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Logic Way ABP08 ABP09 enhancements by Arndt Kritzner

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git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@1071 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
michael
2009-11-22 05:27:53 +00:00
parent 949791258d
commit 3379ecac26
1 changed files with 141 additions and 7 deletions
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drv_LW_ABP.c
+141 -7
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@@ -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");