hm60x/hm801: Add hold button support.

Change-Id: I05557ecfbf0bd821d8966862a38f7f22656b36ef
This commit is contained in:
Andrew Ryabinin 2012-12-29 00:19:23 +04:00
parent 362ade3892
commit 97250a0156
4 changed files with 55 additions and 1 deletions

View file

@ -23,15 +23,40 @@
#include "system.h"
#include "button.h"
#include "adc.h"
#include "backlight.h"
void button_init_device(void) {
/* setup button gpio as input */
GPIO_PCCON &= ~(POWEROFF_BUTTON);
GPIO_PACON &= ~(1);
/* setup button gpio as pulldown */
SCU_GPIOUPCON |= (1<<17) |
1 ;
}
bool button_hold() {
return (GPIO_PADR & 1);
}
int button_read_device(void) {
int adc_val = adc_read(ADC_BUTTONS);
int gpio_btn = GPIO_PCDR & BUTTON_POWER;
static bool hold_button = false;
bool hold_button_old;
hold_button_old = hold_button;
hold_button = button_hold();
#ifndef BOOTLOADER
if (hold_button != hold_button_old) {
backlight_hold_changed(hold_button);
}
#endif
if (hold_button) {
return 0;
}
if (adc_val < 380) { /* 0 - 379 */
if (adc_val < 250) { /* 0 - 249 */