static void gpuInitLate(void) {
/* Do a power cycle for safer side */
Ft_Gpu_Hal_Powercycle(&Gpu, FT_TRUE);
//Ft_Gpu_Hal_Rd16(&Gpu, RAM_G);
/* Access address 0 to wake up the FT800 */
Ft_Gpu_HostCommand(&Gpu, FT_GPU_ACTIVE_M);
Ft_Gpu_Hal_Sleep(40);
/* Set the clk to external clock */
Ft_Gpu_HostCommand(&Gpu, FT_GPU_EXTERNAL_OSC);
Ft_Gpu_Hal_Sleep(20);
/* Switch PLL output to 48MHz */
Ft_Gpu_HostCommand(&Gpu, FT_GPU_PLL_48M);
Ft_Gpu_Hal_Sleep(20);
/* Do a core reset for safer side */
Ft_Gpu_HostCommand(&Gpu, FT_GPU_CORE_RESET);
Ft_Gpu_Hal_Sleep(40);
Ft_Gpu_Hal_Wr16(&Gpu, REG_HCYCLE, DISP_H_CYCLE);
Ft_Gpu_Hal_Wr16(&Gpu, REG_HOFFSET, DISP_H_OFFSET);
Ft_Gpu_Hal_Wr16(&Gpu, REG_HSYNC0, DISP_H_SYNC0);
Ft_Gpu_Hal_Wr16(&Gpu, REG_HSYNC1, DISP_H_SYNC1);
Ft_Gpu_Hal_Wr16(&Gpu, REG_VCYCLE, DISP_V_CYCLE);
Ft_Gpu_Hal_Wr16(&Gpu, REG_VOFFSET, DISP_V_OFFSET);
Ft_Gpu_Hal_Wr16(&Gpu, REG_VSYNC0, DISP_V_SYNC0);
Ft_Gpu_Hal_Wr16(&Gpu, REG_VSYNC1, DISP_V_SYNC1);
Ft_Gpu_Hal_Wr8(&Gpu, REG_SWIZZLE, DISP_SWIZZLE);
Ft_Gpu_Hal_Wr8(&Gpu, REG_PCLK_POL, DISP_PCLK_POL);
Ft_Gpu_Hal_Wr16(&Gpu, REG_HSIZE, DISP_WIDTH);
Ft_Gpu_Hal_Wr16(&Gpu, REG_VSIZE, DISP_HEIGHT);
Ft_Gpu_Hal_Wr8(&Gpu, REG_GPIO_DIR, 0x83 | Ft_Gpu_Hal_Rd8(&Gpu, REG_GPIO_DIR));
Ft_Gpu_Hal_Wr8(&Gpu, REG_GPIO, 0x83 | Ft_Gpu_Hal_Rd8(&Gpu, REG_GPIO));
/* Touch configuration - configure the resistance value to 1200 - this value is specific to customer requirement and derived by experiment */
Ft_Gpu_Hal_Wr16(&Gpu, REG_TOUCH_RZTHRESH,1200);
Ft_Gpu_Hal_Wr32(&Gpu, RAM_DL + 0, CLEAR_COLOR_RGB(0, 0, 0));//set the background to black
Ft_Gpu_Hal_Wr32(&Gpu, RAM_DL + 4, CLEAR(1,1,1));
Ft_Gpu_Hal_Wr32(&Gpu, RAM_DL + 8, DISPLAY());
Ft_Gpu_Hal_Wr8(&Gpu, REG_DLSWAP, DLSWAP_FRAME);
Ft_Gpu_Hal_Wr8(&Gpu, REG_PCLK, DISP_PCLK); /* After this display is visible on the LCD */
}
ft_void_t Ft_BootupConfig()
{
/* Do a power cycle for safer side */
Ft_Gpu_Hal_Powercycle(phost,FT_TRUE);
Ft_Gpu_Hal_Rd16(phost,RAM_G);
/* Set the clk to external clock */
Ft_Gpu_HostCommand(phost,FT_GPU_EXTERNAL_OSC);
Ft_Gpu_Hal_Sleep(10);
/* Switch PLL output to 48MHz */
Ft_Gpu_HostCommand(phost,FT_GPU_PLL_48M);
Ft_Gpu_Hal_Sleep(10);
/* Do a core reset for safer side */
Ft_Gpu_HostCommand(phost,FT_GPU_CORE_RESET);
/* Access address 0 to wake up the FT800 */
Ft_Gpu_HostCommand(phost,FT_GPU_ACTIVE_M);
Ft_Gpu_Hal_Wr8(phost, REG_GPIO_DIR,0x80 | Ft_Gpu_Hal_Rd8(phost,REG_GPIO_DIR));
Ft_Gpu_Hal_Wr8(phost, REG_GPIO,0x080 | Ft_Gpu_Hal_Rd8(phost,REG_GPIO));
{
ft_uint8_t chipid;
//Read Register ID to check if FT800 is ready.
chipid = Ft_Gpu_Hal_Rd8(phost, REG_ID);
while(chipid != 0x7C)
chipid = Ft_Gpu_Hal_Rd8(phost, REG_ID);
#ifdef MSVC_PLATFORM
printf("VC1 register ID after wake up %x\n",chipid);
#endif
}
/* Configuration of LCD display */
#ifdef SAMAPP_DISPLAY_QVGA
/* Values specific to QVGA LCD display */
FT_DispWidth = 320;
FT_DispHeight = 240;
FT_DispHCycle = 408;
FT_DispHOffset = 70;
FT_DispHSync0 = 0;
FT_DispHSync1 = 10;
FT_DispVCycle = 263;
FT_DispVOffset = 13;
FT_DispVSync0 = 0;
FT_DispVSync1 = 2;
FT_DispPCLK = 8;
FT_DispSwizzle = 2;
FT_DispPCLKPol = 0;
#endif
Ft_Gpu_Hal_Wr16(phost, REG_HCYCLE, FT_DispHCycle);
Ft_Gpu_Hal_Wr16(phost, REG_HOFFSET, FT_DispHOffset);
Ft_Gpu_Hal_Wr16(phost, REG_HSYNC0, FT_DispHSync0);
Ft_Gpu_Hal_Wr16(phost, REG_HSYNC1, FT_DispHSync1);
Ft_Gpu_Hal_Wr16(phost, REG_VCYCLE, FT_DispVCycle);
Ft_Gpu_Hal_Wr16(phost, REG_VOFFSET, FT_DispVOffset);
Ft_Gpu_Hal_Wr16(phost, REG_VSYNC0, FT_DispVSync0);
Ft_Gpu_Hal_Wr16(phost, REG_VSYNC1, FT_DispVSync1);
Ft_Gpu_Hal_Wr8(phost, REG_SWIZZLE, FT_DispSwizzle);
Ft_Gpu_Hal_Wr8(phost, REG_PCLK_POL, FT_DispPCLKPol);
Ft_Gpu_Hal_Wr8(phost, REG_PCLK,FT_DispPCLK);//after this display is visible on the LCD
Ft_Gpu_Hal_Wr16(phost, REG_HSIZE, FT_DispWidth);
Ft_Gpu_Hal_Wr16(phost, REG_VSIZE, FT_DispHeight);
/* Touch configuration - configure the resistance value to 1200 - this value is specific to customer requirement and derived by experiment */
Ft_Gpu_Hal_Wr16(phost, REG_TOUCH_RZTHRESH,1200);
Ft_Gpu_Hal_Wr8(phost, REG_GPIO_DIR,0xff);
Ft_Gpu_Hal_Wr8(phost, REG_GPIO,0x0ff);
}
