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【飞凌T507开发板试用体验】4. 迪文屏事件

2022-12-8 23:33:00 474 飞凌嵌入式

0 本帖最后由 voidpbq 于 2022-12-8 23:35 编辑 # 前言本章介绍如何实现迪文屏与飞凌OKT507的uart事件通信。 # 代码从上到下是uart_example.c、dwin.c、dwin.h、makefile ```c #include "dwin.h" #include #include #include #include #include #include #include #include #include time.h> #include #include #include "stdbool.h" // #include "dwin.h" // #include "//delay.h" #define uint8_t u_int8_t #define bool _Bool extern void u8_to_char(uint8_t * , char ); extern int judge_dwin_cmd(uint8_t ); extern int get_len(uint8_t cmd_u8); extern dwin_event_flag uart_judge_dwin_event(i_dwin_cmd cmd); extern i_dwin_cmd temp_cmd_recv; extern dwin_event_key event_key_list[EVENT_KEY_NUM_MAX]; extern dwin_event_key_spec event_key_spec[EVENT_KEY_SPEC_NUM_MAX]; // extern char* u8_to_char(uint8_t * ); extern c_dwin_cmd cmd_recv_char; // from dwin extern c_dwin_cmd cmd_send_char; // send to dwin extern dwin_event_flag c_judge_dwin_event(c_dwin_cmd * cmd); extern void c_dwin_cmd_analysis(char * in,c_dwin_cmd cmd); extern void c_print_cmd(c_dwin_cmd cmd); // extern void print_uint8(uint8_t * in); // #define false FALSE // #define true TRUE /* E53模块中 * UART0_RX_M0 -> GPIO0_B6 * UART0_TX_M0 -> GPIO0_B7 / #define UART_ID 0 #define UART_RECV_LEN 1024 #define BUF_RX_MAX 512 #define LEN_CHAR_TEMP 17 c_dwin_cmd cmd_char; int search_str_end(uint8_t str_z, int count) { int temp_zero = 1; int temp_count = count -1; // 有效字符11个，12个是0x00 printf("init count = %d, temp_count = %dn",count,temp_count); uint8_t str_temp1 = str_z; while(1) { printf("str = [%02X], temp_zero = [%d], temp_count = [%d]n",str_temp1,temp_zero,temp_count); // if find 10 zero, will return count if(str_temp1 != 0x00) { printf("value = %02X, %ldn",str_temp1,str_temp1-str_z); temp_count += temp_zero; str_temp1++; temp_zero = 1; } else { temp_zero++; printf("value = %02X, %ldn",str_temp1,str_temp1-str_z); } if(temp_zero > 10) break; } printf("init count = %d, temp_count = %dn",count,temp_count); return temp_count; } int my_strlen(uint8_t str) { printf("enter my_strlen"); uint8_t str_temp = str; // assert(str); int count = 0; // while (str != '') // this will ignore 0x00 while (str_temp != '') { printf("value = %02X, %ldn",str_temp,str_temp-str); count++; str_temp++; } // has found 0x00, str end. but uart data may contents 0x00 .. 0x00 // so, need to judge next value count = search_str_end(str_temp-1,count); // int temp_count = count; // for(int i=0;i<10;i++) // { // if(str_temp =='') // { // temp_count++; // str_temp++; // // printf("temp_count = %dn",temp_count); // } // else // break; // } // // printf("temp_count = %d,count=%dn",temp_count,count); // if(temp_count == count+10) // printf("search 10 0x00 n"); // else // { // printf("has find 0x00 n"); // printf("end1 temp_count = %d,count=%dn",temp_count,count); // return temp_count; // } // printf("end 2 temp_count = %d,count=%dn",temp_count,count); return count; } int judge_char(uint8_t str) { if (str != NULL){ // not empty printf("enter judge_char"); if (my_strlen(str) != 0) { // not '' return 1; } else return 0; } else return -1; } // unsigned int uart_init(void) // { // unsigned int ret; // UartAttribute attr; // LzUartDeinit(UART_ID); // attr.baudRate = 115200; // attr.dataBits = UART_DATA_BIT_8; // attr.pad = FLOW_CTRL_NONE; // attr.parity = UART_PARITY_NONE; // attr.rxBlock = UART_BLOCK_STATE_NONE_BLOCK; // attr.stopBits = UART_STOP_BIT_1; // attr.txBlock = UART_BLOCK_STATE_NONE_BLOCK; // // 使用UART0 // PinctrlSet(GPIO0_PB6, MUX_FUNC2, PULL_KEEP, DRIVE_LEVEL2); // PinctrlSet(GPIO0_PB7, MUX_FUNC2, PULL_KEEP, DRIVE_LEVEL2); // ret = LzUartInit(UART_ID, &attr); // if (ret <0) // { // printf("%s, %d: LzUartInit(%d) failed!n", __FILE__, __LINE__, ret); // return 1; // } // return 0; // } void func_uart_write(uint8_t * str, int fd) { printf("enter func_uart_write"); unsigned int ret; // printf("Youkai : %s, %d: uart write!n", __FILE__, __LINE__); // plus 3 due to dwin has head1/2/len ret = write(fd, str, (str+2)); if (ret <0) { printf("%s, %d: LzUartInit(%d) failed!n", __FILE__, __LINE__, ret); return; } //delay(100); } // void print_uint8(uint8_t in) // { // printf("----temp: len[%d]t[",(in+2)); // for(int i =0;i< 8;i++) // { // printf("%02X",(in+i)); // } // printf("]n"); // } void uint8_2_char(uint8_t * in,char * out, int cp_len) { // printf("----temp: len[%d]t[",(in+2)); printf("raw uint8_t data["); int cmd_len=(in+2)+3; char tmp[3]; memset(tmp,0x00,3); for(int i =0;i< cp_len;i++) { printf("%02X",(in+i)); sprintf(tmp,"%02X",(in+i)); strcat(out,tmp); memset(tmp,0x00,3); } printf("]n"); } void main(void) { int fd; int nread; char buf_rx[BUF_RX_MAX+1]; int n=0,i=0; // char* dev = NULL; char dev[] = "/dev/ttyS5"; struct termios oldtio,newtio; speed_t speed = B115200; int next_option,havearg = 0,flow = 0; /* 打开串口 / fd = open(dev, O_RDWR \| O_NONBLOCK\| O_NOCTTY \| O_NDELAY); if (fd < 0) { printf("Can't Open Serial Port!n"); exit(0); } printf("Welcome to uart buf_txn"); //save to oldtio tcgetattr(fd,&oldtio); bzero(&newtio,sizeof(newtio)); newtio.c_cflag = speed\|CS8\|CLOCAL\|CREAD; newtio.c_cflag &= ~CSTOPB; newtio.c_cflag &= ~PARENB; newtio.c_iflag = IGNPAR; newtio.c_oflag = 0; // newtio.c_cc[VTIME]=10; tcflush(fd,TCIFLUSH); tcsetattr(fd,TCSANOW,&newtio); tcgetattr(fd,&oldtio); memset(buf_rx,0,BUF_RX_MAX+1); char buf_tx[100]="forlinx_uart_test.1234567890..."; printf("Send buf_tx data:n[%s] [%ld]n",buf_tx,strlen(buf_tx)); write(fd, buf_tx, strlen(buf_tx)); fd_set rd; int flag_rx=0; bool flag_rx1= false; bool flag_rx2 = false; bool flag_print=true; int cmd_len=0; uint8_t str_send[UART_RECV_LEN] = "HelloWorld!n"; char str_send_char[513] = ""; uint8_t recv_int8[UART_RECV_LEN]; char recv_char[UART_RECV_LEN]; uint8_t recv_int8_t[9]; char recv_char_t[LEN_CHAR_TEMP]; char recv_char_p=NULL; // char *recv_char_addr=&recv_char; // status set true, will allow to send uart msg from xiaolinpai to dwin bool status_uart_send = false; init_dwin_status(); // dwin_cmd_init_send(); // i_dwin_cmd p_cmd_send = &cmd_send; // dwin_cmd_init_send(p_cmd_send); // ------------------- test uint8 to char ------------------- uint8_t xxx[]={0X5A,0XA5,0X05,0X82,0X10,0X00,0X00,0X01}; // u8_2_char(xxx); char yyy=(char )malloc(get_len(recv_int8)); u8_to_char(xxx,&yyy); // yyy = (char )u8_to_char(xxx); printf("yyy = %sn",yyy); // ------------------- test uint8 to char ------------------- printf("enter whilen"); printf("youkain"); while (1) { // ----------------- uart write ----------------- // if(status_uart_send == true) // { // printf("enter send uartn"); // // judge if str_send is empty // // int temp = -1; // // temp = judge_char(str_send); // // if(temp == 1) // if(str_send != 0x00) // { // printf("func_uart_write beforen"); // func_uart_write(str_send,fd); // printf("func_uart_write endn"); // } // memset(str_send,0x00,259); // // if send ok, // // status_uart_send = false; // } //delay(100); // // printf("Youkai : %s, %d: uart write!n", __FILE__, __LINE__); // ret = write(UART_ID, str_send, my_strlen(str_send)); // if (ret <0) // { // printf("%s, %d: LzUartInit(%d) failed!n", __FILE__, __LINE__, ret); // return; // } // ----------------- uart read ----------------- memset(recv_int8_t,0x00,UART_RECV_LEN); int nread = read(fd, recv_int8_t, UART_RECV_LEN); if (nread > 0) { // 接收到的是字符串 "5AA5" 4 // printf("temp: len[%ld]t[%s]n",strlen(recv_int8_t),recv_int8_t); // 接收到的是十六进制数 0x5AA5 2 // printf(">>>>%d,,%dn",recv_int8_t,(recv_int8_t+1)); if(recv_int8_t==0x5a && (recv_int8_t+1)==0xa5) { cmd_len=(recv_int8_t+2)+3; cmd_len=2cmd_len ; printf("ncmd len = %dn",cmd_len); // if(recv_char_p == NULL) // { // recv_char_p=(char)malloc(cmd_len+1); // } } // printf("uart read= %dn",nread); // sprintf(recv_char_t,"%02X",recv_int8_t); memset(recv_char_t,0x00,LEN_CHAR_TEMP); uint8_2_char(recv_int8_t,recv_char_t, nread); // u8_to_char(recv_int8_t,&recv_char_t); // printf("recv_char_t = [%s]n",recv_char_t); strcat(recv_char,recv_char_t); // strcat(recv_char_p,recv_char_t); printf("recv_char = [%s]n",recv_char); // // 获取长度，16进制传输 // int temp_len_i=get_len(recv_int8); // printf("temp_len=%dn",temp_len_i); // printf("temp: len[%02x]t[",(recv_int8_t+2),recv_int8_t); // 收到数据设置状态 flag_rx1=true; flag_rx2=true; } else if(nread < 0 ) { printf("%s, %d: LzUartInit(%d) failed!n", __FILE__, __LINE__, nread); return; } if(nread == 0) { // 判断传输停止 if(flag_rx1==true&&flag_rx2==true) { flag_rx2=false; } else if(flag_rx1==true&&flag_rx2==false) { flag_rx1=false; printf("judge 1n"); if(strlen(recv_char)>0) { printf("strlen = %ld _ cmd_len=%dn",strlen(recv_char),cmd_len); if(strlen(recv_char)==cmd_len) // if(strlen(recv_char_p)==cmd_len) { printf(">>>recv_cmd_char = [%s]n",recv_char); // printf(">>>recv_cmd_char = [%s]n",recv_char_p); // c_judge_dwin_event(&cmd_recv_char); // c_dwin_cmd_analysis(&recv_char_p,&cmd_recv_char); c_dwin_cmd_analysis(recv_char,&cmd_recv_char); // c_print_cmd(&cmd_recv_char); // free(recv_char_p); tcflush(fd, TCIOFLUSH); } memset(recv_char,0x00,UART_RECV_LEN); } } } } close(fd); return; } ``` ```c #include "dwin.h" // DATA FORMAT: head + date len + write/read + addr + read_len / write_value // 5A A5 + + 82/83 + 3000 + 01 / 3132 // ps: date_len = write/read(1) + addr(2) + read_len / write_value(1/2) // date_len is the number bytes of end date_len #define DWIN_CMD_HEAD_1 0x5A//{0x5A,0XA5}//"x5AxA5" #define DWIN_CMD_HEAD_2 0xA5 #define DWIN_CMD_WRITE 0x82 #define DWIN_CMD_READ 0x83 #define DWIN_CMD_OK "5AA503824F4B" #define DWIN_CMD_POINT_HEAD1 0 #define DWIN_CMD_POINT_HEAD2 1 #define DWIN_CMD_POINT_LEN 2 #define DWIN_CMD_POINT_WR 3 #define DWIN_CMD_POINT_ADDR1 4 #define DWIN_CMD_POINT_ADDR2 5 #define DWIN_CMD_POINT_VALUE 6 // -------------------- data -------------------- // case 1 // malloc char menber to save dwincmd by char format // char * dwin_cmd_char_temp; // case 2 char dwin_cmd_char_temp[DWIN_CMD_CHAR_MAX]; uint8_t dwin_cmd_u8_temp[DWIN_CMD_U8_MAX]; char * dwin_cmd_char_value; char temp_c[3]; i_dwin_cmd temp_cmd_recv; // from dwin i_dwin_cmd temp_cmd_send; // send to dwin c_dwin_cmd cmd_recv_char; // from dwin c_dwin_cmd cmd_send_char; // send to dwin dwin_event_key event_key_list[EVENT_KEY_NUM_MAX]={ // { // event_flag, event_name, // event_status, // event_addr, event_flag_name, // event_ops1, enent_ops1 // }, { EVENT_FLAG_AUDIO_RECORD, "record", EVENT_FLAG_STATUS_STOP, "1503", "EVENT_FLAG_AUDIO_RECORD", func_open_record, func_close_record }, { EVENT_FLAG_CAM_SCAN, "cam", EVENT_FLAG_STATUS_STOP, "1504", "EVENT_FLAG_CAM_SCAN", func_open_cam, func_close_cam }, { EVENT_FLAG_NFC_SCAN, "nfc", EVENT_FLAG_STATUS_STOP, "1505", "EVENT_FLAG_NFC_SCAN", func_open_nfc, func_close_nfc }, { EVENT_FLAG_UNKOWN, "unknow", EVENT_FLAG_STATUS_STOP, "0000" , "EVENT_FLAG_UNKOWN" } }; dwin_event_key_spec event_key_spec[EVENT_KEY_SPEC_NUM_MAX]= { // special event, just one ops // { // event_key, event_name, // event_ops // }, { "1502010012", "search", func_search }, // ... {EVENT_KEY_SPEC_VALUE, "end", func_spec_end } }; // -------------------- event func -------------------- // function void func_open_record() { printf("--- func_record_openn"); return; } void func_close_record() { printf("--- func_close_recordn"); return; } // function void func_open_cam() { printf("--- func_cam_openn"); return; } void func_close_cam() { printf("--- func_close_camn"); return; } // function void func_open_nfc() { printf("--- func_nfc_openn"); return; } void func_close_nfc() { printf("--- func_close_nfcn"); return; } void func_search() { printf("--- func_searchn"); return; } void func_spec_end() { printf("--- func_spec_endn"); return; } // void (func)(); // -------------------- dwin func -------------------- void init_dwin_status() { printf("set all status stopn"); dwin_event_key temp_key; temp_key = &event_key_list[0]; for(int i =0; temp_key->flag != EVENT_FLAG_UNKOWN; i++) { temp_key = &event_key_list; temp_key->status = EVENT_FLAG_STATUS_STOP; } return; } //--------------------------------------------------------- // FOR uint8_t data 0x5AA5.. // // // //--------------------------------------------------------- // cmd save as uint_8 void i_dwin_cmd_clear(i_dwin_cmd * cmd) { cmd->head[0]=DWIN_CMD_HEAD_1; cmd->head[1]=DWIN_CMD_HEAD_2; cmd->len = 0x00; cmd->wr = 0x00; cmd->addr[0] = 0x00; cmd->addr[1] = 0x00; cmd->value = NULL; if(cmd->cmd_u8 != NULL) { free(cmd->cmd_u8); cmd->cmd_u8 = NULL; } if(cmd->cmd_char != NULL) { free(cmd->cmd_char); cmd->cmd_char = NULL; } // memset(cmd->cmd_u8,0x00,DWIN_CMD_LEN_U8_MAX); // cmd->cmd_char = NULL; return; } void dwin_cmd_init_send() { i_dwin_cmd_clear(&temp_cmd_recv); temp_cmd_recv.wr = DWIN_CMD_WRITE; temp_cmd_recv.cmd_char = NULL; temp_cmd_recv.cmd_u8 = NULL; // memset(temp_cmd_recv.cmd_char,0x00,DWIN_CMD_CHAR_MAX); // memset(temp_cmd_recv.cmd_u8,0x00,DWIN_CMD_LEN_U8_MAX); return; } // TOTO // analysis u8 cmd to save in cmd void uart_dwin_cmd_analysis(uint8_t in_u8_raw) { // 1. judge cmd is dwin head uint8_t cmd_temp = in_u8_raw; if((cmd_temp+DWIN_CMD_POINT_HEAD1) == DWIN_CMD_HEAD_1 && (cmd_temp+DWIN_CMD_POINT_HEAD2)== DWIN_CMD_HEAD_2) { printf("this is dwin cmdn"); i_dwin_cmd_clear(&temp_cmd_recv); // 1. save cmd msg temp_cmd_recv.len = (cmd_temp + DWIN_CMD_POINT_LEN); temp_cmd_recv.wr = (cmd_temp + DWIN_CMD_POINT_WR); temp_cmd_recv.addr[0] = (cmd_temp + DWIN_CMD_POINT_ADDR1); temp_cmd_recv.addr[1] = (cmd_temp + DWIN_CMD_POINT_ADDR2); temp_cmd_recv.value = cmd_temp + DWIN_CMD_POINT_VALUE; // temp_cmd_recv.cmd_u8 = dwin_cmd_u8_temp; // case1: // copy_u8_2_u8(cmd_temp); //case2: temp_cmd_recv.cmd_u8 = u8_to_u8(in_u8_raw); // print_dwin_cmd(temp_cmd_recv); // uint8_t to char , save in cmd struct // case1: // temp_cmd_recv.cmd_char = dwin_cmd_char_temp; // memset(temp_cmd_recv.cmd_char,0x00,DWIN_CMD_CHAR_MAX); //case2: char temp_c=NULL; u8_to_char(in_u8_raw,&temp_c); if(temp_c!= NULL) temp_cmd_recv.cmd_char = temp_c; else printf("temp_c is null"); printf("temp_cmd_recv.cmd_char"); // dwin_cmd_uint8_t2char(temp_cmd_recv); // printf("dwin cmd char = %sn",temp_cmd_recv.cmd_char); // 2. event judge uart_judge_dwin_event(&temp_cmd_recv); printf("uart_judge_dwin_event"); } return; } // TOTO dwin_event_flag uart_judge_dwin_event(i_dwin_cmd cmd) { printf("nenter uart_judge_dwin_eventn"); // print_dwin_cmd(cmd); printf("cmd str = %sn",cmd->cmd_char); // 1. judge ok if(strcmp(cmd->cmd_char,DWIN_CMD_OK) == 0) { printf("recv okn"); // get ok, stop send // status_uart_send = false; return EVENT_FLAG_OK; } // 2. judge event printf("nenter uart_judge_dwin_eventn"); dwin_event_key temp_value ; temp_value = &event_key_list[0]; for(int i = 0; temp_value->flag != EVENT_FLAG_UNKOWN ; i++) { // +8 choose add // printf("search=%s,key=%sn",cmd->cmd_char + DWIN_CMD_CHAR_ADDR_VALUE ,temp_value.key); // can't use strcmp, due to uart data may have double 0x00 if(strstr(cmd->cmd_char + DWIN_CMD_CHAR_ADDR_VALUE, temp_value->key) != NULL) { printf("searched key= %s, value=%d, name=%sn",temp_value->key,temp_value->flag,temp_value->flag_name); if(strstr(cmd->cmd_char + DWIN_CMD_CHAR_VALUE_VALUE, "010001") != NULL) { printf("status set openn"); if(temp_value->open != NULL ) { temp_value->open(); temp_value->status = EVENT_FLAG_STATUS_ING; printf("%s status change: stop -> ingn",temp_value->event_name); } } if(strstr(cmd->cmd_char + DWIN_CMD_CHAR_VALUE_VALUE, "010000") != NULL) { printf("status set closen"); if(temp_value->close != NULL ) { temp_value->close(); temp_value->status = EVENT_FLAG_STATUS_STOP; printf("%s status change: ing -> stopn",temp_value->event_name); } } // change_dwin_status(temp_value->flag); // change_dwin_status_key(temp_value); printf("has find match key, event = [%s]nn",temp_value->event_name); return temp_value->flag; } temp_value = &event_key_list; } printf("hasn't find match keyn"); searc_spec_event(cmd); return EVENT_FLAG_UNKOWN; } void searc_spec_event(i_dwin_cmd * cmd) { printf("search spec eventn"); dwin_event_key_spec * temp_value ; temp_value = &event_key_spec[0]; // printf("spec event key = %sn",temp_value->key); for(int i = 0; strcmp(temp_value->key,EVENT_KEY_SPEC_VALUE) != 0 && i { // printf("spec event key = %sn",temp_value->key); // printf("spec event value = %sn",cmd->cmd_char + DWIN_CMD_CHAR_ADDR_VALUE); if(strstr(cmd->cmd_char + DWIN_CMD_CHAR_ADDR_VALUE, temp_value->key ) != NULL) { temp_value->func(); printf("find spec event: {value = %s,tname = %s,ttemp_value}n",temp_value->key,temp_value->event_name); return; } temp_value = &event_key_spec; } printf("unfind spec keyn"); return; } // -------------------- basic func -------------------- char * uint8_t2char(uint8_t value) { memset(temp_c,0x00,3); sprintf(temp_c, "%02X", value); // printf("temp_c = [%s]n",temp_c); return temp_c; } void print_dwin_cmd(i_dwin_cmd cmd) { printf("len=%02Xn",cmd.len); printf("wr=%02Xn",cmd.wr); printf("addr=%02x_%02Xn",cmd.addr[0],cmd.addr[1]); printf("value=%sn",cmd.cmd_char); return; } // 串口数据从uint8转换位char，例如0x5AA5，转换为字符串”5AA5“，由2字节转换为4字节 // malloc buffer and return buffer addr void u8_to_char(uint8_t * in_u8, char ** out) { uint8_t * temp_cmd_u8 = in_u8; int len_u8 = (in_u8 + DWIN_CMD_POINT_LEN ) + 3; // +3 head12/len int len_char = 2len_u8 +1; // +1 '' printf("cmd_u8 len_u8=%d,len_char=%dn",len_u8,len_char); // printf("0n"); // out = (char )malloc(len_char); // printf("1n"); memset(out,0x00,len_char); // printf("2n"); for(int i=0;i { // printf("i=%dn",i); uint8_t temp_int8=(in_u8+i); // printf("temp_int8 = %02xn",temp_int8); uint8_t2char( temp_int8 ); // printf("before strcatn"); strcat(out,temp_c); // printf(">>end strcatn"); // temp_cmd_u8++; } // strcat(cmd_char_t,''); // (temp_char + len_char -1) = ''; printf("u8_to_char out = [%s] n",out); // printf("temp_char endn"); return; } uint8_t u8_to_u8(uint8_t * in_u8) { uint8_t * temp_in_u8 = in_u8; int len_u8 = (in_u8 + DWIN_CMD_POINT_LEN) + 3; printf("cmd_u8 len_u8=%dn",len_u8); uint8_t temp_out_u8 = (uint8_t )malloc(len_u8); for(int i=0;i { (temp_out_u8 +i) = (temp_in_u8 +i); } return temp_out_u8; } // -------------------- delete func -------------------- void change_dwin_status_key(dwin_event_key in_key) { printf("change status n"); if(in_key->status == EVENT_FLAG_STATUS_ING) { in_key->status = EVENT_FLAG_STATUS_STOP; printf("%s status change: ing -> stopn",in_key->event_name); return; } else if(in_key->status == EVENT_FLAG_STATUS_STOP){ in_key->status = EVENT_FLAG_STATUS_ING; printf("%s status change: stop -> ingn",in_key->event_name); return; } else printf("error event_flag for %sn",in_key->event_name); printf("unknown eventn"); return; } void save_cmd_u8(i_dwin_cmd * cmd) { uint8_t * p = cmd->cmd_u8; (p+DWIN_CMD_POINT_HEAD1) = cmd->head[0]; (p+DWIN_CMD_POINT_HEAD2 ) = cmd->head[1]; (p+DWIN_CMD_POINT_LEN ) = cmd->len; (p+DWIN_CMD_POINT_WR ) = cmd->wr; (p+DWIN_CMD_POINT_ADDR1 ) = cmd->addr[0]; (p+DWIN_CMD_POINT_ADDR2 ) = cmd->addr[1]; return; // (p+2) } char uint8_t2char_list(uint8_t * p_dwin_u8_value,int len) { char * p_dwin_char_value = dwin_cmd_char_value; for(int i=0; i { strcat(p_dwin_char_value,uint8_t2char(p_dwin_u8_value)); p_dwin_u8_value++; p_dwin_char_value = p_dwin_char_value + 2; } (p_dwin_char_value +1 )= ''; return dwin_cmd_char_value; } int dwin_event_cmp(uint8_t * value ,uint8_t match) { uint8_t p_value = value; uint8_t * p_match = match; for(int i=0;i<4;i++) { if(p_value == p_match) { p_value++; p_match++; } else { printf("dont matchn"); return 0; } printf(" matched n"); return 1; } return 0; } /* func1: uint8_t change to char 0x5A A5 04 83 10 00 01 "5AA50483100001" func2: judge uint8_t if(str[X] == 0x5A) / char dwin_cmd_uint8_t2char(i_dwin_cmd cmd) { print_dwin_cmd(cmd); // case1: malloc // int cmd_len = cmd.len; // int malloc_len = (cmd_len + 3) 2 +1; // printf("malloc %dn",malloc_len); // dwin_cmd_char_temp = (char)malloc( malloc_len); // case2: char array memset(dwin_cmd_char_temp,0x00,DWIN_CMD_CHAR_MAX); // point to char value pos dwin_cmd_char_value = dwin_cmd_char_temp + 2DWIN_CMD_POINT_VALUE; // 1. head strcat(dwin_cmd_char_temp,"5AA5"); // printf("dwin_cmd_char_temp = %sn",dwin_cmd_char_temp); // 2. len uint8_t2char(cmd.len); strcat(dwin_cmd_char_temp,temp_c); // 3. wr uint8_t2char(cmd.wr); strcat(dwin_cmd_char_temp,temp_c); // 4. addr uint8_t2char(cmd.addr[0]); strcat(dwin_cmd_char_temp,temp_c); uint8_t2char(cmd.addr[1]); strcat(dwin_cmd_char_temp,temp_c); // printf("dwin_cmd_char_temp = %sn",dwin_cmd_char_temp); // 5. addr uint8_t2char_list(cmd.value,cmd.len - 3); // 3 due to addr(2) + wr(1) printf("dwin_cmd_char_temp = %sn",dwin_cmd_char_temp); return dwin_cmd_char_temp; } / func1: uint8_t change to char 0x5A A5 04 83 10 00 01 "5AA50483100001" func2: judge uint8_t if(str[X] == 0x5A) / void uart_recv_value_cut(uint8_t recv_all) { // dwin_cmd_sizeof = sizeof(recv_all); int dwin_cmd_sizeof = strlen(recv_all); //ERROR may: my_strlen printf("dwin_cmd_sizeof = %dn",dwin_cmd_sizeof); //p = (int)malloc(sizeof(int) n); char * dwin_cmd_charlist; dwin_cmd_charlist = (char)malloc( dwin_cmd_sizeof 2 +1); memset(dwin_cmd_charlist,0x00,dwin_cmd_sizeof); for(int i = 0;i { printf("i = [ %d ]n",i); uint8_t temp_uc = recv_all; char temp_c[3] = "00"; //ERROR, may set 2 if(temp_uc != 0x00) sprintf(temp_c, "%02X", temp_uc); else { printf("uc is 0x00n"); // temp_c[0] = '0'; // temp_c[1] = '0'; // temp_c = "00"; } printf("temp_c = [ %s ]n",temp_c); strcat(dwin_cmd_charlist,temp_c); //strcat(dwin_cmd_charlist,''); } printf("dwin_cmd_charlist %s n",dwin_cmd_charlist); printf("end display"); // if(recv_all[0]==DWIN_CMD_HEAD_1 && recv_all[1]==DWIN_CMD_HEAD_2) // { // printf("this is dwin cmd %sn",(char)recv_all); // dwin_cmd_len = recv_all[2]; // dwin_cmd_wr = recv_all[3]; // dwin_cmd_addr[0] = recv_all[4]; // dwin_cmd_addr[1] = recv_all[5]; // dwin_cmd_data_len = recv_all[6]; // dwin_cmd_data_value = recv_all+7; // printf("dwin_cmd_len %02Xn",dwin_cmd_len); // printf("dwin_cmd_wr %02Xn",dwin_cmd_wr); // printf("dwin_cmd_addr[0] %02Xn",dwin_cmd_addr[0]); // printf("dwin_cmd_addr[1] %02Xn",dwin_cmd_addr[1]); // printf("dwin_cmd_data_len %02Xn",dwin_cmd_data_len); // sprintf(dwin_cmd_charlist, "%02X", dwin_cmd_len); // printf("dwin_cmd_charlist %sn",dwin_cmd_charlist); // // printf(" %xn",); // // printf(" %xn",); // // if(recv_all[0]==0x5A) // } free(dwin_cmd_charlist); printf("end func"); return ; } void copy_u8_2_u8(uint8_t * u8_raw) { memset(dwin_cmd_u8_temp,0x00,DWIN_CMD_CHAR_MAX); uint8_t * p_raw = u8_raw; uint8_t * p_end = dwin_cmd_u8_temp; int len = (u8_raw + DWIN_CMD_POINT_LEN) + 3; for(int i=0;i { (p_end +i) = (p_raw +i); // p_raw++; // p_end++; } return; } //--------------------------------------------------------- // FOR char: "5AA5.." // // // //--------------------------------------------------------- // ADD FOR LINUX DIWN int judge_dwin_cmd(uint8_t in_u8_raw) { // 1. judge cmd is dwin head printf("judge_dwin_cmd=[%s]n",in_u8_raw); uint8_t cmd_temp = in_u8_raw; if((cmd_temp+DWIN_CMD_POINT_HEAD1) == DWIN_CMD_HEAD_1 && (cmd_temp+DWIN_CMD_POINT_HEAD2)== DWIN_CMD_HEAD_2) { printf("this is dwin cmdn"); return 1; } else return 0; } int get_len(uint8_t cmd_u8) { int len = (cmd_u8 + 2); // printf("len = %dn",len); return len; } // cmd save with char void c_dwin_cmd_clear(c_dwin_cmd * cmd) { printf("clear cmd valuen"); strncpy(cmd->head,"5AA5",4); strncpy(cmd->len,"00",2); strncpy(cmd->wr,"83",2); strncpy(cmd->addr,"0000",4); cmd->value = NULL; cmd->cmd_char = NULL; // memset(cmd->cmd_u8,0x00,DWIN_CMD_LEN_U8_MAX); // cmd->cmd_char = NULL; return; } void print_uint8(uint8_t * in) { printf("----temp: len[%d]t[",(in+2)); for(int i =0;i< 8;i++) { printf("%02X",(in+i)); } printf("]n"); } void c_print_cmd(c_dwin_cmd cmd) { printf("print cmd valuen"); printf("head \| len \| wr \| addr \| value \| alln"); printf("%s \| %s \| %s \| %s \| %s \| %sn",cmd->head,cmd->len,cmd->wr,cmd->addr,cmd->value,cmd->cmd_char); return; } void c_dwin_cmd_analysis(char in,c_dwin_cmd cmd) { // 1. judge cmd is dwin head char cmd_temp = in; printf("this is dwin cmdn"); c_dwin_cmd_clear(cmd); // 1. save cmd msg printf("save cmd valuen"); // printf("len=%sn",(in+C_CMD_POINT_LEN)); strncpy(cmd->len,in+C_CMD_POINT_LEN,2); strncpy(cmd->wr,in+C_CMD_POINT_WR,2); strncpy(cmd->addr,in+C_CMD_POINT_ADDR,4); // strncpy(cmd->value,in+C_CMD_POINT_LEN,); cmd->value=(in+C_CMD_POINT_VALUE); cmd->cmd_char=in; c_print_cmd(cmd); // 2. event judge c_judge_dwin_event(cmd); return; } void c_searc_spec_event(c_dwin_cmd * cmd) { printf("search spec eventn"); dwin_event_key_spec * temp_value ; temp_value = &event_key_spec[0]; // printf("spec event key = %sn",temp_value->key); for(int i = 0; strcmp(temp_value->key,EVENT_KEY_SPEC_VALUE) != 0 && i { // printf("spec event key = %sn",temp_value->key); // printf("spec event value = %sn",cmd->cmd_char + DWIN_CMD_CHAR_ADDR_VALUE); if(strstr(cmd->cmd_char + DWIN_CMD_CHAR_ADDR_VALUE, temp_value->key ) != NULL) { temp_value->func(); printf("find spec event, value = %s, name = %sn",temp_value->key,temp_value->event_name); return; } temp_value = &event_key_spec; } printf("unfind spec keyn"); return; } dwin_event_flag c_judge_dwin_event(c_dwin_cmd * cmd) { printf("nenter c_judge_dwin_eventn"); // print_dwin_cmd(cmd); printf("cmd str = [%s]n",(cmd->cmd_char)); // 1. judge ok if(strcmp((cmd->cmd_char),DWIN_CMD_OK) == 0) { printf("recv okn"); // get ok, stop send // status_uart_send = false; return EVENT_FLAG_OK; } // 2. judge event printf("nenter c_judge_dwin_eventn"); dwin_event_key temp_value ; temp_value = &event_key_list[0]; for(int i = 0; temp_value->flag != EVENT_FLAG_UNKOWN ; i++) { // +8 choose add // printf("search=%s,key=%sn",(cmd->cmd_char) + DWIN_CMD_CHAR_ADDR_VALUE ,temp_value.key); // can't use strcmp, due to uart data may have double 0x00 if(strstr((cmd->addr), temp_value->key) != NULL) { printf("searched key= %s, value=%d, name=%sn",temp_value->key,temp_value->flag,temp_value->flag_name); if(strstr((cmd->value) , "010001") != NULL) { printf("status set openn"); if(temp_value->open != NULL ) { temp_value->open(); temp_value->status = EVENT_FLAG_STATUS_ING; printf("%s status change: stop -> ingn",temp_value->event_name); } } if(strstr((cmd->cmd_char) , "010000") != NULL) { printf("status set closen"); if(temp_value->close != NULL ) { temp_value->close(); temp_value->status = EVENT_FLAG_STATUS_STOP; printf("%s status change: ing -> stopn",temp_value->event_name); } } // change_dwin_status(temp_value->flag); // change_dwin_status_key(temp_value); printf("has find match key, event = [%s]nn",temp_value->event_name); return temp_value->flag; } temp_value = &event_key_list; } printf("hasn't find match keyn"); c_searc_spec_event(cmd); return EVENT_FLAG_UNKOWN; } ``` ```c #include "stddef.h" #include "string.h" #include "stdio.h" #include "stdlib.h" #include "stdbool.h" #include "stdint.h" #define TRUE 1 #define FALSE 0 #define uint8_t u_int8_t #define bool _Bool typedef enum{ EVENT_FLAG_OK = 0X0, EVENT_FLAG_AUDIO_RECORD = 0x3, EVENT_FLAG_AUDIO_PLAY = 0x4, EVENT_FLAG_CAM_SCAN = 0x5, EVENT_FLAG_NFC_SCAN = 0x6, EVENT_FLAG_BOOK_SEARCH = 0x10, EVENT_FLAG_BOOK_INPUT = 0x11, EVENT_FLAG_UNKOWN = -1, }dwin_event_flag; typedef enum{ // EVENT_FLAG_STATUS_START = 0x0, EVENT_FLAG_STATUS_ING = TRUE, EVENT_FLAG_STATUS_STOP = FALSE, EVENT_FLAG_STATUS_ERROR = -1, }dwin_event_flag_status; typedef enum{ EVENT_TYPE_DWIN_SEND = 0x0, // uart read EVENT_FLAG_DWIN_RECV = 0x1, // uart write }dwin_event_type; #define DWIN_CMD_LEN_U8_MAX 259 typedef struct { uint8_t head[2]; uint8_t len; uint8_t wr; uint8_t addr[2]; uint8_t value; // uint8_t cmd_u8[DWIN_CMD_LEN_U8_MAX]; uint8_t * cmd_u8; char * cmd_char; }i_dwin_cmd; void uart_recv_value_cut(uint8_t * recv_all); // dwin_event_flag uart_judge_dwin_event(char str); dwin_event_flag uart_judge_dwin_event(i_dwin_cmd cmd); void print_dwin_cmd(i_dwin_cmd cmd); char * dwin_cmd_uint8_t2char(i_dwin_cmd cmd); char * uint8_t2char(uint8_t value); char * uint8_t2char_list(uint8_t * p_dwin_u8_value,int len); void change_dwin_status(dwin_event_flag event_flag); // UART recv/send judge dwin_event #define EVENT_KEY_NUM_MAX 10 // #define EVENT_KEY_MAX -1 // function void func_open_record(); void func_close_record(); void func_open_cam(); void func_close_cam(); void func_open_nfc(); void func_close_nfc(); #define EVENT_NAME_MAX 11 #define EVENT_FLAG_NAME_MAX 30 #define EVENT_KEY_VALUE_MAX 11 //"3000 0001" is 8 typedef struct { dwin_event_flag flag; char event_name[EVENT_NAME_MAX]; dwin_event_flag_status status; char key[EVENT_KEY_VALUE_MAX]; // key[0,3] addr key[4,7] value char flag_name[EVENT_FLAG_NAME_MAX]; void (open)(); void (close)(); }dwin_event_key; dwin_event_key event_key_list[EVENT_KEY_NUM_MAX]; // { // // { // // event_flag, event_name, // // event_status, // // event_addr, event_flag_name, // // event_ops1, enent_ops1 // // }, // { // EVENT_FLAG_AUDIO_RECORD, "record", // EVENT_FLAG_STATUS_STOP, // "1503", "EVENT_FLAG_AUDIO_RECORD", // func_open_record, func_close_record // }, // { // EVENT_FLAG_CAM_SCAN, "cam", // EVENT_FLAG_STATUS_STOP, // "1504", "EVENT_FLAG_CAM_SCAN", // func_open_cam, func_close_cam // }, // { // EVENT_FLAG_NFC_SCAN, "nfc", // EVENT_FLAG_STATUS_STOP, // "1505", "EVENT_FLAG_NFC_SCAN", // func_open_nfc, func_close_nfc // }, // { // EVENT_FLAG_UNKOWN, "unknow", // EVENT_FLAG_STATUS_STOP, // "0000" , "EVENT_FLAG_UNKOWN" // } // }; typedef struct { char key[EVENT_KEY_VALUE_MAX]; // key[0,3] addr key[4,7] value char event_name[EVENT_FLAG_NAME_MAX]; void (func)(); }dwin_event_key_spec; void func_search(); void func_spec_end(); void searc_spec_event(); #define EVENT_KEY_SPEC_VALUE "over" #define EVENT_KEY_SPEC_NUM_MAX 20 dwin_event_key_spec event_key_spec[EVENT_KEY_SPEC_NUM_MAX]; // { // // special event, just one ops // // { // // event_key, event_name, // // event_ops // // }, // { // "1502010012", "search", // func_search // }, // // ... // {EVENT_KEY_SPEC_VALUE, "end", // func_spec_end // } // }; void change_dwin_status_key(dwin_event_key in_key); void change_cmd_send_status(dwin_event_flag temp_event_flag); // -------------------- basic func -------------------- void copy_u8_2_u8(uint8_t * u8_raw); void u8_to_char(uint8_t * in_u8, char ** out); uint8_t * u8_to_u8(uint8_t * in_u8); // -------------------- dwin func -------------------- void dwin_cmd_init_send(); void init_dwin_status(); void i_dwin_cmd_clear(i_dwin_cmd * cmd); // get u8 from example void uart_dwin_cmd_analysis(uint8_t str); void copy_u8_to_cmdu8(i_dwin_cmd cmd, uint8_t * u8); //int my_strlen(uint8_t str); // int search_str_end(uint8_t str_z, int count); // int my_strlen(uint8_t str); // int judge_char(uint8_t str); #define DWIN_CMD_CHAR_ADDR_VALUE 8 #define DWIN_CMD_CHAR_VALUE_VALUE 12 #define DWIN_CMD_CHAR_MAX 513 #define DWIN_CMD_U8_MAX 256 // add for char #define C_CMD_POINT_HEAD 0 #define C_CMD_POINT_LEN 4 #define C_CMD_POINT_WR 6 #define C_CMD_POINT_ADDR 8 #define C_CMD_POINT_VALUE 12 typedef struct { char head[5]; char len[3]; char wr[3]; char addr[5]; char * value; char * cmd_char; }c_dwin_cmd; int judge_dwin_cmd(uint8_t ** in_u8_raw); int get_len(uint8_t cmd_u8); void c_dwin_cmd_analysis(char in,c_dwin_cmd cmd); void c_dwin_cmd_clear(c_dwin_cmd cmd); dwin_event_flag c_judge_dwin_event(c_dwin_cmd * cmd); void c_print_cmd(c_dwin_cmd cmd); void print_uint8(uint8_t in); ``` ```c #CC = aarch64-poky-linux-gcc -mcpu=cortex-a55 -fstack-protector-strong -D_FORTIFY_SOURCE=2 -Wformat -Wformat-security -Werror=format-security --sysroot=/opt/poky/3.1.5/sysroots/aarch64-poky-linux TARGET=t2_uart OBJS=t2_uart.o CFLAGS+=-c -Wall -g LDFLAGS+= -lpthread OPENSSL_DIR = /home/share/forlinx/OKT507/pro/feiling_dwin/v3_event INC_DIR = dwin.h SRC_DIR = dwin.c DWIN = dwin # $(TARGET):$(OBJS) # $(CC) $^ $(LDFLAGS) -o $@ # %.o:%.c # $(CC) $^ $(CFLAGS) -o $@ dwin_test:uart_example.c $(SRC_DIR) $(INC_DIR) $(CC) $^ -o dwin_test # dwin.o: # $(CC) $^ -o dwin.o # $CC t2_uart.c -o t2_uart clean: $(RM) *.o $(TARGET) -r install: install -m 0755 $(TARGET) ./ ``` # 配置环境【命令】export CC=aarch64-linux-gnu-gcc ![1.png](//file.elecfans.com/web2/M00/82/12/pYYBAGOSAYWAXHcJAANMrnVTRdw749.png) # 编译在对应目录直接输入make，会调用Makefile进行编译，最终生成dwin_test文件【命令】make ![2.png](//file.elecfans.com/web2/M00/81/89/poYBAGOSAbCAAoriAABl68r52Sw197.png) # 传输通过sftp将文件传输给设备OKT507 ![3.png](//file.elecfans.com/web2/M00/82/13/pYYBAGOSAcGAOtzDAALdJWlHMkc002.png) 账号和密码都是root，端口22 直接拖到右侧的远程站点即可。 # 运行 cmd len = 18 raw uint8_t data[5AA506831503010001] recv_char = [5AA506831503010001] judge 1 strlen = 18 _ cmd_len=18 >>>recv_cmd_char = [5AA506831503010001] this is dwin cmd clear cmd value save cmd value print cmd value head \| len \| wr \| addr \| value \| all 5AA5 \| 06 \| 83 \| 1503 \| 010001 \| 5AA506831503010001 enter c_judge_dwin_event cmd str = [5AA506831503010001] enter c_judge_dwin_event searched key= 1503, value=3, name=EVENT_FLAG_AUDIO_RECORD status set open --- func_record_open record status change: stop -> ing has find match key, event = [record] # 小结本章沿用之前的代码，更改了部分tty配置，具体可以参考uart一章的代码。 0
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