📄 lcd_phya_ssd1332.msa
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/*************************************************************/
/* OLED Driver Programm For ATCUC */
/* Write by Lowell 2005-7-1 */
/*说明：1.Sensor 选用OV9640 1.3mega Pixel */
/* 2.LCD 选用lancer NLMG-128EC1-CUW3G */
/* 3.Sdram 可选用Micron hynix samsung 64M 128M 256Mbit */
/*************************************************************/
//*--------set b9 register to adjust the sdram speed---------------*/
public LCM_BuffDataTrans
public LCM_FillBuffer
public LCM_Write_Pixel
public LCM_Fill_Area
public LCM_Read_Pixel
public LCM_Read_Area
public LCM_GPIOInit
public LCM_Enable
public LCM_Disable
public LCM_Write_Command
public LCM_Para_Write_Command
public Delay_10us
public LCD_P0_BitFill
#include "LCD_PHY_SSD1332.H"
rseg LCM_RCODE
LCM_Enable:
push af
in a,(02h)
ld ( lwrd REG02HSAVED),a
ld a,10h
out (02h),a //enable CE2#
pop af
ret
LCM_Disable:
push af
ld a,( lwrd REG02HSAVED)
out (02h),a //disable CE2#
pop af
ret
LCM_GPIO_Enable:
push af
in a, ( GPIO_G_Out_Enable_Port)
or 08h
out (GPIO_G_Out_Enable_Port),a // enable gpiok5,6 output
in a, (GPIO_D_Out_Enable_Port)
or 10h
out (GPIO_D_Out_Enable_Port), a
pop af
ret
LCM_RS_Reset:
push af
in a, (GPIO_G_Data_Port)
and 0f7h
out (GPIO_G_Data_Port),a
pop af
ret
LCM_RS_Set:
push af
in a, (GPIO_G_Data_Port)
or 08h
out (GPIO_G_Data_Port),a
pop af
ret
LCM_RST_Reset:
push af
in a, (GPIO_D_Data_Port)
and 0efh
out (GPIO_D_Data_Port), a
pop af
ret
LCM_RST_Set:
push af
in a, (GPIO_D_Data_Port)
or 10h
out (GPIO_D_Data_Port),a
pop af
ret
LCM_GPIOInit:
push af
ld a,80h
out (0eeh),a
call lwrd LCM_GPIO_Enable
call lwrd LCM_RS_Reset
call lwrd Delay_10us
call lwrd LCM_RST_Reset
call lwrd Delay_10us
call lwrd Delay_10us
call lwrd LCM_RST_Set
pop af
ret
LCM_Write_Command:
push af
push bc
push hl
call lwrd LCM_Enable
call lwrd LCM_RS_Reset
ld a,e
ld (8000h),a
call lwrd LCM_Disable
pop hl
pop bc
pop af
ret
LCM_Para_Write_Command:
push ix
ld ix,00h
add ix,sp
push af
push hl
call lwrd LCM_Enable
call lwrd LCM_RS_Reset
ld a,E
ld (8000h),a
ld a,c
ld b,a
LCM_Para_Write_Command_Loop:
ld a,(ix+4)
ld (8000h),a
inc ix
inc ix
djnz LCM_Para_Write_Command_Loop
call lwrd LCM_Disable
pop hl
pop af
pop ix
ret
/************************************************************/
/* function:LCM_Write_GDDRAM */
/* input: put display data to register d */
/* process 1,select RS; 2,access to LCD memory */
/************************************************************/
LCM_Write_Pixel:
push af
call lwrd LCM_Enable
call lwrd LCM_RS_Set
ld a,d
ld (8000h),a
ld a,e
ld (8000h),a
call lwrd LCM_Disable
call lwrd LCM_RS_Reset
pop af
ret
LCM_Fill_Area:
push af
push hl
call lwrd LCM_Enable
call lwrd LCM_RS_Set
LCM_Fill_Area_Loop:
ld a,d
ld (8000h),a
ld a,e
ld (8000h),a
dec c
jr nz,LCM_Fill_Area_Loop
djnz LCM_Fill_Area_Loop
call lwrd LCM_Disable
call lwrd LCM_RS_Reset
pop hl
pop af
ret
LCM_Read_Pixel:
push af
call lwrd LCM_Enable
call lwrd LCM_RS_Set
ld a,(8000h)
ld l,a
ld a,(8000h)
ld h,a
call lwrd LCM_Disable
call lwrd LCM_RS_Reset
pop af
ret
LCM_Read_Area
push af
push hl
call lwrd LCM_Enable
call lwrd LCM_RS_Set
ld hl,8000h
ldir
call lwrd LCM_Disable
call lwrd LCM_RS_Reset
pop hl
pop af
ret
Delay_10us:
push af
push bc
push de
push hl
ld a, 255
delaycontinue:
ld b,255
loop1us: djnz loop1us
dec a
jr nz, delaycontinue
pop hl
pop de
pop bc
pop af
ret
////*******************************************************************************/
///* void LCM_BuffDataTrans ( char *buff , int datacnt);
//** FUNCTION: Hdrv_BuffDataTrans
//** Description: 把指定 buff ，指定长度的数据送到 LCM 中
//** input
//** char *buff :数据 buffer 的首址 (de)
//** int datacnt:传送数据的个数 (bc)
//** output
//** none
//********************************************************************************/
/*
void LCM_BuffDataTrans ( char *buff , int datacnt)
*/
LCM_BuffDataTrans:
push af
push ix
//请在这填入你的代码
call lwrd LCM_Enable
call lwrd LCM_RS_Set
//ld a,( lwrd TransMode)
//or a
//jr nz, DMATranMod
//用普通模式传送数据
/*
//ld ix,4000h
//push de
//pop ix
BufferTransLoop:
ld a,(ix+0)
ld (8000h),a
ld a,(ix+1)
ld (8000h),a
inc ix
inc ix
dec c
jr nz,BufferTransLoop
djnz BufferTransLoop
*/
ex de,hl
ld de,8000h
ldir
jr LCM_BuffDataTrans_ret
DMATranMod:
//用DMA模式传送数据
LCM_BuffDataTrans_ret:
call lwrd LCM_Disable
call lwrd LCM_RS_Reset
pop ix
pop af
ret
/*
********************************************************************************
* Description : 把显示 buffer 指定空间的每个单元填充成指定的值
* Arguments :
int *buf: 填充的 buffer的地址
* int cnt: 填充的 byte 数
int colorindex: 填充的值
* Returns :
* Notes :
********************************************************************************
*/
/*
void _FillBuffer(int *buf, int cnt, int colorindex)
*/
LCM_FillBuffer:
push ix
ld ix,00h
add ix,sp
ld a,b
or c
jr z,_FillBuffer_ret
dec bc
push de
pop hl
ld a,(ix+5)
ld (de),a
inc de
ld a,(ix+4)
ld (de),a
inc de
ldir
_FillBuffer_ret:
pop ix
ret
//*******************************************************************************************************
/*
根据数据中 bit 的顺序填充屏幕（从高到低），是一的位用 c1输出，是0 的位用 c0输出
void *buf : 比特流的首址
int cnt: 要填充的象素个数
int c0: 字颜色 ix+8
int c1: 背景颜色 ix+10
注： 调用这个函数前一定要先用 setwindow 函数设置好窗口
*/
//void LCD_P0_BitFill(void *buf, int cnt, int c0, int c1)
//*******************************************************************************************************
LCD_P0_BitFill:
push hl
push ix
ld ix,00h
add ix,sp //sp->ix
call lwrd LCM_Enable
call lwrd LCM_RS_Set
push de
pop hl
ld a,80h
ld (lwrd maskflag),a
loopfordraw:
ld a,b
or c
jr z,BitFill_ret
dec bc
ld a,(lwrd maskflag)
and (hl)
jr z,drawbg
ld a,(ix+6)
ld (8000h),a
ld a,(ix+7)
ld (8000h),a
jr drawpass
drawbg:
ld a,(ix+8)
ld (8000h),a
ld a,(ix+9)
ld (8000h),a
drawpass:
ld a,(lwrd maskflag)
rra
ld (lwrd maskflag),a
or a
jr nz,loopfordraw
ld a,80h
ld (lwrd maskflag),a
inc hl
jr loopfordraw
BitFill_ret:
call lwrd LCM_Disable
call lwrd LCM_RS_Reset
pop ix
pop hl
ret
/*********************************Function: Delay_1ms definition *****************************************
/*********************************Description **************************************************
//* Function name：Delay_1ms
//* Function Description：Give 1ms delay ,note the cpu wait here
//* Parameter:
//* Input:
//* Output：
*********************************End of Delay_1ms Description *********************************/
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
/*********************************End of Function definition **********************************/
//===========================================
TransMode defb 00h //0: 普通传送模式，DMA传送模式
REG02HSAVED defb 00h
maskflag defb 80h //用来作位屏蔽
#ifndef IncludeMSAFlag// 如果是用 include 方式时不用 end 为编译时不报 warning
end
#endif
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