Logic Way ABP08 ABP09 enhancements by Arndt Kritzner

git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1071 3ae390bd-cb1e-0410-b409-cd5a39f66f1f

diff --git a/drv_LW_ABP.c b/drv_LW_ABP.c
index b8850512b3d5686b523718d9b5f7d10da597edd7..a8071d4d07d98863706d2e7ab0ee49ed9f0eba6c 100644 (file)
--- a/drv_LW_ABP.c
+++ b/drv_LW_ABP.c
@@ -40,6 +40,8 @@
 #include <stdio.h>
 #include <unistd.h>
 #include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
 #include <time.h>
 #include <errno.h>
 
@@ -73,6 +75,7 @@
 #define KEY_RIGHT 1
 
 static char Name[] = "LW_ABP";
+static char logicway[] = "www.logicway.de";
 
 /* ring buffer for bytes received from the display */
 static unsigned char RingBuffer[256];
@@ -80,12 +83,19 @@ static unsigned int RingRPos = 0;
 static unsigned int RingWPos = 0;
 
 static int button = -1;
-static char *colors[] = { "r 0", "r 1", "g 0", "g 1", "b 0", "b 1", "c 0", "c 1", "m 0", "m 1", "y 0", "y 1", NULL };
+static char *colors[] =
+    { "r 0", "r 1", "g 0", "g 1", "b 0", "b 1", "c 0", "c 1", "m 0", "m 1", "y 0", "y 1", "w 0", "w 1", NULL };
 
 #define TIMESYNC_FIRST  600
 #define TIMESYNC_INTERVAL 24*3600
 static time_t next_timesync;
 
+static char *switchcontact = NULL;
+static int statresult = 0;
+static time_t switchcontact_lastchange = 0;
+static time_t switchcontact_time = 0;
+#define SWITCH_ACTION_DURATION 1000
+
 /****************************************/
 /***  hardware dependant functions    ***/
 /****************************************/
@@ -153,6 +163,77 @@ static int drv_LW_ABP_time(unsigned char force)
     return 0;
 }
 
+static int drv_LW_ABP_switchcontact(void)
+{
+    char cmd[] = "switch time ";
+    char command[50];
+    struct stat statinfo;
+    FILE *configfile;
+    int scanresult;
+    int config_entries;
+    char inputline[101];
+    if ((switchcontact != NULL) && (*switchcontact != '\0')) {
+       if (stat(switchcontact, &statinfo) == -1) {
+           if (statresult != -1) {
+               error("%s: specified switch contact control file %s not found", Name, switchcontact);
+               switchcontact_time = 0;
+               sprintf(command, "%s%lu %u\r\n", cmd, (unsigned long) switchcontact_time, SWITCH_ACTION_DURATION);
+               drv_LW_ABP_send(command, strlen(command));
+               info("%s: switchtime deactivated", Name);
+               statresult = -1;
+           }
+       } else {
+           if (statresult == -1) {
+               info("%s: specified switch contact control file %s appeared", Name, switchcontact);
+               statresult = 0;
+           }
+           if ((switchcontact_lastchange == 0) || (switchcontact_lastchange < statinfo.st_mtime)) {
+               info("%s: specified switch contact control file %s has changed (%lu < %lu)", Name, switchcontact,
+                    (unsigned long) switchcontact_lastchange, (unsigned long) statinfo.st_mtime);
+               switchcontact_lastchange = statinfo.st_mtime;
+               configfile = fopen(switchcontact, "r");
+               if (configfile == NULL) {
+                   error("%s: could not open specified switch contact control file %s", Name, switchcontact);
+               } else {
+                   config_entries = 0;
+                   while (!feof(configfile)) {
+                       if (fgets(inputline, 100, configfile) != NULL) {
+                           if ((scanresult = sscanf(inputline, "switchtime=%lu", &switchcontact_time)) == 1) {
+                               info("%s: switchtime read %lu (file %s)", Name, (unsigned long) switchcontact_time,
+                                    switchcontact);
+                               config_entries++;
+                           }
+                       }
+                   }
+                   fclose(configfile);
+                   if (config_entries > 0) {
+                       if (switchcontact_time < time(NULL)) {
+                           switchcontact_time = 0;
+                           info("%s: switchtime is in past %lu (now %lu), so deactivated", Name,
+                                (unsigned long) switchcontact_time, time(NULL));
+                       }
+                   } else {
+                       switchcontact_time = 0;
+                   }
+                   if (switchcontact_time != 0) {
+                       sprintf(command, "%s%lu %u\r\n", cmd, (unsigned long) switchcontact_time,
+                               SWITCH_ACTION_DURATION);
+                       drv_LW_ABP_send(command, strlen(command));
+                       info("%s: switchtime set to %lu", Name, (unsigned long) switchcontact_time);
+                   } else {
+                       sprintf(command, "%s%lu %u\r\n", cmd, (unsigned long) switchcontact_time,
+                               SWITCH_ACTION_DURATION);
+                       drv_LW_ABP_send(command, strlen(command));
+                       info("%s: switchtime deactivated", Name);
+                   }
+               }
+           }
+       }
+    }
+
+    return 0;
+}
+
 /* text mode displays only */
 static void drv_LW_ABP_write(const int row, const int col, const char *data, int len)
 {
@@ -200,6 +281,8 @@ static void drv_LW_ABP_process_button(void)
 
 static int drv_LW_ABP_poll(void)
 {
+    char received[100];
+
     /* read into RingBuffer */
     while (1) {
        char buffer[32];
@@ -215,6 +298,8 @@ static int drv_LW_ABP_poll(void)
        }
     }
 
+    received[0] = '\0';
+
     /* process RingBuffer */
     while (1) {
        char command[32];
@@ -224,8 +309,12 @@ static int drv_LW_ABP_poll(void)
        if (num < 0)
            num += sizeof(RingBuffer);
        /* minimum packet size=3 */
-       if (num < 1)
+       if (num < 1) {
+           if (strlen(received) > 0) {
+               debug("%s: received: %s", Name, received);
+           }
            return 0;
+       }
        if (byte(0) != '[') {
            goto GARBAGE;
        }
@@ -238,8 +327,12 @@ static int drv_LW_ABP_poll(void)
        }
        command[n] = '\0';
        if (command[n - 1] != ']') {
-           if (strlen(command) < 4)
+           if (strlen(command) < 4) {
+               if (strlen(received) > 0) {
+                   debug("%s: received: %s", Name, received);
+               }
                return 0;
+           }
            goto GARBAGE;
        }
        info("%s: command read from keypad: %s\n", Name, command);
@@ -253,9 +346,30 @@ static int drv_LW_ABP_poll(void)
        if (RingRPos >= sizeof(RingBuffer))
            RingRPos -= sizeof(RingBuffer);
        /* a packet arrived */
+       if (strlen(received) > 0) {
+           debug("%s: received: %s", Name, received);
+       }
        return 1;
       GARBAGE:
-       debug("%s: dropping garbage byte %02x", Name, byte(0));
+       switch (byte(0)) {
+       case '\n':
+       case '\r':
+       case '>':
+           if (strlen(received) > 0) {
+               debug("%s: received: %s", Name, received);
+               received[0] = '\0';
+           }
+           break;
+       default:
+           if (byte(0) < ' ')
+               debug("%s: dropping garbage byte %02x", Name, byte(0));
+           else if ((strlen(received) + 2) > sizeof(received)) {
+               debug("%s: received: %s", Name, received);
+               received[0] = '\0';
+           }
+           sprintf(received, "%s%c", received, byte(0));
+           break;
+       }
        RingRPos++;
        if (RingRPos >= sizeof(RingBuffer))
            RingRPos = 0;
@@ -273,6 +387,7 @@ static void drv_LW_ABP_timer(void __attribute__ ((unused)) * notused)
     }
 
     drv_LW_ABP_time(0);
+    drv_LW_ABP_switchcontact();
 }
 
 static int drv_LW_ABP_keypad(const int num)
@@ -375,6 +490,8 @@ static int drv_LW_ABP_start(const char *section)
        }
     }
 
+    switchcontact = cfg_get(section, "Switchcontact", NULL);
+
     if (cfg_number(section, "Contrast", 0, 0, 255, &contrast) > 0) {
        drv_LW_ABP_contrast(contrast);
     }
@@ -470,7 +587,7 @@ int drv_LW_ABP_init(const char *section, const int quiet)
     if (!quiet) {
        char buffer[40];
        qprintf(buffer, sizeof(buffer), "%s %dx%d", Name, DCOLS, DROWS);
-       if (drv_generic_text_greet(buffer, "www.logicway.de")) {
+       if (drv_generic_text_greet(buffer, logicway)) {
            sleep(3);
            drv_LW_ABP_clear();
        }
@@ -518,6 +635,9 @@ int drv_LW_ABP_init(const char *section, const int quiet)
 /* use this function for a text display */
 int drv_LW_ABP_quit(const int quiet)
 {
+    char switchactive[] = "switch scheduled";
+    char timeinfo[17];
+    struct tm switchtime_info;
 
     info("%s: shutting down.", Name);
 
@@ -528,8 +648,22 @@ int drv_LW_ABP_quit(const int quiet)
     drv_LW_ABP_clear();
 
     /* say goodbye... */
-    if (!quiet) {
-       drv_generic_text_greet("goodbye!", NULL);
+    if (switchcontact_time < time(NULL)) {
+       switchcontact_time = 0;
+       info("%s: switchtime is in past %lu (now %lu), so deactivated", Name, (unsigned long) switchcontact_time,
+            time(NULL));
+    }
+    if (switchcontact_time == 0) {
+       if (!quiet) {
+           drv_generic_text_greet("goodbye!", NULL);
+       }
+    } else {
+       drv_LW_ABP_write(0, 0, logicway, strlen(logicway));
+       drv_LW_ABP_write(1, 0, switchactive, strlen(switchactive));
+       localtime_r(&switchcontact_time, &switchtime_info);
+       if (strftime(timeinfo, sizeof(timeinfo), "for %a %X", &switchtime_info) > 0) {
+           drv_LW_ABP_write(2, 0, timeinfo, strlen(timeinfo));
+       }
     }
 
     debug("closing connection");