/**
* @brief Initializes the SDRAM device.
* @param None
* @retval None
*/
void BSP_SDRAM_Init(void)
{
/* SDRAM device configuration */
SdramHandle.Instance = FMC_SDRAM_DEVICE;
/* FMC Configuration -------------------------------------------------------*/
/* FMC SDRAM Bank configuration */
/* Timing configuration for 90 Mhz of SD clock frequency (180Mhz/2) */
/* TMRD: 2 Clock cycles */
Timing.LoadToActiveDelay = 2;
/* TXSR: min=70ns (7x11.11ns) */
Timing.ExitSelfRefreshDelay = 7;
/* TRAS: min=42ns (4x11.11ns) max=120k (ns) */
Timing.SelfRefreshTime = 4;
/* TRC: min=70 (7x11.11ns) */
Timing.RowCycleDelay = 7;
/* TWR: min=1+ 7ns (1+1x11.11ns) */
Timing.WriteRecoveryTime = 2;
/* TRP: 20ns => 2x11.11ns*/
Timing.RPDelay = 2;
/* TRCD: 20ns => 2x11.11ns */
Timing.RCDDelay = 2;
/* FMC SDRAM control configuration */
SdramHandle.Init.SDBank = FMC_SDRAM_BANK2;
/* Row addressing: [7:0] */
SdramHandle.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_8;
/* Column addressing: [11:0] */
SdramHandle.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12;
SdramHandle.Init.MemoryDataWidth = SDRAM_MEMORY_WIDTH;
SdramHandle.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;
SdramHandle.Init.CASLatency = SDRAM_CAS_LATENCY;
SdramHandle.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;
SdramHandle.Init.SDClockPeriod = SDCLOCK_PERIOD;
SdramHandle.Init.ReadBurst = SDRAM_READBURST;
SdramHandle.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_1;
/* SDRAM controller initialization */
MspInit();
HAL_SDRAM_Init(&SdramHandle, &Timing);
/* SDRAM initialization sequence */
BSP_SDRAM_Initialization_sequence(REFRESH_COUNT);
}
/**
* @brief Initializes the LCD.
* @param PclkConfig : pixel clock profile
* @retval LCD state
*/
uint8_t BSP_LCD_InitEx(uint32_t PclkConfig)
{
PCLK_profile = PclkConfig;
/* Select the used LCD */
/* The AMPIRE 480x272 does not contain an ID register then we check the availability
of AMPIRE 480x640 LCD using device ID of the STMPE811 mounted on MB1046 daughter board */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE480272_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE480272_HEIGHT;
}
else
{
/* The LCD AMPIRE 640x480 is selected */
/* Timing configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE640480_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE640480_HEIGHT;
}
/* Background value */
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
/* Polarity */
hltdc_eval.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc_eval.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc_eval.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
/* LCD clock configuration */
BSP_LCD_ClockConfig(&hltdc_eval, &PCLK_profile);
MspInit();
HAL_LTDC_Init(&hltdc_eval);
#if !defined(DATA_IN_ExtSDRAM)
/* Initialize the SDRAM */
BSP_SDRAM_Init();
#endif /* DATA_IN_ExtSDRAM */
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
/**
* @brief Initializes the LCD.
* @param None
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
static RCC_PeriphCLKInitTypeDef PeriphClkInitStruct;
/* Select the used LCD */
/* The AMPIRE 480x272 does not contain an ID register then we check the availability
of AMPIRE 480x640 LCD using device ID of the STMPE811 mounted on MB1046 daughter board */
if(stmpe811_ts_drv.ReadID(TS_I2C_ADDRESS) == STMPE811_ID)
{
/* The AMPIRE LCD 480x272 is selected */
/* Timing Configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE480272_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE480272_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE480272_HSYNC + AMPIRE480272_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE480272_VSYNC + AMPIRE480272_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE480272_HEIGHT + AMPIRE480272_VSYNC + AMPIRE480272_VBP + AMPIRE480272_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE480272_WIDTH + AMPIRE480272_HSYNC + AMPIRE480272_HBP + AMPIRE480272_HFP - 1);
/* LCD clock configuration */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 192 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 192/5 = 38.4 Mhz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_4 = 38.4/4 = 9.6Mhz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 192;
PeriphClkInitStruct.PLLSAI.PLLSAIR = AMPIRE480272_FREQUENCY_DIVIDER;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_4;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE480272_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE480272_HEIGHT;
}
else
{
/* The LCD AMPIRE 640x480 is selected */
/* Timing configuration */
hltdc_eval.Init.HorizontalSync = (AMPIRE640480_HSYNC - 1);
hltdc_eval.Init.VerticalSync = (AMPIRE640480_VSYNC - 1);
hltdc_eval.Init.AccumulatedHBP = (AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.AccumulatedVBP = (AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveH = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP - 1);
hltdc_eval.Init.AccumulatedActiveW = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP - 1);
hltdc_eval.Init.TotalHeigh = (AMPIRE640480_HEIGHT + AMPIRE640480_VSYNC + AMPIRE640480_VBP + AMPIRE640480_VFP - 1);
hltdc_eval.Init.TotalWidth = (AMPIRE640480_WIDTH + AMPIRE640480_HSYNC + AMPIRE640480_HBP + AMPIRE640480_HFP - 1);
/* LCD clock configuration */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 108 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 108/3 = 36 Mhz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_2 = 36/2 = 18 Mhz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 108;
PeriphClkInitStruct.PLLSAI.PLLSAIR = AMPIRE640480_FREQUENCY_DIVIDER;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_2;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Initialize the LCD pixel width and pixel height */
hltdc_eval.LayerCfg->ImageWidth = AMPIRE640480_WIDTH;
hltdc_eval.LayerCfg->ImageHeight = AMPIRE640480_HEIGHT;
}
/* Background value */
hltdc_eval.Init.Backcolor.Blue = 0;
hltdc_eval.Init.Backcolor.Green = 0;
hltdc_eval.Init.Backcolor.Red = 0;
/* Polarity */
hltdc_eval.Init.HSPolarity = LTDC_HSPOLARITY_AL;
hltdc_eval.Init.VSPolarity = LTDC_VSPOLARITY_AL;
hltdc_eval.Init.DEPolarity = LTDC_DEPOLARITY_AL;
hltdc_eval.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
hltdc_eval.Instance = LTDC;
MspInit();
HAL_LTDC_Init(&hltdc_eval);
#if !defined(DATA_IN_ExtSDRAM)
/* Initialize the SDRAM */
BSP_SDRAM_Init();
#endif /* DATA_IN_ExtSDRAM */
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
/**
* @brief Initializes the LCD.
* @param None
* @retval LCD state
*/
uint8_t BSP_LCD_Init(void)
{
/* On STM32F1, it is not possible to read ILI9341 ID because */
/* PIN EXTC is not connected to VDD and then LCD_READ_ID4 is not accessible. */
/* In this case, ReadID function is bypassed.*/
/*if(ili9341_drv.ReadID() == ILI9341_ID)*/
/* LTDC Configuration ----------------------------------------------------*/
LtdcHandler.Instance = LTDC;
/* Timing configuration (Typical configuration from ILI9341 datasheet)
HSYNC=10 (9+1)
HBP=20 (29-10+1)
ActiveW=240 (269-20-10+1)
HFP=10 (279-240-20-10+1)
VSYNC=2 (1+1)
VBP=2 (3-2+1)
ActiveH=320 (323-2-2+1)
VFP=4 (327-320-2-2+1)
*/
/* Configure horizontal synchronization width */
LtdcHandler.Init.HorizontalSync = ILI9341_HSYNC;
/* Configure vertical synchronization height */
LtdcHandler.Init.VerticalSync = ILI9341_VSYNC;
/* Configure accumulated horizontal back porch */
LtdcHandler.Init.AccumulatedHBP = ILI9341_HBP;
/* Configure accumulated vertical back porch */
LtdcHandler.Init.AccumulatedVBP = ILI9341_VBP;
/* Configure accumulated active width */
LtdcHandler.Init.AccumulatedActiveW = 269;
/* Configure accumulated active height */
LtdcHandler.Init.AccumulatedActiveH = 323;
/* Configure total width */
LtdcHandler.Init.TotalWidth = 279;
/* Configure total height */
LtdcHandler.Init.TotalHeigh = 327;
/* Configure R,G,B component values for LCD background color */
LtdcHandler.Init.Backcolor.Red= 0;
LtdcHandler.Init.Backcolor.Blue= 0;
LtdcHandler.Init.Backcolor.Green= 0;
/* LCD clock configuration */
/* PLLSAI_VCO Input = HSE_VALUE/PLL_M = 1 Mhz */
/* PLLSAI_VCO Output = PLLSAI_VCO Input * PLLSAIN = 192 Mhz */
/* PLLLCDCLK = PLLSAI_VCO Output/PLLSAIR = 192/4 = 48 Mhz */
/* LTDC clock frequency = PLLLCDCLK / LTDC_PLLSAI_DIVR_8 = 48/4 = 6Mhz */
PeriphClkInitStruct.PeriphClockSelection = RCC_PERIPHCLK_LTDC;
PeriphClkInitStruct.PLLSAI.PLLSAIN = 192;
PeriphClkInitStruct.PLLSAI.PLLSAIR = 4;
PeriphClkInitStruct.PLLSAIDivR = RCC_PLLSAIDIVR_8;
HAL_RCCEx_PeriphCLKConfig(&PeriphClkInitStruct);
/* Polarity */
LtdcHandler.Init.HSPolarity = LTDC_HSPOLARITY_AL;
LtdcHandler.Init.VSPolarity = LTDC_VSPOLARITY_AL;
LtdcHandler.Init.DEPolarity = LTDC_DEPOLARITY_AL;
LtdcHandler.Init.PCPolarity = LTDC_PCPOLARITY_IPC;
MspInit();
HAL_LTDC_Init(&LtdcHandler);
/* Select the device */
LcdDrv = &ili9341_drv;
/* LCD Init */
LcdDrv->Init();
/* Initialize the SDRAM */
BSP_SDRAM_Init();
/* Initialize the font */
BSP_LCD_SetFont(&LCD_DEFAULT_FONT);
return LCD_OK;
}
