUCCESS;
}
uint8_t sd_scan_reset() {
sd_reset();
uint8_t rsp = init_sd_card();
if (rsp != SD_SUCCESS) {
return rsp;
}
return sdcard.sd_scan_reset();
}
static void _init( u16 hard )
{
if ( hard == 0 ) // 0 is soft reset
{
VDP_drawText ( "BUG HUNT", 16, 9 );
VDP_drawText ( "FOR SEGA MEGADRIVE", 11, 11 );
VDP_drawText ( "BY THE AFROMONKEYS, 2015", 8, 13 );
waitMs(3000);
// That's weird.
// Resetting in SGDK v1.11 invokes JOY_init() that
// makes Justifier | Menacer not to be detected if
// mouse is on PORT_1
if ( JOY_getPortType(PORT_1) != PORT_TYPE_PAD )
{
VDP_drawText ( "PLEASE, REBOOT YOUR SYSTEM", 7, 19 );
while ( 1 );
}
_start_entry(); // even more reset
}
sd_reset();
SYS_assertReset(); // makes gensKmod crash, WTF?!
VDP_init();
//JOY_init(); // can cause mouse + justifer issues
h_scroll = 0;
VDP_setScrollingMode ( HSCROLL_PLANE, VSCROLL_PLANE ); /* The scroll mode never change during the game */
VDP_setPlanSize(64,32);
save_init( );
SPR_init(0); /* Sprite Engine INIT */
VDP_setPalette(PAL3, sprpal.data); /* Sprite Palette (never change during the game) */
/* PAD & Mouse (PORT_1) & Lightgun (PORT_2) Support */
_JOYint ( TRUE );
LightgunInit ( PORT_2 );
VINT_SCROLL_FLAG = FALSE;
VINT_JOY_UPDATE = FALSE;
SYS_setVIntCallback((_voidCallback*) VIntCallback);
FIRST_TIME_FLAG = TRUE;
}
static void ss_reset(ss_t *s, const size_t alloc_size, const sbool_t ext_buf)
{
S_ASSERT(s);
if (s) { /* do not change 'ext_buffer' */
sd_reset((sd_t *)s, sd_alloc_size_to_is_big(alloc_size, &ssf),
alloc_size, ext_buf);
set_unicode_size_cached(s, S_TRUE);
if (s->is_full) {
set_unicode_size_h(s, 0);
}
set_encoding_errors(s, S_FALSE);
set_unicode_size(s, 0);
}
}
uint8_t start_playback(char* filename) {
sd_reset();
uint8_t result = init_sd_card();
if (result != SD_SUCCESS) {
return result;
}
capturedBytes = 0L;
file = NULL;
uint8_t rc = sdcard.open_file(filename, &file);
if (rc == 0 || file == NULL) {
return SD_ERR_FILE_NOT_FOUND;
}
playing = true;
fetch_next_byte();
return SD_SUCCESS;
}
DSTATUS disk_initialize (void)
{
DSTATUS stat;
send_data_uart0_str("Init of sd card\r\n");
if(sd_reset() == SD_NO_ERROR)
{
stat = 0;
sd_init = TRUE;
}
else
{
stat = STA_NOINIT;
}
return stat;
}
int main(void) {
uint32_t sysTickRate;
Board_Init();
#ifdef DEBUG
// Set up UART for debug
init_uart(115200);
putLineUART("\n");
#endif
// Enable EEPROM clock and reset EEPROM controller
Chip_Clock_EnablePeriphClock(SYSCTL_CLOCK_EEPROM);
Chip_SYSCTL_PeriphReset(RESET_EEPROM);
// Set up clocking for SD lib
SystemCoreClockUpdate();
DWT_Init();
// Set up the FatFS Object
f_mount(fatfs,"",0);
// Initialize SD card
Board_LED_Color(LED_CYAN);
if(sd_reset(&cardinfo) != SD_OK) {
error(ERROR_SD_INIT);
}
sd_state = SD_READY;
// Setup config
Board_LED_Color(LED_CYAN);
configStart();
Board_LED_Color(LED_GREEN);
// Allow MSC mode on startup
msc_state = MSC_ENABLED;
// Log startup
log_string("Startup");
// Set up ADC for reading battery voltage
read_vBat_setup();
// Initialize ring buffer used to buffer raw data samples
rawBuff = RingBuffer_initWithBuffer(RAW_BUFF_SIZE, RAM1_BASE);
// Set up MRT used by pb and daq
Chip_MRT_Init();
NVIC_ClearPendingIRQ(MRT_IRQn);
NVIC_EnableIRQ(MRT_IRQn);
NVIC_SetPriority(MRT_IRQn, 0x02); // Set higher than systick, but lower than sampling
// Initialize push button
pb_init();
// Enable and setup SysTick Timer at a periodic rate
Chip_Clock_SetSysTickClockDiv(1);
sysTickRate = Chip_Clock_GetSysTickClockRate();
SysTick_Config(sysTickRate / TICKRATE_HZ1);
// Idle and run systick loop until triggered or plugged in as a USB device
system_state = STATE_IDLE;
enterIdleTime = Chip_RTC_GetCount(LPC_RTC);
// Wait for interrupts
while (1) {
__WFI();
}
return 0 ;
}
uint8_t sd_init() {
uint8_t i,r1, time = 0;
//sd reset
sd_reset();
//set CS low
cs_enable();
//check interface operating condition
r1 = sd_send_cmd(CMD8, 0x000001aa, 0x87);
//if support Ver1.x,but do not support Ver2.0,set CS high and return r1
if (r1 == 0x05) {
//set CS high and send 8 clocks
cs_disable();
sd_type = SD_CARD_TYPE_SD1;
return r1;
}
//read the other 4 bytes of response(the response of CMD8 is 5 bytes)
for(i=0;i<4;i++) r1 = spi_read_byte();
sd_type = SD_CARD_TYPE_SD2;
serial_printf("support Ver2.0\n");
//send CMD55+ACMD41 to initial SD card
do {
do {
r1 = sd_send_cmd(CMD55, 0, 0xff);
time++;
//if time out,set CS high and return r1
if (time > 254){
//set CS high and send 8 clocks
cs_disable();
return r1;
}
} while (r1 != 0x01);
r1 = sd_send_cmd(ACMD41, 0x40000000, 0xff);
//send CMD1 to initial SD card
// r1 = sd_send_cmd(CMD1,0x00ffc000,0xff);
time++;
//if time out,set CS high and return r1
if (time > 254) {
//set CS high and send 8 clocks
cs_disable();
return r1;
}
} while (r1 != 0x00);
// if SD2 read OCR register to check for SDHC card
r1 = sd_send_cmd(CMD58,0,0xFF);
if (r1 == 0x05) {
cs_disable();
return r1;
}
r1 = spi_read_byte();
if(r1 & 0x40){
sd_type = SD_CARD_TYPE_SDHC;
serial_printf("SDHC card \n");
}
for(i=0;i<3;i++) r1 = spi_read_byte();
//set CS high and send 8 clocks
cs_disable();
serial_printf("sd_init ok\n");
return 0;
}