mirror of
https://github.com/goodtft/LCD-show.git
synced 2024-12-03 23:24:16 +01:00
136 lines
4.3 KiB
C++
136 lines
4.3 KiB
C++
#include "config.h"
|
|
|
|
#ifdef MPI3501
|
|
|
|
#include "spi.h"
|
|
|
|
#include <memory.h>
|
|
#include <stdio.h>
|
|
|
|
void ChipSelectHigh()
|
|
{
|
|
WAIT_SPI_FINISHED();
|
|
CLEAR_GPIO(GPIO_SPI0_CE0); // Enable Touch
|
|
SET_GPIO(GPIO_SPI0_CE0); // Disable Touch
|
|
__sync_synchronize();
|
|
SET_GPIO(GPIO_SPI0_CE1); // Disable Display
|
|
CLEAR_GPIO(GPIO_SPI0_CE1); // Enable Display
|
|
__sync_synchronize();
|
|
}
|
|
|
|
void InitKeDeiV63()
|
|
{
|
|
// If a Reset pin is defined, toggle it briefly high->low->high to enable the device. Some devices do not have a reset pin, in which case compile with GPIO_TFT_RESET_PIN left undefined.
|
|
#if defined(GPIO_TFT_RESET_PIN) && GPIO_TFT_RESET_PIN >= 0
|
|
printf("Resetting display at reset GPIO pin %d\n", GPIO_TFT_RESET_PIN);
|
|
SET_GPIO_MODE(GPIO_TFT_RESET_PIN, 1);
|
|
SET_GPIO(GPIO_TFT_RESET_PIN);
|
|
usleep(120 * 1000);
|
|
CLEAR_GPIO(GPIO_TFT_RESET_PIN);
|
|
usleep(120 * 1000);
|
|
SET_GPIO(GPIO_TFT_RESET_PIN);
|
|
usleep(120 * 1000);
|
|
#endif
|
|
|
|
// For sanity, start with both Chip selects high to ensure that the display will see a high->low enable transition when we start.
|
|
SET_GPIO(GPIO_SPI0_CE0); // Disable Touch
|
|
SET_GPIO(GPIO_SPI0_CE1); // Disable Display
|
|
usleep(1000);
|
|
|
|
// Do the initialization with a very low SPI bus speed, so that it will succeed even if the bus speed chosen by the user is too high.
|
|
spi->clk = 34;
|
|
__sync_synchronize();
|
|
|
|
BEGIN_SPI_COMMUNICATION();
|
|
{
|
|
CLEAR_GPIO(GPIO_SPI0_CE0); // Enable Touch
|
|
CLEAR_GPIO(GPIO_SPI0_CE1); // Enable Display
|
|
|
|
BEGIN_SPI_COMMUNICATION();
|
|
|
|
usleep(25*1000);
|
|
|
|
SET_GPIO(GPIO_SPI0_CE0); // Disable Touch
|
|
usleep(25*1000);
|
|
|
|
SPI_TRANSFER(0x00000000); // This command seems to be Reset
|
|
usleep(120*1000);
|
|
|
|
SPI_TRANSFER(0x00000100);
|
|
usleep(50*1000);
|
|
SPI_TRANSFER(0x00001100);
|
|
usleep(60*1000);
|
|
|
|
SPI_TRANSFER(0xB9001100, 0x00, 0xFF, 0x00, 0x83, 0x00, 0x57);
|
|
usleep(5*1000);
|
|
|
|
SPI_TRANSFER(0xB6001100, 0x00, 0x2C);
|
|
SPI_TRANSFER(0x11001100/*Sleep Out*/);
|
|
usleep(150*1000);
|
|
|
|
SPI_TRANSFER(0x3A001100/*Interface Pixel Format*/, 0x00, 0x55);
|
|
SPI_TRANSFER(0xB0001100, 0x00, 0x68);
|
|
SPI_TRANSFER(0xCC001100, 0x00, 0x09);
|
|
SPI_TRANSFER(0xB3001100, 0x00, 0x43, 0x00, 0x00, 0x00, 0x06, 0x00, 0x06);
|
|
SPI_TRANSFER(0xB1001100, 0x00, 0x00, 0x00, 0x15, 0x00, 0x1C, 0x00, 0x1C, 0x00, 0x83, 0x00, 0x44);
|
|
SPI_TRANSFER(0xC0001100, 0x00, 0x24, 0x00, 0x24, 0x00, 0x01, 0x00, 0x3C, 0x00, 0x1E, 0x00, 0x08);
|
|
SPI_TRANSFER(0xB4001100, 0x00, 0x02, 0x00, 0x40, 0x00, 0x00, 0x00, 0x2A, 0x00, 0x2A, 0x00, 0x0D, 0x00, 0x4F);
|
|
SPI_TRANSFER(0xE0001100, 0x00, 0x02, 0x00, 0x08, 0x00, 0x11, 0x00, 0x23, 0x00, 0x2C, 0x00, 0x40, 0x00, 0x4A, 0x00, 0x52, 0x00, 0x48, 0x00, 0x41, 0x00, 0x3C, 0x00, 0x33, 0x00, 0x2E, 0x00, 0x28, 0x00, 0x27, 0x00, 0x1B, 0x00, 0x02, 0x00, 0x08, 0x00, 0x11, 0x00, 0x23, 0x00, 0x2C, 0x00, 0x40, 0x00, 0x4A, 0x00, 0x52, 0x00, 0x48, 0x00, 0x41, 0x00, 0x3C, 0x00, 0x33, 0x00, 0x2E, 0x00, 0x28, 0x00, 0x27, 0x00, 0x1B, 0x00, 0x00, 0x00, 0x01);
|
|
|
|
#define MADCTL_BGR_PIXEL_ORDER (1<<3)
|
|
#define MADCTL_ROW_COLUMN_EXCHANGE (1<<5)
|
|
#define MADCTL_COLUMN_ADDRESS_ORDER_SWAP (1<<6)
|
|
#define MADCTL_ROW_ADDRESS_ORDER_SWAP (1<<7)
|
|
#define MADCTL_ROTATE_180_DEGREES (MADCTL_COLUMN_ADDRESS_ORDER_SWAP | MADCTL_ROW_ADDRESS_ORDER_SWAP)
|
|
|
|
uint8_t madctl = 0;
|
|
#ifndef DISPLAY_SWAP_BGR
|
|
madctl |= MADCTL_BGR_PIXEL_ORDER;
|
|
#endif
|
|
#if defined(DISPLAY_FLIP_ORIENTATION_IN_HARDWARE)
|
|
madctl |= MADCTL_ROW_COLUMN_EXCHANGE;
|
|
#endif
|
|
#ifdef DISPLAY_ROTATE_180_DEGREES
|
|
madctl ^= MADCTL_ROTATE_180_DEGREES;
|
|
#endif
|
|
SPI_TRANSFER(0x36001100/*MADCTL: Memory Access Control*/, 0x00, madctl);
|
|
|
|
SPI_TRANSFER(0x29001100/*Display ON*/);
|
|
|
|
usleep(200*1000);
|
|
|
|
ClearScreen();
|
|
}
|
|
#ifndef USE_DMA_TRANSFERS // For DMA transfers, keep SPI CS & TA active.
|
|
END_SPI_COMMUNICATION();
|
|
#endif
|
|
|
|
// And speed up to the desired operation speed finally after init is done.
|
|
usleep(10 * 1000); // Delay a bit before restoring CLK, or otherwise this has been observed to cause the display not init if done back to back after the clear operation above.
|
|
spi->clk = SPI_BUS_CLOCK_DIVISOR;
|
|
}
|
|
|
|
void TurnBacklightOff()
|
|
{
|
|
}
|
|
|
|
void TurnBacklightOn()
|
|
{
|
|
}
|
|
|
|
void TurnDisplayOff()
|
|
{
|
|
}
|
|
|
|
void TurnDisplayOn()
|
|
{
|
|
}
|
|
|
|
void DeinitSPIDisplay()
|
|
{
|
|
ClearScreen();
|
|
TurnDisplayOff();
|
|
}
|
|
|
|
#endif
|