2017-08-08 11:56:50 +08:00
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/*
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* File : drv_lcd.c
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* COPYRIGHT (C) 2006 - 2017, RT-Thread Development Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Change Logs:
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* Date Author Notes
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* 2017-08-08 Yang the first version
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*/
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#include <board.h>
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#include <rtdevice.h>
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#include <drv_lcd.h>
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#include <string.h>
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#include "fsl_iocon.h"
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#include "fsl_sctimer.h"
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#include "fsl_lcdc.h"
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static rt_uint16_t *lcd_framebuffer = RT_NULL;
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static rt_uint16_t *_rt_framebuffer = RT_NULL;
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#define RT_HW_LCD_WIDTH 480
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#define RT_HW_LCD_HEIGHT 272
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static struct rt_device_graphic_info _lcd_info;
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static struct rt_device lcd;
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#define LCD_PANEL_CLK (9 * 1000000UL)
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#define LCD_PPL 480
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#define LCD_HSW 2
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#define LCD_HFP 8
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#define LCD_HBP 43
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#define LCD_LPP 272
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#define LCD_VSW 10
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#define LCD_VFP 4
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#define LCD_VBP 12
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#define LCD_POL_FLAGS kLCDC_InvertVsyncPolarity | kLCDC_InvertHsyncPolarity
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#define LCD_WIDTH 480
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#define LCD_HEIGHT 272
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#define LCD_BITS_PER_PIXEL 16
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static void lcd_gpio_init(void)
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{
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const uint32_t port2_pin11_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_PWR */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN11_IDX, port2_pin11_config); /* PORT2 PIN11 (coords: K3) is configured as LCD_PWR */
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const uint32_t port2_pin13_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_DCLK */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN13_IDX, port2_pin13_config); /* PORT2 PIN13 (coords: P7) is configured as LCD_DCLK */
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const uint32_t port2_pin14_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_FP */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN14_IDX, port2_pin14_config); /* PORT2 PIN14 (coords: L7) is configured as LCD_FP */
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const uint32_t port2_pin15_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_AC */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN15_IDX, port2_pin15_config); /* PORT2 PIN15 (coords: M8) is configured as LCD_AC */
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const uint32_t port2_pin16_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_LP */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN16_IDX, port2_pin16_config); /* PORT2 PIN16 (coords: L8) is configured as LCD_LP */
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const uint32_t port2_pin21_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(3) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN21_IDX, port2_pin21_config); /* PORT2 PIN21 (coords: L10) is configured as LCD_VD(3) */
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const uint32_t port2_pin22_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(4) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN22_IDX, port2_pin22_config); /* PORT2 PIN22 (coords: K10) is configured as LCD_VD(4) */
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const uint32_t port2_pin23_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(5) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN23_IDX, port2_pin23_config); /* PORT2 PIN23 (coords: M14) is configured as LCD_VD(5) */
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const uint32_t port2_pin24_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(6) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN24_IDX, port2_pin24_config); /* PORT2 PIN24 (coords: K14) is configured as LCD_VD(6) */
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const uint32_t port2_pin25_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(7) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN25_IDX, port2_pin25_config); /* PORT2 PIN25 (coords: J11) is configured as LCD_VD(7) */
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const uint32_t port2_pin27_config = (
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IOCON_PIO_FUNC0 | /* Pin is configured as PIO2_27 */
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IOCON_PIO_MODE_PULLUP | /* Selects pull-up function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN27_IDX, port2_pin27_config); /* PORT2 PIN27 (coords: H14) is configured as PIO2_27 */
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const uint32_t port2_pin28_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(10) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN28_IDX, port2_pin28_config); /* PORT2 PIN28 (coords: G13) is configured as LCD_VD(10) */
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const uint32_t port2_pin29_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(11) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN29_IDX, port2_pin29_config); /* PORT2 PIN29 (coords: G11) is configured as LCD_VD(11) */
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const uint32_t port2_pin30_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(12) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN30_IDX, port2_pin30_config); /* PORT2 PIN30 (coords: F12) is configured as LCD_VD(12) */
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const uint32_t port2_pin31_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(13) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT2_IDX, PIN31_IDX, port2_pin31_config); /* PORT2 PIN31 (coords: D14) is configured as LCD_VD(13) */
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const uint32_t port3_pin0_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(14) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN0_IDX, port3_pin0_config); /* PORT3 PIN0 (coords: D12) is configured as LCD_VD(14) */
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const uint32_t port3_pin1_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(15) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
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);
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IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN1_IDX, port3_pin1_config); /* PORT3 PIN1 (coords: D11) is configured as LCD_VD(15) */
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const uint32_t port3_pin5_config = (
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IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(19) */
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IOCON_PIO_MODE_INACT | /* No addition pin function */
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IOCON_PIO_INV_DI | /* Input function is not inverted */
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IOCON_PIO_DIGITAL_EN | /* Enables digital function */
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IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
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IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
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|
|
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
|
|
|
|
|
);
|
|
|
|
|
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN5_IDX, port3_pin5_config); /* PORT3 PIN5 (coords: B10) is configured as LCD_VD(19) */
|
|
|
|
|
const uint32_t port3_pin6_config = (
|
|
|
|
|
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(20) */
|
|
|
|
|
IOCON_PIO_MODE_INACT | /* No addition pin function */
|
|
|
|
|
IOCON_PIO_INV_DI | /* Input function is not inverted */
|
|
|
|
|
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
|
|
|
|
|
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
|
|
|
|
|
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
|
|
|
|
|
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
|
|
|
|
|
);
|
|
|
|
|
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN6_IDX, port3_pin6_config); /* PORT3 PIN6 (coords: C9) is configured as LCD_VD(20) */
|
|
|
|
|
const uint32_t port3_pin7_config = (
|
|
|
|
|
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(21) */
|
|
|
|
|
IOCON_PIO_MODE_INACT | /* No addition pin function */
|
|
|
|
|
IOCON_PIO_INV_DI | /* Input function is not inverted */
|
|
|
|
|
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
|
|
|
|
|
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
|
|
|
|
|
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
|
|
|
|
|
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
|
|
|
|
|
);
|
|
|
|
|
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN7_IDX, port3_pin7_config); /* PORT3 PIN7 (coords: B8) is configured as LCD_VD(21) */
|
|
|
|
|
const uint32_t port3_pin8_config = (
|
|
|
|
|
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(22) */
|
|
|
|
|
IOCON_PIO_MODE_INACT | /* No addition pin function */
|
|
|
|
|
IOCON_PIO_INV_DI | /* Input function is not inverted */
|
|
|
|
|
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
|
|
|
|
|
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
|
|
|
|
|
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
|
|
|
|
|
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
|
|
|
|
|
);
|
|
|
|
|
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN8_IDX, port3_pin8_config); /* PORT3 PIN8 (coords: A7) is configured as LCD_VD(22) */
|
|
|
|
|
const uint32_t port3_pin9_config = (
|
|
|
|
|
IOCON_PIO_FUNC1 | /* Pin is configured as LCD_VD(23) */
|
|
|
|
|
IOCON_PIO_MODE_INACT | /* No addition pin function */
|
|
|
|
|
IOCON_PIO_INV_DI | /* Input function is not inverted */
|
|
|
|
|
IOCON_PIO_DIGITAL_EN | /* Enables digital function */
|
|
|
|
|
IOCON_PIO_INPFILT_OFF | /* Input filter disabled */
|
|
|
|
|
IOCON_PIO_SLEW_STANDARD | /* Standard mode, output slew rate control is enabled */
|
|
|
|
|
IOCON_PIO_OPENDRAIN_DI /* Open drain is disabled */
|
|
|
|
|
);
|
|
|
|
|
IOCON_PinMuxSet(IOCON, PORT3_IDX, PIN9_IDX, port3_pin9_config); /* PORT3 PIN9 (coords: C7) is configured as LCD_VD(23) */
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void LCD_IRQHandler(void)
|
|
|
|
|
{
|
|
|
|
|
uint32_t intStatus = LCDC_GetEnabledInterruptsPendingStatus(LCD);
|
|
|
|
|
|
|
|
|
|
LCDC_ClearInterruptsStatus(LCD, intStatus);
|
|
|
|
|
|
|
|
|
|
if (intStatus & kLCDC_VerticalCompareInterrupt)
|
|
|
|
|
{
|
|
|
|
|
//s_frameEndFlag = true;
|
|
|
|
|
}
|
|
|
|
|
//__DSB();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* RT-Thread Device Interface */
|
|
|
|
|
static rt_err_t rt_lcd_init(rt_device_t dev)
|
|
|
|
|
{
|
|
|
|
|
|
|
|
|
|
/* Route Main clock to LCD. */
|
|
|
|
|
CLOCK_AttachClk(kMCLK_to_LCD_CLK);
|
|
|
|
|
|
|
|
|
|
CLOCK_SetClkDiv(kCLOCK_DivLcdClk, 1, true);
|
|
|
|
|
|
|
|
|
|
/*LCD管脚配置*/
|
|
|
|
|
lcd_gpio_init();
|
|
|
|
|
|
|
|
|
|
/* Set the back light PWM. */
|
|
|
|
|
{
|
|
|
|
|
sctimer_config_t config;
|
|
|
|
|
sctimer_pwm_signal_param_t pwmParam;
|
|
|
|
|
uint32_t event;
|
|
|
|
|
|
|
|
|
|
CLOCK_AttachClk(kMCLK_to_SCT_CLK);
|
|
|
|
|
|
|
|
|
|
CLOCK_SetClkDiv(kCLOCK_DivSctClk, 2, true);
|
|
|
|
|
|
|
|
|
|
SCTIMER_GetDefaultConfig(&config);
|
|
|
|
|
|
|
|
|
|
SCTIMER_Init(SCT0, &config);
|
|
|
|
|
|
|
|
|
|
pwmParam.output = kSCTIMER_Out_5;
|
|
|
|
|
pwmParam.level = kSCTIMER_HighTrue;
|
|
|
|
|
pwmParam.dutyCyclePercent = 5;
|
|
|
|
|
|
|
|
|
|
SCTIMER_SetupPwm(SCT0, &pwmParam, kSCTIMER_CenterAlignedPwm, 1000U, CLOCK_GetFreq(kCLOCK_Sct), &event);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
lcd_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH, 32);
|
|
|
|
|
rt_memset(lcd_framebuffer, 0, sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
|
|
|
|
|
|
|
|
|
|
{
|
|
|
|
|
/* Initialize the display. */
|
|
|
|
|
lcdc_config_t lcdConfig;
|
|
|
|
|
|
|
|
|
|
LCDC_GetDefaultConfig(&lcdConfig);
|
|
|
|
|
|
|
|
|
|
lcdConfig.panelClock_Hz = LCD_PANEL_CLK;
|
|
|
|
|
lcdConfig.ppl = LCD_PPL;
|
|
|
|
|
lcdConfig.hsw = LCD_HSW;
|
|
|
|
|
lcdConfig.hfp = LCD_HFP;
|
|
|
|
|
lcdConfig.hbp = LCD_HBP;
|
|
|
|
|
lcdConfig.lpp = LCD_LPP;
|
|
|
|
|
lcdConfig.vsw = LCD_VSW;
|
|
|
|
|
lcdConfig.vfp = LCD_VFP;
|
|
|
|
|
lcdConfig.vbp = LCD_VBP;
|
|
|
|
|
lcdConfig.polarityFlags = LCD_POL_FLAGS;
|
|
|
|
|
lcdConfig.upperPanelAddr = (uint32_t)lcd_framebuffer;//VRAM_ADDR;
|
|
|
|
|
lcdConfig.bpp = kLCDC_16BPP565;
|
|
|
|
|
lcdConfig.display = kLCDC_DisplayTFT;
|
|
|
|
|
lcdConfig.swapRedBlue = true;
|
|
|
|
|
|
|
|
|
|
LCDC_Init(LCD, &lcdConfig, CLOCK_GetFreq(kCLOCK_LCD));
|
|
|
|
|
|
|
|
|
|
/* Trigger interrupt at start of every vertical back porch. */
|
|
|
|
|
LCDC_SetVerticalInterruptMode(LCD, kLCDC_StartOfBackPorch);
|
|
|
|
|
LCDC_EnableInterrupts(LCD, kLCDC_VerticalCompareInterrupt);
|
|
|
|
|
NVIC_EnableIRQ(LCD_IRQn);
|
|
|
|
|
|
|
|
|
|
LCDC_Start(LCD);
|
|
|
|
|
LCDC_PowerUp(LCD);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return RT_EOK;
|
|
|
|
|
}
|
|
|
|
|
|
2017-10-16 13:23:03 +08:00
|
|
|
static rt_err_t rt_lcd_control(rt_device_t dev, int cmd, void *args)
|
2017-08-08 11:56:50 +08:00
|
|
|
{
|
|
|
|
|
switch (cmd)
|
|
|
|
|
{
|
|
|
|
|
case RTGRAPHIC_CTRL_RECT_UPDATE:
|
|
|
|
|
{
|
|
|
|
|
struct rt_device_rect_info *rect_info = (struct rt_device_rect_info *)args;
|
|
|
|
|
|
|
|
|
|
/* 先指向绘图 buff 显示 */
|
|
|
|
|
LCD->UPBASE = (rt_uint32_t)_rt_framebuffer;
|
|
|
|
|
|
|
|
|
|
/* 从绘图 buff copy 数据到显示 buff */
|
|
|
|
|
if (rect_info->width * rect_info->height < RT_HW_LCD_WIDTH * RT_HW_LCD_HEIGHT / 5 * 3)
|
|
|
|
|
{
|
|
|
|
|
int index = 0;
|
|
|
|
|
rt_uint8_t *p = (rt_uint8_t *)lcd_framebuffer;
|
|
|
|
|
rt_uint8_t *q = (rt_uint8_t *)_rt_framebuffer;
|
|
|
|
|
|
|
|
|
|
p += (rect_info->x + rect_info->y * RT_HW_LCD_WIDTH) * sizeof(rt_uint16_t);
|
|
|
|
|
q += (rect_info->x + rect_info->y * RT_HW_LCD_WIDTH) * sizeof(rt_uint16_t);
|
|
|
|
|
|
|
|
|
|
for (index = 0; index < rect_info->height; index ++)
|
|
|
|
|
{
|
|
|
|
|
memcpy((void *)p, (void *)q, sizeof(rt_uint16_t) * rect_info->width);
|
|
|
|
|
p += RT_HW_LCD_WIDTH * sizeof(rt_uint16_t);
|
|
|
|
|
q += RT_HW_LCD_WIDTH * sizeof(rt_uint16_t);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
else
|
|
|
|
|
{
|
|
|
|
|
memcpy((void *)lcd_framebuffer, _rt_framebuffer, sizeof(rt_uint16_t)*RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH);
|
|
|
|
|
}
|
|
|
|
|
/* 指回显示 buff */
|
|
|
|
|
LCD->UPBASE = (rt_uint32_t)lcd_framebuffer;
|
|
|
|
|
rt_kprintf("====> rect_info : %d %d %d %d\n", rect_info->x, rect_info->y, rect_info->width, rect_info->height);
|
|
|
|
|
}
|
|
|
|
|
break;
|
|
|
|
|
case RTGRAPHIC_CTRL_POWERON:
|
|
|
|
|
break;
|
|
|
|
|
case RTGRAPHIC_CTRL_POWEROFF:
|
|
|
|
|
break;
|
|
|
|
|
case RTGRAPHIC_CTRL_GET_INFO:
|
|
|
|
|
memcpy(args, &_lcd_info, sizeof(_lcd_info));
|
|
|
|
|
break;
|
|
|
|
|
case RTGRAPHIC_CTRL_SET_MODE:
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
return RT_EOK;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
rt_uint16_t* get_lcd_framebuffer(void)
|
|
|
|
|
{
|
|
|
|
|
return lcd_framebuffer;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void lcd_clear(rt_uint16_t color)
|
|
|
|
|
{
|
|
|
|
|
volatile rt_uint16_t *p = (rt_uint16_t *)lcd_framebuffer;
|
|
|
|
|
int x, y;
|
|
|
|
|
|
|
|
|
|
for (y = 0; y <= RT_HW_LCD_HEIGHT; y++)
|
|
|
|
|
{
|
|
|
|
|
for (x = 0; x <= RT_HW_LCD_WIDTH; x++)
|
|
|
|
|
{
|
|
|
|
|
*p++ = color; /* red */
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void rt_hw_lcd_init(void)
|
|
|
|
|
{
|
|
|
|
|
_rt_framebuffer = rt_malloc_align(sizeof(rt_uint16_t) * RT_HW_LCD_HEIGHT * RT_HW_LCD_WIDTH, 32);
|
|
|
|
|
if (_rt_framebuffer == RT_NULL) return; /* no memory yet */
|
|
|
|
|
_lcd_info.bits_per_pixel = LCD_BITS_PER_PIXEL;
|
|
|
|
|
_lcd_info.pixel_format = RTGRAPHIC_PIXEL_FORMAT_RGB565; // RTGRAPHIC_PIXEL_FORMAT_ARGB888
|
|
|
|
|
_lcd_info.framebuffer = (void *)_rt_framebuffer;
|
|
|
|
|
_lcd_info.width = RT_HW_LCD_WIDTH;
|
|
|
|
|
_lcd_info.height = RT_HW_LCD_HEIGHT;
|
|
|
|
|
|
|
|
|
|
/* init device structure */
|
|
|
|
|
lcd.type = RT_Device_Class_Graphic;
|
|
|
|
|
lcd.init = rt_lcd_init;
|
|
|
|
|
lcd.open = RT_NULL;
|
|
|
|
|
lcd.close = RT_NULL;
|
|
|
|
|
lcd.control = rt_lcd_control;
|
|
|
|
|
lcd.user_data = (void *)&_lcd_info;
|
|
|
|
|
|
|
|
|
|
/* register lcd device to RT-Thread */
|
|
|
|
|
rt_device_register(&lcd, "lcd", RT_DEVICE_FLAG_RDWR);
|
|
|
|
|
|
|
|
|
|
rt_lcd_init(&lcd);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void lcd_test(void)
|
|
|
|
|
{
|
|
|
|
|
lcd_clear(0xf800);
|
|
|
|
|
rt_thread_delay(200);
|
|
|
|
|
lcd_clear(0x07e0);
|
|
|
|
|
rt_thread_delay(200);
|
|
|
|
|
lcd_clear(0x001f);
|
|
|
|
|
rt_thread_delay(200);
|
|
|
|
|
}
|
|
|
|
|
#ifdef RT_USING_FINSH
|
|
|
|
|
#include <finsh.h>
|
|
|
|
|
FINSH_FUNCTION_EXPORT(lcd_clear, lcd_clear);
|
|
|
|
|
FINSH_FUNCTION_EXPORT(lcd_test, lcd_test);
|
|
|
|
|
#ifdef FINSH_USING_MSH
|
|
|
|
|
MSH_CMD_EXPORT(lcd_clear, lcd_clear);
|
|
|
|
|
MSH_CMD_EXPORT(lcd_test, lcd_test);
|
|
|
|
|
#endif
|
|
|
|
|
#endif
|
