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SPI TFT for STM32F4 boards (#20384)

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* fix pinsDebug for F1 boards

* add MKS Robin PRO V2 board - development board

* tft spi working with F4 boards

* pins formating

* sanity check for TFT on supported cores in STM32

* Fix tabs/spaces in pins file

Co-authored-by: Jason Smith <jason.inet@gmail.com>
This commit is contained in:
Victor Oliveira
2020-12-08 02:26:39 -03:00
committed by GitHub
parent af20db4512
commit 9ead6a30f2
7 changed files with 540 additions and 119 deletions
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108
Marlin/src/HAL/STM32/tft/tft_spi.cpp
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@ -34,35 +34,25 @@ DMA_HandleTypeDef TFT_SPI::DMAtx;
void TFT_SPI::Init() {
SPI_TypeDef *spiInstance;
#if PIN_EXISTS(TFT_RESET)
OUT_WRITE(TFT_RESET_PIN, HIGH);
HAL_Delay(100);
#endif
#if PIN_EXISTS(TFT_BACKLIGHT)
OUT_WRITE(TFT_BACKLIGHT_PIN, HIGH);
#endif
OUT_WRITE(TFT_A0_PIN, HIGH);
OUT_WRITE(TFT_CS_PIN, HIGH);
if ((spiInstance = (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_SCK_PIN), PinMap_SPI_SCLK)) == NP) return;
if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MOSI_PIN), PinMap_SPI_MOSI)) return;
#if PIN_EXISTS(TFT_MISO) && (TFT_MISO_PIN != TFT_MOSI_PIN)
if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO)) return;
#if PIN_EXISTS(TFT_MISO)
if (TFT_MISO_PIN != TFT_MOSI_PIN)
if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO)) return;
#endif
SPIx.Instance = spiInstance;
SPIx.State = HAL_SPI_STATE_RESET;
SPIx.Init.NSS = SPI_NSS_SOFT;
SPIx.Init.Mode = SPI_MODE_MASTER;
SPIx.Init.Direction =
#if TFT_MISO_PIN == TFT_MOSI_PIN
SPI_DIRECTION_1LINE;
#else
SPI_DIRECTION_2LINES;
#endif
if (TFT_MISO_PIN == TFT_MOSI_PIN)
SPIx.Init.Direction = SPI_DIRECTION_1LINE;
else
SPIx.Init.Direction = SPI_DIRECTION_2LINES;
SPIx.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2;
SPIx.Init.CLKPhase = SPI_PHASE_1EDGE;
SPIx.Init.CLKPolarity = SPI_POLARITY_LOW;
@ -74,31 +64,50 @@ void TFT_SPI::Init() {
pinmap_pinout(digitalPinToPinName(TFT_SCK_PIN), PinMap_SPI_SCLK);
pinmap_pinout(digitalPinToPinName(TFT_MOSI_PIN), PinMap_SPI_MOSI);
#if PIN_EXISTS(TFT_MISO) && (TFT_MISO_PIN != TFT_MOSI_PIN)
pinmap_pinout(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO);
#if PIN_EXISTS(TFT_MISO)
if (TFT_MISO_PIN != TFT_MOSI_PIN)
pinmap_pinout(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO);
#endif
pin_PullConfig(get_GPIO_Port(STM_PORT(digitalPinToPinName(TFT_SCK_PIN))), STM_LL_GPIO_PIN(digitalPinToPinName(TFT_SCK_PIN)), GPIO_PULLDOWN);
#ifdef SPI1_BASE
if (SPIx.Instance == SPI1) {
__HAL_RCC_SPI1_CLK_ENABLE();
__HAL_RCC_DMA1_CLK_ENABLE();
#ifdef STM32F1xx
__HAL_RCC_DMA1_CLK_ENABLE();
DMAtx.Instance = DMA1_Channel3;
#elif defined(STM32F4xx)
__HAL_RCC_DMA2_CLK_ENABLE();
DMAtx.Instance = DMA2_Stream3;
DMAtx.Init.Channel = DMA_CHANNEL_3;
#endif
SPIx.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_4;
DMAtx.Instance = DMA1_Channel3;
}
#endif
#ifdef SPI2_BASE
if (SPIx.Instance == SPI2) {
__HAL_RCC_SPI2_CLK_ENABLE();
__HAL_RCC_DMA1_CLK_ENABLE();
DMAtx.Instance = DMA1_Channel5;
#ifdef STM32F1xx
__HAL_RCC_DMA1_CLK_ENABLE();
DMAtx.Instance = DMA1_Channel5;
#elif defined(STM32F4xx)
__HAL_RCC_DMA1_CLK_ENABLE();
DMAtx.Instance = DMA1_Stream4;
DMAtx.Init.Channel = DMA_CHANNEL_4;
#endif
}
#endif
#ifdef SPI3_BASE
if (SPIx.Instance == SPI3) {
__HAL_RCC_SPI3_CLK_ENABLE();
__HAL_RCC_DMA2_CLK_ENABLE();
DMAtx.Instance = DMA2_Channel2;
#ifdef STM32F1xx
__HAL_RCC_DMA2_CLK_ENABLE();
DMAtx.Instance = DMA2_Channel2;
#elif defined(STM32F4xx)
__HAL_RCC_DMA1_CLK_ENABLE();
DMAtx.Instance = DMA1_Stream5;
DMAtx.Init.Channel = DMA_CHANNEL_5;
#endif
}
#endif
@ -110,6 +119,9 @@ void TFT_SPI::Init() {
DMAtx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD;
DMAtx.Init.Mode = DMA_NORMAL;
DMAtx.Init.Priority = DMA_PRIORITY_LOW;
#if defined(STM32F4xx)
DMAtx.Init.FIFOMode = DMA_FIFOMODE_DISABLE;
#endif
}
void TFT_SPI::DataTransferBegin(uint16_t DataSize) {
@ -142,12 +154,12 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
__HAL_SPI_ENABLE(&SPIx);
for (i = 0; i < 4; i++) {
#if TFT_MISO_PIN != TFT_MOSI_PIN
if (TFT_MISO_PIN != TFT_MOSI_PIN) {
//if (hspi->Init.Direction == SPI_DIRECTION_2LINES) {
while ((SPIx.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE) {}
SPIx.Instance->DR = 0;
//}
#endif
}
while ((SPIx.Instance->SR & SPI_FLAG_RXNE) != SPI_FLAG_RXNE) {}
Data = (Data << 8) | SPIx.Instance->DR;
}
@ -162,21 +174,34 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) {
}
bool TFT_SPI::isBusy() {
if (DMAtx.Instance->CCR & DMA_CCR_EN)
#if defined(STM32F1xx)
volatile bool dmaEnabled = (DMAtx.Instance->CCR & DMA_CCR_EN) != RESET;
#elif defined(STM32F4xx)
volatile bool dmaEnabled = DMAtx.Instance->CR & DMA_SxCR_EN;
#endif
if (dmaEnabled) {
if (__HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TC_FLAG_INDEX(&DMAtx)) != 0 || __HAL_DMA_GET_FLAG(&DMAtx, __HAL_DMA_GET_TE_FLAG_INDEX(&DMAtx)) != 0)
Abort();
return DMAtx.Instance->CCR & DMA_CCR_EN;
}
else {
Abort();
}
return dmaEnabled;
}
void TFT_SPI::Abort() {
__HAL_DMA_DISABLE(&DMAtx);
// First, abort any running dma
HAL_DMA_Abort(&DMAtx);
// DeInit objects
HAL_DMA_DeInit(&DMAtx);
HAL_SPI_DeInit(&SPIx);
// Deselect CS
DataTransferEnd();
}
void TFT_SPI::Transmit(uint16_t Data) {
#if TFT_MISO_PIN == TFT_MOSI_PIN
if (TFT_MISO_PIN == TFT_MOSI_PIN)
SPI_1LINE_TX(&SPIx);
#endif
__HAL_SPI_ENABLE(&SPIx);
@ -185,26 +210,23 @@ void TFT_SPI::Transmit(uint16_t Data) {
while ((SPIx.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE) {}
while ((SPIx.Instance->SR & SPI_FLAG_BSY) == SPI_FLAG_BSY) {}
#if TFT_MISO_PIN != TFT_MOSI_PIN
if (TFT_MISO_PIN != TFT_MOSI_PIN)
__HAL_SPI_CLEAR_OVRFLAG(&SPIx); /* Clear overrun flag in 2 Lines communication mode because received is not read */
#endif
}
void TFT_SPI::TransmitDMA(uint32_t MemoryIncrease, uint16_t *Data, uint16_t Count) {
// Wait last dma finish, to start another
while(isBusy()) { }
DMAtx.Init.MemInc = MemoryIncrease;
HAL_DMA_Init(&DMAtx);
if (TFT_MISO_PIN == TFT_MOSI_PIN)
SPI_1LINE_TX(&SPIx);
DataTransferBegin();
#if TFT_MISO_PIN == TFT_MOSI_PIN
SPI_1LINE_TX(&SPIx);
#endif
DMAtx.DmaBaseAddress->IFCR = (DMA_ISR_GIF1 << DMAtx.ChannelIndex);
DMAtx.Instance->CNDTR = Count;
DMAtx.Instance->CPAR = (uint32_t)&(SPIx.Instance->DR);
DMAtx.Instance->CMAR = (uint32_t)Data;
__HAL_DMA_ENABLE(&DMAtx);
HAL_DMA_Start(&DMAtx, (uint32_t)Data, (uint32_t)&(SPIx.Instance->DR), Count);
__HAL_SPI_ENABLE(&SPIx);
SET_BIT(SPIx.Instance->CR2, SPI_CR2_TXDMAEN); /* Enable Tx DMA Request */