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@ -40,8 +40,7 @@ void TFT_SPI::Init() { |
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if ((spiInstance = (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_SCK_PIN), PinMap_SPI_SCLK)) == NP) return; |
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if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MOSI_PIN), PinMap_SPI_MOSI)) return; |
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#if PIN_EXISTS(TFT_MISO) |
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if (TFT_MISO_PIN != TFT_MOSI_PIN) |
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#if PIN_EXISTS(TFT_MISO) && TFT_MISO_PIN != TFT_MOSI_PIN |
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if (spiInstance != (SPI_TypeDef *)pinmap_peripheral(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO)) return; |
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#endif |
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@ -49,10 +48,7 @@ void TFT_SPI::Init() { |
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SPIx.State = HAL_SPI_STATE_RESET; |
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SPIx.Init.NSS = SPI_NSS_SOFT; |
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SPIx.Init.Mode = SPI_MODE_MASTER; |
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if (TFT_MISO_PIN == TFT_MOSI_PIN) |
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SPIx.Init.Direction = SPI_DIRECTION_1LINE; |
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else |
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SPIx.Init.Direction = SPI_DIRECTION_2LINES; |
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SPIx.Init.Direction = (TFT_MISO_PIN == TFT_MOSI_PIN) ? SPI_DIRECTION_1LINE : SPI_DIRECTION_2LINES; |
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SPIx.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_2; |
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SPIx.Init.CLKPhase = SPI_PHASE_1EDGE; |
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SPIx.Init.CLKPolarity = SPI_POLARITY_LOW; |
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@ -64,8 +60,7 @@ void TFT_SPI::Init() { |
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pinmap_pinout(digitalPinToPinName(TFT_SCK_PIN), PinMap_SPI_SCLK); |
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pinmap_pinout(digitalPinToPinName(TFT_MOSI_PIN), PinMap_SPI_MOSI); |
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#if PIN_EXISTS(TFT_MISO) |
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if (TFT_MISO_PIN != TFT_MOSI_PIN) |
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#if PIN_EXISTS(TFT_MISO) && TFT_MISO_PIN != TFT_MOSI_PIN |
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pinmap_pinout(digitalPinToPinName(TFT_MISO_PIN), PinMap_SPI_MISO); |
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#endif |
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pin_PullConfig(get_GPIO_Port(STM_PORT(digitalPinToPinName(TFT_SCK_PIN))), STM_LL_GPIO_PIN(digitalPinToPinName(TFT_SCK_PIN)), GPIO_PULLDOWN); |
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@ -119,7 +114,7 @@ void TFT_SPI::Init() { |
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DMAtx.Init.MemDataAlignment = DMA_MDATAALIGN_HALFWORD; |
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DMAtx.Init.Mode = DMA_NORMAL; |
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DMAtx.Init.Priority = DMA_PRIORITY_LOW; |
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#if defined(STM32F4xx) |
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#ifdef STM32F4xx |
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DMAtx.Init.FIFOMode = DMA_FIFOMODE_DISABLE; |
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#endif |
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} |
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@ -140,11 +135,10 @@ uint32_t TFT_SPI::GetID() { |
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} |
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uint32_t TFT_SPI::ReadID(uint16_t Reg) { |
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#if !PIN_EXISTS(TFT_MISO) |
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return 0; |
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#else |
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uint32_t Data = 0; |
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#if PIN_EXISTS(TFT_MISO) |
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uint32_t BaudRatePrescaler = SPIx.Init.BaudRatePrescaler; |
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uint32_t i, Data = 0; |
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uint32_t i; |
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SPIx.Init.BaudRatePrescaler = SPIx.Instance == SPI1 ? SPI_BAUDRATEPRESCALER_8 : SPI_BAUDRATEPRESCALER_4; |
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DataTransferBegin(DATASIZE_8BIT); |
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@ -154,12 +148,12 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) { |
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__HAL_SPI_ENABLE(&SPIx); |
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for (i = 0; i < 4; i++) { |
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if (TFT_MISO_PIN != TFT_MOSI_PIN) { |
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#if TFT_MISO_PIN != TFT_MOSI_PIN |
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//if (hspi->Init.Direction == SPI_DIRECTION_2LINES) {
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while ((SPIx.Instance->SR & SPI_FLAG_TXE) != SPI_FLAG_TXE) {} |
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SPIx.Instance->DR = 0; |
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//}
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} |
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#endif |
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while ((SPIx.Instance->SR & SPI_FLAG_RXNE) != SPI_FLAG_RXNE) {} |
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Data = (Data << 8) | SPIx.Instance->DR; |
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} |
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@ -168,9 +162,9 @@ uint32_t TFT_SPI::ReadID(uint16_t Reg) { |
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DataTransferEnd(); |
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SPIx.Init.BaudRatePrescaler = BaudRatePrescaler; |
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#endif |
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return Data >> 7; |
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#endif |
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} |
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bool TFT_SPI::isBusy() { |
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@ -183,9 +177,8 @@ bool TFT_SPI::isBusy() { |
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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) |
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Abort(); |
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} |
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else { |
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else |
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Abort(); |
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} |
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return dmaEnabled; |
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} |
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