yan/archived-lcd4linux
1
0
Fork 0
mirror of https://github.com/netfun2000/lcd4linux.git synced 2026-02-27 09:44:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

Enables/controls the backlight on the Pertelian LCD device by Jonathan Hudson

Browse Source 
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@908 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
This commit is contained in:
michael
2008-12-24 08:28:24 +00:00
parent 91348c5ece
commit 16d014e412
1 changed files with 13 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drv_Pertelian.c
+13 -10
View File
@@ -80,6 +80,7 @@ static int drv_Pertelian_close(void)
return 0;
}
static void drv_Pertelian_send(const char *data, const unsigned int len)
{
unsigned int i;
@@ -89,12 +90,11 @@ static void drv_Pertelian_send(const char *data, const unsigned int len)
for (i = 0; i < len; i++) {
drv_generic_serial_write(&data[i], 1);
usleep(1);
usleep(100);
}
}
/* text mode displays only */
static void drv_Pertelian_clear(void)
{
char cmd[2];
@@ -105,7 +105,6 @@ static void drv_Pertelian_clear(void)
}
/* text mode displays only */
static void drv_Pertelian_write(const int row, const int col, const char *data, int len)
{
char cmd[3];
@@ -116,7 +115,7 @@ static void drv_Pertelian_write(const int row, const int col, const char *data,
drv_Pertelian_send(data, len);
}
/* text mode displays only */
static void drv_Pertelian_defchar(const int ascii, const unsigned char *matrix)
{
char cmd[11] = "";
@@ -130,6 +129,7 @@ static void drv_Pertelian_defchar(const int ascii, const unsigned char *matrix)
drv_Pertelian_send(cmd, 10);
}
static int drv_Pertelian_backlight(int backlight)
{
char cmd[2];
@@ -148,7 +148,6 @@ static int drv_Pertelian_backlight(int backlight)
}
/* start text mode display */
static int drv_Pertelian_start(const char *section)
{
int backlight;
@@ -193,7 +192,6 @@ static int drv_Pertelian_start(const char *section)
}
drv_Pertelian_clear(); /* clear display */
return 0;
}
@@ -202,6 +200,12 @@ static int drv_Pertelian_start(const char *section)
/*** plugins ***/
/****************************************/
static void plugin_backlight(RESULT * result, RESULT * arg1)
{
double backlight = 0;
backlight = drv_Pertelian_backlight(R2N(arg1));
SetResult(&result, R_NUMBER, &backlight);
}
/****************************************/
/*** widget callbacks ***/
@@ -228,7 +232,6 @@ int drv_Pertelian_list(void)
/* initialize driver & display */
/* use this function for a text display */
int drv_Pertelian_init(const char *section, const int quiet)
{
WIDGET_CLASS wc;
@@ -291,13 +294,11 @@ int drv_Pertelian_init(const char *section, const int quiet)
wc = Widget_Bar;
wc.draw = drv_generic_text_bar_draw;
widget_register(&wc);
AddFunction("LCD::backlight", 1, plugin_backlight);
return 0;
}
/* close driver & display */
int drv_Pertelian_quit(const int quiet)
{
@@ -314,12 +315,14 @@ int drv_Pertelian_quit(const int quiet)
drv_generic_text_greet("goodbye!", NULL);
}
drv_Pertelian_backlight(0);
debug("closing connection");
drv_Pertelian_close();
return (0);
}
DRIVER drv_Pertelian = {
.name = Name,
.list = drv_Pertelian_list,