RfidResearchGroup/proxmark3
1
1
Fork 0
mirror of https://github.com/RfidResearchGroup/proxmark3.git synced 2025-01-09 09:39:16 +08:00
Code Issues Projects Releases Packages Wiki Activity

inc timeout of card's response

Browse source
This commit is contained in:
merlokk 2019-01-10 17:06:59 +02:00
parent 607bef7ffd
commit 170cf7c67a
1 changed files with 6 additions and 4 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

10
common/i2c.c
View file

@ -161,10 +161,11 @@ bool WaitSCL_L(void) {
return WaitSCL_L_delay(15000); return WaitSCL_L_delay(15000);
} }
// Wait max 300ms or until SCL goes LOW. // Wait max 1800ms or until SCL goes LOW.
// It timeout reading response from card
// Which ever comes first // Which ever comes first
bool WaitSCL_L_300ms(void){ bool WaitSCL_L_timeout(void){
volatile uint16_t delay = 310; volatile uint16_t delay = 1800;
while ( delay-- ) { while ( delay-- ) {
// exit on SCL LOW // exit on SCL LOW
if (!SCL_read) if (!SCL_read)
@ -193,7 +194,8 @@ bool I2C_Start(void) {
bool I2C_WaitForSim() { bool I2C_WaitForSim() {
if (!WaitSCL_L_300ms()) // wait for data from card
if (!WaitSCL_L_timeout())
return false; return false;
// 8051 speaks with smart card. // 8051 speaks with smart card.