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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/utsname.h>
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#include "../../shared/sockets.h"
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#include "main.h"
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#include "mode.h"
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#include "batt.h"
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int batt_fd = 0;
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static int get_batt_stat(int *acstat, int *battstat,
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int *battflag, int *percent);
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static int get_batt_stat(int *acstat, int *battstat,
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int *battflag, int *percent)
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{
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char str[64];
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if(!batt_fd)
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batt_fd = open("/proc/apm", O_RDONLY);
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if(batt_fd <= 0) return -1;
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if(lseek(batt_fd, 0, 0) != 0) return -1;
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if(read(batt_fd, str, sizeof(str)-1) < 0) return -1;
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if(3 > sscanf(str+13, "0x%x 0x%x 0x%x %d",
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acstat, battstat, battflag, percent))
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return -1;
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return 0;
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}
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int batt_init()
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{
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static int first = 1;
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if(first)
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{
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first = 0;
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sock_send_string(sock, "screen_add B\n");
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}
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return 0;
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}
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int batt_close()
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{
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if(batt_fd) close(batt_fd);
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batt_fd = 0;
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return 0;
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}
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////////////////////////////////////////////////////////////////////////
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// Battery Screen shows apm battery status...
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//
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//####################
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//## Battery: 100% ###
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//AC: Unknown
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//Batt: Low (Charging)
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//E------------------F
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int battery_screen(int rep, int display)
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{
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static int first=1;
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int acstat=0, battstat=0, battflag=0, percent=0;
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if(first)
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{
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first = 0;
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sprintf(buffer, "screen_set B name {APM stats: %s}\n", host);
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sock_send_string(sock, buffer);
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sock_send_string(sock, "widget_add B title title\n");
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sprintf(tmp, "widget_set B title {LCDPROC %s}\n", version);
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sock_send_string(sock, tmp);
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sock_send_string(sock, "widget_add B one string\n");
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if(lcd_hgt >= 4)
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{
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sock_send_string(sock, "widget_add B two string\n");
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sock_send_string(sock, "widget_add B three string\n");
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sock_send_string(sock, "widget_add B gauge hbar\n");
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sock_send_string(sock,
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"widget_set B one 1 2 {AC: Unknown}\n");
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sock_send_string(sock,
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"widget_set B two 1 3 {Batt: Unknown}\n");
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sock_send_string(sock,
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"widget_set B three 1 4 {E F}\n");
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sock_send_string(sock, "widget_set B gauge 2 4 0\n");
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}
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}
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// Only run once every 16 frames...
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//if(rep&0x0f) return 0;
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get_batt_stat(&acstat, &battstat, &battflag, &percent);
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if(percent >= 0) sprintf(buffer, "%i%%", percent);
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else sprintf(buffer, "??%%");
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sprintf(tmp, "widget_set B title {Batt: %s: %s}\n", buffer, host);
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if(display) sock_send_string(sock, tmp);
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if(lcd_hgt >= 4) // 4-line version of the screen
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{
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sprintf(tmp, "widget_set B one 1 2 {");
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switch(acstat)
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{
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case 0: sprintf(tmp+strlen(tmp), "AC: Off}\n");
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break;
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case 1: sprintf(tmp+strlen(tmp), "AC: On}\n");
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break;
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case 2: sprintf(tmp+strlen(tmp), "AC: Backup}\n");
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break;
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default: sprintf(tmp+strlen(tmp), "AC: Unknown}\n");
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break;
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}
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if(display) sock_send_string(sock, tmp);
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sprintf(tmp, "widget_set B two 1 3 {");
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if(battflag == 0xff)
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{
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sprintf(tmp+strlen(tmp), "Battery Stat Unknown");
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}
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else
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{
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sprintf(tmp+strlen(tmp), "Batt:");
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if(battflag & 1) sprintf(tmp+strlen(tmp), " High");
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if(battflag & 2) sprintf(tmp+strlen(tmp), " Low");
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if(battflag & 4) sprintf(tmp+strlen(tmp), " Critical");
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if(battflag & 8
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||battstat == 3) sprintf(tmp+strlen(tmp), " Charging");
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if(battflag & 128) sprintf(tmp+strlen(tmp), " (NONE)");
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}
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sprintf(tmp+strlen(tmp), "}\n");
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if(display) sock_send_string(sock, tmp);
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if(percent > 0)
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{
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sprintf(tmp, "widget_set B gauge 2 4 %i\n",
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(percent * ((lcd_wid-2)*lcd_cellwid)/100));
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if(display) sock_send_string(sock, tmp);
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}
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} // end if(lcd_hgt >= 4)
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else // two-line version of the screen
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{
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sprintf(tmp, "widget_set B one 1 2 {");
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if(acstat == 1)
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sprintf(tmp+strlen(tmp), "AC, ");
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if(battflag == 0xff)
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{
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sprintf(tmp+strlen(tmp), "No battery???");
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}
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else
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{
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sprintf(tmp+strlen(tmp), "Batt:");
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if(battflag & 1) sprintf(tmp+strlen(tmp), " High");
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if(battflag & 2) sprintf(tmp+strlen(tmp), " Low");
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if(battflag & 4) sprintf(tmp+strlen(tmp), " Critical");
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if(battflag & 8
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||battstat == 3) sprintf(tmp+strlen(tmp), " Charging");
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if(battflag & 128) sprintf(tmp+strlen(tmp), " (NONE)");
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}
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sprintf(tmp+strlen(tmp), "}\n");
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if(display) sock_send_string(sock, tmp);
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}
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return 0;
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}
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