source: svn/newcon3bcm2_21bu/dst/dhl/src/DHL_SYS_Impl.h

/*

        DHL_SYS_Impl.h

*/





#ifndef __DHL_SYS_IMPL_H__

#define __DHL_SYS_IMPL_H__



#include "DHL_Types.h"

#include "DHL_SYS.h"





//------------------------------------------

//  GPIO list. 

//

/*

        00: shared with UART RX

        01: shared with UART TX



        03: LED green. (cannot control RED color)

        

        04: channel down button

        05: channel up button

        

        //06: menu button

        //07: select button



        08: audio mute (dst own)

        

        11: ch 3/4 switch select



        29: loop-through or ch 3/4 out

        30: flash write protect (active low)

        

        14~25: used as boot strap pins.



        note:

                power button is directly connected to Wake-up module.

                LED control





BKTODO: DHL_SYS_Config.h ÀÇ Á¤ÀÇ¿Í ±¸ºÐÇؼ­ Çϳª¸¸ »ç¿ëÇÒ °Í.

*/



#define GPIO_LED_GREEN          9

#define GPIO_LED_RED                    4

#define GPIO_CH_DN                      5

#define GPIO_CH_UP                      6

#define GPIO_AUDIO_MUTE         118  /* 0: mute audio. 1: unmute.  default is mute by pull down. */

#define GPIO_CH34_SW_IN   11  /* 0: ch3, 1: ch4  ==> BKTODO: NVMÀ¸·Î ¿Å±è (¸Þ´º¿¡¼­ »ç¿ëÀÚ ÀÔ·ÂÀ» ÀúÀåÇؼ­ ó¸®ÇÔ)*/

#define GPIO_PATH_CONTROL 29  /* 0: loop-through, 1: CH 3/4. default is pull-down.  BKTODO: */

#define GPIO_FLASH_WP  30  /* flash write protect. default is pull-down. */





//------------------------------------------

//  GPIO config flags..



// I/O direction

#define DHL_GPIO_OUTPUT  0x0

#define DHL_GPIO_INPUT   0x1

#define DHL_GPIO_IO_MASK 0x1



// interrupt. if not set, interrupt is disabled.

#define DHL_GPIO_RISING_EDGE 0x10

#define DHL_GPIO_FALLING_EDGE 0x20

#define DHL_GPIO_BOTH_EDGE 0x30

#define DHL_GPIO_EDGE_MASK 0x30







//------------------------------------------

//  callback type and it's state param



#define eDHL_SYS_CB_POWER (eDHL_SYS_CB_BUTTON+33) // 33 is beyond gpio number. it is safe.

        // state:

        //  no meaning. it notifies that power button is just pressed.

        

#define eDHL_SYS_CB_CHUP  (eDHL_SYS_CB_BUTTON+GPIO_CH_UP)

#define eDHL_SYS_CB_CHDN  (eDHL_SYS_CB_BUTTON+GPIO_CH_DN)

        // state: 

        // 0: it is first key.

        // 1: it is repeat key.



#define eDHL_SYS_CB_RFM   (eDHL_SYS_CB_SWITCH+0)

        // state: 

        // value of gpio GPIO_CH34_SW_IN







//------------------------------------------



#define DHL_BOOTCMD_MAGIC  0xB64925DA



#define DHL_BOOTCMD_DOWNLOAD  0x1

        // parameter: none

        // meaning: go into download mode



#define DHL_BOOTCMD_FUPDATE 0x2

        // parameter: none

        // meaning: go into flash update mode





//------------------------------------------





//void dhl_sys_gpio_config(UINT32 num, UINT32 flag, int value);



int dhl_sys_gpio_rw(UINT32 num, int bData, BOOL bWrite);



//void dhl_sys_set_red_led(int bOn);



int dhl_sys_read_power_btn(void);





void dhl_sys_reset(int boot_cmd);



void dhl_sys_standby(void);





UINT32 dhl_sys_get_clock_freq(int type);



UINT32 dhl_sys_get_cpu_tick(void);



UINT32 dhl_sys_cpu_ticks_per_ms(void);



#define dhl_sys_cpu_tick_gap_ms(tick_new, tick_old) \

        (((tick_new) - (tick_old)) / dhl_sys_cpu_ticks_per_ms())





// cafrii comment!

// this api should be used with care!!

UINT32 dhl_sys_get_ms_tick(void);





void dhl_sys_config_vdac(BOOL bEnable);



void dhl_sys_enable_watchdog(BOOL bEnable, UINT32 period);



void dhl_sys_register_callback(void (*cb)(int type, UINT32, UINT32), UINT32 userparam);

void dhl_sys_notify_callback(int type, UINT32 state);



void dhl_sys_init(void);





#endif /* __DHL_SYS_IMPL_H__ */