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Reduced 16 bytes

This commit is contained in:
md5sum-as 2022-10-26 01:29:10 +03:00
parent 9534838c19
commit 0887ec31f5
1 changed files with 14 additions and 11 deletions
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25
tasmota/tasmota_xsns_sensor/xsns_40_pn532.ino
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@ -421,7 +421,7 @@ uint8_t mifareclassic_ReadDataBlock (uint8_t blockNumber, uint8_t *data) {
return 1;
}
uint8_t mifareclassic_WriteDataBlock (uint8_t blockNumber, uint8_t *data) {
bool mifareclassic_WriteDataBlock (uint8_t blockNumber, uint8_t *data) {
/* Prepare the first command */
for (uint8_t i = 0; i < 2; i++) {
Pn532.packetbuffer[0] = PN532_COMMAND_INDATAEXCHANGE;
@ -432,14 +432,14 @@ uint8_t mifareclassic_WriteDataBlock (uint8_t blockNumber, uint8_t *data) {
/* Send the command */
if (PN532_writeCommand(Pn532.packetbuffer, 20)) {
return 0;
return false;
}
/* Read the response packet */
if (0 >= PN532_readResponse(Pn532.packetbuffer, sizeof(Pn532.packetbuffer))) {
return 0;
return false;
}
}
return 1;
return true;
}
uint8_t ntag21x_probe (void) {
@ -575,6 +575,12 @@ void PN532_ScanForTag(void) {
if (memcmp(uid, nuid, sizeof(uid))==0) {
if (ntag21x_auth()) {str_pwd=PWD_OK;} else {str_pwd=PWD_NOK;}
if (!ntag21x_read32(card_datas, sizeof(card_datas))) card_datas[0]=0;
if (Pn532.command == 1) {
/* Erase */
} else
if (Pn532.command == 2) {
/* Write */
}
}
}
}
@ -587,20 +593,17 @@ void PN532_ScanForTag(void) {
}
}
} else
if (uid_len == 4) { // Lets try to read block 1 of the mifare classic card for more information
if (uid_len == 4) { // Lets try to read blocks 1 & 2 of the mifare classic card for more information
uint8_t keyuniversal[6] = { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF };
if (mifareclassic_AuthenticateBlock (uid, uid_len, 1, 1, keyuniversal)) {
if (Pn532.function == 1) { // erase block 1 of card
if (Pn532.function == 1) { // erase blocks 1 & 2 of card
memset(card_datas,0,sizeof(card_datas));
if (mifareclassic_WriteDataBlock(1, (uint8_t *)card_datas)) {
success = true;
if ((success=mifareclassic_WriteDataBlock(1, (uint8_t *)card_datas))) {
AddLog(LOG_LEVEL_INFO, PSTR("NFC: PN532 NFC - Erase success"));
}
} else
if (Pn532.function == 2) {
memcpy(&card_datas,&Pn532.newdata,sizeof(card_datas));
if (mifareclassic_WriteDataBlock(1, (uint8_t *)card_datas)) {
success = true;
if ((success=mifareclassic_WriteDataBlock(1, Pn532.newdata))) {
AddLog(LOG_LEVEL_INFO, PSTR("NFC: PN532 NFC - Data write successful"));
}
}