implemented power modes for ILI9320
This commit is contained in:
Joel Bodenmann
parent
fafe23f2e4
commit
7ccd3da85f
2 changed files with 111 additions and 66 deletions
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@ -408,76 +408,121 @@ void GDISP_LLD(drawpixel)(coord_t x, coord_t y, color_t color) {
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*/
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*/
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void GDISP_LLD(control)(unsigned what, void *value) {
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void GDISP_LLD(control)(unsigned what, void *value) {
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switch(what) {
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switch(what) {
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case GDISP_CONTROL_POWER:
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case GDISP_CONTROL_POWER:
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if (GDISP.Powermode == (gdisp_powermode_t)value)
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if(GDISP.Powermode == (gdisp_powermode_t)value)
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return;
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switch((gdisp_powermode_t)value) {
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case powerOff:
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lld_lcdWriteReg(0x0007, 0x0000);
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lld_lcdWriteReg(0x0010, 0x0000);
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lld_lcdWriteReg(0x0011, 0x0000);
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lld_lcdWriteReg(0x0012, 0x0000);
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lld_lcdWriteReg(0x0013, 0x0000);
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break;
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case powerOn:
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//*************Power On sequence ******************//
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lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
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lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
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lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
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lld_lcdWriteReg(0x0010, 0x17B0); /* SAP, BT[3:0], AP, DSTB, SLP, STB */
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lld_lcdWriteReg(0x0011, 0x0147); /* DC1[2:0], DC0[2:0], VC[2:0] */
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lld_lcdDelay(500);
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lld_lcdWriteReg(0x0012, 0x013C); /* VREG1OUT voltage */
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lld_lcdDelay(500);
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lld_lcdWriteReg(0x0013, 0x0E00); /* VDV[4:0] for VCOM amplitude */
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lld_lcdWriteReg(0x0029, 0x0009); /* VCM[4:0] for VCOMH */
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lld_lcdDelay(500);
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lld_lcdWriteReg(0x0007, 0x0173); /* 262K color and display ON */
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if(GDISP.Powermode != powerSleep || GDISP.Powermode != powerDeepSleep)
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GDISP_LLD(init)();
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break;
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case powerSleep:
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lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
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lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
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lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
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lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
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lld_lcdWriteReg(0x0010, 0x0002); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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break;
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case powerDeepSleep:
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lld_lcdWriteReg(0x0007, 0x0000); /* display OFF */
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lld_lcdWriteReg(0x0010, 0x0000); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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lld_lcdWriteReg(0x0011, 0x0000); /* DC1[2:0], DC0[2:0], VC[2:0] */
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lld_lcdWriteReg(0x0012, 0x0000); /* VREG1OUT voltage */
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lld_lcdWriteReg(0x0013, 0x0000); /* VDV[4:0] for VCOM amplitude */
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lld_lcdDelay(2000); /* Dis-charge capacitor power voltage */
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lld_lcdWriteReg(0x0010, 0x0004); /* SAP, BT[3:0], APE, AP, DSTB, SLP */
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break;
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default:
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return;
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}
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GDISP.Powermode = (gdisp_powermode_t)value;
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return;
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return;
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switch((gdisp_powermode_t)value) {
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case powerOff:
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case GDISP_CONTROL_ORIENTATION:
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lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode
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if(GDISP.Orientation == (gdisp_orientation_t)value)
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lld_lcdWriteReg(0x0007, 0x0000); // halt operation
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return;
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lld_lcdWriteReg(0x0000, 0x0000); // turn off oszillator
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switch((gdisp_orientation_t)value) {
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lld_lcdWriteReg(0x0010, 0x0001); // enter sleepmode
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case GDISP_ROTATE_0:
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break;
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lld_lcdWriteReg(0x0001, 0x2B3F);
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case powerOn:
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/* ID = 11 AM = 0 */
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lld_lcdWriteReg(0x0010, 0x0000); // leave sleep mode
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lld_lcdWriteReg(0x0011, 0x6070);
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if (GDISP.Powermode != powerSleep)
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP_LLD(init)();
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GDISP.Width = GDISP_SCREEN_WIDTH;
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break;
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break;
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case powerSleep:
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lld_lcdWriteReg(0x0010, 0x0001); // enter sleep mode
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case GDISP_ROTATE_90:
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break;
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lld_lcdWriteReg(0x0001, 0x293F);
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default:
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/* ID = 11 AM = 1 */
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return;
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lld_lcdWriteReg(0x0011, 0x6078);
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}
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GDISP.Height = GDISP_SCREEN_WIDTH;
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GDISP.Powermode = (gdisp_powermode_t)value;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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return;
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break;
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case GDISP_CONTROL_ORIENTATION:
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if (GDISP.Orientation == (gdisp_orientation_t)value)
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case GDISP_ROTATE_180:
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return;
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lld_lcdWriteReg(0x0001, 0x2B3F);
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switch((gdisp_orientation_t)value) {
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/* ID = 01 AM = 0 */
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case GDISP_ROTATE_0:
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lld_lcdWriteReg(0x0011, 0x6040);
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lld_lcdWriteReg(0x0001, 0x2B3F);
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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/* ID = 11 AM = 0 */
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GDISP.Width = GDISP_SCREEN_WIDTH;
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lld_lcdWriteReg(0x0011, 0x6070);
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break;
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Width = GDISP_SCREEN_WIDTH;
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case GDISP_ROTATE_270:
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break;
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lld_lcdWriteReg(0x0001, 0x293F);
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case GDISP_ROTATE_90:
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/* ID = 01 AM = 1 */
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lld_lcdWriteReg(0x0001, 0x293F);
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lld_lcdWriteReg(0x0011, 0x6048);
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/* ID = 11 AM = 1 */
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GDISP.Height = GDISP_SCREEN_WIDTH;
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lld_lcdWriteReg(0x0011, 0x6078);
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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GDISP.Height = GDISP_SCREEN_WIDTH;
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break;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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case GDISP_ROTATE_180:
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return;
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lld_lcdWriteReg(0x0001, 0x2B3F);
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}
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/* ID = 01 AM = 0 */
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lld_lcdWriteReg(0x0011, 0x6040);
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#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
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GDISP.Height = GDISP_SCREEN_HEIGHT;
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GDISP.Width = GDISP_SCREEN_WIDTH;
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break;
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case GDISP_ROTATE_270:
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lld_lcdWriteReg(0x0001, 0x293F);
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/* ID = 01 AM = 1 */
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lld_lcdWriteReg(0x0011, 0x6048);
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GDISP.Height = GDISP_SCREEN_WIDTH;
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GDISP.Width = GDISP_SCREEN_HEIGHT;
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break;
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default:
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return;
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}
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#if GDISP_NEED_CLIP || GDISP_NEED_VALIDATION
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GDISP.clipx0 = 0;
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GDISP.clipx0 = 0;
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GDISP.clipy0 = 0;
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GDISP.clipy0 = 0;
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GDISP.clipx1 = GDISP.Width;
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GDISP.clipx1 = GDISP.Width;
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GDISP.clipy1 = GDISP.Height;
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GDISP.clipy1 = GDISP.Height;
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#endif
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#endif
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GDISP.Orientation = (gdisp_orientation_t)value;
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GDISP.Orientation = (gdisp_orientation_t)value;
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return;
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return;
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/*
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case GDISP_CONTROL_BACKLIGHT:
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case GDISP_CONTROL_BACKLIGHT:
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case GDISP_CONTROL_CONTRAST:
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/* ToDo */
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*/
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break;
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case GDISP_CONTROL_CONTRAST:
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/* ToDo */
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break;
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}
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}
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}
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}
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@ -556,7 +556,7 @@ typedef enum orientation {GDISP_ROTATE_0, GDISP_ROTATE_90, GDISP_ROTATE_180, GDI
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/**
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/**
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* @brief Type for the available power modes for the screen.
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* @brief Type for the available power modes for the screen.
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*/
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*/
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typedef enum powermode {powerOff, powerSleep, powerOn} gdisp_powermode_t;
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typedef enum powermode {powerOff, powerSleep, powerDeepSleep, powerOn} gdisp_powermode_t;
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/*===========================================================================*/
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/*===========================================================================*/
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/* External declarations. */
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/* External declarations. */
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