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Fix #1188 

Support debugged for ILI9488 TFT with RP2040 processors.
Minor improvements to ESP32 code.
This commit is contained in:
Bodmer 2021-05-15 19:45:33 +01:00
parent 8164629397
commit 5a6ef1d05d
8 changed files with 196 additions and 52 deletions
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37
Processors/TFT_eSPI_ESP32.c
View File

@ -191,6 +191,7 @@ void TFT_eSPI::pushPixels(const void* data_in, uint32_t len)
** Function name: pushBlock - for ESP32
** Description: Write a block of pixels of the same colour
***************************************************************************************/
/*
void TFT_eSPI::pushBlock(uint16_t color, uint32_t len){
uint32_t color32 = (color<<8 | color >>8)<<16 | (color<<8 | color >>8);
@ -236,7 +237,43 @@ void TFT_eSPI::pushBlock(uint16_t color, uint32_t len){
}
while ((*_spi_cmd)&SPI_USR); // Move to later in code to use transmit time usefully?
}
//*/
//*
void TFT_eSPI::pushBlock(uint16_t color, uint32_t len){
volatile uint32_t* spi_w = _spi_w;
uint32_t color32 = (color<<8 | color >>8)<<16 | (color<<8 | color >>8);
uint32_t i = 0;
uint32_t rem = len & 0x1F;
len = len - rem;
// Start with partial buffer pixels
if (rem)
{
while (*_spi_cmd&SPI_USR);
for (i=0; i < rem; i+=2) *spi_w++ = color32;
*_spi_mosi_dlen = (rem << 4) - 1;
*_spi_cmd = SPI_USR;
if (!len) return; //{while (*_spi_cmd&SPI_USR); return; }
i = i>>1; while(i++<16) *spi_w++ = color32;
}
while (*_spi_cmd&SPI_USR);
if (!rem) while (i++<16) *spi_w++ = color32;
*_spi_mosi_dlen = 511;
// End with full buffer to maximise useful time for downstream code
while(len)
{
while (*_spi_cmd&SPI_USR);
*_spi_cmd = SPI_USR;
len -= 32;
}
// Do not wait here
//while (*_spi_cmd&SPI_USR);
}
//*/
/***************************************************************************************
** Function name: pushSwapBytePixels - for ESP32
** Description: Write a sequence of pixels with swapped bytes

44
Processors/TFT_eSPI_ESP32.h
View File

@ -71,6 +71,12 @@
#define DMA_BUSY_CHECK
#endif
#if defined(TFT_PARALLEL_8_BIT)
#define SPI_BUSY_CHECK
#else
#define SPI_BUSY_CHECK while (*_spi_cmd&SPI_USR)
#endif
// If smooth font is used then it is likely SPIFFS will be needed
#ifdef SMOOTH_FONT
// Call up the SPIFFS (SPI FLASH Filing System) for the anti-aliased fonts
@ -382,6 +388,9 @@
spi.transfer(((C) & 0x07E0)>>3); \
spi.transfer(((C) & 0x001F)<<3)
// Future option for transfer without wait
#define tft_Write_16N(C) tft_Write_16(C)
// Convert swapped byte 16 bit colour to 18 bit and write in 3 bytes
#define tft_Write_16S(C) spi.transfer((C) & 0xF8); \
spi.transfer(((C) & 0xE000)>>11 | ((C) & 0x07)<<5); \
@ -415,6 +424,9 @@
// Write 16 bits with corrected endianess for 16 bit colours
#define tft_Write_16(C) TFT_WRITE_BITS((C)<<8 | (C)>>8, 16)
// Future option for transfer without wait
#define tft_Write_16N(C) tft_Write_16(C)
// Write 16 bits
#define tft_Write_16S(C) TFT_WRITE_BITS(C, 16)
@ -432,7 +444,7 @@
// Macros for all other SPI displays
////////////////////////////////////////////////////////////////////////////////////////
#else
/* Old macros
// ESP32 low level SPI writes for 8, 16 and 32 bit values
// to avoid the function call overhead
#define TFT_WRITE_BITS(D, B) \
@ -458,7 +470,37 @@
// Write same value twice
#define tft_Write_32D(C) TFT_WRITE_BITS((uint16_t)((C)<<8 | (C)>>8)<<16 | (uint16_t)((C)<<8 | (C)>>8), 32)
//*/
//* Replacement slimmer macros
#define TFT_WRITE_BITS(D, B) *_spi_mosi_dlen = B-1; \
*_spi_w = D; \
*_spi_cmd = SPI_USR; \
while (*_spi_cmd & SPI_USR);
// Write 8 bits
#define tft_Write_8(C) TFT_WRITE_BITS(C, 8)
// Write 16 bits with corrected endianess for 16 bit colours
#define tft_Write_16(C) TFT_WRITE_BITS((C)<<8 | (C)>>8, 16)
// Future option for transfer without wait
#define tft_Write_16N(C) *_spi_mosi_dlen = 16-1; \
*_spi_w = ((C)<<8 | (C)>>8); \
*_spi_cmd = SPI_USR;
// Write 16 bits
#define tft_Write_16S(C) TFT_WRITE_BITS(C, 16)
// Write 32 bits
#define tft_Write_32(C) TFT_WRITE_BITS(C, 32)
// Write two address coordinates
#define tft_Write_32C(C,D) TFT_WRITE_BITS((uint16_t)((D)<<8 | (D)>>8)<<16 | (uint16_t)((C)<<8 | (C)>>8), 32)
// Write same value twice
#define tft_Write_32D(C) TFT_WRITE_BITS((uint16_t)((C)<<8 | (C)>>8)<<16 | (uint16_t)((C)<<8 | (C)>>8), 32)
//*/
#endif
////////////////////////////////////////////////////////////////////////////////////////

51
Processors/TFT_eSPI_RP2040.c
View File

@ -7,9 +7,14 @@
////////////////////////////////////////////////////////////////////////////////////////
#if !defined (TFT_PARALLEL_8_BIT)
// Select the SPI port to use
//SPIClass& spi = SPI;
// Select the SPI port and board package to use
#ifdef ARDUINO_ARCH_MBED
// Arduino RP2040 board package
MbedSPI spi = MbedSPI(TFT_MISO, TFT_MOSI, TFT_SCLK);
#else
// Community RP2040 board package by Earle Philhower
SPIClass& spi = SPI;
#endif
#endif
#ifdef RP2040_DMA
@ -185,12 +190,31 @@ void TFT_eSPI::pushPixels(const void* data_in, uint32_t len)
***************************************************************************************/
void TFT_eSPI::pushBlock(uint16_t color, uint32_t len)
{
// Split out the colours
uint8_t r = (color & 0xF800)>>8;
uint8_t g = (color & 0x07E0)>>3;
uint8_t b = (color & 0x001F)<<3;
uint16_t r = (color & 0xF800)>>8;
uint16_t g = (color & 0x07E0)>>3;
uint16_t b = (color & 0x001F)<<3;
while ( len-- ) {tft_Write_8(r); tft_Write_8(g); tft_Write_8(b);}
// If more than 32 pixels then change to 16 bit transfers with concatenated pixels
if (len > 32) {
uint32_t rg = r<<8 | g;
uint32_t br = b<<8 | r;
uint32_t gb = g<<8 | b;
// Must wait before changing to 16 bit
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
spi_set_format(spi0, 16, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST);
while ( len > 1 ) {
while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = rg;
while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = br;
while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = gb;
len -= 2;
}
// Must wait before changing back to 8 bit
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
spi_set_format(spi0, 8, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST);
}
// Mop up the remaining pixels
while ( len-- ) {tft_Write_8N(r);tft_Write_8N(g);tft_Write_8N(b);}
}
/***************************************************************************************
@ -202,19 +226,14 @@ void TFT_eSPI::pushPixels(const void* data_in, uint32_t len){
uint16_t *data = (uint16_t*)data_in;
if (_swapBytes) {
while ( len-- ) {
uint16_t color = *data >> 8 | *data << 8;
tft_Write_8((color & 0xF800)>>8);
tft_Write_8((color & 0x07E0)>>3);
tft_Write_8((color & 0x001F)<<3);
data++;
uint32_t col = *data++;
tft_Write_16(col);
}
}
else {
while ( len-- ) {
tft_Write_8((*data & 0xF800)>>8);
tft_Write_8((*data & 0x07E0)>>3);
tft_Write_8((*data & 0x001F)<<3);
data++;
uint32_t col = *data++;
tft_Write_16S(col);
}
}
}

52
Processors/TFT_eSPI_RP2040.h
View File

@ -8,7 +8,7 @@
#ifndef _TFT_eSPI_RP2040H_
#define _TFT_eSPI_RP2040H_
#include "hardware/dma.h"
//#include "hardware/dma.h"
// Processor ID reported by getSetup()
#define PROCESSOR_ID 0x2040
@ -17,7 +17,7 @@
// None
// Processor specific code used by SPI bus transaction begin/end_tft_write functions
#define SET_BUS_WRITE_MODE spi_set_format(spi0, 16, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST)
#define SET_BUS_WRITE_MODE spi_set_format(spi0, 8, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST)
#define SET_BUS_READ_MODE // spi_set_format(spi0, 8, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST)
// Code to check if SPI or DMA is busy, used by SPI bus transaction startWrite and/or endWrite functions
@ -56,6 +56,8 @@
#define DC_C // No macro allocated so it generates no code
#define DC_D // No macro allocated so it generates no code
#else
//#define DC_C sio_hw->gpio_clr = (1ul << TFT_DC)
//#define DC_D sio_hw->gpio_set = (1ul << TFT_DC)
#define DC_C sio_hw->gpio_clr = (1ul << TFT_DC)
#define DC_D sio_hw->gpio_set = (1ul << TFT_DC)
#endif
@ -110,30 +112,44 @@
#if defined (SPI_18BIT_DRIVER) // SPI 18 bit colour
// Write 8 bits to TFT
#define tft_Write_8(C) spi.transfer(C)
#define tft_Write_8(C) spi_get_hw(spi0)->dr = (uint32_t)(C); \
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {}; \
//#define tft_Write_8(C) spi.transfer(C);
#define tft_Write_8N(B) while (!spi_is_writable(spi0)){}; \
spi_get_hw(spi0)->dr = (uint8_t)(B)
// Convert 16 bit colour to 18 bit and write in 3 bytes
#define tft_Write_16(C) spi.transfer(((C) & 0xF800)>>8); \
spi.transfer(((C) & 0x07E0)>>3); \
spi.transfer(((C) & 0x001F)<<3)
#define tft_Write_16(C) tft_Write_8N(((C) & 0xF800)>>8); \
tft_Write_8N(((C) & 0x07E0)>>3); \
tft_Write_8N(((C) & 0x001F)<<3)
// Convert 16 bit colour to 18 bit and write in 3 bytes
#define tft_Write_16N(C) spi.transfer(((C) & 0xF800)>>8); \
spi.transfer(((C) & 0x07E0)>>3); \
spi.transfer(((C) & 0x001F)<<3)
#define tft_Write_16N(C) tft_Write_8N(((C) & 0xF800)>>8); \
tft_Write_8N(((C) & 0x07E0)>>3); \
tft_Write_8N(((C) & 0x001F)<<3)
// Convert swapped byte 16 bit colour to 18 bit and write in 3 bytes
#define tft_Write_16S(C) spi.transfer((C) & 0xF8); \
spi.transfer(((C) & 0xE000)>>11 | ((C) & 0x07)<<5); \
spi.transfer(((C) & 0x1F00)>>5)
#define tft_Write_16S(C) tft_Write_8N((C) & 0xF8); \
tft_Write_8N(((C) & 0xE000)>>11 | ((C) & 0x07)<<5); \
tft_Write_8N(((C) & 0x1F00)>>5)
// Write 32 bits to TFT
#define tft_Write_32(C) spi.transfer16((C)>>16); spi.transfer16((uint16_t)(C))
#define tft_Write_32(C) tft_Write_8N(C>>24); \
tft_Write_8N(C>>16); \
tft_Write_8N(C>>8); \
tft_Write_8N(C)
// Write two address coordinates
#define tft_Write_32C(C,D) spi.transfer16(C); spi.transfer16(D)
#define tft_Write_32C(C,D) tft_Write_8N(C>>8); \
tft_Write_8N(C); \
tft_Write_8N(D>>8); \
tft_Write_8N(D)
// Write same value twice
#define tft_Write_32D(C) spi.transfer16(C); spi.transfer16(C)
#define tft_Write_32D(C) tft_Write_8N(C>>8); \
tft_Write_8N(C); \
tft_Write_8N(C>>8); \
tft_Write_8N(C)
////////////////////////////////////////////////////////////////////////////////////////
// Macros to write commands/pixel colour data to other displays
@ -178,11 +194,11 @@
#define tft_Write_16S(C) while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = (uint32_t)(C)<<8 | (C)>>8
#define tft_Write_32(C) while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = (uint32_t)((C)>>8);spi_get_hw(spi0)->dr = (uint32_t)(C)
#define tft_Write_32(C) spi_get_hw(spi0)->dr = (uint32_t)((C)>>16); spi_get_hw(spi0)->dr = (uint32_t)(C)
#define tft_Write_32C(C,D) while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = (uint32_t)(C);spi_get_hw(spi0)->dr = (uint32_t)(D)
#define tft_Write_32C(C,D) spi_get_hw(spi0)->dr = (uint32_t)(C); spi_get_hw(spi0)->dr = (uint32_t)(D)
#define tft_Write_32D(C) while (!spi_is_writable(spi0)){}; spi_get_hw(spi0)->dr = (uint32_t)(C);spi_get_hw(spi0)->dr = (uint32_t)(C)
#define tft_Write_32D(C) spi_get_hw(spi0)->dr = (uint32_t)(C); spi_get_hw(spi0)->dr = (uint32_t)(C)
#endif // RPI_DISPLAY_TYPE
#endif

40
TFT_eSPI.cpp
View File

@ -28,6 +28,10 @@
#include "Processors/TFT_eSPI_Generic.c"
#endif
#ifndef SPI_BUSY_CHECK
#define SPI_BUSY_CHECK
#endif
// Clipping macro for pushImage
#define PI_CLIP \
if (_vpOoB) return; \
@ -3041,7 +3045,7 @@ void TFT_eSPI::setWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
#if defined (ILI9225_DRIVER)
if (rotation & 0x01) { swap_coord(x0, y0); swap_coord(x1, y1); }
SPI_BUSY_CHECK;
DC_C; tft_Write_8(TFT_CASET1);
DC_D; tft_Write_16(x0);
DC_C; tft_Write_8(TFT_CASET2);
@ -3065,7 +3069,7 @@ void TFT_eSPI::setWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
swap_coord(x0, y0);
swap_coord(x1, y1);
}
SPI_BUSY_CHECK;
DC_C; tft_Write_8(TFT_CASET);
DC_D; tft_Write_16(x1 | (x0 << 8));
DC_C; tft_Write_8(TFT_PASET);
@ -3088,7 +3092,9 @@ void TFT_eSPI::setWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
#if defined(ARDUINO_ARCH_RP2040) && !defined(TFT_PARALLEL_8BIT)
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
DC_C;
#if !defined (SPI_18BIT_DRIVER)
spi_set_format(spi0, 8, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST);
#endif
spi_get_hw(spi0)->dr = (uint32_t)TFT_CASET;
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
@ -3114,10 +3120,13 @@ void TFT_eSPI::setWindow(int32_t x0, int32_t y0, int32_t x1, int32_t y1)
spi_get_hw(spi0)->dr = (uint32_t)TFT_RAMWR;
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
#if !defined (SPI_18BIT_DRIVER)
spi_set_format(spi0, 16, (spi_cpol_t)0, (spi_cpha_t)0, SPI_MSB_FIRST);
#endif
DC_D;
#else
SPI_BUSY_CHECK;
DC_C; tft_Write_8(TFT_CASET);
DC_D; tft_Write_32C(x0, x1);
DC_C; tft_Write_8(TFT_PASET);
@ -3236,6 +3245,8 @@ void TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color)
if (rotation & 0x01) { swap_coord(x, y); }
SPI_BUSY_CHECK;
// Set window to full screen to optimise sequential pixel rendering
if (addr_row != 0x9225) {
addr_row = 0x9225; // addr_row used for flag
@ -3258,7 +3269,11 @@ void TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color)
// write to RAM
DC_C; tft_Write_8(TFT_RAMWR);
#if defined(TFT_PARALLEL_8_BIT) || !defined(ESP32)
DC_D; tft_Write_16(color);
#else
DC_D; tft_Write_16N(color);
#endif
// Temporary solution is to include the RP2040 optimised code here
#elif defined (ARDUINO_ARCH_RP2040)
@ -3292,11 +3307,19 @@ void TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color)
DC_C;
spi_get_hw(spi0)->dr = (uint32_t)TFT_RAMWR;
#if defined (SPI_18BIT_DRIVER) // SPI 18 bit colour
uint8_t r = (color & 0xF800)>>8;
uint8_t g = (color & 0x07E0)>>3;
uint8_t b = (color & 0x001F)<<3;
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
DC_D;
tft_Write_8N(r); tft_Write_8N(g); tft_Write_8N(b);
#else
while (spi_get_hw(spi0)->sr & SPI_SSPSR_BSY_BITS) {};
DC_D;
spi_get_hw(spi0)->dr = (uint32_t)color>>8;
spi_get_hw(spi0)->dr = (uint32_t)color;
#endif
/*
// Subsequent pixel reads work OK without draining the FIFO...
// Drain RX FIFO, then wait for shifting to finish (which may be *after*
@ -3323,6 +3346,8 @@ void TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color)
if ((rotation & 0x1) == 0) { swap_coord(x, y); }
#endif
SPI_BUSY_CHECK;
#if defined (MULTI_TFT_SUPPORT) || defined (GC9A01_DRIVER)
// No optimisation
DC_C; tft_Write_8(TFT_CASET);
@ -3359,7 +3384,12 @@ void TFT_eSPI::drawPixel(int32_t x, int32_t y, uint32_t color)
}
#endif
DC_C; tft_Write_8(TFT_RAMWR);
#if defined(TFT_PARALLEL_8_BIT) || !defined(ESP32)
DC_D; tft_Write_16(color);
#else
DC_D; tft_Write_16N(color);
#endif
#endif
end_tft_write();
@ -3495,11 +3525,11 @@ void TFT_eSPI::drawLine(int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t
dlen++;
err -= dy;
if (err < 0) {
err += dx;
if (dlen == 1) drawPixel(y0, xs, color);
else drawFastVLine(y0, xs, dlen, color);
dlen = 0;
y0 += ystep; xs = x0 + 1;
err += dx;
}
}
if (dlen) drawFastVLine(y0, xs, dlen, color);
@ -3510,11 +3540,11 @@ void TFT_eSPI::drawLine(int32_t x0, int32_t y0, int32_t x1, int32_t y1, uint32_t
dlen++;
err -= dy;
if (err < 0) {
err += dx;
if (dlen == 1) drawPixel(xs, y0, color);
else drawFastHLine(xs, y0, dlen, color);
dlen = 0;
y0 += ystep; xs = x0 + 1;
err += dx;
}
}
if (dlen) drawFastHLine(xs, y0, dlen, color);

2
TFT_eSPI.h
View File

@ -16,7 +16,7 @@
#ifndef _TFT_eSPIH_
#define _TFT_eSPIH_
#define TFT_ESPI_VERSION "2.3.66"
#define TFT_ESPI_VERSION "2.3.68"
// Bit level feature flags
// Bit 0 set: viewport capability

2
library.json
View File

@ -1,6 +1,6 @@
{
"name": "TFT_eSPI",
"version": "2.3.67",
"version": "2.3.68",
"keywords": "Arduino, tft, ePaper, display, Pico, RP2040, STM32, ESP8266, NodeMCU, ESP32, M5Stack, ILI9341, ST7735, ILI9163, S6D02A1, ILI9481, ILI9486, ILI9488, ST7789, RM68140, SSD1351, SSD1963, ILI9225, HX8357D",
"description": "A TFT and ePaper SPI graphics library with optimisation for Raspberry Pi Pico, ESP8266, ESP32 and STM32",
"repository":

2
library.properties
View File

@ -1,5 +1,5 @@
name=TFT_eSPI
version=2.3.67
version=2.3.68
author=Bodmer
maintainer=Bodmer
sentence=TFT graphics library for Arduino processors with performance optimisation for RP2040, STM32, ESP8266 and ESP32