diff options
| -rw-r--r-- | drv_Trefon.c | 43 | ||||
| -rw-r--r-- | lcd4linux.conf.sample | 2 |
2 files changed, 38 insertions, 7 deletions
diff --git a/drv_Trefon.c b/drv_Trefon.c index f303509..a7fac91 100644 --- a/drv_Trefon.c +++ b/drv_Trefon.c @@ -1,4 +1,4 @@ -/* $Id: drv_Trefon.c,v 1.1 2005/04/24 04:33:46 reinelt Exp $ +/* $Id: drv_Trefon.c,v 1.2 2005/04/24 05:27:09 reinelt Exp $ * * driver for TREFON USB LCD displays * @@ -23,6 +23,9 @@ * * * $Log: drv_Trefon.c,v $ + * Revision 1.2 2005/04/24 05:27:09 reinelt + * Trefon Backlight added + * * Revision 1.1 2005/04/24 04:33:46 reinelt * driver for TREFON USB LCD's added * @@ -65,10 +68,11 @@ #define LCD_USB_VENDOR 0xfff0 #define LCD_USB_DEVICE 0xfffe -#define PKT_START 0x02 -#define PKT_DATA 0x02 -#define PKT_CTRL 0x06 -#define PKT_END 0xff +#define PKT_START 0x02 +#define PKT_BACKLIGHT 0x01 +#define PKT_DATA 0x02 +#define PKT_CTRL 0x06 +#define PKT_END 0xff static char Name[]="TREFON"; @@ -211,8 +215,23 @@ static void drv_TF_defchar (const int ascii, const unsigned char *matrix) } +static int drv_TF_backlight (int backlight) +{ + char buffer[4] = { PKT_START, PKT_BACKLIGHT, 0, PKT_END }; + + if (backlight < 0) backlight = 0; + if (backlight > 1) backlight = 1; + + buffer[2] = backlight; + drv_TF_send(buffer, 4); + + return backlight; +} + + static int drv_TF_start (const char *section, const int quiet) { + int backlight; int rows=-1, cols=-1; char *s; @@ -235,6 +254,10 @@ static int drv_TF_start (const char *section, const int quiet) return -1; } + if (cfg_number(section, "Backlight", 1, 0, 1, &backlight) > 0) { + drv_TF_backlight (backlight); + } + drv_TF_clear(); /* clear display */ if (!quiet) { @@ -254,7 +277,13 @@ static int drv_TF_start (const char *section, const int quiet) /*** plugins ***/ /****************************************/ -/* none */ +static void plugin_backlight (RESULT *result, RESULT *arg1) +{ + double backlight; + + backlight = drv_TF_backlight(R2N(arg1)); + SetResult(&result, R_NUMBER, &backlight); +} /****************************************/ @@ -340,7 +369,7 @@ int drv_TF_init (const char *section, const int quiet) widget_register(&wc); /* register plugins */ - /* none */ + AddFunction ("LCD::backlight", 1, plugin_backlight); return 0; } diff --git a/lcd4linux.conf.sample b/lcd4linux.conf.sample index d1c10a0..57465f1 100644 --- a/lcd4linux.conf.sample +++ b/lcd4linux.conf.sample @@ -1,6 +1,8 @@ Display Trefon { Driver 'TREFON' Size '16x2' + Backlight 1 + Icons 1 } |