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Onda VX747: fix touchscreen issues when switching from bootloader to 'normal' Rockbox

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20754 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-04-20 18:28:51 +00:00
parent 0eb5dc649f
commit be8a27ad81
3 changed files with 31 additions and 18 deletions
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3
bootloader/ondavx747.c
View file

@ -31,6 +31,7 @@
#include "storage.h"
#include "disk.h"
#include "string.h"
#include "adc.h"
static void show_splash(int timeout, const char *msg)
{
@ -101,6 +102,7 @@ int main(void)
font_init();
lcd_setfont(FONT_SYSFIXED);
button_init();
adc_init();
storage_init();
reset_screen();
@ -142,6 +144,7 @@ int main(void)
if (rc == EOK)
{
printf("Starting Rockbox...");
adc_close(); /* Disable SADC */
disable_interrupt();
kernel_entry = (void*) CONFIG_SDRAM_START;
kernel_entry();

2
firmware/export/config-ondavx747.h
View file

@ -123,6 +123,8 @@
#define CONFIG_I2C I2C_JZ47XX
#define NEED_ADC_CLOSE 1
/* has no tone controls, so we use the software ones */
//#define HAVE_SW_TONE_CONTROLS

44
firmware/target/mips/ingenic_jz47xx/onda_vx747/sadc-onda_vx747.c
View file

@ -123,22 +123,7 @@ unsigned int battery_adc_voltage(void)
}
void button_init_device(void)
{
__cpm_start_sadc();
REG_SADC_ENA = 0;
REG_SADC_STATE &= ~REG_SADC_STATE;
REG_SADC_CTRL = 0x1F;
REG_SADC_CFG = SADC_CFG_INIT;
system_enable_irq(IRQ_SADC);
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_ENA = SADC_ENA_TSEN;
{
#ifdef ONDA_VX747
__gpio_as_input(32*3 + 29);
__gpio_as_input(32*3 + 27);
@ -152,8 +137,6 @@ void button_init_device(void)
__gpio_as_input(32*3 + 19);
__gpio_as_input(32*2 + 22);
#endif
mutex_init(&battery_mtx);
}
bool button_hold(void)
@ -282,4 +265,29 @@ void SADC(void)
void adc_init(void)
{
__cpm_start_sadc();
REG_SADC_ENA = 0;
REG_SADC_STATE &= (~REG_SADC_STATE);
REG_SADC_CTRL = 0x1f;
REG_SADC_CFG = SADC_CFG_INIT;
system_enable_irq(IRQ_SADC);
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_ENA = SADC_ENA_TSEN;
mutex_init(&battery_mtx);
}
void adc_close(void)
{
REG_SADC_ENA = 0;
__intc_mask_irq(IRQ_SADC);
sleep(20);
__cpm_stop_sadc();
}