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Hi Couple days ago, I tried to interface STM32F030C8 dev. board with TFT display like on the picture with ILI9486 driver Through 8Bit Data line interface . But, it is not Working.

stm.1
Associate II

‎2022-06-01 12:45 AM

0693W00000Nqzv4QAB.jpg

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stm.1
Associate II

‎2022-06-01 12:46 AM

#include "main.h"

void SystemClock_Config(void);

static void MX_GPIO_Init(void);

/* USER CODE BEGIN PFP */

void TFT_Send_A_2Byte_To_TFT_DataPins(uint32_t character)

{

HAL_GPIO_WritePin(TFT_D0_GPIO_Port, TFT_D0_Pin, (character & 0b0000000000000001)>>0);

HAL_GPIO_WritePin(TFT_D1_GPIO_Port, TFT_D1_Pin, (character & 0b0000000000000010)>>1);

HAL_GPIO_WritePin(TFT_D2_GPIO_Port, TFT_D2_Pin, (character & 0b0000000000000100)>>2);

HAL_GPIO_WritePin(TFT_D3_GPIO_Port, TFT_D3_Pin, (character & 0b0000000000001000)>>3);

HAL_GPIO_WritePin(TFT_D4_GPIO_Port, TFT_D4_Pin, (character & 0b0000000000010000)>>4);

HAL_GPIO_WritePin(TFT_D5_GPIO_Port, TFT_D5_Pin, (character & 0b0000000000100000)>>5);

HAL_GPIO_WritePin(TFT_D6_GPIO_Port, TFT_D6_Pin, (character & 0b0000000001000000)>>6);

HAL_GPIO_WritePin(TFT_D7_GPIO_Port, TFT_D7_Pin, (character & 0b0000000010000000)>>7);

}

void Write_Command(uint32_t Command)

{

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 1);

HAL_GPIO_WritePin(TFT_RST_GPIO_Port, TFT_RST_Pin, 1);

HAL_GPIO_WritePin(TFT_CS_GPIO_Port, TFT_CS_Pin, 0);

HAL_GPIO_WritePin(TFT_RS_GPIO_Port, TFT_RS_Pin, 0);

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 0);

TFT_Send_A_2Byte_To_TFT_DataPins(Command);

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 1);

}

void Write_Data(uint32_t Data)

{

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 1);

HAL_GPIO_WritePin(TFT_RST_GPIO_Port, TFT_RST_Pin, 1);

HAL_GPIO_WritePin(TFT_CS_GPIO_Port, TFT_CS_Pin, 0);

HAL_GPIO_WritePin(TFT_RS_GPIO_Port, TFT_RS_Pin, 1);

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 0);

TFT_Send_A_2Byte_To_TFT_DataPins(Data);

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 1);

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 0);

TFT_Send_A_2Byte_To_TFT_DataPins(Data<<8);

HAL_GPIO_WritePin(TFT_WR_GPIO_Port, TFT_WR_Pin, 1);

}

void Initialization()

{ //******* Reset tft driver ***************

HAL_GPIO_WritePin(TFT_RST_GPIO_Port, TFT_RST_Pin, 1);

HAL_Delay(1);

HAL_GPIO_WritePin(TFT_RST_GPIO_Port, TFT_RST_Pin, 0);

HAL_Delay(10); // Delay 10ms // This delay time is necessary

HAL_GPIO_WritePin(TFT_RST_GPIO_Port, TFT_RST_Pin, 1);

HAL_Delay(120);

//************* Start Initial Sequence **********//

 Write_Command(0xF2);

 Write_Data(0x18);

 Write_Data(0xA3);

 Write_Data(0x12);

 Write_Data(0x02);

 Write_Data(0xB2);

 Write_Data(0x12);

 Write_Data(0xFF);

 Write_Data(0x10);

 Write_Data(0x00);

 Write_Command(0xF1);

 Write_Data(0x36);

 Write_Data(0xA4);

 Write_Command(0xF8);

 Write_Data(0x21);

 Write_Data(0x04);

 Write_Command(0xF9);

 Write_Data(0x00);

 Write_Data(0x08);

 Write_Command(0x36); //Memory Access Control

 Write_Data(0x08);

 Write_Command(0xB4); //Display Inversion Control

 Write_Data(0x00);

 Write_Command(0xC1); //Power Control 2

 Write_Data(0x41);

 //Write_Data(0x00);

 Write_Command(0xC5); //VCOM Control

 Write_Data(0x08); //is used to set factor to generate VCOM voltage from the reference voltage VREG2OUT.

 Write_Command(0xC0); //Power Control 1

 Write_Data(0x0D);

 Write_Data(0x0D);

 Write_Command(0xC2); //Power Control 3

 Write_Data(0x00);

 Write_Command(0xE0); // PGAMCTRL (Positive Gamma Control)

 Write_Data(0x0F);

 Write_Data(0x24);

 Write_Data(0x1C);

 Write_Data(0x0A);

 Write_Data(0x0F);

 Write_Data(0x08);

 Write_Data(0x43);

 Write_Data(0x88);

 Write_Data(0x32);

 Write_Data(0x0F);

 Write_Data(0x10);

 Write_Data(0x06);

 Write_Data(0x0F);

 Write_Data(0x07);

 Write_Data(0x00);

 Write_Command(0xE1); // NGAMCTRL (Negative Gamma Control)

 Write_Data(0x0F);

 Write_Data(0x38);

 Write_Data(0x30);

 Write_Data(0x09);

 Write_Data(0x0F);

 Write_Data(0x0F);

 Write_Data(0x4E);

 Write_Data(0x77);

 Write_Data(0x3C);

 Write_Data(0x07);

 Write_Data(0x10);

 Write_Data(0x05);

 Write_Data(0x23);

 Write_Data(0x1B);

 Write_Data(0x00);

 Write_Command(0xE2); // Digital Gamma Control 1

 Write_Data(0x0F);

 Write_Data(0x32);

 Write_Data(0x2E);

 Write_Data(0x0B);

 Write_Data(0x0D);

 Write_Data(0x05);

 Write_Data(0x47);

 Write_Data(0x75);

 Write_Data(0x37);

 Write_Data(0x06);

 Write_Data(0x10);

 Write_Data(0x03);

 Write_Data(0x24);

 Write_Data(0x20);

 Write_Data(0x00);

 Write_Command(0xB6); //Display Function Control

 Write_Data(0x00);

 Write_Data(0x22); //0x42=Rotation 180 degrees //0x22

 Write_Data(0x3B);

 Write_Command(0x20); // Display Inversion OFF

 //Write_Data(0xC8); //C8???

 Write_Command(0x3A); // Interface Pixel Format

 Write_Data(0x55);

 Write_Command(0x2A); // Column Address Set

 Write_Data(0x00);

 Write_Data(0x00);

 Write_Data(0x01);

 Write_Data(0x3F);

 Write_Command(0x2B); // Page Address Set

 Write_Data(0x00);

 Write_Data(0x00);

 Write_Data(0x01);

 Write_Data(0xDF);

 Write_Command(0x11); //Sleep out

 HAL_Delay(120);

 Write_Command(0x38); //Idle Mode Off

 Write_Command(0x13); //Normal Mode On

 Write_Command(0x29); // Display ON

}

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stm.1
Associate II

‎2022-06-01 12:46 AM

/**

 * @brief The application entry point.

 * @retval int

 */

int main(void)

{

 HAL_Init();

 SystemClock_Config();

 /* USER CODE BEGIN SysInit */

 /* USER CODE END SysInit */

 /* Initialize all configured peripherals */

 MX_GPIO_Init();

 /* USER CODE BEGIN 2 */

Initialization();

 Write_Command(0x2C); // Memory Write

 HAL_Delay(1);

for(int i=0;i<(480);i++)

{

for(int j=0;j<320;j++)

{

if(i==360)

{

Write_Data(0xFFFF); //White Color

}

if(i==240)

{

Write_Data(0x07E0); //Green Color

}

if(i==120)

{

Write_Data(0xFFE0); //Yellow Color

}

if(j==160)

{

Write_Data(0x0001F); //Blue Color

}

else

{

Write_Data(0xF800); //Red Color

}

}

}

 while (1)

 {

  /* USER CODE END WHILE */

  /* USER CODE BEGIN 3 */

 }

 /* USER CODE END 3 */

}

void SystemClock_Config(void)

{

 RCC_OscInitTypeDef RCC_OscInitStruct = {0};

 RCC_ClkInitTypeDef RCC_ClkInitStruct = {0};

 RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI;

 RCC_OscInitStruct.HSIState = RCC_HSI_ON;

 RCC_OscInitStruct.HSICalibrationValue = RCC_HSICALIBRATION_DEFAULT;

 RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;

 if (HAL_RCC_OscConfig(&RCC_OscInitStruct) != HAL_OK)

 {

  Error_Handler();

 }

 /** Initializes the CPU, AHB and APB buses clocks

 */

 RCC_ClkInitStruct.ClockType = RCC_CLOCKTYPE_HCLK|RCC_CLOCKTYPE_SYSCLK

               |RCC_CLOCKTYPE_PCLK1;

 RCC_ClkInitStruct.SYSCLKSource = RCC_SYSCLKSOURCE_HSI;

 RCC_ClkInitStruct.AHBCLKDivider = RCC_SYSCLK_DIV1;

 RCC_ClkInitStruct.APB1CLKDivider = RCC_HCLK_DIV1;

 if (HAL_RCC_ClockConfig(&RCC_ClkInitStruct, FLASH_LATENCY_0) != HAL_OK)

 {

  Error_Handler();

 }

}

static void MX_GPIO_Init(void)

{

 GPIO_InitTypeDef GPIO_InitStruct = {0};

 /* GPIO Ports Clock Enable */

 __HAL_RCC_GPIOB_CLK_ENABLE();

 __HAL_RCC_GPIOA_CLK_ENABLE();

 /*Configure GPIO pin Output Level */

 HAL_GPIO_WritePin(GPIOB, TFT_D7_Pin|TFT_D6_Pin|TFT_D5_Pin|TFT_D4_Pin

             |TFT_D3_Pin|TFT_WR_Pin|TFT_RS_Pin|TFT_CS_Pin

             |TFT_RST_Pin, GPIO_PIN_RESET);

 /*Configure GPIO pin Output Level */

 HAL_GPIO_WritePin(GPIOA, TFT_D2_Pin|TFT_D1_Pin|TFT_D0_Pin|TFT_RD_Pin, GPIO_PIN_RESET);

 /*Configure GPIO pins : TFT_D7_Pin TFT_D6_Pin TFT_D5_Pin TFT_D4_Pin

              TFT_D3_Pin TFT_WR_Pin TFT_RS_Pin TFT_CS_Pin

              TFT_RST_Pin */

 GPIO_InitStruct.Pin = TFT_D7_Pin|TFT_D6_Pin|TFT_D5_Pin|TFT_D4_Pin

             |TFT_D3_Pin|TFT_WR_Pin|TFT_RS_Pin|TFT_CS_Pin

             |TFT_RST_Pin;

 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

 GPIO_InitStruct.Pull = GPIO_NOPULL;

 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

 HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);

 /*Configure GPIO pins : TFT_D2_Pin TFT_D1_Pin TFT_D0_Pin TFT_RD_Pin */

 GPIO_InitStruct.Pin = TFT_D2_Pin|TFT_D1_Pin|TFT_D0_Pin|TFT_RD_Pin;

 GPIO_InitStruct.Mode = GPIO_MODE_OUTPUT_PP;

 GPIO_InitStruct.Pull = GPIO_NOPULL;

 GPIO_InitStruct.Speed = GPIO_SPEED_FREQ_LOW;

 HAL_GPIO_Init(GPIOA, &GPIO_InitStruct);

}

/* USER CODE BEGIN 4 */

/* USER CODE END 4 */

void Error_Handler(void)

{

 /* USER CODE BEGIN Error_Handler_Debug */

 /* User can add his own implementation to report the HAL error return state */

 __disable_irq();

 while (1)

 {

 }

 /* USER CODE END Error_Handler_Debug */

}

#ifdef USE_FULL_ASSERT

void assert_failed(uint8_t *file, uint32_t line)

{

}

#endif /* USE_FULL_ASSERT */

/**

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