hdrv_hardinit.msa

MP3 整个 SDK

/*
********************************************************************************
*                       ACTOS
*                  driver demo
*
*                (c) Copyright 2002-2003, Actions Co,Ld.
*                        All Right Reserved
*
* File   : Hdrv_HardInit.msa
* By     :
* Version: 1> v1.00     first version     date
********************************************************************************
*/

#include "display.h"
#include "Drv_S6B33B0A.h"
#include "Hdrv_S6B33B0A.h"

        module  Hdrv_HardInit

        public Hdrv_HardInit
        public LCD_Init
        public LCD_Set

        //extern Hdrv_SetCont
        extern Write_Command
        extern Write_Parameter
        extern Delay_10us
        extern StoreCE
        extern ReStoreCE
        extern Write_Display_Ram
        extern Store_R0
        rseg   BBD_IE

////*******************************************************************************/
///*    void sUI_HardInit(void);
//** FUNCTION:     Hdrv_HardInit
//**
//** Description:  初始化LCM的硬件设备
//**
//**  input
//**     none
//**
//**  output
//**     none
//********************************************************************************/
Hdrv_HardInit:

        call StoreCE
        call LCD_Init
        call LCD_Set
        call ClearFrametest
        call ReStoreCE
        ret
//********************************************************************************/


/************************************************************/
/*  function:LCD_Init                                       */
/*  input                output                             */
/*  process: 1,switch LCD mode; 2,reset sensor              */
/************************************************************/
ClearFrametest:
    push    bc
    push    hl
    push    de
    call    Write_Display_Ram
    ld    bc,0xa000
    ld    hl,0x8000
    ld    de,0x0000
ClearFrame_start:
    ld    a,d
    ld    (hl),a
    ld    a,e
    ld    (hl),a
    dec    bc
    ld    a,b
    or    c
    jr    nz,ClearFrame_start

    //ld c, 0afh
    //call Write_Command                //display on
    pop    de
    pop    hl
    pop    bc
    ret


LCD_Init:
        push af
    in a,(0eeh)
    and 0x1f
        out (0eeh),a

        in      a,(LCMRST_GIO_EN_REG)   //set (Oled_RST) to Output Port.
        or      LCMRST_SET_BIT
        out     (LCMRST_GIO_EN_REG),a

        in      a,(LCMA0_GIO_EN_REG)   //set (Oled_A0) to Output Port.
        or      LCMA0_SET_BIT
        out     (LCMA0_GIO_EN_REG),a
        
        in      a,(LCMCE_GIO_EN_REG)            //G0 as CE-4
        or      LCMCE_SET_BIT 
        out     (LCMCE_GIO_EN_REG),a

        //disable backlight
        in     a, (LCMBL_GIO_DATA_REG)
        and    LCMBL_CLR_BIT
        out     (LCMBL_GIO_DATA_REG),a
        
        in      a,(LCMA0_GIO_DATA_REG)   //set (Oled_A0) to 1
        or      LCMA0_SET_BIT
        out     (LCMA0_GIO_DATA_REG),a
        
        in      a,(LCMRST_GIO_DATA_REG)   //set (Oled_RST) to 1
        or      LCMRST_SET_BIT
        out     (LCMRST_GIO_DATA_REG),a        
        
        ld a,15
        call Delay_ams
        
        in      a,(LCMRST_GIO_DATA_REG)   //set GPIO_d5(Oled_RST) to 0
        and      LCMRST_CLR_BIT
        out     (LCMRST_GIO_DATA_REG),a
        
        ld a,2                //gpio_d5 act as RESET for 2ms
        call Delay_ams
        
        in      a,(LCMRST_GIO_DATA_REG)   //set GPIO_d5(Oled_RST) to 1
        or      LCMRST_SET_BIT
        out     (LCMRST_GIO_DATA_REG),a
        
        ld a,15
        call Delay_ams

        pop af
        ret
/************************************************************/
/*  function:LCD_Set                                        */
/*  input:               output:                            */
/*  process:  1,stable the power 2,start-up on-chip DC-DC   */
/************************************************************/

LCD_Set:   
        push af
        push bc
//Display Control Setting    
        ld c, 01h
        call Write_Command                              
        ld c, 02h
        call Write_Parameter

        ld c, 02h
        call Write_Command                              
        ld c, 92h
        call Write_Parameter

        ld c, 03h
        call Write_Command                              
        ld c, 00h
        call Write_Parameter
        
        ld c, 04h
        call Write_Command                              
        ld c, 10h
        call Write_Parameter       
        
        ld c, 05h
        call Write_Command                              
        ld c, 08h
        call Write_Parameter      
        
        ld c, 07h
        call Write_Command                              
        ld c, 7fh
        call Write_Parameter        
        
        ld c, 08h
        call Write_Command                              
        ld c, 17h
        call Write_Parameter     
        
        ld c, 09h
        call Write_Command                              
        ld c, 00h
        call Write_Parameter        
        
        ld c, 10h
        call Write_Command                              
        ld c, 00h
        call Write_Parameter       
        
        ld c, 11h
        call Write_Command                              
        ld c, 7fh
        call Write_Parameter       
        
        ld c, 12h
        call Write_Command                              
        ld c, 9fh
        call Write_Parameter      
        
        ld c, 17h
        call Write_Command                              
        ld c, 00h
        call Write_Parameter      
        
        ld c, 18h
        call Write_Command                              
        ld c, 00h
        call Write_Parameter      
        
        ld c, 19h
        call Write_Command                              
        ld c, 00h
        call Write_Parameter      
        
        ld c, 06h
        call Write_Command                              
        ld c, 0c5h
        call Write_Parameter      

        ld a,10            //Stable
        call Delay_ams  
        pop bc
        pop af
        
        ret  



/*********************************************/
Delay:
    push bc
    ld b, 200   
delay_loop:
    nop
    nop
    nop
    djnz delay_loop
    pop bc
    ret
    
    
Delay_1ms:
    push af
    push bc
    push de
    push hl

    ld b,04h
contiune_delay213:
    push bc  
    ld b,0ffh
contiune_delay31:
    ld hl,4567h             
    djnz contiune_delay31   
    pop bc
    djnz contiune_delay213  

    pop hl
    pop de
    pop bc
    pop af
           
    RET


Delay_ams://0~254ms delay
    push af
    push bc
    push de
    push hl

    ld  b,a
    jr Delay_ams_while
Delay_ams_continue:
    push  bc
    call  Delay_1ms
    pop   bc
Delay_ams_while:       
    djnz  Delay_ams_continue

    pop hl
    pop de
    pop bc
    pop af
                 
    RET
    
    
    end