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implemented power modes for ILI9320

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This commit is contained in:
Joel Bodenmann 2012-11-12 02:35:06 +01:00
parent fafe23f2e4
commit 7ccd3da85f
2 changed files with 111 additions and 66 deletions
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175
drivers/gdisp/ILI9320/gdisp_lld.c
View file

@ -408,76 +408,121 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
*/
void GDISP_LLD(control)(unsigned what, void *value) {
switch(what) {
case GDISP_CONTROL_POWER:
if (GDISP.Powermode == (gdisp_powermode_t)value)
case GDISP_CONTROL_POWER:
if(GDISP.Powermode == (gdisp_powermode_t)value)
return;
switch((gdisp_powermode_t)value) {
case powerOff:
lld_lcdWriteReg(0x0007, 0x0000);
lld_lcdWriteReg(0x0010, 0x0000);
lld_lcdWriteReg(0x0011, 0x0000);
lld_lcdWriteReg(0x0012, 0x0000);
lld_lcdWriteReg(0x0013, 0x0000);
break;
case powerOn:
//*************Power On sequence ******************//
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
lld_lcdWriteReg(0x0010, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
lld_lcdWriteReg(0x0011, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdDelay(500);
lld_lcdWriteReg(0x0012, 0x013C); /* VREG1OUT voltage */
lld_lcdDelay(500);
lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */
lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */
lld_lcdDelay(500);
lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */
if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep)
GDISP_LLD(init)();
break;
case powerSleep:
lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
break;
case powerDeepSleep:
lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
break;
default:
return;
}
GDISP.Powermode = (gdisp_powermode_t)value;
return;
switch((gdisp_powermode_t)value) {
case powerOff:
lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode
lld_lcdWriteReg(0x0007, 0x0000); // halt operation
lld_lcdWriteReg(0x0000, 0x0000); // turn off oszillator
lld_lcdWriteReg(0x0010, 0x0001); // enter sleepmode
break;
case powerOn:
lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode
if (GDISP.Powermode != powerSleep)
GDISP_LLD(init)();
break;
case powerSleep:
lld_lcdWriteReg(0x0010, 0x0001); // enter sleep mode
break;
default:
return;
}
GDISP.Powermode = (gdisp_powermode_t)value;
return;
case GDISP_CONTROL_ORIENTATION:
if (GDISP.Orientation == (gdisp_orientation_t)value)
return;
switch((gdisp_orientation_t)value) {
case GDISP_ROTATE_0:
lld_lcdWriteReg(0x0001, 0x2B3F);
/* ID = 11 AM = 0 */
lld_lcdWriteReg(0x0011, 0x6070);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
lld_lcdWriteReg(0x0001, 0x293F);
/* ID = 11 AM = 1 */
lld_lcdWriteReg(0x0011, 0x6078);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
lld_lcdWriteReg(0x0001, 0x2B3F);
/* ID = 01 AM = 0 */
lld_lcdWriteReg(0x0011, 0x6040);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
lld_lcdWriteReg(0x0001, 0x293F);
/* ID = 01 AM = 1 */
lld_lcdWriteReg(0x0011, 0x6048);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
case GDISP_CONTROL_ORIENTATION:
if(GDISP.Orientation == (gdisp_orientation_t)value)
return;
switch((gdisp_orientation_t)value) {
case GDISP_ROTATE_0:
lld_lcdWriteReg(0x0001, 0x2B3F);
/* ID = 11 AM = 0 */
lld_lcdWriteReg(0x0011, 0x6070);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_90:
lld_lcdWriteReg(0x0001, 0x293F);
/* ID = 11 AM = 1 */
lld_lcdWriteReg(0x0011, 0x6078);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
case GDISP_ROTATE_180:
lld_lcdWriteReg(0x0001, 0x2B3F);
/* ID = 01 AM = 0 */
lld_lcdWriteReg(0x0011, 0x6040);
GDISP.Height = GDISP_SCREEN_HEIGHT;
GDISP.Width = GDISP_SCREEN_WIDTH;
break;
case GDISP_ROTATE_270:
lld_lcdWriteReg(0x0001, 0x293F);
/* ID = 01 AM = 1 */
lld_lcdWriteReg(0x0011, 0x6048);
GDISP.Height = GDISP_SCREEN_WIDTH;
GDISP.Width = GDISP_SCREEN_HEIGHT;
break;
default:
return;
}
#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
GDISP.clipx0 = 0;
GDISP.clipy0 = 0;
GDISP.clipx1 = GDISP.Width;
GDISP.clipy1 = GDISP.Height;
#endif
GDISP.Orientation = (gdisp_orientation_t)value;
return;
/*
case GDISP_CONTROL_BACKLIGHT:
case GDISP_CONTROL_CONTRAST:
*/
#endif
GDISP.Orientation = (gdisp_orientation_t)value;
return;
case GDISP_CONTROL_BACKLIGHT:
/* ToDo */
break;
case GDISP_CONTROL_CONTRAST:
/* ToDo */
break;
}
}

2
include/gdisp_lld.h
View file

@ -556,7 +556,7 @@ typedef enum orientation {GDISP_ROTATE_0, GDISP_ROTATE_90, GDISP_ROTATE_180, GDI
/**
* @brief Type for the available power modes for the screen.
*/
typedef enum powermode {powerOff, powerSleep, powerOn} gdisp_powermode_t;
typedef enum powermode {powerOff, powerSleep, powerDeepSleep, powerOn} gdisp_powermode_t;
/*===========================================================================*/
/* External declarations. */