85 lines
2.9 KiB
C++
85 lines
2.9 KiB
C++
/**
|
|
* Marlin 3D Printer Firmware
|
|
* Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
|
|
*
|
|
* Based on Sprinter and grbl.
|
|
* Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <https://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
#pragma once
|
|
|
|
#ifdef STM32F1xx
|
|
#include "stm32f1xx_hal.h"
|
|
#elif defined(STM32F4xx)
|
|
#include "stm32f4xx_hal.h"
|
|
#else
|
|
#error SPI TFT is currently only supported on STM32F1 and STM32F4 hardware.
|
|
#endif
|
|
|
|
#ifndef LCD_READ_ID
|
|
#define LCD_READ_ID 0x04 // Read display identification information (0xD3 on ILI9341)
|
|
#endif
|
|
#ifndef LCD_READ_ID4
|
|
#define LCD_READ_ID4 0xD3 // Read display identification information (0xD3 on ILI9341)
|
|
#endif
|
|
|
|
#define DATASIZE_8BIT SPI_DATASIZE_8BIT
|
|
#define DATASIZE_16BIT SPI_DATASIZE_16BIT
|
|
#define TFT_IO_DRIVER TFT_SPI
|
|
|
|
class TFT_SPI {
|
|
private:
|
|
static SPI_HandleTypeDef SPIx;
|
|
|
|
|
|
static uint32_t ReadID(uint16_t Reg);
|
|
static void Transmit(uint16_t Data);
|
|
static void TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
|
|
#if ENABLED(USE_SPI_DMA_TC)
|
|
static void TransmitDMA_IT(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count);
|
|
#endif
|
|
|
|
public:
|
|
static DMA_HandleTypeDef DMAtx;
|
|
|
|
static void Init();
|
|
static uint32_t GetID();
|
|
static bool isBusy();
|
|
static void Abort();
|
|
|
|
static void DataTransferBegin(uint16_t DataWidth = DATASIZE_16BIT);
|
|
static void DataTransferEnd() { WRITE(TFT_CS_PIN, HIGH); };
|
|
static void DataTransferAbort();
|
|
|
|
static void WriteData(uint16_t Data) { Transmit(Data); }
|
|
static void WriteReg(uint16_t Reg) { WRITE(TFT_A0_PIN, LOW); Transmit(Reg); WRITE(TFT_A0_PIN, HIGH); }
|
|
|
|
static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_MINC_ENABLE, Data, Count); }
|
|
|
|
#if ENABLED(USE_SPI_DMA_TC)
|
|
static void WriteSequenceIT(uint16_t *Data, uint16_t Count) { TransmitDMA_IT(DMA_MINC_ENABLE, Data, Count); }
|
|
#endif
|
|
|
|
static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_MINC_DISABLE, &Data, Count); }
|
|
static void WriteMultiple(uint16_t Color, uint32_t Count) {
|
|
static uint16_t Data; Data = Color;
|
|
while (Count > 0) {
|
|
TransmitDMA(DMA_MINC_DISABLE, &Data, Count > 0xFFFF ? 0xFFFF : Count);
|
|
Count = Count > 0xFFFF ? Count - 0xFFFF : 0;
|
|
}
|
|
}
|
|
};
|