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card_emu_tests: extend first TPDU test to sending PB + SW in response

This commit is contained in:
Harald Welte 2015-11-14 19:02:33 +01:00
parent 836990d244
commit b436286ed6
1 changed files with 68 additions and 1 deletions
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69
firmware/test/card_emu_tests.c
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@ -25,7 +25,23 @@ int card_emu_uart_tx(uint8_t uart_chan, uint8_t byte)
void card_emu_uart_enable(uint8_t uart_chan, uint8_t rxtx)
{
printf("uart_enable(uart_chan=%u, rxtx=0x%02x)\n", uart_chan, rxtx);
char *rts;
switch (rxtx) {
case 0:
rts = "OFF";
break;
case ENABLE_TX:
rts = "TX";
break;
case ENABLE_RX:
rts = "RX";
break;
default:
rts = "unknown";
break;
};
printf("uart_enable(uart_chan=%u, %s)\n", uart_chan, rts);
}
void tc_etu_set_wtime(uint8_t tc_chan, uint16_t wtime)
@ -124,6 +140,7 @@ static void dump_rctx(struct req_ctx *rctx)
}
}
/* emulate a TPDU header being sent by the reader/phone */
static void send_tpdu_hdr(struct card_handle *ch, const uint8_t *tpdu_hdr)
{
struct req_ctx *rctx;
@ -139,9 +156,51 @@ static void send_tpdu_hdr(struct card_handle *ch, const uint8_t *tpdu_hdr)
rctx = req_ctx_find_get(1, RCTX_S_USB_TX_PENDING, RCTX_S_USB_TX_BUSY);
assert(rctx);
dump_rctx(rctx);
/* free the req_ctx, indicating it has fully arrived on the host */
req_ctx_set_state(rctx, RCTX_S_FREE);
}
/* emulate a CEMU_USB_MSGT_DT_TX_DATA received from USB */
static void host_to_device_data(const uint8_t *data, uint16_t len, int continue_rx)
{
struct req_ctx *rctx;
struct cardemu_usb_msg_rx_data *rd;
/* allocate a free req_ctx */
rctx = req_ctx_find_get(1, RCTX_S_FREE, RCTX_S_USB_RX_BUSY);
assert(rctx);
/* initialize the header */
rd = (struct cardemu_usb_msg_rx_data *) rctx->data;
rctx->size = sizeof(*rd);
cardemu_hdr_set(&rd->hdr, CEMU_USB_MSGT_DT_TX_DATA);
if (continue_rx)
rd->flags = CEMU_DATA_F_PB_AND_RX;
else
rd->flags = CEMU_DATA_F_PB_AND_TX;
/* copy data and set length */
rd->hdr.data_len = len;
memcpy(rd->data, data, len);
/* hand the req_ctx to the UART transmit code */
req_ctx_set_state(rctx, RCTX_S_UART_TX_PENDING);
}
static int print_tx_chars(struct card_handle *ch)
{
uint8_t byte;
int count = 0;
while (card_emu_get_tx_byte(ch, &byte)) {
printf("UART_TX(%02x)\n", byte);
count++;
}
return count;
}
const uint8_t tpdu_hdr_sel_mf[] = { 0xA0, 0xA4, 0x00, 0x00, 0x02 };
const uint8_t tpdu_pb_sw[] = { 0xA4, 0x90, 0x00 };
int main(int argc, char **argv)
{
@ -152,9 +211,17 @@ int main(int argc, char **argv)
ch = card_emu_init(0, 23, 42);
assert(ch);
/* start up the card (VCC/RST, ATR) */
io_start_card(ch);
assert(!print_tx_chars(ch));
/* emulate the reader sending a TPDU header */
send_tpdu_hdr(ch, tpdu_hdr_sel_mf);
assert(!print_tx_chars(ch));
/* card emulator sends a response via USB */
host_to_device_data(tpdu_pb_sw, sizeof(tpdu_pb_sw), 0);
/* obtain any pending tx chars */
assert(print_tx_chars(ch) == sizeof(tpdu_pb_sw));
exit(0);
}