/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ESE_TEQ1_PRIVATE_H__
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#define ESE_TEQ1_PRIVATE_H__ 1
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#ifdef __cplusplus
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extern "C" {
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#endif
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/*
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* Enable T=1 format to reduce to case integers.
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* Ensure there are tests to map TEQ1_X() to the shorthand below.
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*/
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#define I(S, M) I_##S##_##M
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#define I_0_0 0
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#define I_0_1 32
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#define I_1_0 64
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#define I_1_1 96
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#define R(S, O, P) R_ ## S ##_## O ##_## P
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#define R_0_0_0 128
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#define R_0_0_1 129
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#define R_0_1_0 130
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#define R_0_1_1 131
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#define R_1_0_0 144
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#define R_1_0_1 145
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#define R_1_1_0 146
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#define R_1_1_1 147
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#define _S(x) x
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#define S(N, R) S_##N##_##R
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#define S_RESYNC_REQUEST 192
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#define S_IFS_REQUEST 193
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#define S_ABORT_REQUEST 194
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#define S_WTX_REQUEST 195
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#define S_RESYNC_RESPONSE 224
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#define S_IFS_RESPONSE 225
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#define S_ABORT_RESPONSE 226
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#define S_WTX_RESPONSE 227
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#define TEQ1_RULE(TX, RX) (((TX & 255) << 8)|(RX & 255))
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struct Teq1State {
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uint8_t wait_mult;
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uint8_t ifs;
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uint8_t errors;
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int retransmits;
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const char *last_error_message;
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struct Teq1CardState *card_state;
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struct {
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const struct EseSgBuffer *tx;
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struct EseSgBuffer *rx;
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uint32_t tx_offset;
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uint32_t tx_count;
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uint32_t tx_total;
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uint32_t rx_offset;
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uint32_t rx_count;
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uint32_t rx_total;
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} app_data;
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};
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#define TEQ1_INIT_STATE(TX_BUFS, TX_LEN, TX_TOTAL_LEN, RX_BUFS, RX_LEN, RX_TOTAL_LEN, CSTATE) \
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{ \
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.wait_mult = 1, \
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.ifs = IFSC, \
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.errors = 0, \
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.retransmits = 0, \
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.last_error_message = NULL, \
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.card_state = (CSTATE), \
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.app_data = { \
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.tx = (TX_BUFS), \
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.rx = (RX_BUFS), \
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.tx_offset = 0, \
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.tx_count = (TX_LEN), \
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.tx_total = (TX_TOTAL_LEN), \
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.rx_offset = 0, \
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.rx_count = (RX_LEN), \
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.rx_total = (RX_TOTAL_LEN), \
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}, \
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}
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enum RuleResult {
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kRuleResultComplete,
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kRuleResultAbort,
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kRuleResultContinue,
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kRuleResultHardFail,
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kRuleResultResetDevice,
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kRuleResultResetSession,
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kRuleResultRetransmit,
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kRuleResultSingleShot,
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};
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const char *teq1_rule_result_to_name(enum RuleResult result);
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const char *teq1_pcb_to_name(uint8_t pcb);
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int teq1_transmit(struct EseInterface *ese,
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const struct Teq1ProtocolOptions *opts,
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struct Teq1Frame *frame);
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int teq1_receive(struct EseInterface *ese,
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const struct Teq1ProtocolOptions *opts,
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float timeout,
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struct Teq1Frame *frame);
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uint8_t teq1_fill_info_block(struct Teq1State *state, struct Teq1Frame *frame);
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void teq1_get_app_data(struct Teq1State *state, const struct Teq1Frame *frame);
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uint8_t teq1_frame_error_check(struct Teq1State *state,
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struct Teq1Frame *tx_frame,
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struct Teq1Frame *rx_frame);
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enum RuleResult teq1_rules(struct Teq1State *state,
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struct Teq1Frame *tx_frame,
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struct Teq1Frame *rx_frame,
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struct Teq1Frame *next_tx);
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#define teq1_dump_transmit(_B, _L) teq1_dump_buf("TX", (_B), (_L))
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#define teq1_dump_receive(_B, _L) teq1_dump_buf("RX", (_B), (_L))
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* ESE_TEQ1_PRIVATE_H__ */
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