#include "project.h"
void ICACHE_FLASH_ATTR
gpio_page (struct espconn *conn)
{
char *page = os_zalloc (1024);
char *ptr = page;
int i;
uint32_t j, v;
if (!page)
{
webserver_send_reply (conn, 400, "text/html",
"<html><head></head><body>Out of memory</body></html>",
0);
return;
}
ptr += os_sprintf (ptr, "<html><head>");
ptr += os_sprintf (ptr, "<style>\n"
"table {\n"
"border-collapse: collapse;\n"
"}\n"
"table, th, td {\n"
"border: 1px solid black;\n" "}\n" "</style>");
ptr += os_sprintf (ptr, "</head><body>");
v = gpio_input_get ();
ptr += os_sprintf (ptr, "<h2>GPIO: 0x%04x</h2><br/>", v);
ptr += os_sprintf (ptr, "<table>");
for (i = 0; i < 16; ++i)
{
j = 1 << i;
ptr +=
os_sprintf (ptr,
"<tr><td>%d</td><td>0x%04x</td><td>%s</td></tr>",
i, j, (j & v) ? "High" : "Low");
}
ptr += os_sprintf (ptr, "</table></body></html>");
webserver_send_reply (conn, 200, "text/html", page, ptr - page);
os_free (page);
}