使用了SWMS4S 的SRAMC,代码如下
void lcd_memory_init(void)
{
SDRAM_InitStructure SDRAM_InitStruct;
PORT_Init(PORTM, PIN13, PORTM_PIN13_SDR_CLK, 0);
PORT_Init(PORTM, PIN14, PORTM_PIN14_SDR_CKE, 0);
PORT_Init(PORTB, PIN7, PORTB_PIN7_SDR_WE, 0);
PORT_Init(PORTB, PIN8, PORTB_PIN8_SDR_CAS, 0);
PORT_Init(PORTB, PIN9, PORTB_PIN9_SDR_RAS, 0);
PORT_Init(PORTB, PIN10, PORTB_PIN10_SDR_CS, 0);
PORT_Init(PORTE, PIN15, PORTE_PIN15_SDR_BA0, 0);
PORT_Init(PORTE, PIN14, PORTE_PIN14_SDR_BA1, 0);
PORT_Init(PORTN, PIN14, PORTN_PIN14_SDR_A0, 0);
PORT_Init(PORTN, PIN13, PORTN_PIN13_SDR_A1, 0);
PORT_Init(PORTN, PIN12, PORTN_PIN12_SDR_A2, 0);
PORT_Init(PORTN, PIN11, PORTN_PIN11_SDR_A3, 0);
PORT_Init(PORTN, PIN10, PORTN_PIN10_SDR_A4, 0);
PORT_Init(PORTN, PIN9, PORTN_PIN9_SDR_A5, 0);
PORT_Init(PORTN, PIN8, PORTN_PIN8_SDR_A6, 0);
PORT_Init(PORTN, PIN7, PORTN_PIN7_SDR_A7, 0);
PORT_Init(PORTN, PIN6, PORTN_PIN6_SDR_A8, 0);
PORT_Init(PORTN, PIN3, PORTN_PIN3_SDR_A9, 0);
PORT_Init(PORTN, PIN15, PORTN_PIN15_SDR_A10, 0);
PORT_Init(PORTN, PIN2, PORTN_PIN2_SDR_A11, 0);
PORT_Init(PORTM, PIN15, PORTM_PIN15_SDR_A12, 0);
PORT_Init(PORTE, PIN7, PORTE_PIN7_SDR_D0, 1);
PORT_Init(PORTE, PIN6, PORTE_PIN6_SDR_D1, 1);
PORT_Init(PORTE, PIN5, PORTE_PIN5_SDR_D2, 1);
PORT_Init(PORTE, PIN4, PORTE_PIN4_SDR_D3, 1);
PORT_Init(PORTE, PIN3, PORTE_PIN3_SDR_D4, 1);
PORT_Init(PORTE, PIN2, PORTE_PIN2_SDR_D5, 1);
PORT_Init(PORTE, PIN1, PORTE_PIN1_SDR_D6, 1);
PORT_Init(PORTE, PIN0, PORTE_PIN0_SDR_D7, 1);
PORT_Init(PORTE, PIN8, PORTE_PIN8_SDR_D8, 1);
PORT_Init(PORTE, PIN9, PORTE_PIN9_SDR_D9, 1);
PORT_Init(PORTE, PIN10, PORTE_PIN10_SDR_D10, 1);
PORT_Init(PORTE, PIN11, PORTE_PIN11_SDR_D11, 1);
PORT_Init(PORTE, PIN12, PORTE_PIN12_SDR_D12, 1);
PORT_Init(PORTE, PIN13, PORTE_PIN13_SDR_D13, 1);
PORT_Init(PORTC, PIN14, PORTC_PIN14_SDR_D14, 1);
PORT_Init(PORTC, PIN15, PORTC_PIN15_SDR_D15, 1);
PORT_Init(PORTB, PIN6, PORTB_PIN6_SDR_LDQM, 0);
PORT_Init(PORTM, PIN12, PORTM_PIN12_SDR_UDQM,0);
SDRAM_InitStruct.Size = SDRAM_SIZE_8MB;
SDRAM_InitStruct.ClkDiv = SDRAM_CLKDIV_1;
SDRAM_InitStruct.CASLatency = SDRAM_CASLATENCY_2;
SDRAM_InitStruct.TimeTRP = SDRAM_TRP_3;
SDRAM_InitStruct.TimeTRCD = SDRAM_TRCD_3;
SDRAM_InitStruct.TimeTRFC = SDRAM_TRFC_15;
SDRAM_Init(&SDRAM_InitStruct);
}
LV_HOR_RES_MAX 为屏幕宽度
LV_VER_RES_MAX 为屏幕长度
extern uint32_t lcdbuf_show[LV_HOR_RES_MAX * LV_VER_RES_MAX / 2];
void lcd_rgb_init(void)
{
uint32_t i;
LCD_InitStructure LCD_initStruct;
PORT_Init(PORTC, PIN9, PORTC_PIN9_LCD_R3, 0);
PORT_Init(PORTC, PIN10, PORTC_PIN10_LCD_R4, 0);
PORT_Init(PORTC, PIN11, PORTC_PIN11_LCD_R5, 0);
PORT_Init(PORTC, PIN12, PORTC_PIN12_LCD_R6, 0);
PORT_Init(PORTC, PIN13, PORTC_PIN13_LCD_R7, 0);
PORT_Init(PORTA, PIN14, PORTA_PIN14_LCD_G2, 0);
PORT_Init(PORTA, PIN15, PORTA_PIN15_LCD_G3, 0);
PORT_Init(PORTC, PIN0, PORTC_PIN0_LCD_G4, 0);
PORT_Init(PORTC, PIN1, PORTC_PIN1_LCD_G5, 0);
PORT_Init(PORTC, PIN2, PORTC_PIN2_LCD_G6, 0);
PORT_Init(PORTC, PIN3, PORTC_PIN3_LCD_G7, 0);
PORT_Init(PORTB, PIN15, PORTB_PIN15_LCD_B3, 0);
// PORT_Init(PORTA, PIN2, PORTA_PIN2_LCD_B4, 0);
PORT_Init(PORTA, PIN9, PORTA_PIN9_LCD_B5, 0);
PORT_Init(PORTA, PIN10, PORTA_PIN10_LCD_B6, 0);
PORT_Init(PORTA, PIN11, PORTA_PIN11_LCD_B7, 0);
PORT_Init(PORTB, PIN2, PORTB_PIN2_LCD_VSYNC, 0);
PORT_Init(PORTM, PIN8, PORTM_PIN8_LCD_HSYNC, 0);
PORT_Init(PORTM, PIN11, PORTM_PIN11_LCD_DEN, 0);
PORT_Init(PORTB, PIN5, PORTB_PIN5_LCD_DCLK, 0);
LCD_initStruct.ClkDiv = 6;
LCD_initStruct.Format = LCD_FMT_RGB565;
LCD_initStruct.HnPixel = 480;
LCD_initStruct.VnPixel = 272;
LCD_initStruct.Hfp = 5;
LCD_initStruct.Hbp = 40;
LCD_initStruct.Vfp = 8;
LCD_initStruct.Vbp = 8;
LCD_initStruct.HsyncWidth = 5;
LCD_initStruct.VsyncWidth = 5;
LCD_initStruct.DataSource = (uint32_t)lcdbuf_show;
LCD_initStruct.Background = 0xFFFF;
LCD_initStruct.SampleEdge = LCD_SAMPLE_FALL; // ATK-4342 RGBLCD 下降沿采样
LCD_initStruct.IntEOTEn = 1;
LCD_Init(LCD, &LCD_initStruct);
LCD_Start(LCD);
memset(lcdbuf_show, 0, sizeof(lcdbuf_show));
}
void LCD_Handler(void)
{
LCD_INTClr(LCD);
LCD_Start(LCD);
}
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因为之前没发过贴，只是随便弄了一点上来水一水的:D
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