202 lines
6.6 KiB
C
202 lines
6.6 KiB
C
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/*
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******************************************************************************
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* @file RGB_demo.c
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* @author FreqChip Firmware Team
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* @version V1.0.0
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* @date 2023
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* @brief RGB interface module Demo.
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******************************************************************************
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* @attention
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*
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* Copyright (c) 2023 FreqChip.
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* All rights reserved.
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******************************************************************************
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*/
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#include "driver_nv3047_rgb.h"
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#if (BOARD_SEL == BOARD_EVB_FR3092E_RGB)
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static GPIO_InitTypeDef GPIO_Handle;
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PARALLEL_HandTypeDef hparallel;
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SPI_HandleTypeDef spi_handle;
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DMA_HandleTypeDef dma_handle;
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DMA_HandleTypeDef dma1_handle;
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struct_RGB_TypeDef_t rgb_handle;
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unsigned char *coply = NULL;
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void timer0_irq(void);
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/************************************************************************************
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* @fn rgb_display_controller_init
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*
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* @brief rgb_display_controller_init
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*
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*/
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void rgb_display_controller_init(void)
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{
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/* init parallel CLOCK */
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__SYSTEM_PARALLEL_CLK_ENABLE();
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__SYSTEM_PARALLEL_CLK_SELECT_SPLL();
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__SYSTEM_GPIOA_CLK_ENABLE();
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__SYSTEM_GPIOB_CLK_ENABLE();
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__SYSTEM_GPIOC_CLK_ENABLE();
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__SYSTEM_GPIOD_CLK_ENABLE();
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__SYSTEM_DMA0_CLK_ENABLE();
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__SYSTEM_DMA1_CLK_ENABLE();
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__SYSTEM_TIMER0_CLK_ENABLE();
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//__SYSTEM_SPI_MASTER1_X8_CLK_ENABLE();
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__SYSTEM_SPI_MASTER0_X8_CLK_ENABLE();
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printf("parallel clock:%d\r\n", system_get_peripheral_clock( PER_CLK_PARALLEL));
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/* RGB io init */
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/*
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D0~D15 PC0~15
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DCLK PB13
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*/
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GPIO_Handle.Alternate = GPIO_FUNCTION_8;
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GPIO_Handle.Mode = GPIO_MODE_AF_PP;
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GPIO_Handle.Pin = RGB565_LCD_DATA_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_DATA_PORT, &GPIO_Handle);
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GPIO_Handle.Alternate = GPIO_FUNCTION_8;
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GPIO_Handle.Mode = GPIO_MODE_AF_PP;
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GPIO_Handle.Pin = RGB565_LCD_DCLK_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_DCLK_PORT, &GPIO_Handle);
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GPIO_Handle.Alternate = GPIO_FUNCTION_8;
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = RGB565_LCD_VSYNC_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_VSYNC_PORT, &GPIO_Handle);
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = RGB565_LCD_HSYNC_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_HSYNC_PORT, &GPIO_Handle);
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = RGB565_LCD_DE_EN_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_DE_EN_PORT, &GPIO_Handle);
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = RGB565_LCD_RESET_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_RESET_PORT, &GPIO_Handle);
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = GPIO_PIN_13;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(GPIOD, &GPIO_Handle);
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rgb_lcd_reset_release();
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/* backlight */
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = RGB565_LCD_BACKLIGHT_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_BACKLIGHT_PORT, &GPIO_Handle);
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rgb_lcd_backlight_set();
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rgb_lcd_disp_set();//Display control / standby mode selection. Internal pull low.DISP = “Low” : Standby.DISP = “High” : Normal display.
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system_delay_us(1000 * 20);
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#ifdef RGB56_LCD_INIT_CONFIG
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/* SPI CS */
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GPIO_Handle.Mode = GPIO_MODE_OUTPUT_PP;
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GPIO_Handle.Pin = RGB565_LCD_SPI_CS_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_SPI_CS_PORT, &GPIO_Handle);
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/* SPI io init */
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// B0,B2 B3
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GPIO_Handle.Alternate = GPIO_FUNCTION_7;
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GPIO_Handle.Mode = GPIO_MODE_AF_PP;
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GPIO_Handle.Pin = RGB565_LCD_SPI_CLK_GPIO|RGB565_LCD_SPI_MOSI_GPIO|RGB565_LCD_SPI_MISO_GPIO;
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GPIO_Handle.Pull = GPIO_PULLUP;
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gpio_init(RGB565_LCD_SPI_CLK_PORT, &GPIO_Handle);
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/* SPI init */
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spi_handle.SPIx = SPIMX8_0;
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spi_handle.Init.Work_Mode = SPI_WORK_MODE_3;
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spi_handle.Init.Frame_Size = SPI_FRAME_SIZE_9BIT;
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spi_handle.Init.BaudRate_Prescaler = 100;
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spi_handle.Init.TxFIFOEmpty_Threshold = 0;
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spi_handle.Init.RxFIFOFull_Threshold = 0;
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spi_master_init(&spi_handle);
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#endif
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/* PARALLEL Init */
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hparallel.PARALLELx = PARALLEL0;
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hparallel.Init.DataBusSelect = DATA_BUS_16_BIT;
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hparallel.Init.ParallelMode = MODE_6800;
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hparallel.PARALLELx->DATA_CFG.DATA_TRANS_SEQ_0 = 0;
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hparallel.PARALLELx->DATA_CFG.DATA_TRANS_SEQ_1 = 1;
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hparallel.PARALLELx->DATA_CFG.DATA_TRANS_SEQ_2 = 2;
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hparallel.PARALLELx->DATA_CFG.DATA_TRANS_SEQ_3 = 3;
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hparallel.Init.ReadClock = WDCLK_DIV_4;
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hparallel.Init.WriteClock = WDCLK_DIV_2;
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parallel_init(&hparallel);
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hparallel.PARALLELx->CRM.WR_L_LEN = 2;
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hparallel.PARALLELx->CRM.WR_H_LEN = 2;
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__PARALLEL_CS_SET(hparallel.PARALLELx);
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/* DMA Init */
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system_dmac_request_id_config(PARALLEL_INTERFACE,DMA0_REQUEST_ID_3);
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dma_handle.DMAx = DMA0;
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dma_handle.Channel = DMA_Channel2;
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dma_handle.Init.Data_Flow = DMA_M2P_DMAC;
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dma_handle.Init.Request_ID = DMA0_REQUEST_ID_3;
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dma_handle.Init.Source_Master_Sel = DMA_AHB_MASTER_3;
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dma_handle.Init.Desination_Master_Sel = DMA_AHB_MASTER_1;
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dma_handle.Init.Source_Inc = DMA_ADDR_INC_INC;
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dma_handle.Init.Desination_Inc = DMA_ADDR_INC_NO_CHANGE;
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dma_handle.Init.Source_Width = DMA_TRANSFER_WIDTH_32;
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dma_handle.Init.Desination_Width = DMA_TRANSFER_WIDTH_32;
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dma_handle.Init.Source_Burst_Len = DMA_BURST_LEN_16;
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dma_handle.Init.Desination_Burst_Len = DMA_BURST_LEN_16;
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dma_init(&dma_handle);
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}
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/************************************************************************************
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* @fn rgb_display_init
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*
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* @brief rgb_display_init
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*
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*/
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void rgb_display_init(void* buffer)
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{
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coply = buffer;
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/* rgb init */
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rgb_init();
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NVIC_ClearPendingIRQ(TIMER0_IRQn);
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NVIC_EnableIRQ(TIMER0_IRQn);
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NVIC_ClearPendingIRQ(DMA0_IRQn);
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NVIC_EnableIRQ(DMA0_IRQn);
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rgb_display_start(Timer0, &rgb_handle, 2, coply);
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printf("%s:%d\r\n", __func__, __LINE__);
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}
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void timer0_irq(void)
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{
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rgb_timer_IRQHandler(Timer0, &rgb_handle);
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}
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__RAM_CODE void rgb_display_dma_irq(void)
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{
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if (dma_get_tfr_Status(&dma_handle))
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{
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rgb_dma_IRQHandler(&rgb_handle);
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dma_clear_tfr_Status(&dma_handle);
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}
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}
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#endif
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