struct pcf7931_config configPcf = {
{0xFF,0xFF,0xFF,0xFF,0xFF,0xFF,0xFF},
PCF7931_DEFAULT_INITDELAY,
- {
- PCF7931_DEFAULT_OFFSET_WIDTH,
- PCF7931_DEFAULT_OFFSET_POSITION
- }
+ PCF7931_DEFAULT_OFFSET_WIDTH,
+ PCF7931_DEFAULT_OFFSET_POSITION
};
// Resets the configuration settings to default values.
int pcf7931_resetConfig(){
memset(configPcf.Pwd, 0xFF, sizeof(configPcf.Pwd) );
configPcf.InitDelay = PCF7931_DEFAULT_INITDELAY;
- configPcf.Offset[0] = PCF7931_DEFAULT_OFFSET_WIDTH;
- configPcf.Offset[1] = PCF7931_DEFAULT_OFFSET_POSITION;
+ configPcf.OffsetWidth = PCF7931_DEFAULT_OFFSET_WIDTH;
+ configPcf.OffsetPosition = PCF7931_DEFAULT_OFFSET_POSITION;
return 0;
}
int pcf7931_printConfig(){
PrintAndLog("Password (LSB first on bytes) : %s", sprint_hex( configPcf.Pwd, sizeof(configPcf.Pwd)));
PrintAndLog("Tag initialization delay : %d us", configPcf.InitDelay);
- PrintAndLog("Offset low pulses width : %d us", configPcf.Offset[0]);
- PrintAndLog("Offset low pulses position : %d us", configPcf.Offset[1]);
+ PrintAndLog("Offset low pulses width : %d us", configPcf.OffsetWidth);
+ PrintAndLog("Offset low pulses position : %d us", configPcf.OffsetPosition);
return 0;
}
if ( param_gethex(Cmd, 0, configPcf.Pwd, 14) ) return usage_pcf7931_config();
configPcf.InitDelay = (param_get32ex(Cmd,1,0,10) & 0xFFFF);
- configPcf.Offset[0] = (int)(param_get32ex(Cmd,2,0,10) & 0xFFFF);
- configPcf.Offset[1] = (int)(param_get32ex(Cmd,3,0,10) & 0xFFFF);
+ configPcf.OffsetWidth = (int)(param_get32ex(Cmd,2,0,10) & 0xFFFF);
+ configPcf.OffsetPosition = (int)(param_get32ex(Cmd,3,0,10) & 0xFFFF);
pcf7931_printConfig();
return 0;
uint64_t byteaddress = param_get64ex(Cmd, 1, 0, 16);
uint8_t data = param_get8ex(Cmd,2,0,16);
- PrintAndLog("Please specify the block address in hex");
+ if ( blockaddress == 0 ) {
+ PrintAndLog("Please specify the block address in hex");
+ return 1;
+ }
+
PrintAndLog("Please specify the byte address in hex");
PrintAndLog("Please specify the data in hex (1 byte)");
return 3;
UsbCommand c = {CMD_PCF7931_WRITE, { blockaddress, byteaddress, data} };
- memcpy(c.d.asDwords, configPcf.Pwd, 7);
- c.d.asDwords[7] = (configPcf.Offset[0]+128);
- c.d.asDwords[8] = (configPcf.Offset[1]+128);
+ memcpy(c.d.asDwords, configPcf.Pwd, sizeof(configPcf.Pwd) );
+ c.d.asDwords[7] = (configPcf.OffsetWidth + 128);
+ c.d.asDwords[8] = (configPcf.OffsetPosition + 128);
c.d.asDwords[9] = configPcf.InitDelay;
clearCommandBuffer();