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hf mfu dump - bigbuf allocation fix

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some larger nfc tags can get large so set the allocation to the 4k
CARD_MEMORY_SIZE buffersize.
This commit is contained in:
marshmellow42 2015-05-19 11:30:50 -04:00
parent 29250969b0
commit d7acc6403e
1 changed files with 12 additions and 3 deletions
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15
armsrc/mifarecmd.c
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@ -250,17 +250,26 @@ void MifareReadSector(uint8_t arg0, uint8_t arg1, uint8_t arg2, uint8_t *datain)
void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
{
// free eventually allocated BigBuf memory
BigBuf_free();
// clear trace
clear_trace();
// params
uint8_t blockNo = arg0;
uint16_t blocks = arg1;
bool useKey = (arg2 == 1); //UL_C
bool usePwd = (arg2 == 2); //UL_EV1/NTAG
uint32_t countblocks = 0;
uint8_t *dataout = BigBuf_get_addr();
uint8_t *dataout = BigBuf_malloc(CARD_MEMORY_SIZE);
if (dataout == NULL){
Dbprintf("out of memory");
OnError(1);
return;
}
LEDsoff();
LED_A_ON();
clear_trace();
iso14443a_setup(FPGA_HF_ISO14443A_READER_LISTEN);
int len = iso14443a_select_card(NULL, NULL, NULL);
@ -294,7 +303,7 @@ void MifareUReadCard(uint8_t arg0, uint16_t arg1, uint8_t arg2, uint8_t *datain)
}
for (int i = 0; i < blocks; i++){
if ((i*4) + 4 > BigBuf_get_traceLen()) {
if ((i*4) + 4 > CARD_MEMORY_SIZE) {
Dbprintf("Data exceeds buffer!!");
break;
}