寻卡 防冲撞 选卡 验证密码a 写块 验证密码b（前面都成功） 充值 到了充值这里就失败了 求指点一下哪里有错误 谢谢。下面附上代码
- unsigned char code data1[16] = {0x12,0x34,0x56,0x78,0xED,0xCB,0xA9,0x87,0x12,0x34,0x56,0x78,0x01,0xFE,0x01,0xFE};
- //M1卡的某一块写为如下格式，则该块为钱包，可接收扣款和充值命令
- //4字节金额（低字节在前）＋4字节金额取反＋4字节金额＋1字节块地址＋1字节块地址取反＋1字节块地址＋1字节块地址取反
- 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);//寻卡
- if (status != MI_OK) {
- InitializeSystem( );
- PcdReset();
- PcdAntennaOff();
- PcdAntennaOn();
- continue;
- }
- printf("卡的类型:");
- for(i=0; i<2; i++) {
- temp=g_ucTempbuf[i];
- printf("%X",temp);
- }
- status = PcdAnticoll(g_ucTempbuf);//防冲撞
- if (status != MI_OK) {
- continue;
- }
- ////////以下为超级终端打印出的内容////////////////////////
- printf("卡序列号："); //超级终端显示,
- for(i=0; i<4; i++) {
- temp=g_ucTempbuf[i];
- printf("%X",temp);
- }
- ///////////////////////////////////////////////////////////
- status = PcdSelect(g_ucTempbuf);//选定卡片
- if (status != MI_OK) {
- continue;
- }
- status = PcdAuthState(PICC_AUTHENT1A, 1, DefaultKey, g_ucTempbuf);//验证卡片密码
- if (status != MI_OK) {
- continue;
- }
- status = PcdWrite(1, data1);//写块
- if (status != MI_OK) {
- continue;
- }
- status = PcdAuthState(PICC_AUTHENT1B, 1, DefaultKey, g_ucTempbuf);//验证卡片密码
- if (status != MI_OK) {
- continue;
- }
-
- status=PcdValue(PICC_INCREMENT,1,data3); //充值
- if (status != MI_OK)
- {
- printf("充值失败\n");
- continue;
- }
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