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implement 'hf iclass snoop -j'

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* fix long option --jam
* make room for one more bit for FPGA minor mode
* new mode FPGA_HF_READER_MODE_SEND_JAM
* implement jamming in Handle15693SampleFromReader
This commit is contained in:
pwpiwi 2019-11-13 16:42:29 +01:00
commit cd028159be
13 changed files with 116 additions and 68 deletions
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19
armsrc/fpgaloader.c
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@ -115,8 +115,7 @@ void SetupSpi(int mode)
// Set up the synchronous serial port with the set of options that fits
// the FPGA mode. Both RX and TX are always enabled.
//-----------------------------------------------------------------------------
void FpgaSetupSsc(uint8_t FPGA_mode)
{
void FpgaSetupSsc(uint16_t FPGA_mode) {
// First configure the GPIOs, and get ourselves a clock.
AT91C_BASE_PIOA->PIO_ASR =
GPIO_SSC_FRAME |
@ -136,7 +135,7 @@ void FpgaSetupSsc(uint8_t FPGA_mode)
// 8, 16 or 32 bits per transfer, no loopback, MSB first, 1 transfer per sync
// pulse, no output sync
if ((FPGA_mode & 0xe0) == FPGA_MAJOR_MODE_HF_READER && FpgaGetCurrent() == FPGA_BITSTREAM_HF) {
if ((FPGA_mode & 0x1c0) == FPGA_MAJOR_MODE_HF_READER && FpgaGetCurrent() == FPGA_BITSTREAM_HF) {
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(16) | AT91C_SSC_MSBF | SSC_FRAME_MODE_WORDS_PER_TRANSFER(0);
} else {
AT91C_BASE_SSC->SSC_RFMR = SSC_FRAME_MODE_BITS_IN_WORD(8) | AT91C_SSC_MSBF | SSC_FRAME_MODE_WORDS_PER_TRANSFER(0);
@ -450,10 +449,9 @@ void FpgaDownloadAndGo(int bitstream_version)
// The bit format is: C3 C2 C1 C0 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
// where C is the 4 bit command and D is the 12 bit data
//-----------------------------------------------------------------------------
void FpgaSendCommand(uint16_t cmd, uint16_t v)
{
void FpgaSendCommand(uint16_t cmd, uint16_t v) {
SetupSpi(SPI_FPGA_MODE);
while ((AT91C_BASE_SPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0); // wait for the transfer to complete
while ((AT91C_BASE_SPI->SPI_SR & AT91C_SPI_TXEMPTY) == 0); // wait for the transfer to complete
AT91C_BASE_SPI->SPI_TDR = AT91C_SPI_LASTXFER | cmd | v; // send the data
}
@ -462,21 +460,18 @@ void FpgaSendCommand(uint16_t cmd, uint16_t v)
// vs. clone vs. etc.). This is now a special case of FpgaSendCommand() to
// avoid changing this function's occurence everywhere in the source code.
//-----------------------------------------------------------------------------
void FpgaWriteConfWord(uint16_t v)
{
void FpgaWriteConfWord(uint16_t v) {
FpgaSendCommand(FPGA_CMD_SET_CONFREG, v);
}
//-----------------------------------------------------------------------------
// enable/disable FPGA internal tracing
//-----------------------------------------------------------------------------
void FpgaEnableTracing(void)
{
void FpgaEnableTracing(void) {
FpgaSendCommand(FPGA_CMD_TRACE_ENABLE, 1);
}
void FpgaDisableTracing(void)
{
void FpgaDisableTracing(void) {
FpgaSendCommand(FPGA_CMD_TRACE_ENABLE, 0);
}