// Download the fpga image starting at current stream position with length FpgaImageLen bytes
static void DownloadFPGA(int bitstream_version, int FpgaImageLen, z_streamp compressed_fpga_stream, uint8_t *output_buffer)
{
Dbprintf("DownloadFPGA(len: %d)", FpgaImageLen);
int i=0;
AT91C_BASE_PIOA->PIO_OER = GPIO_FPGA_ON;
AT91C_BASE_PIOA->PIO_PER = GPIO_FPGA_ON;
HIGH(GPIO_FPGA_ON); // ensure everything is powered on
SpinDelay(50);
LED_D_ON();
// These pins are inputs
AT91C_BASE_PIOA->PIO_ODR =
GPIO_FPGA_NINIT |
GPIO_FPGA_DONE;
// PIO controls the following pins
AT91C_BASE_PIOA->PIO_PER =
GPIO_FPGA_NINIT |
GPIO_FPGA_DONE;
// Enable pull-ups
AT91C_BASE_PIOA->PIO_PPUER =
GPIO_FPGA_NINIT |
GPIO_FPGA_DONE;
// setup initial logic state
HIGH(GPIO_FPGA_NPROGRAM);
LOW(GPIO_FPGA_CCLK);
LOW(GPIO_FPGA_DIN);
// These pins are outputs
AT91C_BASE_PIOA->PIO_OER =
GPIO_FPGA_NPROGRAM |
GPIO_FPGA_CCLK |
GPIO_FPGA_DIN;
// enter FPGA configuration mode
LOW(GPIO_FPGA_NPROGRAM);
SpinDelay(50);
HIGH(GPIO_FPGA_NPROGRAM);
i=100000;
// wait for FPGA ready to accept data signal
while ((i) && ( !(AT91C_BASE_PIOA->PIO_PDSR & GPIO_FPGA_NINIT ) ) ) {
i--;
}
// crude error indicator, leave both red LEDs on and return
if (i==0){
LED_C_ON();
LED_D_ON();
return;
}
for(i = 0; i < FpgaImageLen; i++) {
int b = get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer);
if (b < 0) {
Dbprintf("Error %d during FpgaDownload", b);
break;
}
DownloadFPGA_byte(b);
}
// continue to clock FPGA until ready signal goes high
i=100000;
while ( (i--) && ( !(AT91C_BASE_PIOA->PIO_PDSR & GPIO_FPGA_DONE ) ) ) {
HIGH(GPIO_FPGA_CCLK);
LOW(GPIO_FPGA_CCLK);
}
// crude error indicator, leave both red LEDs on and return
if (i==0){
LED_C_ON();
LED_D_ON();
return;
}
LED_D_OFF();
}
void MifareDesfireGetInformation(){
int len = 0;
uint8_t resp[USB_CMD_DATA_SIZE] = {0x00};
uint8_t dataout[USB_CMD_DATA_SIZE] = {0x00};
byte_t cardbuf[USB_CMD_DATA_SIZE] = {0x00};
/*
1 = PCB 1
2 = cid 2
3 = desfire command 3
4-5 = crc 4 key
5-6 crc
PCB == 0x0A because sending CID byte.
CID == 0x00 first card?
*/
clear_trace();
set_tracing(TRUE);
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
// card select - information
iso14a_card_select_t *card = (iso14a_card_select_t*)cardbuf;
byte_t isOK = iso14443a_select_card(NULL, card, NULL, true, 0);
if ( isOK == 0) {
if (MF_DBGLEVEL >= MF_DBG_ERROR) {
Dbprintf("Can't select card");
}
OnError(1);
return;
}
memcpy(dataout,card->uid,7);
LED_A_ON();
LED_B_OFF();
LED_C_OFF();
uint8_t cmd[] = {GET_VERSION};
size_t cmd_len = sizeof(cmd);
len = DesfireAPDU(cmd, cmd_len, resp);
if ( !len ) {
print_result("ERROR <--: ", resp, len);
OnError(2);
return;
}
LED_A_OFF();
LED_B_ON();
memcpy(dataout+7,resp+3,7);
// ADDITION_FRAME 1
cmd[0] = ADDITIONAL_FRAME;
len = DesfireAPDU(cmd, cmd_len, resp);
if ( !len ) {
print_result("ERROR <--: ", resp, len);
OnError(2);
return;
}
LED_B_OFF();
LED_C_ON();
memcpy(dataout+7+7,resp+3,7);
// ADDITION_FRAME 2
len = DesfireAPDU(cmd, cmd_len, resp);
if ( !len ) {
print_result("ERROR <--: ", resp, len);
OnError(2);
return;
}
memcpy(dataout+7+7+7,resp+3,14);
cmd_send(CMD_ACK,1,0,0,dataout,sizeof(dataout));
// reset the pcb_blocknum,
pcb_blocknum = 0;
OnSuccess();
}
