70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
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#include "rc632.h"
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int rc632_iso14443b_init(struct rc632_handle *handle)
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{
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// FIXME: some FIFO work
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//
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ret = rc632_reg_write(handle, RC632_REG_TX_CONTROL,
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(RC632_TXCTRL_TX1_RF_EN |
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RC632_TXCTRL_TX2_RF_EN |
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RC632_TXCTRL_TX2_INV |
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RC632_TXCTRL_MOD_SRC_INT));
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ret = rc632_reg_write(handle, RC632_REG_CW_CONDUCTANCE, 0x3f);
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ret = rc632_reg_write(handle, RC632_REG_MOD_CONDUCTANCE, 0x04);
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ret = rc632_reg_write(handle, RC632_REG_CODE_CONTROL,
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(RC632_CDRCTRL_TXCD_NRZ |
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RC632_CDRCTRL_RATE_14443B));
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ret = rc632_reg_write(handle, RC632_REG_MOD_WIDTH, 0x13);
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ret = rc632_reg_write(handle, RC632_REG_SOF_WIDTH, 0x3f);
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ret = rc632_reg_write(handle, RC632_REG_TYPE_B_FRAMING,
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(RC632_TBFRAMING_SOF_11L_3H |
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(6 << RC632_TBFRAMING_SPACE_SHIFT) |
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RC632_TBFRAMING_EOF_11));
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ret = rc632_reg_write(handle, RC632_REG_RX_CONTROL1,
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(RC632_RXCTRL1_GAIN_35DB |
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RC632_RXCTRL1_ISO14443 |
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RC632_RXCTRL1_SUBCP_8));
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ret = rc632_reg_write(handle, RC632_REG_DECODE_CONTROL,
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(RC632_DECCTRL_BPSK |
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RC632_DECCTRL_RXFR_14443B));
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ret = rc632_reg_write(handle, RC632_REG_BIT_PHASE,
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CM5121_14443B_BITPHASE);
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ret = rc632_reg_write(handle, RC632_REG_RX_THRESHOLD,
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CM5121_14443B_THRESHOLD);
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ret = rc632_reg_write(handle, RC632_REG_BPSK_DEM_CONTROL,
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((0x10 & RC632_BPSKD_TAUB_MASK)<<RC632_BPSKD_TAUB_SHIFT |
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(0x11 & RC632_BPSKD_TAUD_MASK)<<RC632_BPSKD_TAUD_SHIFT |
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RC632_BPSKD_FILTER_AMP_DETECT |
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RC632_BPSKD_NO_RX_EOF |
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RC632_BPSKD_NO_RX_EGT));
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ret = rc632_reg_write(handle, RC632_REG_RX_CONTROL2,
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(RC632_RXCTRL2_AUTO_PD |
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RC632_RXCTRL2_DECSRC_INT));
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ret = rc632_reg_write(handle, RC632_REG_RX_WAIT, 0x03);
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ret = rc632_reg_write(handle, RC632_REG_CHANNEL_RDUNDANCY,
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(RC632_CR_TX_CRC_ENABLE |
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RC632_CR_RX_CRC_ENABLE |
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RC632_CR_CR3309));
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ret = rc632_reg_write(handle, RC632_REG_CRC_PRESET_LSB, 0xff);
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ret = rc632_reg_write(handle, RC632_REG_CRC_PRESET_MSB, 0xff);
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}
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