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style and trying a long timeout

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iceman1001 2020-08-06 16:20:29 +02:00
commit 7450ad6573
1 changed files with 4 additions and 5 deletions
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9
armsrc/i2c.c
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@ -225,7 +225,7 @@ static bool I2C_WaitForSim(void) {
// 8051 speaks with smart card. // 8051 speaks with smart card.
// 1000*50*3.07 = 153.5ms // 1000*50*3.07 = 153.5ms
// 1byte transfer == 1ms with max frame being 256bytes // 1byte transfer == 1ms with max frame being 256bytes
if (!WaitSCL_H_delay(20 * 1000 * 50)) if (!WaitSCL_H_delay(30 * 1000 * 50))
return false; return false;
return true; return true;
@ -666,19 +666,18 @@ bool GetATR(smart_card_atr_t *card_ptr, bool verbose) {
card_ptr->atr_len = 0; card_ptr->atr_len = 0;
memset(card_ptr->atr, 0, sizeof(card_ptr->atr)); memset(card_ptr->atr, 0, sizeof(card_ptr->atr));
// Send ATR // Send ATR
// start [C0 01] stop start C1 len aa bb cc stop] // start [C0 01] stop start C1 len aa bb cc stop]
I2C_WriteCmd(I2C_DEVICE_CMD_GENERATE_ATR, I2C_DEVICE_ADDRESS_MAIN); I2C_WriteCmd(I2C_DEVICE_CMD_GENERATE_ATR, I2C_DEVICE_ADDRESS_MAIN);
//wait for sim card to answer. //wait for sim card to answer.
// 1byte = 1ms , max frame 256bytes. SHould wait 256ms atleast just in case. // 1byte = 1ms , max frame 256bytes. Should wait 256ms atleast just in case.
if (!I2C_WaitForSim()) if (I2C_WaitForSim() == false)
return false; return false;
// read bytes from module // read bytes from module
uint8_t len = sizeof(card_ptr->atr); uint8_t len = sizeof(card_ptr->atr);
if (!sc_rx_bytes(card_ptr->atr, &len)) if (sc_rx_bytes(card_ptr->atr, &len) == false)
return false; return false;
uint8_t pos_td = 1; uint8_t pos_td = 1;