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simtrace2-remsim: Send an ATR that allows for a 5MHz/16 divider

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This ATR is useful to test higher speeds up to 312500 bits/s
This commit is contained in:
Harald Welte
2016-03-20 15:01:20 +01:00
parent 53079bbbac
commit 9daaa79222
1 changed files with 32 additions and 0 deletions
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32
host/simtrace2-remsim.c
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@@ -179,6 +179,33 @@ static int request_sw_tx(const uint8_t *sw)
return tx_to_dev((uint8_t *)txd, sizeof(*txd)+txd->data_len);
}
static void atr_update_csum(uint8_t *atr, unsigned int atr_len)
{
uint8_t csum = 0;
int i;
for (i = 1; i < atr_len - 1; i++)
csum = csum ^ atr[i];
atr[atr_len-1] = csum;
}
static int request_set_atr(const uint8_t *atr, unsigned int atr_len)
{
struct cardemu_usb_msg_set_atr *satr;
uint8_t buf[sizeof(*satr) + atr_len];
satr = (struct cardemu_usb_msg_set_atr *) buf;
printf("<= request_set_atr(%s)\n", osmo_hexdump(atr, atr_len));
memset(satr, 0, sizeof(*satr));
satr->hdr.msg_type = CEMU_USB_MSGT_DT_SET_ATR;
satr->atr_len = atr_len;
memcpy(satr->atr, atr, atr_len);
return tx_to_dev((uint8_t *)satr, sizeof(buf));
}
/*! \brief Process a STATUS message from the SIMtrace2 */
static int process_do_status(uint8_t *buf, int len)
{
@@ -468,6 +495,11 @@ int main(int argc, char **argv)
}
request_card_insert(true);
uint8_t real_atr[] = { 0x3B, 0x9F, 0x96, 0x80, 0x1F, 0xC7, 0x80, 0x31,
0xA0, 0x73, 0xBE, 0x21, 0x13, 0x67, 0x43, 0x20,
0x07, 0x18, 0x00, 0x00, 0x01, 0xA5 };
atr_update_csum(real_atr, sizeof(real_atr));
request_set_atr(real_atr, sizeof(real_atr));
run_mainloop();
ret = 0;