/* Remote buttons */
void remote_int(void)
{
int state = 0x01 & ~GPIOD_INPUT_VAL;
GPIO_CLEAR_BITWISE(GPIOD_INT_EN, 0x01);
GPIO_WRITE_BITWISE(GPIOD_INT_LEV, state, 0x01);
if (state != 0)
{
/* necessary delay 1msec */
udelay(1000);
unsigned int val = adc_scan(ADC_REMOTE);
if (val > 750) int_btn = BUTTON_RC_MINUS;
else
if (val > 375) int_btn = BUTTON_RC_PLUS;
else
if (val > 100) int_btn = BUTTON_RC_REW;
else
int_btn = BUTTON_RC_FFWD;
}
else
int_btn = BUTTON_NONE;
GPIO_SET_BITWISE(GPIOD_INT_CLR, 0x01);
GPIO_SET_BITWISE(GPIOD_INT_EN, 0x01);
}
bool remote_button_hold(void)
{
/* On my remote hold gives readout of 44 */
if (remote_detect())
return adc_scan(ADC_REMOTE)<50?true:false;
else
return false;
}
static bool remote_detect(void)
{
/* When there is no remote adc readout
* is exactly 0. We add some margin
* for ADC readout instability
*/
return adc_scan(ADC_REMOTE)>10?true:false;
}
/*----------------------------------------------------------------------------*/
void timer0isr(void)
{
static xd_u8 counter0, counter1;
PSW = 0x08;
DPCON = 0x0;
T0CON &= ~BIT(7); //clear pending
#ifdef LCD_GPIO_DRV
seg_lcd_disp_scan();
#else
//disp_scan();
#endif
adc_scan();
counter0++;
usb_polling();
#ifdef JOG_STICK_FUNC
JogDetect();
#endif
if ((counter0 % 5) == 0) //10ms
{
dec_delay_counter();
//#if SDMMC_CMD_MODE
// sd_online_check();
//#if SDMMC_CLK_MODE
sdmmc_online_chk(1);
//#elif SDMMC_GPIO_MODE
//sdmmc_detect();
//#endif
keyScan();
}
// if ((counter0 % 50) == 0)
// {
// put_msg_fifo(MSG_100MS);
// }
if ((counter0 % 100) == 0)
{
ad_mod_sel_hdlr();
put_msg_fifo(MSG_200MS);
counter0 = 0;
}
counter1++;
if ((counter1 % 250) == 0)
{
put_msg_fifo(MSG_HALF_SECOND);
counter1 = 0;
}
#if 0//RTC_ENABLE
if (IRTCON & BIT(7))
{
alm_cnt = 1;
last_work_mode = work_mode;
put_msg_lifo(MSG_ALM_ON);
}
#endif
}
/*----------------------------------------------------------------------------*/
void timer0isr(void)
{
static u8 counter0, counter1;
PSW = 0x08;
DPCON = 0x0;
T0CON &= ~BIT(7); //clear pending
#ifndef NO_LED_DISPLAY
disp_scan();
#endif
adc_scan();
counter0++;
usb_polling();
disp_dled();
if ((counter0 % 5) == 0) //10ms
{
dec_delay_counter();
//#if SDMMC_CMD_MODE
// sd_online_check();
#if SDMMC_CLK_MODE
sdmmc_online_chk(1);
#elif SDMMC_GPIO_MODE
sdmmc_detect();
#endif
keyScan();
}
// if ((counter0 % 50) == 0)
// {
// put_msg_fifo(MSG_100MS);
// }
if ((counter0 % 100) == 0)
{
//aux_check();
//put_msg_fifo(MSG_200MS);
counter0 = 0;
}
counter1++;
if ((counter1 % 250) == 0)
{
put_msg_fifo(MSG_HALF_SECOND);
counter1 = 0;
}
#if RTC_ENABLE
if (IRTCON & BIT(7))
{
alm_cnt = 1;
last_work_mode = work_mode;
put_msg_lifo(MSG_ALM_ON);
}
#endif
}
/* Monitor remote hotswap */
static void remote_tick(void)
{
static bool last_status = false;
static int countdown = 0;
static int init_delay = 0;
bool current_status;
int val;
int level;
current_status = remote_detect();
/* Only report when the status has changed */
if (current_status != last_status)
{
last_status = current_status;
countdown = current_status ? 20*HZ : 1;
}
else
{
/* Count down until it gets negative */
if (countdown >= 0)
countdown--;
if (current_status)
{
if (!(countdown % 8))
{
/* Determine which type of remote it is */
level = disable_irq_save();
val = adc_scan(ADC_REMOTEDETECT);
restore_irq(level);
if (val < ADCVAL_H100_LCD_REMOTE_HOLD)
{
if (val < ADCVAL_H100_LCD_REMOTE)
if (val < ADCVAL_H300_LCD_REMOTE)
_remote_type = REMOTETYPE_H300_LCD; /* hold off */
else
_remote_type = REMOTETYPE_H100_LCD; /* hold off */
else
if (val < ADCVAL_H300_LCD_REMOTE_HOLD)
_remote_type = REMOTETYPE_H300_LCD; /* hold on */
else
_remote_type = REMOTETYPE_H100_LCD; /* hold on */
if (--init_delay <= 0)
{
queue_broadcast(SYS_REMOTE_PLUGGED, 0);
init_delay = 6;
}
}
else
{
_remote_type = REMOTETYPE_H300_NONLCD; /* hold on or off */
}
}
}
else
{
if (countdown == 0)
{
_remote_type = REMOTETYPE_UNPLUGGED;
queue_broadcast(SYS_REMOTE_UNPLUGGED, 0);
}
}
}
/* handle chip select timeout */
if (remote_cs_countdown >= 0)
remote_cs_countdown--;
if (remote_cs_countdown == 0)
CS_HI;
}
/*----------------------------------------------------------------------------*/
void timer1isr(void)
{
static u8 ms_cnt, counter;
_push_(DPCON);
_push_(DP1L);
_push_(DP1H);
DPCON = 0x0;
T1CON &= ~(BIT(7));
disp_scan();
#ifdef USE_USB_SD_DECODE_FUNC
udisk_disconnect_check();
usb_diskin_detect();
#endif
#ifdef JOG_STICK_FUNC
JogDetect();
#endif
counter++;
if (counter == 5)
{
counter = 0;
if(dac_cnt < 21){
dac_cnt++;
}
adc_scan();
#ifdef USE_LINE_IN_DETECT_FUNC
aux_check();
#endif
keyScan();
dec_delay_counter();
#ifdef USE_USB_SD_DECODE_FUNC
#ifndef NO_SD_DECODE_FUNC
#if SDMMC_CMD_MODE
sd_online_check();
#elif SDMMC_CLK_MODE
sdmmc_online_chk();
#elif SDMMC_GPIO_MODE
sdmmc_detect();
#endif
#endif
#endif
ms_cnt++;
#ifdef USE_CD_MCU_MASTER_FUNC
if(ms_cnt%10==0){
mcu_master_cmd_tick=1;
}
if(ms_cnt%6==0){
mcu_master_tranceive_tick=1;
}
#endif
if(ms_cnt%25==0){
if((work_mode == SYS_BLUE_TOOTH )||(work_mode == SYS_AUX)){
put_msg_fifo(INFO_250_MS);
}
}
if (ms_cnt == 50)
{
ms_cnt = 0;
put_msg_fifo(INFO_HALF_SECOND);
LDO_IN_Volt=ldoin_voltage();
#ifdef USE_RTC_ALARM_FUNCTION
check_alm();
#endif
#ifdef SYS_GPIO_SEL_FUNC
gpio_sel_func_mode();
#endif
#ifdef ADKEY_SELECT_MODE
ad_mod_sel_hdlr();
#endif
}
adc_start();
}
_pop_(DP1H);
_pop_(DP1L);
_pop_(DPCON);
}
int button_read_device(void)
{
int btn = BUTTON_NONE;
bool hold_button_old;
bool remote_hold_button_old;
static int prev_data = 0xff;
static int last_valid = 0xff;
int data;
/* normal buttons */
hold_button_old = hold_button;
hold_button = button_hold();
#ifndef BOOTLOADER
/* give BL notice if HB state chaged */
if (hold_button != hold_button_old)
backlight_hold_changed(hold_button);
#endif
if (button_scan_on && !hold_button)
{
data = adc_scan(ADC_BUTTONS);
/* ADC debouncing: Only accept new reading if it's
* stable (+/-1). Use latest stable value otherwise. */
if ((unsigned)(data - prev_data + 1) <= 2)
last_valid = data;
prev_data = data;
data = last_valid;
if (data < 0xf0)
{
if(data < 0x7c)
if(data < 0x42)
btn = BUTTON_LEFT;
else
if(data < 0x62)
btn = BUTTON_RIGHT;
else
btn = BUTTON_SELECT;
else
if(data < 0xb6)
if(data < 0x98)
btn = BUTTON_REC;
else
btn = BUTTON_PLAY;
else
if(data < 0xd3)
btn = BUTTON_DOWN;
else
btn = BUTTON_UP;
}
}
/* remote buttons */
data = remote_detect() ? adc_scan(ADC_REMOTE) : 0xff;
remote_hold_button_old = remote_hold_button;
remote_hold_button = data < 0x17;
#ifndef BOOTLOADER
if (remote_hold_button != remote_hold_button_old)
remote_backlight_hold_changed(remote_hold_button);
#endif
if (!remote_hold_button)
{
if (data < 0xee)
{
if(data < 0x7a)
if(data < 0x41)
btn |= BUTTON_RC_FF;
else
if(data < 0x61)
btn |= BUTTON_RC_REW;
else
btn |= BUTTON_RC_MODE;
else
if(data < 0xb4)
if(data < 0x96)
btn |= BUTTON_RC_REC;
else
btn |= BUTTON_RC_MENU;
else
if(data < 0xd1)
btn |= BUTTON_RC_VOL_UP;
else
btn |= BUTTON_RC_VOL_DOWN;
}
}
data = GPIO_READ;
/* hold and power are mutually exclusive */
if (!(data & 0x04000000))
btn |= BUTTON_POWER;
/* remote play button should be dead if hold */
if (!remote_hold_button && !(data & 0x02000000))
btn |= BUTTON_RC_PLAY;
return btn;
}
/*
* Get button pressed from hardware
*/
int button_read_device(void)
{
int btn = BUTTON_NONE;
int data = 0;
static bool hold_button = false;
bool remote_hold_button = false;
bool hold_button_old;
bool remote_present;
/* check if we have remote connected */
remote_present = remote_detect();
/* read hold buttons status */
hold_button_old = hold_button;
hold_button = button_hold();
remote_hold_button = remote_button_hold();
#ifndef BOOTLOADER
/* Only main hold affects backlight */
if (hold_button != hold_button_old)
backlight_hold_changed(hold_button);
#endif
/* Skip if main hold is active */
if (!hold_button)
{
data = adc_scan(ADC_BUTTONS);
if (data < 2300) /* valid button */
{
if (data < 900) /* middle */
{
if (data < 500)
{
if (data > 200)
/* 200 - 500 */
btn = BUTTON_REC;
}
else /* 900 - 500 */
btn = BUTTON_VOL_DOWN;
}
else /* 2250 - 900 */
{
if (data < 1600)
{
/* 1600 - 900 */
if (data < 1200)
/* 1200 - 900 */
btn = BUTTON_VOL_UP;
else /* 1600 - 1200 */
btn = BUTTON_FF;
}
else /* 1600 - 2250 */
{
if (data < 1900)
/* 1900 - 1600 */
btn = BUTTON_REW;
else /* 1900 - 2300 */
btn = BUTTON_FUNC;
}
}
}
}
/* Skip if remote is not present or remote_hold is active */
if (remote_present && !remote_hold_button)
{
data = adc_scan(ADC_REMOTE);
if (data < 2050) /* valid button */
{
if (data < 950) /* middle */
{
if (data < 650)
{
if (data < 400)
{
if (data > 250)
/* 250 - 400 */
btn = BUTTON_RC_VOL_DOWN;
}
else /* 650 - 400 */
btn = BUTTON_RC_VOL_UP;
}
else /* 950 - 650 */
btn = BUTTON_RC_FF;
}
else /* 2050 - 950 */
{
if (data < 1900)
{
if (data < 1350)
/* 1350 - 900 */
btn = BUTTON_RC_REW;
}
else /* 2050 - 1900 */
btn = BUTTON_RC_FUNC;
}
}
}
/* PLAY buttons (both remote and main) are
* GPIOs not ADC
*/
data = GPIO1_READ;
/* GPIO56 active high main PLAY/PAUSE/ON */
if (!hold_button && ((data & (1<<24))))
btn |= BUTTON_PLAY;
/* GPIO41 active high remote PLAY/PAUSE/ON */
if (remote_present && !remote_hold_button && ((data & (1<<9))))
btn |= BUTTON_RC_PLAY;
return btn;
}