From 05c7e304271bcf88901da3782fcd3f28a0c7c9cf Mon Sep 17 00:00:00 2001 From: laforge Date: Tue, 8 Nov 2005 08:34:15 +0000 Subject: use autoconf/automake git-svn-id: https://svn.gnumonks.org/trunk/librfid@1658 e0336214-984f-0b4b-a45f-81c69e1f0ede --- rfid_asic_rc632_14443a.c | 394 ----------------------------------------------- 1 file changed, 394 deletions(-) delete mode 100644 rfid_asic_rc632_14443a.c (limited to 'rfid_asic_rc632_14443a.c') diff --git a/rfid_asic_rc632_14443a.c b/rfid_asic_rc632_14443a.c deleted file mode 100644 index 4c8a37b..0000000 --- a/rfid_asic_rc632_14443a.c +++ /dev/null @@ -1,394 +0,0 @@ -/* - * Philips CL RC632 primitives for ISO 14443-A compliant PICC's - * - * (C) 2005 by Harald Welte - * - */ - -#include -#include -#include - -#include -#include -#include - -#include "rc632.h" - -#include "cm5121_rfid.h" /* FIXME: this needs to be modular */ - -static int -rc632_iso14443a_init(struct rfid_asic_handle *handle) -{ - int ret; - -#if 0 - ret = rc632_power_up(handle); - if (ret < 0) - return ret; - - ret = rc632_turn_on_rf(handle); - if (ret < 0) - return ret; -#endif - - // FIXME: some fifo work (drain fifo?) - - /* flush fifo (our way) */ - ret = rc632_reg_write(handle, RC632_REG_CONTROL, 0x01); - - 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_FORCE_100_ASK | - RC632_TXCTRL_MOD_SRC_INT)); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CW_CONDUCTANCE, - CM5121_CW_CONDUCTANCE); - if (ret < 0) - return ret; - - /* Since FORCE_100_ASK is set (cf mc073930.pdf), this line may be left out? */ - ret = rc632_reg_write(handle, RC632_REG_MOD_CONDUCTANCE, - CM5121_MOD_CONDUCTANCE); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CODER_CONTROL, - (RC632_CDRCTRL_TXCD_14443A | - RC632_CDRCTRL_RATE_106K)); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_MOD_WIDTH, 0x13); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_MOD_WIDTH_SOF, 0x3f); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_TYPE_B_FRAMING, 0x00); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_RX_CONTROL1, - (RC632_RXCTRL1_GAIN_35DB | - RC632_RXCTRL1_ISO14443 | - RC632_RXCTRL1_SUBCP_8)); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_DECODER_CONTROL, - (RC632_DECCTRL_MANCHESTER | - RC632_DECCTRL_RXFR_14443A)); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_BIT_PHASE, - CM5121_14443A_BITPHASE); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_RX_THRESHOLD, - CM5121_14443A_THRESHOLD); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_BPSK_DEM_CONTROL, 0x00); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_RX_CONTROL2, - (RC632_RXCTRL2_DECSRC_INT | - RC632_RXCTRL2_CLK_Q)); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_RX_WAIT, 0x03); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CHANNEL_REDUNDANCY, - (RC632_CR_PARITY_ENABLE | - RC632_CR_PARITY_ODD)); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CRC_PRESET_LSB, 0x63); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CRC_PRESET_MSB, 0x63); - if (ret < 0) - return ret; - - return 0; -} - -static int -rc632_iso14443a_fini(struct iso14443a_handle *handle_14443) -{ - -#if 0 - ret = rc632_turn_off_rf(handle); - if (ret < 0) - return ret; -#endif - - - return 0; -} - -#if 0 -int -rc632_iso14443a_select(struct rc632_handle *handle, - unsigned char *retptr, - ) -{ - int ret; - unsigned char tx_buf[7]; - unsigned char rx_buf[64]; - unsigned char rx_len = 1; - - memset(rx_buf, 0, sizeof(rx_buf)); - - tx_buf[0] = arg_8; - tx_buf[1] = 0x70; - (u_int32_t *)tx_buf[2] = arg_4; - tx_buf[6] = arg4+4; - - /* disable mifare cryto */ - ret = rc632_clear_bit(handle, RC632_REG_CONTROL, - RC632_CONTROL_CRYPTO1_ON); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CHANNEL_REDUNDANCY, - (RC632_CR_PARITY_ENABLE | - RC632_CR_PARITY_ODD | - RC632_CR_TX_CRC_ENABLE | - RC632_CR_RX_CRC_ENABLE)); - if (ret < 0) - return ret; - - ret = rc632_transcieve(handle, tx_buf, sizeof(tx_buf), - rx_buf, &rx_len, 0x32, 0); - - if (ret < 0 || rx_len != 1) - return ret; - - *retptr = rx_buf[0]; - - return 0; -} - -/* issue a 14443-3 A PCD -> PICC command, such as REQA, WUPA */ -int -rc632_iso14443a_req(sutruct rc632_handle *handle, unsigned char req, - unsigned char *resp) -{ - int ret; - unsigned char tx_buf[1]; - unsigned char rx_buf[0x40]; - unsigned char rx_len = 2; - - memset(rx_buf, 0, sizeof(rx_buf)); - - tx_buf[0] = req; - - /* transfer only 7 bits of last byte in frame */ - ret = rc632_reg_write(handle, RC632_REG_BIT_FRAMING, 0x07); - if (ret < 0) - return ret; - - - ret = rc632_clear_bits(handle, RC632_REG_CONTROL, - RC632_CONTROL_CRYPTO1_ON); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CHANNEL_REDUNDANCY, - (RC632_CR_PARITY_ENABLE | - RC632_CR_PARITY_ODD)); - if (ret < 0) - return ret; - - ret = rc632_transcieve(handle, tx_buf, sizeof(tx_buf), rx_buf, - &rx_len, 0x32, 0); - if (ret < 0) - return ret; - - /* switch back to normal 8bit last byte */ - ret = rc632_reg_write(handle, RC632_REG_BIT_FRAMING, 0x00); - if (ret < 0) - return ret; - - if ((rx_len != 2) || (rx_buf[1] != 0xf0)) - return -1; - - resp[0] = rx_buf[0]; - resp[1] = rx_buf[1]; - - return 0; -} -#endif - -/* issue a 14443-3 A PCD -> PICC command in a short frame, such as REQA, WUPA */ -static int -rc632_iso14443a_transcieve_sf(struct rfid_asic_handle *handle, - unsigned char cmd, - struct iso14443a_atqa *atqa) -{ - int ret; - unsigned char tx_buf[1]; - unsigned char rx_len = 2; - - memset(atqa, 0, sizeof(atqa)); - - tx_buf[0] = cmd; - - /* transfer only 7 bits of last byte in frame */ - ret = rc632_reg_write(handle, RC632_REG_BIT_FRAMING, 0x07); - if (ret < 0) - return ret; - - - ret = rc632_clear_bits(handle, RC632_REG_CONTROL, - RC632_CONTROL_CRYPTO1_ON); - if (ret < 0) - return ret; - - ret = rc632_reg_write(handle, RC632_REG_CHANNEL_REDUNDANCY, - (RC632_CR_PARITY_ENABLE | - RC632_CR_PARITY_ODD)); - if (ret < 0) - return ret; - - ret = rc632_transcieve(handle, tx_buf, sizeof(tx_buf), - (unsigned char *)atqa, &rx_len, 0x32, 0); - if (ret < 0) { - DEBUGP("error during rc632_transcieve()\n"); - return ret; - } - - /* switch back to normal 8bit last byte */ - ret = rc632_reg_write(handle, RC632_REG_BIT_FRAMING, 0x00); - if (ret < 0) - return ret; - - if (rx_len != 2) { - DEBUGP("rx_len(%d) != 2\n", rx_len); - return -1; - } - - return 0; -} - -/* transcieve regular frame */ -static int -rc632_iso14443a_transcieve(struct rfid_asic_handle *handle, - const unsigned char *tx_buf, unsigned int tx_len, - unsigned char *rx_buf, unsigned int *rx_len, - unsigned int timeout, unsigned int flags) -{ - int ret; - unsigned char rxl = *rx_len & 0xff; - - memset(rx_buf, 0, *rx_len); - - ret = rc632_reg_write(handle, RC632_REG_CHANNEL_REDUNDANCY, - (RC632_CR_PARITY_ENABLE | - RC632_CR_PARITY_ODD | - RC632_CR_TX_CRC_ENABLE | - RC632_CR_RX_CRC_ENABLE)); - if (ret < 0) - return ret; - - ret = rc632_transcieve(handle, tx_buf, tx_len, rx_buf, &rxl, 0x32, 0); - *rx_len = rxl; - if (ret < 0) - return ret; - - - return 0; -} - -/* transcieve anti collission bitframe */ -static int -rc632_iso14443a_transcieve_acf(struct rfid_asic_handle *handle, - struct iso14443a_anticol_cmd *acf, - unsigned int *bit_of_col) -{ - int ret; - unsigned char rx_buf[64]; - unsigned char rx_len = sizeof(rx_buf); - unsigned char rx_align = 0, tx_last_bits, tx_bytes; - unsigned char boc; - unsigned char error_flag; - *bit_of_col = ISO14443A_BITOFCOL_NONE; - memset(rx_buf, 0, sizeof(rx_buf)); - - /* disable mifare cryto */ - ret = rc632_clear_bits(handle, RC632_REG_CONTROL, - RC632_CONTROL_CRYPTO1_ON); - if (ret < 0) - return ret; - - /* disalbe CRC summing */ - ret = rc632_reg_write(handle, RC632_REG_CHANNEL_REDUNDANCY, - (RC632_CR_PARITY_ENABLE | - RC632_CR_PARITY_ODD)); - if (ret < 0) - return ret; - - tx_last_bits = acf->nvb & 0x0f; /* lower nibble indicates bits */ - tx_bytes = acf->nvb >> 4; - if (tx_last_bits) { - tx_bytes++; - rx_align = (tx_last_bits+1) % 8;/* rx frame complements tx */ - } - - //rx_align = 8 - tx_last_bits;/* rx frame complements tx */ - - /* set RxAlign and TxLastBits*/ - ret = rc632_reg_write(handle, RC632_REG_BIT_FRAMING, - (rx_align << 4) | (tx_last_bits)); - if (ret < 0) - return ret; - - ret = rc632_transcieve(handle, (unsigned char *)acf, tx_bytes, - rx_buf, &rx_len, 0x32, 0); - if (ret < 0) - return ret; - - /* bitwise-OR the two halves of the split byte */ - acf->uid_bits[tx_bytes-2] = ( - (acf->uid_bits[tx_bytes-2] & (0xff >> (8-tx_last_bits))) - | rx_buf[0]); - /* copy the rest */ - memcpy(&acf->uid_bits[tx_bytes+1-2], &rx_buf[1], rx_len-1); - - /* determine whether there was a collission */ - ret = rc632_reg_read(handle, RC632_REG_ERROR_FLAG, &error_flag); - if (ret < 0) - return ret; - - if (error_flag & RC632_ERR_FLAG_COL_ERR) { - /* retrieve bit of collission */ - ret = rc632_reg_read(handle, RC632_REG_COLL_POS, &boc); - if (ret < 0) - return ret; - - /* bit of collission relative to start of part 1 of - * anticollision frame (!) */ - *bit_of_col = 2*8 + boc; - } - - return 0; -} - - -- cgit v1.2.3