ADC_SPI_ETH.rar_SPIadc资源-CSDN文库

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ADC_SPI_ETH.rar （1个子文件）

ADC_SPI_ETH.c 6KB

#opt 8 #include <18f4620.h> #fuses XT,NOLVP,NOWDT,NOPROTECT,PUT,NODEBUG,BROWNOUT,NOCPD,NOWRT #define STACK_USE_PICDEM_LCD TRUE //set to true to put out information on the LCD screen #use delay(clock=20000000) //CCS picnet is 20Mhz //You must set one (and only) one of these to TRUE to tell the stack what hardware layer you are using #define STACK_USE_MAC TRUE //use the nic card #define STACK_USE_PPP FALSE //use PPP on modem #define STACK_USE_SLIP FALSE //use slip (NOT TESTED) #define HTTP_PORT 80 //The TCP Port of your HTTP server. (Most are 80) char HTML_BODY_TOP[]="<HTML><BODY BGCOLOR=#FFFFFF TEXT=#000000><IMG SRC=http://www.ccsinfo.com/pix/index-ccs.gif><P><H1>ex_st_webserver.c</H1><P>"; char HTML_BODY_BOT[]="<P><A HREF=\"http://www.ccsinfo.com/\">CCS</A></BODY></HTML>"; /// *** END USER CONFIGURABLE DEFINITIONS #if STACK_USE_MAC #define STACK_USE_DHCP TRUE //for auto resolution of IP address #define STACK_USE_ARP TRUE //needed to resolve MAC addresses of IP addresses #define STACK_USE_UDP TRUE //needed for dhcp #endif #define STACK_USE_ICMP TRUE //for ping #define STACK_USE_TCP TRUE //To send TCP packets (talk to SMTP server) #define STACK_USE_IP_GLEANING FALSE #include "drivers\StackTsk.c" //include Microchip's TCP/IP stack //#include "ccshelper.c" //include CCS's PICDEM.net/PICNET helper functions //#include "ccshelperui.c" int8 http_socket; enum {HTTP_IGNORE, HTTP_LISTEN_WAIT, HTTP_CONNECTED, HTTP_GOT_REQUEST, HTTP_CLOSE, HTTP_CLOSE_WAIT} http_state=HTTP_IGNORE; void http_state_init(void) { http_socket=TCPListen(HTTP_PORT); if (http_socket!=INVALID_SOCKET) { http_state=HTTP_LISTEN_WAIT; } else { fprintf(USER,"\r\nCouldn't open socket"); #IF STACK_USE_PICDEM_LCD printf(lcd_putc,"\fERROR, NO SOCK"); #ENDIF } } void http_state_machine(void) { char buffer[300]; static char c0,c1,c2,c3; int8 ad0,ad1; if (!TCPIsConnected(http_socket)) { http_state=HTTP_LISTEN_WAIT; } switch(http_state) { case HTTP_LISTEN_WAIT: if (!TCPIsConnected(http_socket)) { return; } http_state=HTTP_CONNECTED; fprintf(USER,"\r\n\nHTTP Connected"); #IF STACK_USE_PICDEM_LCD printf(lcd_putc,"\fHTTP Connected"); display_ip_lcd(); #ENDIF //wait until we get '\r\n\r\n', which marks the end of the HTTP request header case HTTP_CONNECTED: if (TCPIsGetReady(http_socket)) { //fprintf(USER,"\r\nCHAR: "); while(TCPGet(http_socket,&c3)) { //fprintf(USER,"%X ",c3); if ((c0=='\r')&&(c1=='\n')&&(c2=='\r')&&(c3=='\n')) { fprintf(USER,"\r\nGot Request"); #IF STACK_USE_PICDEM_LCD printf(lcd_putc,"\fGot Request"); display_ip_lcd(); #ENDIF TCPFlush(http_socket); http_state=HTTP_GOT_REQUEST; } else { c0=c1; c1=c2; c2=c3; } } } return; case HTTP_GOT_REQUEST: if (TCPIsPutReady(http_socket)) { set_adc_channel(0); delay_us(100); ad0=read_adc(); set_adc_channel(1); delay_us(100); ad1=read_adc(); sprintf(buffer,"%s<P><B>AD0: </B>%U<BR><B>AD1: </B>%U%s",HTML_BODY_TOP,ad0,ad1,HTML_BODY_BOT); if (tcp_putd(http_socket, &buffer[0], strlen(buffer))) { http_state=HTTP_CLOSE; fprintf(USER,"\r\nSent Response"); #IF STACK_USE_PICDEM_LCD printf(lcd_putc,"\fSent Response"); display_ip_lcd(); #ENDIF } } return; case HTTP_CLOSE: if (TCPIsPutReady(http_socket)) { TCPDisconnect(http_socket); http_state=HTTP_CLOSE_WAIT; fprintf(USER,"\r\nHTTP Closed"); #IF STACK_USE_PICDEM_LCD printf(lcd_putc,"\fHTTP Closed"); display_ip_lcd(); #ENDIF } return; //default: return; } } void splash(void) { #IF STACK_USE_PICDEM_LCD printf(lcd_putc,"\fCCS ex_st_webserver"); #ENDIF fprintf(USER,"\r\n\r\nCCS ex_st_webserver\r\n"); ui_settings(); ui_menu(); } void main(void) { delay_ms(72); init(); http_state_init(); splash(); while (TRUE) { restart_wdt(); if (kbhit(USER)) { ui_handle(); } //just something to test the buttons #if STACK_USE_CCS_PICNET if (!input(USER_BUTTON1)) {output_high(USER_LED2);} if (!input(USER_BUTTON2)) {output_low(USER_LED2);} #elif STACK_USE_MICROCHIP_PICDEM if (!input(USER_BUTTON1)) {output_low(USER_LED3);} else {output_high(USER_LED3);} #endif //every second: refresh current IP, blink LED if (second_counter>=1) { display_ip_lcd(); toggle_led(); second_counter=0; } #if STACK_USE_PPP if (ppp_is_connected()) { #endif StackTask(); //Microchip's TCP/IP stack handler. Must be called routinely. http_state_machine(); //This example's HTTP handler. Must be called routinely after StackTask(). #if STACK_USE_PPP } #endif } }

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