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104 lines
2.7 KiB
104 lines
2.7 KiB
/*
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Some random cgi routines. Used in the LED example and the page that returns the entire
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flash as a binary. Also handles the hit counter on the main page.
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*/
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* Jeroen Domburg <jeroen@spritesmods.com> wrote this file. As long as you retain
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* this notice you can do whatever you want with this stuff. If we meet some day,
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* and you think this stuff is worth it, you can buy me a beer in return.
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* ----------------------------------------------------------------------------
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*/
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#include <string.h>
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#include <osapi.h>
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#include "user_interface.h"
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#include "mem.h"
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#include "httpd.h"
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#include "cgi.h"
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#include "io.h"
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#include <ip_addr.h>
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#include "espmissingincludes.h"
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//cause I can't be bothered to write an ioGetLed()
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static char currLedState=0;
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//Cgi that turns the LED on or off according to the 'led' param in the POST data
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int ICACHE_FLASH_ATTR cgiLed(HttpdConnData *connData) {
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int len;
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char buff[1024];
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if (connData->conn==NULL) {
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//Connection aborted. Clean up.
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return HTTPD_CGI_DONE;
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}
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len=httpdFindArg(connData->postBuff, "led", buff, sizeof(buff));
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if (len!=0) {
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currLedState=atoi(buff);
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ioLed(currLedState);
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}
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httpdRedirect(connData, "led.tpl");
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return HTTPD_CGI_DONE;
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}
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//Template code for the led page.
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void ICACHE_FLASH_ATTR tplLed(HttpdConnData *connData, char *token, void **arg) {
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char buff[128];
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if (token==NULL) return;
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os_strcpy(buff, "Unknown");
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if (os_strcmp(token, "ledstate")==0) {
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if (currLedState) {
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os_strcpy(buff, "on");
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} else {
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os_strcpy(buff, "off");
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}
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}
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httpdSend(connData, buff, -1);
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}
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static long hitCounter=0;
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//Template code for the counter on the index page.
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void ICACHE_FLASH_ATTR tplCounter(HttpdConnData *connData, char *token, void **arg) {
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char buff[128];
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if (token==NULL) return;
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if (os_strcmp(token, "counter")==0) {
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hitCounter++;
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os_sprintf(buff, "%ld", hitCounter);
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}
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httpdSend(connData, buff, -1);
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}
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//Cgi that reads the SPI flash. Assumes 512KByte flash.
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int ICACHE_FLASH_ATTR cgiReadFlash(HttpdConnData *connData) {
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int *pos=(int *)&connData->cgiData;
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if (connData->conn==NULL) {
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//Connection aborted. Clean up.
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return HTTPD_CGI_DONE;
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}
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if (*pos==0) {
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os_printf("Start flash download.\n");
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httpdStartResponse(connData, 200);
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httpdHeader(connData, "Content-Type", "application/bin");
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httpdEndHeaders(connData);
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*pos=0x40200000;
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return HTTPD_CGI_MORE;
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}
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//Send 1K of flash per call. We will get called again if we haven't sent 512K yet.
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espconn_sent(connData->conn, (uint8 *)(*pos), 1024);
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*pos+=1024;
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if (*pos>=0x40200000+(512*1024)) return HTTPD_CGI_DONE; else return HTTPD_CGI_MORE;
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}
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