1 files changed, 69 insertions, 0 deletions
diff --git a/src/rfid_asic_rc632_14443b.c b/src/rfid_asic_rc632_14443b.c
new file mode 100644
index 0000000..62aa224
--- /dev/null
+++ b/src/rfid_asic_rc632_14443b.c
@@ -0,0 +1,69 @@
+
+#include "rc632.h"
+
+int rc632_iso14443b_init(struct rc632_handle *handle)
+{
+	// FIXME: some FIFO work
+	//
+	ret = rc632_reg_write(handle, RC632_REG_TX_CONTROL,
+			      (RC632_TXCTRL_TX1_RF_EN |
+			       RC632_TXCTRL_TX2_RF_EN |
+			       RC632_TXCTRL_TX2_INV |
+			       RC632_TXCTRL_MOD_SRC_INT));
+
+	ret = rc632_reg_write(handle, RC632_REG_CW_CONDUCTANCE, 0x3f);
+
+	ret = rc632_reg_write(handle, RC632_REG_MOD_CONDUCTANCE, 0x04);
+
+	ret = rc632_reg_write(handle, RC632_REG_CODE_CONTROL,
+			      (RC632_CDRCTRL_TXCD_NRZ |
+			       RC632_CDRCTRL_RATE_14443B));
+
+	ret = rc632_reg_write(handle, RC632_REG_MOD_WIDTH, 0x13);
+
+	ret = rc632_reg_write(handle, RC632_REG_SOF_WIDTH, 0x3f);
+
+	ret = rc632_reg_write(handle, RC632_REG_TYPE_B_FRAMING,
+			      (RC632_TBFRAMING_SOF_11L_3H |
+			       (6 << RC632_TBFRAMING_SPACE_SHIFT) |
+			       RC632_TBFRAMING_EOF_11));
+
+	ret = rc632_reg_write(handle, RC632_REG_RX_CONTROL1,
+			      (RC632_RXCTRL1_GAIN_35DB |
+			       RC632_RXCTRL1_ISO14443 |
+			       RC632_RXCTRL1_SUBCP_8));
+
+	ret = rc632_reg_write(handle, RC632_REG_DECODE_CONTROL,
+			      (RC632_DECCTRL_BPSK |
+			       RC632_DECCTRL_RXFR_14443B));
+
+	ret = rc632_reg_write(handle, RC632_REG_BIT_PHASE,
+				CM5121_14443B_BITPHASE);
+
+	ret = rc632_reg_write(handle, RC632_REG_RX_THRESHOLD,
+				CM5121_14443B_THRESHOLD);
+
+	ret = rc632_reg_write(handle, RC632_REG_BPSK_DEM_CONTROL,
+			      ((0x10 & RC632_BPSKD_TAUB_MASK)<<RC632_BPSKD_TAUB_SHIFT |
+			       (0x11 & RC632_BPSKD_TAUD_MASK)<<RC632_BPSKD_TAUD_SHIFT |
+			       RC632_BPSKD_FILTER_AMP_DETECT |
+			       RC632_BPSKD_NO_RX_EOF |
+			       RC632_BPSKD_NO_RX_EGT));
+
+	ret = rc632_reg_write(handle, RC632_REG_RX_CONTROL2,
+			      (RC632_RXCTRL2_AUTO_PD |
+			       RC632_RXCTRL2_DECSRC_INT));
+
+	ret = rc632_reg_write(handle, RC632_REG_RX_WAIT, 0x03);
+
+	ret = rc632_reg_write(handle, RC632_REG_CHANNEL_RDUNDANCY,
+			      (RC632_CR_TX_CRC_ENABLE |
+			       RC632_CR_RX_CRC_ENABLE |
+			       RC632_CR_CR3309));
+
+	ret = rc632_reg_write(handle, RC632_REG_CRC_PRESET_LSB, 0xff);
+
+	ret = rc632_reg_write(handle, RC632_REG_CRC_PRESET_MSB, 0xff);
+
+}
+