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testing to extent DMA buffer to 768 bytes
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3baf5acc6f
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@ -92,9 +92,9 @@ uint32_t BigBuf_get_size(void) {
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// get the address of the emulator memory. Allocate part of Bigbuf for it, if not yet done
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uint8_t *BigBuf_get_EM_addr(void) {
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// not yet allocated
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if (emulator_memory == NULL)
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emulator_memory = BigBuf_malloc(CARD_MEMORY_SIZE);
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if (emulator_memory == NULL) {
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emulator_memory = BigBuf_calloc(CARD_MEMORY_SIZE);
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}
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return emulator_memory;
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}
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@ -366,8 +366,9 @@ void tosend_stuffbit(int b) {
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}
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dmabuf16_t *get_dma16(void) {
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if (dma_16.buf == NULL)
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if (dma_16.buf == NULL) {
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dma_16.buf = (uint16_t *)BigBuf_malloc(DMA_BUFFER_SIZE * sizeof(uint16_t));
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}
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return &dma_16;
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}
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@ -26,7 +26,7 @@
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#define MAX_MIFARE_FRAME_SIZE 18 // biggest Mifare frame is answer to a read (one block = 16 Bytes) + 2 Bytes CRC
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#define MAX_MIFARE_PARITY_SIZE 3 // need 18 parity bits for the 18 Byte above. 3 Bytes are enough to store these
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#define CARD_MEMORY_SIZE 4096
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#define DMA_BUFFER_SIZE 512
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#define DMA_BUFFER_SIZE (512 + 256)
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// 8 data bits and 1 parity bit per payload byte, 1 correction bit, 1 SOC bit, 2 EOC bits
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#define TOSEND_BUFFER_SIZE (9 * MAX_FRAME_SIZE + 1 + 1 + 2)
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