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Generic tracing pt.3 : reworking how iso14443b-traces are stored in ARM-memory

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Martin Holst Swende 2015-01-21 23:53:40 +01:00
commit 9e8255d4e9
5 changed files with 32 additions and 24 deletions
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18
armsrc/iso14443.c
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@ -628,30 +628,26 @@ static void GetSamplesFor14443Demod(int weTx, int n, int quiet)
int max = 0;
int gotFrame = FALSE;
//# define DMA_BUFFER_SIZE 8
int8_t *dmaBuf;
int lastRxCounter;
int8_t *upTo;
int ci, cq;
int samples = 0;
// Clear out the state of the "UART" that receives from the tag.
memset(BigBuf, 0x00, 400);
Demod.output = (uint8_t *)BigBuf;
memset(Demod.output, 0x00, MAX_FRAME_SIZE);
Demod.output = ((uint8_t *)BigBuf) + RECV_RESP_OFFSET;
Demod.len = 0;
Demod.state = DEMOD_UNSYNCD;
// And the UART that receives from the reader
Uart.output = (((uint8_t *)BigBuf) + 1024);
Uart.byteCntMax = 100;
Uart.output = ((uint8_t *)BigBuf) + RECV_CMD_OFFSET;
Uart.byteCntMax = MAX_FRAME_SIZE;
Uart.state = STATE_UNSYNCD;
// Setup for the DMA.
dmaBuf = (int8_t *)(BigBuf + 32);
upTo = dmaBuf;
// The DMA buffer, used to stream samples from the FPGA
int8_t *dmaBuf = ((int8_t *)BigBuf) + DMA_BUFFER_OFFSET;
int8_t *upTo= dmaBuf;
lastRxCounter = DEMOD_DMA_BUFFER_SIZE;
FpgaSetupSscDma((uint8_t *)dmaBuf, DEMOD_DMA_BUFFER_SIZE);