电子发烧友

请问通过串口向华为GTM900C发送如下几条字符串分别是什么意思，如下code uchar ATE0[]="ATE0\r\n";code uchar CREG_CMD

2013-10-21 08:43

void creat_tcp(void){ if(!is_gprs_mode_ok)return ; while(1) {err ++;if(err>MAX_ERROR_COUNT){err = 0 ; //PUT("TCPIP_FALSE");delay_GSM(100000);break;}delay_GSM(1000);switch(current_status){case GPRS_OPEN_FINISH:S_GPRS_OPEN_FINISH();break ;case TCPIP_IO_MODE: //get GPRSS_TCPIP_IO_MODE();break ;case TCPIP_CONNECT:S_TCPIP_CONNECT();break ;case TCP_IP_CONNECTING:S_TCP_IP_CONNECTING();break ;case TCP_IP_OK :PUT(buf_uart3.buf);return ;caseTCP_IP_NO:PUT(buf_uart3.buf);return ;default:clear_buf_uart3();break ;} }} static void S_GPRS_OPEN_FINISH() { clear_buf_uart3(); current_status = TCPIP_IO_MODE ;}static void S_TCPIP_IO_MODE() { clear_buf_uart3(); current_status = TCPIP_CONNECT ; send_string_uart3(TM_TYPE_IOMODE);//0,2,0//PUT("S_TCPIP_IO_MODE \r\n");}static void S_TCPIP_CONNECT(){ current_status = TCP_IP_CONNECTING ; __GPRS_TCPIP();}static void S_TCP_IP_CONNECTING(){ char *ret_val = NULL ; static unsigned int count = 0 ; ret_val = strstr((const char*)buf_uart3.buf,"CONNECT"); PUT(buf_uart3.buf);//PUT("S_TCP_IP_CONNECTING\r\n"); if (ret_val) {current_status = TCP_IP_OK ; } else {count ++ ;delay_GSM(2000);if (count == 20){current_status = TCP_IP_NO ;count = 0 ;} }}#define CONSER "AT%IPOPENX=1,"TCP","202.93.167.166",6000\x00D\x00A"void __GPRS_TCPIP(){clear_buf_uart3(); send_string_uart3(CONSER);}代码如上，GPRS已经打开，但是不知道为什么，就是连接不上服务器。

2019-01-09 16:13

各位大神帮帮忙啊！！！！！短信发不出去,什么问题啊？？？？急！！！！！！#include//#include"BoardConfig.h"unsigned char AT[]="AT\r";//握手信号//3Charsunsigned char ATCMGF[]="AT+CMGF=1\r";//text格式//10Charsunsigned char ATCMGS[]="AT+CMGS=***\r";//unsigned char ATCSCA[]="AT+CSCA=\"+8613010980500\"\r";void GsmSend(void);void UART0_Init (void);void DelayNS (unsigned int dly);void Delay(unsigned long t);unsigned char Data[]="hhh";//主程序void main(){//BoardConfig(0xb8);WDTCTL = WDTPW +WDTHOLD;UART0_Init();DelayNS(50);//等待GsmSend();//发送}//uart初始化void UART0_Init(void){if (CALBC1_1MHZ==0xFF)// If calibration constant erased{ while(1); // do not load, trap CPU!!}DCOCTL = 0; // Select lowest DCOx and MODx settingsBCSCTL1 = CALBC1_1MHZ;// Set DCODCOCTL = CALDCO_1MHZ;P1DIR|=BIT0+BIT6;P1SEL = BIT1 + BIT2 ;// P1.1 = RXD, P1.2=TXDP1SEL2 = BIT1 + BIT2 ;// P1.1 = RXD, P1.2=TXDUCA0CTL1 |= UCSSEL_2;// SMCLKUCA0BR0 = 104; // 1MHz 9600UCA0BR1 = 0;// 1MHz 9600UCA0MCTL = UCBRS0;// Modulation UCBRSx = 1UCA0CTL1 &= ~UCSWRST;// **Initialize USCI state machine**IE2 |= UCA0RXIE;// Enable USCI_A0 RX interrupt__bis_SR_register(GIE); // Enter LPM0, interrupts enabled}//时间延迟void DelayNS(unsigned int dly){unsigned int i;for(;dly>0;dly--) for(i=0;i

2014-11-15 21:37

有没有人有GTM900C发收短信的430G2553的代码啊。急求啊

2014-11-13 20:33

谁能帮我解答一下啊？？？谢谢我用的单片机是STM32gsm是GTM900C 这两个东西都可以与电脑通信但是这两个通信不了（通过串口）谁遇到过这样的问题啊 求指教或交流qq359151899

2019-03-04 06:35