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m:robe 500i port: Add backlight support to the main build.

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@15404 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Catalin Patulea 2007-11-02 06:13:43 +00:00
parent 38548c7118
commit f57ea9acd7
3 changed files with 25 additions and 16 deletions
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17
bootloader/mrobe500.c
View file

@ -98,8 +98,8 @@ void touchpad_calibrate_screen(void)
set_calibration_points(&tl, &br);
}
#endif
static const uint8_t bl_low [] = {0xa4, 0x00, 0x55, 0xbb};
static const uint8_t bl_high[] = {0xa4, 0x00, 0x19, 0xbb};
static uint8_t bl_command[] = {0xa4, 0x00, 0x00, 0xbb};
int brightness = 0;
void mrdebug(void)
{
@ -130,10 +130,15 @@ void mrdebug(void)
address+=0x1000;
else if (button==BUTTON_RC_REW)
address-=0x1000;
else if (button==BUTTON_RC_VOL_DOWN)
spi_block_transfer(SPI_target_BACKLIGHT, bl_low, 4, 0, 0);
else if (button==BUTTON_RC_VOL_UP)
spi_block_transfer(SPI_target_BACKLIGHT, bl_high, 4, 0, 0);
else if (button==BUTTON_RC_VOL_DOWN) {
brightness = (brightness - 5) & 0x7f;
bl_command[2] = brightness;
spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
} else if (button==BUTTON_RC_VOL_UP) {
brightness = (brightness + 5) & 0x7f;
bl_command[2] = brightness;
spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
}
// {
// short x,y,z1,z2;
// tsc2100_read_values(&x, &y, &z1, &z2);

13
firmware/export/config-mrobe500.h
View file

@ -92,11 +92,10 @@
#define HAVE_BACKLIGHT_BRIGHTNESS
/* Main LCD backlight brightness range and defaults */
#define MIN_BRIGHTNESS_SETTING 0 /* 0.5 mA */
#define MAX_DIM_BRIGHTNESS_SETTING 15 /* highest 'dimness' */
#define MAX_BRIGHTNESS_SETTING 63 /* 32 mA */
#define DEFAULT_BRIGHTNESS_SETTING 39 /* 20 mA */
#define DEFAULT_DIMNESS_SETTING 9 /* 5 mA */
#define MIN_BRIGHTNESS_SETTING 0
#define MAX_BRIGHTNESS_SETTING 127
#define DEFAULT_BRIGHTNESS_SETTING 85 /* OF "full brightness" */
#define DEFAULT_DIMNESS_SETTING 22 /* OF "most dim" */
/* Define this if you have a software controlled poweroff */
#define HAVE_SW_POWEROFF
@ -104,9 +103,7 @@
/* The number of bytes reserved for loadable codecs */
#define CODEC_SIZE 0x80000
/* The number of bytes reserved for loadable plugins
* - larger than other targets due to screen size
*/
/* The number of bytes reserved for loadable plugins */
#define PLUGIN_BUFFER_SIZE 0x100000
/* Define this if you have the WM8975 audio codec */

11
firmware/target/arm/tms320dm320/mrobe-500/backlight-mr500.c
View file

@ -24,27 +24,34 @@
#include "backlight.h"
#include "lcd.h"
#include "power.h"
#include "spi-target.h"
void __backlight_on(void)
{
__backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
}
void __backlight_off(void)
{
__backlight_set_brightness(0);
}
/* Assumes that the backlight has been initialized */
void __backlight_set_brightness(int brightness)
{
(void) brightness;
uint8_t bl_command[] = {0xa4, 0x00, brightness, 0xbb};
spi_block_transfer(SPI_target_BACKLIGHT, bl_command, 4, 0, 0);
}
void __backlight_dim(bool dim_now)
{
(void) dim_now;
__backlight_set_brightness(dim_now ?
DEFAULT_BRIGHTNESS_SETTING :
DEFAULT_DIMNESS_SETTING);
}
bool __backlight_init(void)
{
__backlight_set_brightness(DEFAULT_BRIGHTNESS_SETTING);
return true;
}