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authormichael <michael@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>2008-12-24 08:28:24 +0000
committermichael <michael@3ae390bd-cb1e-0410-b409-cd5a39f66f1f>2008-12-24 08:28:24 +0000
commit16d014e412692d4479c6e091c11335a07f193e76 (patch)
tree8b6ce64c4e82d64cb83f65dce16872c151d1b2fd
parent91348c5ecee2d7b22b2cb8d0af5a41d309efab91 (diff)
downloadlcd4linux-16d014e412692d4479c6e091c11335a07f193e76.tar.gz
Enables/controls the backlight on the Pertelian LCD device by Jonathan Hudson
git-svn-id: https://ssl.bulix.org/svn/lcd4linux/trunk@908 3ae390bd-cb1e-0410-b409-cd5a39f66f1f
Diffstat (limited to '')
-rw-r--r--drv_Pertelian.c23
1 files changed, 13 insertions, 10 deletions
diff --git a/drv_Pertelian.c b/drv_Pertelian.c
index 30df5bd..367e93c 100644
--- a/drv_Pertelian.c
+++ b/drv_Pertelian.c
@@ -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,