Onda VX747:

 * Fix warnings
 * Add fake battery level information to make sure Rockbox doesn't shutdown
 * Enable switching between touch modes by pressing (VOL_DOWN|VOL_UP)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20269 a1c6a512-1295-4272-9138-f99709370657

3 files changed, 22 insertions, 29 deletions

diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c
index eec48768b2..72e469977b 100644
--- a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c
+++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-onda_vx7X7.c
@@ -27,12 +27,11 @@
 #define BACKLIGHT_GPIO  (32*3+31)
 #define BACKLIGHT_PWM   7
 
+/* TODO: use HW PWM */
 #define SW_PWM 1
-
 #if SW_PWM
 
 static bool backlight_on;
-
 static void set_backlight(int val)
 {
     (void)val;
@@ -48,20 +47,19 @@ bool _backlight_init(void)
     return true;
 }
 
-bool backlight_enabled(void)
-{
-    return backlight_on;
-}
-
 void _backlight_on(void)
 {
-    __gpio_set_pin(BACKLIGHT_GPIO);
+    if(!backlight_on)
+        __gpio_set_pin(BACKLIGHT_GPIO);
+    
     backlight_on = true;
 }
 
 void _backlight_off(void)
 {
-    __gpio_clear_pin(BACKLIGHT_GPIO);
+    if(backlight_on)
+        __gpio_clear_pin(BACKLIGHT_GPIO);
+    
     backlight_on = false;
 }
 
@@ -131,11 +129,6 @@ bool _backlight_init(void)
     return true;
 }
 
-bool backlight_enabled(void)
-{
-    return old_val > -1 ? true : false;
-}
-
 void _backlight_on(void)
 {
     set_backlight_on();
diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-target.h b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-target.h
index c6647fa9da..4170f96cc0 100644
--- a/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-target.h
+++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/backlight-target.h
@@ -29,12 +29,9 @@
 
 #include <stdbool.h>
 
-/*
 bool _backlight_init(void);
 void _backlight_on(void);
 void _backlight_off(void);
 void _backlight_set_brightness(int brightness);
-bool backlight_enabled(void);
-*/
 
 #endif /* BACKLIGHT_TARGET_H */
diff --git a/firmware/target/mips/ingenic_jz47xx/onda_vx747/sadc-onda_vx747.c b/firmware/target/mips/ingenic_jz47xx/onda_vx747/sadc-onda_vx747.c
index 3dce73b05e..c9c264e26a 100644
--- a/firmware/target/mips/ingenic_jz47xx/onda_vx747/sadc-onda_vx747.c
+++ b/firmware/target/mips/ingenic_jz47xx/onda_vx747/sadc-onda_vx747.c
@@ -71,36 +71,36 @@ static struct mutex battery_mtx;
 const unsigned short battery_level_dangerous[BATTERY_TYPES_COUNT] =
 {
     /* TODO */
-    1400
+    1000
 };
 
 const unsigned short battery_level_shutoff[BATTERY_TYPES_COUNT] =
 {
     /* TODO */
-    1300
+    900
 };
 
 /* voltages (millivolt) of 0%, 10%, ... 100% when charging disabled */
 const unsigned short percent_to_volt_discharge[BATTERY_TYPES_COUNT][11] =
 {
     /* TODO */
-    { 1300, 3680, 3740, 3760, 3780, 3810, 3870, 3930, 3970, 4070, 4160 },
+    { 1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000 },
 };
 
 /* voltages (millivolt) of 0%, 10%, ... 100% when charging enabled */
 const unsigned short percent_to_volt_charge[11] =
 {
     /* TODO */
-    3300, 3680, 3740, 3760, 3780, 3810, 3870, 3930, 3970, 4070, 4160
+    1000, 1100, 1200, 1300, 1400, 1500, 1600, 1700, 1800, 1900, 2000
 };
 
 /* VBAT = (BDATA/4096) * 7.5V */
-#define BATTERY_SCALE_FACTOR 7500
+#define BATTERY_SCALE_FACTOR 1875
 
 /* Returns battery voltage from ADC [millivolts] */
 unsigned int battery_adc_voltage(void)
 {
-    unsigned int dummy, timeout=1000;
+    unsigned int dummy, timeout=HZ/4;
     
     mutex_lock(&battery_mtx);
     
@@ -114,18 +114,18 @@ unsigned int battery_adc_voltage(void)
     while(bat_val == 0 && timeout--)
         sleep(0);
     
-    logf("%d %d", bat_val, (bat_val*BATTERY_SCALE_FACTOR)>>12);
+    logf("%d %d", bat_val, (bat_val*BATTERY_SCALE_FACTOR)>>10);
     
     mutex_unlock(&battery_mtx);
     
-    return (bat_val*BATTERY_SCALE_FACTOR)>>12;
+    return (bat_val*BATTERY_SCALE_FACTOR)>>10;
 }
 
 void button_init_device(void)
 {
     __cpm_start_sadc();
     REG_SADC_ENA = 0;
-    REG_SADC_STATE &= (~REG_SADC_STATE);
+    REG_SADC_STATE &= ~REG_SADC_STATE;
     REG_SADC_CTRL = 0x1F;
     
     REG_SADC_CFG = SADC_CFG_INIT;
@@ -134,8 +134,8 @@ void button_init_device(void)
     
     REG_SADC_SAMETIME = 10;
     REG_SADC_WAITTIME = 100;
-    REG_SADC_STATE &= (~REG_SADC_STATE);
-    REG_SADC_CTRL = (~(SADC_CTRL_PENDM | SADC_CTRL_PENUM | SADC_CTRL_TSRDYM | SADC_CTRL_PBATRDYM));
+    REG_SADC_STATE &= ~REG_SADC_STATE;
+    REG_SADC_CTRL = ~(SADC_CTRL_PENDM | SADC_CTRL_PENUM | SADC_CTRL_TSRDYM | SADC_CTRL_PBATRDYM);
     REG_SADC_ENA = SADC_ENA_TSEN;
     
 #ifdef ONDA_VX747
@@ -192,6 +192,9 @@ int button_read_device(int *data)
         if( UNLIKELY(!is_backlight_on(true)) )
             *data = 0;
     }
+    
+    if(ret & (BUTTON_VOL_DOWN|BUTTON_VOL_UP))
+        touchscreen_set_mode( touchscreen_get_mode() == TOUCHSCREEN_BUTTON ? TOUCHSCREEN_POINT : TOUCHSCREEN_BUTTON);
 
     return ret;
 }
@@ -205,7 +208,7 @@ void SADC(void)
     sadcstate = REG_SADC_STATE;
     state = REG_SADC_STATE & (~REG_SADC_CTRL);
     REG_SADC_STATE &= sadcstate;
-            
+    
     if(state & SADC_CTRL_PENDM)
     {
         /* Pen down IRQ */