Harald Welte | 9d3e382 | 2015-11-09 00:50:54 +0100 | [diff] [blame^] | 1 | #include <stdint.h> |
| 2 | #include <stdio.h> |
| 3 | #include <string.h> |
| 4 | #include <assert.h> |
| 5 | #include <stdlib.h> |
| 6 | |
| 7 | #include "card_emu.h" |
| 8 | #include "cardemu_prot.h" |
| 9 | #include "tc_etu.h" |
| 10 | #include "req_ctx.h" |
| 11 | |
| 12 | /* stub functions required by card_emu.c */ |
| 13 | |
| 14 | int card_emu_uart_update_fidi(uint8_t uart_chan, unsigned int fidi) |
| 15 | { |
| 16 | printf("uart_update_fidi(uart_chan=%u, fidi=%u)\n", uart_chan, fidi); |
| 17 | return 0; |
| 18 | } |
| 19 | |
| 20 | int card_emu_uart_tx(uint8_t uart_chan, uint8_t byte) |
| 21 | { |
| 22 | printf("TX: 0x%02x\n", byte); |
| 23 | return 1; |
| 24 | } |
| 25 | |
| 26 | void card_emu_uart_enable(uint8_t uart_chan, uint8_t rxtx) |
| 27 | { |
| 28 | printf("uart_enable(uart_chan=%u, rxtx=0x%02x)\n", uart_chan, rxtx); |
| 29 | } |
| 30 | |
| 31 | void tc_etu_set_wtime(uint8_t tc_chan, uint16_t wtime) |
| 32 | { |
| 33 | printf("tc_etu_set_wtime(tc_chan=%u, wtime=%u)\n", tc_chan, wtime); |
| 34 | } |
| 35 | |
| 36 | void tc_etu_set_etu(uint8_t tc_chan, uint16_t etu) |
| 37 | { |
| 38 | printf("tc_etu_set_etu(tc_chan=%u, etu=%u)\n", tc_chan, etu); |
| 39 | } |
| 40 | |
| 41 | void tc_etu_init(uint8_t chan_nr, void *handle) |
| 42 | { |
| 43 | } |
| 44 | |
| 45 | |
| 46 | |
| 47 | |
| 48 | #if 0 |
| 49 | /* process a single byte received from the reader */ |
| 50 | void card_emu_process_rx_byte(struct card_handle *ch, uint8_t byte); |
| 51 | |
| 52 | /* return a single byte to be transmitted to the reader */ |
| 53 | int card_emu_get_tx_byte(struct card_handle *ch, uint8_t *byte); |
| 54 | |
| 55 | /* hardware driver informs us that a card I/O signal has changed */ |
| 56 | void card_emu_io_statechg(struct card_handle *ch, enum card_io io, int active); |
| 57 | |
| 58 | /* User sets a new ATR to be returned during next card reset */ |
| 59 | int card_emu_set_atr(struct card_handle *ch, const uint8_t *atr, uint8_t len); |
| 60 | #endif |
| 61 | |
| 62 | |
| 63 | static int verify_atr(struct card_handle *ch) |
| 64 | { |
| 65 | uint8_t atr[4]; |
| 66 | uint8_t byte; |
| 67 | unsigned int i; |
| 68 | |
| 69 | printf("receiving + verifying ATR:"); |
| 70 | for (i = 0; i < sizeof(atr); i++) { |
| 71 | assert(card_emu_get_tx_byte(ch, &atr[i]) == 1); |
| 72 | printf(" %02x", atr[i]); |
| 73 | } |
| 74 | printf("\n"); |
| 75 | assert(card_emu_get_tx_byte(ch, &byte) == 0); |
| 76 | |
| 77 | return 1; |
| 78 | } |
| 79 | |
| 80 | static void io_start_card(struct card_handle *ch) |
| 81 | { |
| 82 | uint8_t byte; |
| 83 | |
| 84 | /* bring the card up from the dead */ |
| 85 | card_emu_io_statechg(ch, CARD_IO_VCC, 1); |
| 86 | assert(card_emu_get_tx_byte(ch, &byte) == 0); |
| 87 | card_emu_io_statechg(ch, CARD_IO_CLK, 1); |
| 88 | assert(card_emu_get_tx_byte(ch, &byte) == 0); |
| 89 | card_emu_io_statechg(ch, CARD_IO_RST, 1); |
| 90 | assert(card_emu_get_tx_byte(ch, &byte) == 0); |
| 91 | |
| 92 | /* release from reset and verify th ATR */ |
| 93 | card_emu_io_statechg(ch, CARD_IO_RST, 0); |
| 94 | verify_atr(ch); |
| 95 | } |
| 96 | |
| 97 | static void send_bytes(struct card_handle *ch, const uint8_t *bytes, unsigned int len) |
| 98 | { |
| 99 | unsigned int i; |
| 100 | for (i = 0; i < len; i++) |
| 101 | card_emu_process_rx_byte(ch, bytes[i]); |
| 102 | } |
| 103 | |
| 104 | static void dump_rctx(struct req_ctx *rctx) |
| 105 | { |
| 106 | struct cardemu_usb_msg_hdr *mh = |
| 107 | (struct cardemu_usb_msg_hdr *) rctx->data; |
| 108 | struct cardemu_usb_msg_rx_data *rxd; |
| 109 | int i; |
| 110 | |
| 111 | printf("req_ctx(%p): state=%u, size=%u, tot_len=%u, idx=%u, data=%p\n", |
| 112 | rctx, rctx->state, rctx->size, rctx->tot_len, rctx->idx, rctx->data); |
| 113 | printf(" msg_type=%u, seq_nr=%u, data_len=%u\n", |
| 114 | mh->msg_type, mh->seq_nr, mh->data_len); |
| 115 | |
| 116 | switch (mh->msg_type) { |
| 117 | case CEMU_USB_MSGT_DO_RX_DATA: |
| 118 | rxd = (struct cardemu_usb_msg_rx_data *)mh; |
| 119 | printf(" flags=%x, data=", rxd->flags); |
| 120 | for (i = 0; i < mh->data_len; i++) |
| 121 | printf(" %02x", rxd->data[i]); |
| 122 | printf("\n"); |
| 123 | break; |
| 124 | } |
| 125 | } |
| 126 | |
| 127 | static void send_tpdu_hdr(struct card_handle *ch, const uint8_t *tpdu_hdr) |
| 128 | { |
| 129 | struct req_ctx *rctx; |
| 130 | |
| 131 | /* we don't want a receive context to become available during |
| 132 | * the first four bytes */ |
| 133 | send_bytes(ch, tpdu_hdr, 4); |
| 134 | assert(!req_ctx_find_get(1, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY)); |
| 135 | |
| 136 | send_bytes(ch, tpdu_hdr+4, 1); |
| 137 | /* but then after the final byte of the TPDU header, we want a |
| 138 | * receive context to be available for USB transmission */ |
| 139 | rctx = req_ctx_find_get(1, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY); |
| 140 | assert(rctx); |
| 141 | dump_rctx(rctx); |
| 142 | } |
| 143 | |
| 144 | const uint8_t tpdu_hdr_sel_mf[] = { 0xA0, 0xA4, 0x00, 0x00, 0x02 }; |
| 145 | |
| 146 | int main(int argc, char **argv) |
| 147 | { |
| 148 | struct card_handle *ch; |
| 149 | |
| 150 | req_ctx_init(); |
| 151 | |
| 152 | ch = card_emu_init(0, 23, 42); |
| 153 | assert(ch); |
| 154 | |
| 155 | io_start_card(ch); |
| 156 | |
| 157 | send_tpdu_hdr(ch, tpdu_hdr_sel_mf); |
| 158 | |
| 159 | exit(0); |
| 160 | } |