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標(biāo)題:
MFrc522程序問(wèn)題,尋卡 防沖撞 選卡都成功,寫入數(shù)據(jù)失敗,求大佬們指點(diǎn)一下
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作者:
為了丶?jí)粝?nbsp;
時(shí)間:
2018-8-30 18:06
標(biāo)題:
MFrc522程序問(wèn)題,尋卡 防沖撞 選卡都成功,寫入數(shù)據(jù)失敗,求大佬們指點(diǎn)一下
尋卡 防沖撞 選卡 驗(yàn)證密碼a 寫塊 驗(yàn)證密碼b(前面都成功) 充值 到了充值這里就失敗了 求指點(diǎn)一下哪里有錯(cuò)誤 謝謝。下面附上代碼
unsigned char code data1[16] = {0x12,0x34,0x56,0x78,0xED,0xCB,0xA9,0x87,0x12,0x34,0x56,0x78,0x01,0xFE,0x01,0xFE};
//M1卡的某一塊寫為如下格式,則該塊為錢包,可接收扣款和充值命令
//4字節(jié)金額(低字節(jié)在前)+4字節(jié)金額取反+4字節(jié)金額+1字節(jié)塊地址+1字節(jié)塊地址取反+1字節(jié)塊地址+1字節(jié)塊地址取反
unsigned char code data2[4] = {0,0,0,0x16};
unsigned char code data3[4] = {0,0,0,0x17};
unsigned char code DefaultKey[6] = {0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF};
unsigned char g_ucTempbuf[20];
void main( ) {
unsigned char status,i;
unsigned int temp;
InitializeSystem( );
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
while (1) {
status = PcdRequest(PICC_REQALL, g_ucTempbuf);//尋卡
if (status != MI_OK) {
InitializeSystem( );
PcdReset();
PcdAntennaOff();
PcdAntennaOn();
continue;
}
printf("卡的類型:");
for(i=0; i<2; i++) {
temp=g_ucTempbuf[i];
printf("%X",temp);
}
status = PcdAnticoll(g_ucTempbuf);//防沖撞
if (status != MI_OK) {
continue;
}
////////以下為超級(jí)終端打印出的內(nèi)容////////////////////////
printf("卡序列號(hào):"); //超級(jí)終端顯示,
for(i=0; i<4; i++) {
temp=g_ucTempbuf[i];
printf("%X",temp);
}
///////////////////////////////////////////////////////////
status = PcdSelect(g_ucTempbuf);//選定卡片
if (status != MI_OK) {
continue;
}
status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);//驗(yàn)證卡片密碼
if (status != MI_OK) {
continue;
}
status = PcdWrite(1, data1);//寫塊
if (status != MI_OK) {
continue;
}
status = PcdAuthState(PICC_AUTHENT1B, 1, DefaultKey, g_ucTempbuf);//驗(yàn)證卡片密碼
if (status != MI_OK) {
continue;
}
status=PcdValue(PICC_INCREMENT,1,data3); //充值
if (status != MI_OK)
{
printf("充值失敗\n");
continue;
}
復(fù)制代碼
作者:
MCU_YYQ
時(shí)間:
2019-6-27 17:41
你好 解決問(wèn)題了嗎 我現(xiàn)在也遇到同樣的問(wèn)題 能甲流一下嗎
作者:
tarchen
時(shí)間:
2024-10-1 09:06
有空學(xué)習(xí)學(xué)習(xí),感謝樓主
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