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Marlin Color UI (FSMC) for STM32F1 (#18952)
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@rhapsodyv
rhapsodyv authored Aug 8, 2020
1 parent b84c690 commit ee69fb0
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6 changes: 3 additions & 3 deletions Marlin/src/HAL/STM32F1/inc/Conditionals_LCD.h
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#undef SD_CHECK_AND_RETRY
#endif

#if HAS_GRAPHICAL_TFT
#error "Sorry! TFT displays are not available for HAL/STM32F1."
#if HAS_SPI_TFT
#error "Sorry! SPI TFT displays are not available for HAL/STM32F1 (yet)."
#endif

// This platform has 'touch/xpt2046', not 'tft/xpt2046'
#if ENABLED(TOUCH_SCREEN)
#if ENABLED(TOUCH_SCREEN) && !HAS_FSMC_TFT
#undef TOUCH_SCREEN
#undef TOUCH_SCREEN_CALIBRATION
#define HAS_TOUCH_XPT2046 1
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236 changes: 236 additions & 0 deletions Marlin/src/HAL/STM32F1/tft/tft_fsmc.cpp
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/**
* 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/>.
*
*/

#include "../../../inc/MarlinConfig.h"

#if HAS_FSMC_TFT

#include "tft_fsmc.h"
#include <libmaple/fsmc.h>
#include <libmaple/gpio.h>
#include <libmaple/dma.h>

LCD_CONTROLLER_TypeDef *TFT_FSMC::LCD;

/**
* FSMC LCD IO
*/
#define __ASM __asm
#define __STATIC_INLINE static inline

__attribute__((always_inline)) __STATIC_INLINE void __DSB() {
__ASM volatile ("dsb 0xF":::"memory");
}

#define FSMC_CS_NE1 PD7

#if ENABLED(STM32_XL_DENSITY)
#define FSMC_CS_NE2 PG9
#define FSMC_CS_NE3 PG10
#define FSMC_CS_NE4 PG12

#define FSMC_RS_A0 PF0
#define FSMC_RS_A1 PF1
#define FSMC_RS_A2 PF2
#define FSMC_RS_A3 PF3
#define FSMC_RS_A4 PF4
#define FSMC_RS_A5 PF5
#define FSMC_RS_A6 PF12
#define FSMC_RS_A7 PF13
#define FSMC_RS_A8 PF14
#define FSMC_RS_A9 PF15
#define FSMC_RS_A10 PG0
#define FSMC_RS_A11 PG1
#define FSMC_RS_A12 PG2
#define FSMC_RS_A13 PG3
#define FSMC_RS_A14 PG4
#define FSMC_RS_A15 PG5
#endif

#define FSMC_RS_A16 PD11
#define FSMC_RS_A17 PD12
#define FSMC_RS_A18 PD13
#define FSMC_RS_A19 PE3
#define FSMC_RS_A20 PE4
#define FSMC_RS_A21 PE5
#define FSMC_RS_A22 PE6
#define FSMC_RS_A23 PE2

#if ENABLED(STM32_XL_DENSITY)
#define FSMC_RS_A24 PG13
#define FSMC_RS_A25 PG14
#endif

/* Timing configuration */
#define FSMC_ADDRESS_SETUP_TIME 15 // AddressSetupTime
#define FSMC_DATA_SETUP_TIME 15 // DataSetupTime

static uint8_t fsmcInit = 0;
void TFT_FSMC::Init() {
uint8_t cs = FSMC_CS_PIN, rs = FSMC_RS_PIN;
uint32_t controllerAddress;

#if PIN_EXISTS(TFT_RESET)
OUT_WRITE(TFT_RESET_PIN, HIGH);
delay(100);
#endif

#if PIN_EXISTS(TFT_BACKLIGHT)
OUT_WRITE(TFT_BACKLIGHT_PIN, HIGH);
#endif

struct fsmc_nor_psram_reg_map* fsmcPsramRegion;

if (fsmcInit) return;
fsmcInit = 1;

switch (cs) {
case FSMC_CS_NE1: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION1; fsmcPsramRegion = FSMC_NOR_PSRAM1_BASE; break;
#if ENABLED(STM32_XL_DENSITY)
case FSMC_CS_NE2: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION2; fsmcPsramRegion = FSMC_NOR_PSRAM2_BASE; break;
case FSMC_CS_NE3: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION3; fsmcPsramRegion = FSMC_NOR_PSRAM3_BASE; break;
case FSMC_CS_NE4: controllerAddress = (uint32_t)FSMC_NOR_PSRAM_REGION4; fsmcPsramRegion = FSMC_NOR_PSRAM4_BASE; break;
#endif
default: return;
}

#define _ORADDR(N) controllerAddress |= (_BV32(N) - 2)

switch (rs) {
#if ENABLED(STM32_XL_DENSITY)
case FSMC_RS_A0: _ORADDR( 1); break;
case FSMC_RS_A1: _ORADDR( 2); break;
case FSMC_RS_A2: _ORADDR( 3); break;
case FSMC_RS_A3: _ORADDR( 4); break;
case FSMC_RS_A4: _ORADDR( 5); break;
case FSMC_RS_A5: _ORADDR( 6); break;
case FSMC_RS_A6: _ORADDR( 7); break;
case FSMC_RS_A7: _ORADDR( 8); break;
case FSMC_RS_A8: _ORADDR( 9); break;
case FSMC_RS_A9: _ORADDR(10); break;
case FSMC_RS_A10: _ORADDR(11); break;
case FSMC_RS_A11: _ORADDR(12); break;
case FSMC_RS_A12: _ORADDR(13); break;
case FSMC_RS_A13: _ORADDR(14); break;
case FSMC_RS_A14: _ORADDR(15); break;
case FSMC_RS_A15: _ORADDR(16); break;
#endif
case FSMC_RS_A16: _ORADDR(17); break;
case FSMC_RS_A17: _ORADDR(18); break;
case FSMC_RS_A18: _ORADDR(19); break;
case FSMC_RS_A19: _ORADDR(20); break;
case FSMC_RS_A20: _ORADDR(21); break;
case FSMC_RS_A21: _ORADDR(22); break;
case FSMC_RS_A22: _ORADDR(23); break;
case FSMC_RS_A23: _ORADDR(24); break;
#if ENABLED(STM32_XL_DENSITY)
case FSMC_RS_A24: _ORADDR(25); break;
case FSMC_RS_A25: _ORADDR(26); break;
#endif
default: return;
}

rcc_clk_enable(RCC_FSMC);

gpio_set_mode(GPIOD, 14, GPIO_AF_OUTPUT_PP); // FSMC_D00
gpio_set_mode(GPIOD, 15, GPIO_AF_OUTPUT_PP); // FSMC_D01
gpio_set_mode(GPIOD, 0, GPIO_AF_OUTPUT_PP); // FSMC_D02
gpio_set_mode(GPIOD, 1, GPIO_AF_OUTPUT_PP); // FSMC_D03
gpio_set_mode(GPIOE, 7, GPIO_AF_OUTPUT_PP); // FSMC_D04
gpio_set_mode(GPIOE, 8, GPIO_AF_OUTPUT_PP); // FSMC_D05
gpio_set_mode(GPIOE, 9, GPIO_AF_OUTPUT_PP); // FSMC_D06
gpio_set_mode(GPIOE, 10, GPIO_AF_OUTPUT_PP); // FSMC_D07
gpio_set_mode(GPIOE, 11, GPIO_AF_OUTPUT_PP); // FSMC_D08
gpio_set_mode(GPIOE, 12, GPIO_AF_OUTPUT_PP); // FSMC_D09
gpio_set_mode(GPIOE, 13, GPIO_AF_OUTPUT_PP); // FSMC_D10
gpio_set_mode(GPIOE, 14, GPIO_AF_OUTPUT_PP); // FSMC_D11
gpio_set_mode(GPIOE, 15, GPIO_AF_OUTPUT_PP); // FSMC_D12
gpio_set_mode(GPIOD, 8, GPIO_AF_OUTPUT_PP); // FSMC_D13
gpio_set_mode(GPIOD, 9, GPIO_AF_OUTPUT_PP); // FSMC_D14
gpio_set_mode(GPIOD, 10, GPIO_AF_OUTPUT_PP); // FSMC_D15

gpio_set_mode(GPIOD, 4, GPIO_AF_OUTPUT_PP); // FSMC_NOE
gpio_set_mode(GPIOD, 5, GPIO_AF_OUTPUT_PP); // FSMC_NWE

gpio_set_mode(PIN_MAP[cs].gpio_device, PIN_MAP[cs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_CS_NEx
gpio_set_mode(PIN_MAP[rs].gpio_device, PIN_MAP[rs].gpio_bit, GPIO_AF_OUTPUT_PP); //FSMC_RS_Ax

fsmcPsramRegion->BCR = FSMC_BCR_WREN | FSMC_BCR_MTYP_SRAM | FSMC_BCR_MWID_16BITS | FSMC_BCR_MBKEN;
fsmcPsramRegion->BTR = (FSMC_DATA_SETUP_TIME << 8) | FSMC_ADDRESS_SETUP_TIME;

afio_remap(AFIO_REMAP_FSMC_NADV);

LCD = (LCD_CONTROLLER_TypeDef*)controllerAddress;
}

void TFT_FSMC::Transmit(uint16_t Data) {
LCD->RAM = Data;
__DSB();
}

void TFT_FSMC::WriteReg(uint16_t Reg) {
LCD->REG = Reg;
__DSB();
}

uint32_t TFT_FSMC::GetID() {
uint32_t id;
WriteReg(0x0000);
id = LCD->RAM;

if (id == 0)
id = ReadID(LCD_READ_ID);
if ((id & 0xFFFF) == 0 || (id & 0xFFFF) == 0xFFFF)
id = ReadID(LCD_READ_ID4);
return id;
}

uint32_t TFT_FSMC::ReadID(uint16_t Reg) {
uint32_t id;
WriteReg(Reg);
id = LCD->RAM; // dummy read
id = Reg << 24;
id |= (LCD->RAM & 0x00FF) << 16;
id |= (LCD->RAM & 0x00FF) << 8;
id |= LCD->RAM & 0x00FF;
return id;
}

bool TFT_FSMC::isBusy() {
return false;
}

void TFT_FSMC::Abort() {

}

void TFT_FSMC::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
dma_setup_transfer(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Data, DMA_SIZE_16BITS, &LCD->RAM, DMA_SIZE_16BITS, DMA_MEM_2_MEM | MemoryIncrease);
dma_set_num_transfers(FSMC_DMA_DEV, FSMC_DMA_CHANNEL, Count);
dma_clear_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
dma_enable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);

while ((dma_get_isr_bits(FSMC_DMA_DEV, FSMC_DMA_CHANNEL) & 0x0A) == 0) {};
dma_disable(FSMC_DMA_DEV, FSMC_DMA_CHANNEL);
}

#endif // HAS_FSMC_TFT
64 changes: 64 additions & 0 deletions Marlin/src/HAL/STM32F1/tft/tft_fsmc.h
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/**
* 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

#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

#include <libmaple/dma.h>

#define DATASIZE_8BIT DMA_SIZE_8BITS
#define DATASIZE_16BIT DMA_SIZE_16BITS
#define TFT_IO TFT_FSMC

typedef struct {
__IO uint16_t REG;
__IO uint16_t RAM;
} LCD_CONTROLLER_TypeDef;

class TFT_FSMC {
private:
static LCD_CONTROLLER_TypeDef *LCD;

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);

public:
static void Init();
static uint32_t GetID();
static bool isBusy();
static void Abort();

static void DataTransferBegin(uint16_t DataWidth = DATASIZE_16BIT) {};
static void DataTransferEnd() {};

static void WriteData(uint16_t Data) { Transmit(Data); }
static void WriteReg(uint16_t Reg);

static void WriteSequence(uint16_t *Data, uint16_t Count) { TransmitDMA(DMA_PINC_MODE, Data, Count); }
static void WriteMultiple(uint16_t Color, uint16_t Count) { static uint16_t Data; Data = Color; TransmitDMA(DMA_CIRC_MODE, &Data, Count); }
};
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