1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 #ifndef ESE_TEQ1_PRIVATE_H__ 17 #define ESE_TEQ1_PRIVATE_H__ 1 18 19 #ifdef __cplusplus 20 extern "C" { 21 #endif 22 23 /* 24 * Enable T=1 format to reduce to case integers. 25 * Ensure there are tests to map TEQ1_X() to the shorthand below. 26 */ 27 #define I(S, M) I_##S##_##M 28 #define I_0_0 0 29 #define I_0_1 32 30 #define I_1_0 64 31 #define I_1_1 96 32 #define R(S, O, P) R_ ## S ##_## O ##_## P 33 #define R_0_0_0 128 34 #define R_0_0_1 129 35 #define R_0_1_0 130 36 #define R_0_1_1 131 37 #define R_1_0_0 144 38 #define R_1_0_1 145 39 #define R_1_1_0 146 40 #define R_1_1_1 147 41 42 #define _S(x) x 43 #define S(N, R) S_##N##_##R 44 #define S_RESYNC_REQUEST 192 45 #define S_IFS_REQUEST 193 46 #define S_ABORT_REQUEST 194 47 #define S_WTX_REQUEST 195 48 #define S_RESYNC_RESPONSE 224 49 #define S_IFS_RESPONSE 225 50 #define S_ABORT_RESPONSE 226 51 #define S_WTX_RESPONSE 227 52 53 #define TEQ1_RULE(TX, RX) (((TX & 255) << 8)|(RX & 255)) 54 55 struct Teq1State { 56 uint8_t wait_mult; 57 uint8_t ifs; 58 uint8_t errors; 59 int retransmits; 60 const char *last_error_message; 61 struct Teq1CardState *card_state; 62 struct { 63 const struct EseSgBuffer *tx; 64 struct EseSgBuffer *rx; 65 uint32_t tx_offset; 66 uint32_t tx_count; 67 uint32_t tx_total; 68 uint32_t rx_offset; 69 uint32_t rx_count; 70 uint32_t rx_total; 71 } app_data; 72 }; 73 74 #define TEQ1_INIT_STATE(TX_BUFS, TX_LEN, TX_TOTAL_LEN, RX_BUFS, RX_LEN, RX_TOTAL_LEN, CSTATE) \ 75 { \ 76 .wait_mult = 1, \ 77 .ifs = IFSC, \ 78 .errors = 0, \ 79 .retransmits = 0, \ 80 .last_error_message = NULL, \ 81 .card_state = (CSTATE), \ 82 .app_data = { \ 83 .tx = (TX_BUFS), \ 84 .rx = (RX_BUFS), \ 85 .tx_offset = 0, \ 86 .tx_count = (TX_LEN), \ 87 .tx_total = (TX_TOTAL_LEN), \ 88 .rx_offset = 0, \ 89 .rx_count = (RX_LEN), \ 90 .rx_total = (RX_TOTAL_LEN), \ 91 }, \ 92 } 93 94 enum RuleResult { 95 kRuleResultComplete, 96 kRuleResultAbort, 97 kRuleResultContinue, 98 kRuleResultHardFail, 99 kRuleResultResetDevice, 100 kRuleResultResetSession, 101 kRuleResultRetransmit, 102 kRuleResultSingleShot, 103 }; 104 105 106 const char *teq1_rule_result_to_name(enum RuleResult result); 107 const char *teq1_pcb_to_name(uint8_t pcb); 108 int teq1_transmit(struct EseInterface *ese, 109 const struct Teq1ProtocolOptions *opts, 110 struct Teq1Frame *frame); 111 int teq1_receive(struct EseInterface *ese, 112 const struct Teq1ProtocolOptions *opts, 113 float timeout, 114 struct Teq1Frame *frame); 115 uint8_t teq1_fill_info_block(struct Teq1State *state, struct Teq1Frame *frame); 116 void teq1_get_app_data(struct Teq1State *state, const struct Teq1Frame *frame); 117 uint8_t teq1_frame_error_check(struct Teq1State *state, 118 struct Teq1Frame *tx_frame, 119 struct Teq1Frame *rx_frame); 120 enum RuleResult teq1_rules(struct Teq1State *state, 121 struct Teq1Frame *tx_frame, 122 struct Teq1Frame *rx_frame, 123 struct Teq1Frame *next_tx); 124 125 #define teq1_dump_transmit(_B, _L) teq1_dump_buf("TX", (_B), (_L)) 126 #define teq1_dump_receive(_B, _L) teq1_dump_buf("RX", (_B), (_L)) 127 128 #ifdef __cplusplus 129 } /* extern "C" */ 130 #endif 131 #endif /* ESE_TEQ1_PRIVATE_H__ */ 132
