#include "driver_display.h"
#include "driver_nv3041a.h"
 
#include "driver_parallel_interface.h"


extern PARALLEL_HandTypeDef hparallel;

static void WriteComm(uint8_t reg)
{
   
	__PARALLEL_CS_SET(hparallel.PARALLELx);
	/* writer cmd */
	Parallel_write_cmd(&hparallel,reg); 
	__PARALLEL_CS_RELEASE(hparallel.PARALLELx);
}
static void WriteData(uint8_t data)
{
	__PARALLEL_CS_SET(hparallel.PARALLELx);
	/* writer cmd */
	Parallel_write_param(&hparallel,data);
	__PARALLEL_CS_RELEASE(hparallel.PARALLELx);
}

static void LCD_READ_DATA(uint8_t reg)
{
	static uint16_t data=0;
	__PARALLEL_CS_SET(hparallel.PARALLELx);
	/* writer cmd */
	
	//Parallel_write_cmd(&hparallel,reg); 
	// Parallel_read_data_cmd(&hparallel,reg,&data,1);
	printf("reg_param:0x%x\r\n",data);
	__PARALLEL_CS_RELEASE(hparallel.PARALLELx);		
}
void display_backlight_set(void)
{
    gpio_write_pin(GPIOA, GPIO_PIN_4, GPIO_PIN_SET);
}

void display_backlight_clear(void)
{
    gpio_write_pin(GPIOA, GPIO_PIN_4, GPIO_PIN_CLEAR);
}
void nv3041a_set_window(uint16_t x_s, uint16_t x_e, uint16_t y_s, uint16_t y_e)
{
    WriteComm(0x2a);//列地址设置
    WriteData(x_s>>8);
    WriteData(x_s&0xff);
    WriteData(x_e>>8);
    WriteData(x_e&0xff);
    WriteComm(0x2b);//行地址设置
    WriteData(y_s>>8);
    WriteData(y_s&0xff);
    WriteData(y_e>>8);
    WriteData(y_e&0xff);
    WriteComm(0x2c);//储存器写
//    write_cmd(0x2c);
}


void LCD_Fill(uint16_t xsta,uint16_t ysta,uint16_t xend,uint16_t yend,uint16_t color)
{          
	uint16_t i,j,size; 
	nv3041a_set_window(xsta,xend-1,ysta,yend-1);//设置显示范围
	__PARALLEL_CS_SET(hparallel.PARALLELx);
 
	if(hparallel.Init.DataBusSelect == DATA_BUS_8_BIT)
	{
		size=2;
	}else{
		size=2;
	}
	for(i=ysta;i<yend;i++)
	{													   	 	
		for(j=xsta;j<xend;j++)
		{
		//	LCD_WR_DATA(color);
			/* writer data */            
            Parallel_write_data(&hparallel,(uint32_t *)&color,size);
		}
	} 		
	__PARALLEL_CS_RELEASE(hparallel.PARALLELx);	
}
void nv3041a_display(uint32_t pixel_count, uint8_t pixel_width, void *data)
{
    uint32_t frame_size=0;
	
	if (pixel_width == 8) {
		frame_size = (pixel_count*4);
    }
    if (pixel_width == 16) {
      //  frame_size = SPI_FRAME_SIZE_16BIT;
		frame_size = (pixel_count*2);
    }
    else if (pixel_width == 32) {
		frame_size = (pixel_count);
    }
	
	__PARALLEL_CS_SET(hparallel.PARALLELx);
    //Parallel_write_param(&hparallel,data);
	Parallel_write_data(&hparallel,data,(frame_size));
	//while(__PARALLEL_IS_BUS_BUSY(hparallel.PARALLELx)); 
    __PARALLEL_CS_RELEASE(hparallel.PARALLELx);
	
}

void nv3041a_display_dma(uint32_t pixel_count, uint8_t pixel_width, void *data)
{
     uint8_t dma_trans_width=0;
     uint32_t dma_sample_count=0;
    switch (dma_display_handle.Init.Source_Width) {
        case DMA_TRANSFER_WIDTH_32:
			//272x480 16 
            dma_sample_count = pixel_count * pixel_width / 32;
			//dma_sample_count=dma_sample_count*4;
            break;
        case DMA_TRANSFER_WIDTH_16:
            dma_sample_count = pixel_count * pixel_width / 16;
		//	dma_sample_count=dma_sample_count*2;
            break;
        case DMA_TRANSFER_WIDTH_8:
            dma_sample_count = pixel_count * pixel_width / 8;
		//	dma_sample_count=dma_sample_count;
            break;
        default:
            return;
    }
//	switch(hparallel.Init.DataBusSelect)
//	{
//		case DATA_BUS_8_BIT:
//			dma_trans_width = 2;
//		break;
//		
//		case DATA_BUS_16_BIT:
//			dma_trans_width=2;
//		break;
//	}
	dma_sample_count=dma_sample_count*2;
    __PARALLEL_CS_SET(hparallel.PARALLELx);
    __PARALLEL_SET_WR_LEN(hparallel.PARALLELx,dma_sample_count);
    dma_start_IT(&dma_display_handle, (uint32_t)data, (uint32_t)&hparallel.PARALLELx->TX_FIFO, (dma_sample_count));
}

void nv3041a_display_dma_isr(void)
{
    #if 0
    while(__SPI_IS_BUSY(spi_display_handle.SPIx));
    // CS Release
    __DISPLAY_CS_SET();
	
    /* Clear Transfer complete status */
    dma_clear_tfr_Status(&dma_display_handle);
    /* channel Transfer complete interrupt disable */
    dma_tfr_interrupt_disable(&dma_display_handle);

    __SPI_DISABLE(spi_display_handle.SPIx);
    __SPI_TX_ENDIAN_SET(spi_display_handle.SPIx, TX_RX_Endian_4321);
    __SPI_DATA_FRAME_SIZE(spi_display_handle.SPIx, SPI_FRAME_SIZE_8BIT);
    #endif
	//printf("nv3041a_display_dma_isr1\r\n");
    while(!( __PARALLEL_INT_STATUS(hparallel.PARALLELx)&INT_TXFIFO_EMPTY));
    __PARALLEL_CS_RELEASE(hparallel.PARALLELx);
    /* Clear Transfer complete status */
    dma_clear_tfr_Status(&dma_display_handle);
    /* channel Transfer complete interrupt disable */
    dma_tfr_interrupt_disable(&dma_display_handle);
	//printf("nv3041a_display_dma_isr2\r\n");
}

#define pixel_size	100*100
uint16_t color_buffer[pixel_size]={0};

void nv3041a_init(void)
{
	#define  TFT_43 0
	
	display_backlight_clear();
	
	#if TFT_43 == 1
    WriteComm(0xff);
	WriteData(0xa5);
	WriteComm(0xE7);//TE_output_en
	WriteData(0x10);
	WriteComm(0x35);//TE_ interface_en
	WriteData(0x01);
	WriteComm(0x3A);
	WriteData(0x01);//00---666//01--565
	WriteComm(0x40);
	WriteData(0x01); //01:IPS/00:TN
	WriteComm(0x41);
	WriteData(0x03);//01--8bit//03--16bit
	WriteComm(0x55);
	WriteData(0x01);
	WriteComm(0x44);//VBP
	WriteData(0x15);//21NVu NV3041A-01

	WriteComm(0x45);//VFP
	WriteData(0x15);//21
	WriteComm(0x7d);//vdds_trim[2:0]
	WriteData(0x03);//2.07V
	WriteComm(0xc1);//avdd_clp_en avdd_clp[1:0] avcl_clp_en avcl_clp[1:0]
	WriteData(0xab);//6.74V/-5.16V
	WriteComm(0xc2);//vgh_clp_en vgl_clp[2:0]
	WriteData(0x17);
	WriteComm(0xc3);//vgl_clp_en vgl_clp[2:0]
	WriteData(0x10);//-10.951
	WriteComm(0xc6);//avdd_ratio_sel avcl_ratio_sel vgh_ratio_sel[1:0] vgl_ratio_sel[1:0]
	WriteData(0x3a);//35
	WriteComm(0xc7);//mv_clk_sel[1:0] avdd_clk_sel[1:0] avcl_clk_sel[1:0]
	WriteData(0x25); //2e
	WriteComm(0xc8);// VGL_CLK_sel
	WriteData(0x11);
	WriteComm(0x6f);// user_gvdd
	WriteData(0x2f);
	WriteComm(0x78);// user_gvcl
	WriteData(0x4b);
	//WriteComm(0x7a);// user_vgsp
	//WriteData(0x5f);
	//test
	WriteComm(0x7a);// user_vgsp
	WriteData(0x49);
	WriteComm(0xc9);
	WriteData(0x00);
	//gate_ed
	WriteComm(0x51);//gate_st_o[7:0]
	//WriteData(0x4b);
	WriteData(0x20);
	WriteComm(0x52);//gate_ed_o[7:0]
	WriteData(0x7c);
	WriteComm(0x53);//gate_st_e[7:0]
	//WriteData(0x45);
	WriteData(0x1c);
	WriteComm(0x54);//gate_ed_e[7:0]
	WriteData(0x77);
	////sorce oldNVu NV3041A-01

	WriteComm(0x46);//fsm_hbp_o[5:0]
	WriteData(0x0a);
	WriteComm(0x47);//fsm_hfp_o[5:0]
	WriteData(0x2a);
	WriteComm(0x48);//fsm_hbp_e[5:0]
	WriteData(0x0a);
	WriteComm(0x49);//fsm_hfp_e[5:0]
	WriteData(0x1a);
	WriteComm(0x56);//src_ld_wd[1:0] src_ld_st[5:0]
	WriteData(0x43);
	WriteComm(0x57);//pn_cs_en src_cs_st[5:0]
	WriteData(0x42);
	WriteComm(0x58);//src_cs_p_wd[6:0]
	WriteData(0x3c);
	WriteComm(0x59);//src_cs_n_wd[6:0]
	WriteData(0x64);
	WriteComm(0x5a);//src_pchg_st_o[6:0]
	WriteData(0x41);
	WriteComm(0x5b);//src_pchg_wd_o[6:0]
	WriteData(0x3c);
	WriteComm(0x5c);//src_pchg_st_e[6:0]
	WriteData(0x02);
	WriteComm(0x5d);//src_pchg_wd_e[6:0]
	WriteData(0x3c);
	WriteComm(0x5e);//src_pol_sw[7:0]
	WriteData(0x1f);
	WriteComm(0x60);//src_op_st_o[7:0]
	WriteData(0x80);
	WriteComm(0x61);//src_op_st_e[7:0]
	WriteData(0x3f);
	WriteComm(0x62);//src_op_ed_o[9:8] src_op_ed_e[9:8]
	WriteData(0x21);
	WriteComm(0x63);//src_op_ed_o[7:0]
	WriteData(0x07);
	WriteComm(0x64);//src_op_ed_e[7:0]
	WriteData(0xe0);
	WriteComm(0x65);//chopper
	WriteData(0x01);//01-A2,02--A1NVu NV3041A-01

	//WriteComm(0x67);
	//WriteData(0x33);//01
	WriteComm(0xca); //avdd_mux_st_o[7:0]
	WriteData(0x20);
	WriteComm(0xcb); //avdd_mux_ed_o[7:0]
	WriteData(0x52);
	WriteComm(0xcc); //avdd_mux_st_e[7:0]
	WriteData(0x10);
	WriteComm(0xcD); //avdd_mux_ed_e[7:0]
	WriteData(0x42);
	WriteComm(0xD0); //avcl_mux_st_o[7:0]
	WriteData(0x20);
	WriteComm(0xD1); //avcl_mux_ed_o[7:0]
	WriteData(0x52);
	WriteComm(0xD2); //avcl_mux_st_e[7:0]
	WriteData(0x10);
	WriteComm(0xD3); //avcl_mux_ed_e[7:0]
	WriteData(0x42);
	WriteComm(0xD4); //vgh_mux_st[7:0]
	WriteData(0x0a);
	WriteComm(0xD5); //vgh_mux_ed[7:0]
	WriteData(0x32);
	WriteComm(0xe5); //DVDD_TRIM
	WriteData(0x05); //1.65 05
	WriteComm(0xe6); //ESD_CTRL
	WriteData(0x00);
	WriteComm(0x6e); //LVD_en
	WriteData(0x14);
	//gammma 01
	WriteComm(0x80); //gam_vrp0 63
	WriteData(0x04);
	WriteComm(0xA0); //gam_VRN0 63
	WriteData(0x00);
	WriteComm(0x81); //gam_vrp1 62
	WriteData(0x07);
	WriteComm(0xA1); //gam_VRN1 62-
	WriteData(0x05);
	WriteComm(0x82); //gam_vrp2 61
	WriteData(0x06);
	WriteComm(0xA2); //gam_VRN2 61-NVu NV3041A-01

	WriteData(0x04);
	WriteComm(0x83); //gam_vrp3 2
	WriteData(0x39);
	WriteComm(0xA3); //gam_VRN3 2-
	WriteData(0x39);
	WriteComm(0x84); //gam_vrp4 1
	WriteData(0x3a);
	WriteComm(0xA4); //gam_VRN4 1-
	WriteData(0x3a);
	WriteComm(0x85); //gam_vrp5 0
	WriteData(0x3f); //2a~39-0.43
	WriteComm(0xA5); //gam_VRN5 0-
	WriteData(0x3f);
	WriteComm(0x86); //gam_prp0 50
	WriteData(0x2c); //33
	WriteComm(0xA6); //gam_PRN0 50-
	WriteData(0x2a); //2a
	//WriteComm(0x87); //gam_prp1 14
	//WriteData(0x46); //2d
	//WriteComm(0xA7); //gam_PRN1 14-
	//WriteData(0x44); //2d
	WriteComm(0x87); //gam_prp1 14
	WriteData(0x43); //2d
	WriteComm(0xA7); //gam_PRN1 14-
	WriteData(0x47); //2d
	WriteComm(0x88); //gam_pkp0 59
	WriteData(0x08); //0b
	WriteComm(0xA8); //gam_PKN0 59-
	WriteData(0x08); //0b
	WriteComm(0x89); //gam_pkp1 57
	WriteData(0x0f); //14
	WriteComm(0xA9); //gam_PKN1 57-
	WriteData(0x0f); //14
	WriteComm(0x8a); //gam_pkp2 54
	WriteData(0x17); //1a
	WriteComm(0xAa); //gam_PKN2 54-
	WriteData(0x17); //1a
	WriteComm(0x8b); //gam_PKP3 44
	WriteData(0x10);
	WriteComm(0xAb); //gam_PKN3 44-
	WriteData(0x10);
	WriteComm(0x8c); //gam_PKP4 38
	WriteData(0x16);
	WriteComm(0xAc); //gam_PKN4 38-
	WriteData(0x16);//NVu NV3041A-01

	WriteComm(0x8d); //gam_PKP5 32
	WriteData(0x14);
	WriteComm(0xAd); //gam_PKN5 32-
	WriteData(0x14);
	WriteComm(0x8e); //gam_PKP6 26
	WriteData(0x11); //16
	WriteComm(0xAe); //gam_PKN6 26-
	WriteData(0x11); //13
	WriteComm(0x8f); //gam_PKP7 20
	WriteData(0x14); //1c
	WriteComm(0xAf); //gam_PKN7 20-
	WriteData(0x14); //0a
	WriteComm(0x90); //gam_PKP8 10
	WriteData(0x06);
	WriteComm(0xB0); //gam_PKN8 10-
	WriteData(0x06);
	WriteComm(0x91); //gam_PKP9 6
	WriteData(0x0f);
	WriteComm(0xB1); //gam_PKN9 6-
	WriteData(0x0f);
	WriteComm(0x92); //gam_PKP10 4
	WriteData(0x16);
	WriteComm(0xB2); //gam_PKN10 4-
	WriteData(0x16);
	WriteComm(0xff);
	WriteData(0x00);
	WriteComm(0x11);
	
 	WriteComm(0x36);
 	WriteData(0x00);
	
	system_delay_us(120*1000);
	WriteComm(0x29);
	system_delay_us(20*1000);
	#else
	WriteComm(0xF7);  
	WriteData(0xA9); 
	WriteData(0x51); 
	WriteData(0X2C); 
	WriteData(0X82);

	WriteComm(0xC0);
	WriteData(0x0F);
	WriteData(0x0f);

//	VGH = 5VCI   VGL = -3VCI
	WriteComm(0xC1);
	WriteData(0x47);       

	WriteComm(0xC5);
	WriteData(0x00);
	WriteData(0x4D);
	WriteData(0x80);      

	WriteComm(0xB1);  
	WriteData(0xB0); 
	WriteData(0X11);
	WriteComm(0xB1);
	WriteData(0xA0);

	WriteComm(0xB4);
	WriteData(0x02);

	WriteComm(0x36);//旋转180°
	// WriteData(0x28);
	WriteData(0xE8);							

	WriteComm(0x3A);
	WriteData(0x55);  //RGB565

	WriteComm(0x20);
	WriteData(0x00); //IPS 

	WriteComm(0xE9);
	WriteData(0x00);

	WriteComm(0xF7);
	WriteData(0xA9);
	WriteData(0x51);
	WriteData(0x2C);
	WriteData(0x82);						

	WriteComm(0xE0);
	WriteData(0x00);
	WriteData(0x07);
	WriteData(0x0B);
	WriteData(0x03);
	WriteData(0x0F);
	WriteData(0x05);
	WriteData(0x30);
	WriteData(0x56);
	WriteData(0x47);
	WriteData(0x04);
	WriteData(0x0B);
	WriteData(0x0A);
	WriteData(0x2D);
	WriteData(0x37);
	WriteData(0x0F);

	WriteComm(0xE1);
	WriteData(0x00);
	WriteData(0x0E);
	WriteData(0x13);
	WriteData(0x04);
	WriteData(0x11);
	WriteData(0x07);
	WriteData(0x39);
	WriteData(0x45);
	WriteData(0x50);
	WriteData(0x07);
	WriteData(0x10);
	WriteData(0x0D);
	WriteData(0x32);
	WriteData(0x36);
	WriteData(0x0F);

	WriteComm(0x11);
	system_delay_us(120*1000);
//	Delay(480);  

	WriteComm(0x29);
	#endif
	
	// LCD_READ_DATA(0x36);
//	for(uint32_t i=0;i<pixel_size;i++)
//	{
//		color_buffer[i]=0xf800;
//	}
//	nv3041a_set_window(0,240-1,0,320-1);
//	__PARALLEL_CS_SET(hparallel.PARALLELx);
//	/* writer data */   
//	Parallel_write_data(&hparallel,(uint32_t *)&color_buffer,(pixel_size));
//	__PARALLEL_CS_RELEASE(hparallel.PARALLELx);	
//	system_delay_us(2000*1000);
	#if 0
	for(uint32_t i=0;i<pixel_size;i++)
	{
		color_buffer[i]=0xf800;
	}
	nv3041a_set_window(0,100-1,0,100-1);
	__PARALLEL_CS_SET(hparallel.PARALLELx);
	/* writer data */   
	Parallel_write_data(&hparallel,(uint32_t *)&color_buffer,(pixel_size));
	system_delay_us(100);
	__PARALLEL_CS_RELEASE(hparallel.PARALLELx);	
	system_delay_us(1000*1000);
	
	#if 0
	extern uint32_t *user_get_display_framebuffer(void);
	uint16_t *buf = (uint16_t*)user_get_display_framebuffer();
	
	nv3041a_set_window(0,100-1,0,100-1);
	for(uint32_t i=0;i<pixel_size;i++)
	{
		color_buffer[i]=0x001f;
	}
	nv3041a_display_dma(pixel_size,16,color_buffer);
	
 	system_delay_us(2000*1000);
	uint16_t color_buf[16]={
	0xf800,0x001f,0x01e0,0xffff,0x0fff,
	};
	static uint8_t index=0;
	while(1)
	{
		for(uint32_t i=0;i<480*272;i++)
		{
			buf[i]=color_buf[index];
		}
		++index;
		index%=4;
		nv3041a_set_window(0,480-1,0,272-1);
		nv3041a_display_dma((480*272),16,buf);
		system_delay_us(2000*1000);
		if(index==0)break;
	}
	
	for(uint32_t i=0;i<480*272;i++)
	{
		buf[i]=0xf800;
	}
	nv3041a_set_window(0,480-1,0,272-1);
	nv3041a_display_dma((480*272),16,buf);
	system_delay_us(2000*1000);
	#endif
//	LCD_Fill(0,0,240,320,0x001f);
//	system_delay_us(2000*1000);
//	LCD_Fill(0,0,240,320,0x01e0);
//		system_delay_us(2000*1000);
//	LCD_Fill(0,0,240,320,0xffff);
	printf("LCD_Fill\r\n");
	#endif
	
}