diff options
Diffstat (limited to 'openpcd/firmware/src/picc/ssc_picc.c')
| -rw-r--r-- | openpcd/firmware/src/picc/ssc_picc.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/openpcd/firmware/src/picc/ssc_picc.c b/openpcd/firmware/src/picc/ssc_picc.c index 0cd20cc..ac371b7 100644 --- a/openpcd/firmware/src/picc/ssc_picc.c +++ b/openpcd/firmware/src/picc/ssc_picc.c @@ -15,9 +15,9 @@ #include <lib_AT91SAM7.h> #include <openpcd.h> -#include "usb_handler.h" -#include "openpcd.h" -#include "dbgu.h" +#include <os/usb_handler.h> +#include <os/dbgu.h> +#include "../openpcd.h" /* definitions for four-times oversampling */ #define REQA 0x10410441 @@ -27,9 +27,11 @@ static const AT91PS_SSC ssc = AT91C_BASE_SSC; static AT91PS_PDC rx_pdc; enum ssc_mode { + SSC_MODE_NONE, SSC_MODE_14443A_SHORT, SSC_MODE_14443A_STANDARD, SSC_MODE_14443B, + SSC_MODE_EDGE_ONE_SHOT, }; struct ssc_state { @@ -57,7 +59,6 @@ static void ssc_rx_mode_set(enum ssc_mode ssc_mode) AT91C_SSC_CP0 | AT91C_SSC_CP1); switch (ssc_mode) { -#ifdef CONFIG_PICCSIM case SSC_MODE_14443A_SHORT: start_cond = AT91C_SSC_START_0; sync_len = ISO14443A_SOF_LEN; @@ -76,7 +77,12 @@ static void ssc_rx_mode_set(enum ssc_mode ssc_mode) /* start sampling at first falling data edge */ //start_cond = break; -#endif /* CONFIG_PICCSIM */ + case SSC_MODE_EDGE_ONE_SHOT: + start_cond = AT91C_SSC_START_EDGE_RF; + sync_len = 0; + data_len = 8; + num_data = 50; + break; default: return; } @@ -107,7 +113,6 @@ static void ssc_tx_mode_set(enum ssc_mode ssc_mode) AT91C_SSC_TXBUFE | AT91C_SSC_TXSYN; switch (ssc_mode) { -#ifdef CONFIG_PICCSIM case SSC_MODE_14443A_SHORT: start_cond = AT91C_SSC_START_RISE_RF; sync_len = ISO14443A_SOF_LEN; @@ -121,7 +126,6 @@ static void ssc_tx_mode_set(enum ssc_mode ssc_mode) data_len = 1; num_data = 1; /* FIXME */ break; -#endif /* CONFIG_PICCSIM */ } ssc->SSC_TFMR = (data_len-1) & 0x1f | (((num_data-1) & 0x0f) << 8) | @@ -169,7 +173,7 @@ static char dmabuf2[512]; */ static int8_t ssc_rx_refill(void) { -#if 0 +#if 1 struct req_ctx *rctx; rctx = req_ctx_find_get(RCTX_STATE_FREE, RCTX_STATE_SSC_RX_BUSY); @@ -230,7 +234,6 @@ static void ssc_irq(void) DEBUGP("RX OVERRUN "); switch (ssc_state.mode) { -#ifdef CONFIG_PICCSIM case SSC_MODE_14443A_SHORT: if (ssc_sr & AT91C_SSC_RXSYN) DEBUGP("RXSYN "); @@ -274,7 +277,6 @@ static void ssc_irq(void) AT91C_SSC_OVRUN); } break; -#endif /* CONFIG_PICCSIM */ } } |