forked from Archive/PX4-Autopilot
Add support for the MIO283QT2 LCD
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4802 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
patacongo
parent
2d80d4285e
commit
48f2d672f0
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@ -2884,3 +2884,7 @@
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Class (MSC) using MMC/SD card as the logical unit. Updated the default
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PIC32MX7 MMB board configuration so that USB and the mass storage class
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are enabled by default.
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* drivers/lcd/mio283qt2.c and include/nuttx/lcd/mio283qt2.h: Add generic
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support for the MIO283QT2 LCD.
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* configs/pic32mx7mmb/src/up_mio283qt2.c: Add support for the MIO283QT2
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LCD on the PIC32MX7 MMB board.
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@ -120,9 +120,9 @@
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#define PMP_CON_ALP (1 << 5) /* Bit 5: Address latch polarity */
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#define PMP_CON_CSF_SHIFT (6) /* Bits 6-7: Chip select function */
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#define PMP_CON_CSF_MASK (3 << PMP_CON_CSF_SHIFT)
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#define PMP_CON_CSF_ADDR1415 (0 << PMP_CON_CSF_SHIFT) /* PMCS2/PMCS1 = address bits 15 and 14 */
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#define PMP_CON_CSF_CS2ADDR14 (1 << PMP_CON_CSF_SHIFT) /* PMCS2 = Chip Select, PMCS1 = address bit 14 */
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#define PMP_CON_CSF_CS12 (2 << PMP_CON_CSF_SHIFT) /* PMCS2/PMCS1 = Chip Select */
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# define PMP_CON_CSF_ADDR1415 (0 << PMP_CON_CSF_SHIFT) /* PMCS2/PMCS1 = address bits 15 and 14 */
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# define PMP_CON_CSF_CS2ADDR14 (1 << PMP_CON_CSF_SHIFT) /* PMCS2 = Chip Select, PMCS1 = address bit 14 */
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# define PMP_CON_CSF_CS12 (2 << PMP_CON_CSF_SHIFT) /* PMCS2/PMCS1 = Chip Select */
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#define PMP_CON_PTRDEN (1 << 8) /* Bit 8: Read/write strobe port enable */
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#define PMP_CON_PTWREN (1 << 9) /* Bit 9: Write enable strobe port enable */
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#define PMP_CON_PMPTTL (1 << 10) /* Bit 10: PMP module TTL input buffer select */
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@ -159,11 +159,11 @@
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# define PMP_MODE_MODE_MODE1 (3 << PMP_MODE_MODE_SHIFT) /* Master mode 1 */
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#define PMP_MODE_MODE16 (1 << 10) /* Bit 10: 8/16-bit mode */
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#define PMP_MODE_INCM_SHIFT (11) /* Bits 11-12: Increment Mode */
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#define PMP_MODE_INCM_MASK (3 << PMP_MODE_INCM_MASK)
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# define PMP_MODE_INCM_NONE (0 << PMP_MODE_INCM_MASK) /* No incr or decr of addr */
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# define PMP_MODE_INCM_INCR (1 << PMP_MODE_INCM_MASK) /* Incr addr on R/W cycle */
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# define PMP_MODE_INCM_DECR (2 << PMP_MODE_INCM_MASK) /* Decr addr on R/Wcycle */
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# define PMP_MODE_INCM_SLAVE (3 << PMP_MODE_INCM_MASK) /* Slave mode auto-increment */
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#define PMP_MODE_INCM_MASK (3 << PMP_MODE_INCM_SHIFT)
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# define PMP_MODE_INCM_NONE (0 << PMP_MODE_INCM_SHIFT) /* No incr or decr of addr */
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# define PMP_MODE_INCM_INCR (1 << PMP_MODE_INCM_SHIFT) /* Incr addr on R/W cycle */
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# define PMP_MODE_INCM_DECR (2 << PMP_MODE_INCM_SHIFT) /* Decr addr on R/Wcycle */
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# define PMP_MODE_INCM_SLAVE (3 << PMP_MODE_INCM_SHIFT) /* Slave mode auto-increment */
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#define PMP_MODE_IRQM_SHIFT (13) /* Bits 13-14: Interrupt request mode */
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#define PMP_MODE_IRQM_MASK (3 << PMP_MODE_IRQM_SHIFT)
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# define PMP_MODE_IRQM_NONE (0 << PMP_MODE_IRQM_SHIFT) /* No Interrupt generated */
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@ -184,26 +184,23 @@
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/* Parallel Port Pin Enable Register */
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#define PMP_AEN_PTEN_SHIFT (0) /* Bits 0-15: xx */
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#define PMP_AEN_PTEN_MASK (0xffff << PMP_AEN_PTEN_SHIFT)
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#define PMP_AEN_PMCSEN_SHIFT (14) /* PTEN 14-15: PMCSx Strobe enable */
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#define PMP_AEN_PMCSEN_MASK (3 << PMP_AEN_STROBEN_SHIFT)
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#define PMP_AEN_ADDR_SHIFT (2) /* PTEN 2-13: PMP address port enable */
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#define PMP_AEN_ADDR_MASK (0xfff << PMP_AEN_STROBEN_SHIFT)
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#define PMP_AEN_PMALEN_SHIFT (0) /* PTEN 0-1: PMALH/PMALL strobe enable */
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#define PMP_AEN_PMALEN_MASK (3 << PMP_AEN_STROBEN_SHIFT)
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#define PMP_AEN_ADDR_SHIFT (2) /* PTEN 2-13: PMP address port enable */
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#define PMP_AEN_ADDR_MASK (0xfff << PMP_AEN_STROBEN_SHIFT)
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#define PMP_AEN_PMCSEN_SHIFT (14) /* PTEN 14-15: PMCSx Strobe enable */
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#define PMP_AEN_PMCSEN_MASK (3 << PMP_AEN_STROBEN_SHIFT)
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/* Parallel Port Status Register */
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#define PMP_STAT_OBE(n) (1 << (n))
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#define PMP_STAT_OBNE(n) (1 << (n))
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#define PMP_STAT_OB0E (1 << 0) /* Bit 0: Output buffer 0 status empty bits */
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#define PMP_STAT_OB1E (1 << 1) /* Bit 1: Output buffer 1 status empty bits */
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#define PMP_STAT_OB2E (1 << 2) /* Bit 2: Output buffer 2 status empty bits */
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#define PMP_STAT_OB3E (1 << 3) /* Bit 3: Output buffer 3 status empty bits */
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#define PMP_STAT_OBUF (1 << 6) /* Bit 6: Output buffer underflow status */
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#define PMP_STAT_OBE (1 << 7) /* Bit 7: Output buffer empty status */
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#define PMP_STAT_IBF(n) (1 << (n+8))
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#define PMP_STAT_IBNF(n) (1 << (n+8))
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#define PMP_STAT_IB0F (1 << 8) /* Bit 8: Input buffer 0 status full */
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#define PMP_STAT_IB1F (1 << 9) /* Bit 9: Input buffer 1 status full */
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#define PMP_STAT_IB2F (1 << 10) /* Bit 10: Input buffer 2 status full */
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@ -75,7 +75,7 @@ PIN CONFIGURATIONS SIGNAL NAME ON-BOARD CONNE
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41 PMA11/AECRS/AN12/ERXD0/RB12 LCD-YU TFT display
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42 PMA10/AECOL/AN13/ERXD1/RB13 LCD-XL TFT display
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43 PMA1/AETXD3/AN14/ERXD2/PMALH/RB14 LCD-CS# TFT display, HDR2 pin 3
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44 PMA0/AETXD2/AN15/CN12/ERXD3/OCFB/ PMPA0/AN15/OCFB/CN12
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44 PMA0/AETXD2/AN15/CN12/ERXD3/OCFB/ LCD-RS TFT display
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PMALL/RB15
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45 VSS (grounded) ---
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46 VDD P32_VDD ---
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@ -1214,6 +1214,8 @@ CONFIG_NXCONSOLE_CACHESIZE=32
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#
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# PIC32MX7 MMB LCD Hardware Configuration
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#
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# CONFIG_LCD_MIO283QT2
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# Enables the MIO183QT2 LCD support.
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# CONFIG_LCD_NOGETRUN
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# NX components need to know if it can read from the LCD or not. If reading
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# from the LCD is supported, then NxConsole can do more efficient
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@ -1232,7 +1234,8 @@ CONFIG_NXCONSOLE_CACHESIZE=32
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# PIC32MX7 MMB's LCD ribbon cable is at the top of the display.
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# Default is 320x240 "landscape" orientation.
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#
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CONFIG_LCD_NOGETRUN=y
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CONFIG_LCD_MIO283QT2=n
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CONFIG_LCD_NOGETRUN=n
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CONFIG_LCD_LANDSCAPE=n
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CONFIG_LCD_RLANDSCAPE=n
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CONFIG_LCD_PORTRAIT=n
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@ -38,7 +38,7 @@
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CFLAGS += -I$(TOPDIR)/sched
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ASRCS =
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CSRCS = up_boot.c up_lcd.c up_leds.c up_spi.c
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CSRCS = up_boot.c up_leds.c up_spi.c up_mio283qt2.c
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ifeq ($(CONFIG_PIC32MX_USBDEV),y)
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CSRCS += up_usbdev.c
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@ -1,81 +0,0 @@
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/****************************************************************************
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* configs/pic32mx7mmb/src/up_lcd.c
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include "pic32mx-internal.h"
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#include "pic32mx7mmb_internal.h"
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/****************************************************************************
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* Pre-Processor Definitions
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****************************************************************************/
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/* LCD
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*
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* ------ -------- ------------------------- --------------------------------
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* GPIO SIGNAL BOARD CONNECTION NOTES
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* ------ -------- ------------------------- --------------------------------
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* RD2 LCD-BLED Backlight Light Low value turns off
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*/
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#define GPIO_BLED (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTD|GPIO_PIN2)
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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/****************************************************************************
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* Name: pic32mx_lcdinitialize
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*
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* Description:
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* Initialize the LCD. This function should be called early in the boot
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* sequendce -- Even if the LCD is not enabled. In that case we should
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* at a minimum at least disable the LCD backlight.
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*
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****************************************************************************/
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void pic32mx_lcdinitialize(void)
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{
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/* Just configure the backlight control as an output and turn off the
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* backlight for now.
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*/
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pic32mx_configgpio(GPIO_BLED);
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}
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@ -0,0 +1,529 @@
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/**************************************************************************************
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* configs/stm32fdiscover/src/up_mio283qt2.c
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* arch/arm/src/board/up_mio283qt2.c
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*
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* Interface definition for the MI0283QT-2 LCD from Multi-Inno Technology Co., Ltd.
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* This LCD is based on the Himax HX8347-D LCD controller.
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*
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* Copyright (C) 2012 Gregory Nutt. All rights reserved.
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* Authors: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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**************************************************************************************/
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/**************************************************************************************
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* Included Files
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**************************************************************************************/
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#include <nuttx/config.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <errno.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <nuttx/lcd/lcd.h>
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#include <nuttx/lcd/mio283qt2.h>
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#include <arch/board/board.h>
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#include "up_arch.h"
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#include "pic32mx-internal.h"
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#include "pic32mx-pmp.h"
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#include "pic32mx7mmb_internal.h"
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#ifdef CONFIG_LCD_MIO283QT2
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/**************************************************************************************
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* Pre-processor Definitions
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**************************************************************************************/
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/* Configuration **********************************************************************/
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#ifndef CONFIG_PIC32MX_PMP
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# error "CONFIG_PIC32MX_PMP is required to use the LCD"
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#endif
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/* Define CONFIG_DEBUG_LCD to enable detailed LCD debug output. Verbose debug must
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* also be enabled.
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*/
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#ifndef CONFIG_DEBUG
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# undef CONFIG_DEBUG_VERBOSE
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# undef CONFIG_DEBUG_GRAPHICS
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# undef CONFIG_DEBUG_LCD
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#endif
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#ifndef CONFIG_DEBUG_VERBOSE
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# undef CONFIG_DEBUG_LCD
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#endif
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/* PIC32MX7MMB LCD Hardware Definitions ***********************************************/
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/* --- ---------------------------------- -------------------- ------------------------
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* PIN CONFIGURATIONS SIGNAL NAME ON-BOARD CONNECTIONS
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* (Family Data Sheet Table 1-1) (PIC32MX7 Schematic)
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* --- ---------------------------------- -------------------- ------------------------
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* 6 RC1/T2CK LCD_RST TFT display
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* 43 PMA1/AETXD3/AN14/ERXD2/PMALH/RB14 LCD-CS# TFT display, HDR2 pin 3
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* 77 OC3/RD2 LCD_BLED LCD backlight LED
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* 44 PMA0/AETXD2/AN15/CN12/ERXD3/OCFB/ LCD-RS TFT display
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* PMALL/RB15
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*
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* 34 PMA13/AN10/RB10/CVREFOUT LCD-YD TFT display
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* 35 PMA12/AETXERR/AN11/ERXERR/RB11 LCD-XR TFT display
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* 41 PMA11/AECRS/AN12/ERXD0/RB12 LCD-YU TFT display
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* 42 PMA10/AECOL/AN13/ERXD1/RB13 LCD-XL TFT display
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*
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* 93 PMD0/RE0 PMPD0 TFT display, HDR1 pin 18
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* 94 PMD1/RE1 PMPD1 TFT display, HDR1 pin 17
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* 98 PMD2/RE2 PMPD2 TFT display, HDR1 pin 16
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* 99 PMD3/RE3 PMPD3 TFT display, HDR1 pin 15
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* 100 PMD4/RE4 PMPD4 TFT display, HDR1 pin 14
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* 3 PMD5/RE5 PMPD5 TFT display, HDR1 pin 13
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* 4 PMD6/RE6 PMPD6 TFT display, HDR1 pin 12
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* 5 PMD7/RE7 PMPD7 TFT display, HDR1 pin 11
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* 90 PMD8/C2RX/RG0 PMPD8 TFT display, HDR1 pin 10
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* 89 PMD9/C2TX/ETXERR/RG1 PMPD9 TFT display, HDR1 pin 9
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* 88 PMD10/C1TX/ETXD0/RF1 PMPD10 TFT display, HDR1 pin 8
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* 87 PMD11/C1RX/ETXD1/RF0 PMPD11 TFT display, HDR1 pin 7
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* 79 PMD12/ETXD2/IC5/RD12 PMPD12 TFT display, HDR1 pin 6
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* 80 PMD13/CN19/ETXD3/RD13 PMPD13 TFT display, HDR1 pin 5
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* 83 PMD14/CN15/ETXEN/RD6 PMPD14 TFT display, HDR1 pin 4
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* 84 PMD15/CN16/ETXCLK/RD7 PMPD15 TFT display, HDR1 pin 3
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*
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* 82 CN14/PMRD/RD5 PMPRD
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* 81 CN13/OC5/PMWR/RD4 PMPWR
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*/
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/* RC1, Reset -- Low value holds in reset */
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#define GPIO_LCD_RST (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTC|GPIO_PIN1)
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/* RB14, LCD select -- Low value selects LCD */
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#define GPIO_LCD_CS (GPIO_OUTPUT|GPIO_VALUE_ONE|GPIO_PORTB|GPIO_PIN14)
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/* RD2, Backlight -- Low value turns off */
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#define GPIO_LCD_BLED (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTD|GPIO_PIN2)
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/* RB15, RS -- High values selects data */
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#define GPIO_LCD_RS (GPIO_OUTPUT|GPIO_VALUE_ZERO|GPIO_PORTB|GPIO_PIN15)
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/* Debug ******************************************************************************/
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#ifdef CONFIG_DEBUG_LCD
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# define lcddbg dbg
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# define lcdvdbg vdbg
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#else
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# define lcddbg(x...)
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# define lcdvdbg(x...)
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#endif
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/**************************************************************************************
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* Private Type Definition
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**************************************************************************************/
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struct pic32mx7mmb_dev_s
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{
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struct mio283qt2_lcd_s dev; /* The externally visible part of the driver */
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bool rs; /* true=data selected */
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bool cs; /* true=LCD selected */
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FAR struct lcd_dev_s *drvr; /* The saved instance of the LCD driver */
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};
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/**************************************************************************************
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* Private Function Protototypes
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**************************************************************************************/
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/* Low Level LCD access */
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static void pic32mx_select(FAR struct mio283qt2_lcd_s *dev);
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static void pic32mx_deselect(FAR struct mio283qt2_lcd_s *dev);
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static void pic32mx_index(FAR struct mio283qt2_lcd_s *dev, uint8_t index);
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#ifndef CONFIG_MIO283QT2_WRONLY
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static uint16_t pic32mx_read(FAR struct mio283qt2_lcd_s *dev);
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#endif
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static void pic32mx_write(FAR struct mio283qt2_lcd_s *dev, uint16_t data);
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static void pic32mx_backlight(FAR struct mio283qt2_lcd_s *dev, int power);
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||||
/**************************************************************************************
|
||||
* Private Data
|
||||
**************************************************************************************/
|
||||
|
||||
/* This is the driver state structure (there is no retained state information) */
|
||||
|
||||
static struct pic32mx7mmb_dev_s g_pic32mx7mmb_lcd =
|
||||
{
|
||||
{
|
||||
.select = pic32mx_select,
|
||||
.deselect = pic32mx_deselect,
|
||||
.index = pic32mx_index,
|
||||
#ifndef CONFIG_MIO283QT2_WRONLY
|
||||
.read = pic32mx_read,
|
||||
#endif
|
||||
.write = pic32mx_write,
|
||||
.backlight = pic32mx_backlight
|
||||
}
|
||||
};
|
||||
|
||||
/**************************************************************************************
|
||||
* Private Functions
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_command
|
||||
*
|
||||
* Description:
|
||||
* Configure to write an LCD command
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_command(FAR struct pic32mx7mmb_dev_s *priv)
|
||||
{
|
||||
/* Low selects command */
|
||||
|
||||
if (priv->rs)
|
||||
{
|
||||
pic32mx_gpiowrite(GPIO_LCD_RS, false);
|
||||
priv->rs = false;
|
||||
}
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_data
|
||||
*
|
||||
* Description:
|
||||
* Configure to read or write LCD data
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_data(FAR struct pic32mx7mmb_dev_s *priv)
|
||||
{
|
||||
/* Hi selects data */
|
||||
|
||||
if (!priv->rs)
|
||||
{
|
||||
pic32mx_gpiowrite(GPIO_LCD_RS, true);
|
||||
priv->rs = true;
|
||||
}
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_data
|
||||
*
|
||||
* Description:
|
||||
* Wait until the PMP is no longer busy
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_busywait(void)
|
||||
{
|
||||
while ((getreg32(PIC32MX_PMP_MODE) & PMP_MODE_BUSY) != 0);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_select
|
||||
*
|
||||
* Description:
|
||||
* Select the LCD device
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_select(FAR struct mio283qt2_lcd_s *dev)
|
||||
{
|
||||
FAR struct pic32mx7mmb_dev_s *priv = (FAR struct pic32mx7mmb_dev_s *)dev;
|
||||
|
||||
/* CS low selects */
|
||||
|
||||
if (!priv->cs)
|
||||
{
|
||||
pic32mx_gpiowrite(GPIO_LCD_CS, false);
|
||||
priv->cs = true;
|
||||
}
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_deselect
|
||||
*
|
||||
* Description:
|
||||
* De-select the LCD device
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_deselect(FAR struct mio283qt2_lcd_s *dev)
|
||||
{
|
||||
FAR struct pic32mx7mmb_dev_s *priv = (FAR struct pic32mx7mmb_dev_s *)dev;
|
||||
|
||||
/* CS high de-selects */
|
||||
|
||||
if (priv->cs)
|
||||
{
|
||||
pic32mx_gpiowrite(GPIO_LCD_CS, true);
|
||||
priv->cs = false;
|
||||
}
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_index
|
||||
*
|
||||
* Description:
|
||||
* Set the index register
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_index(FAR struct mio283qt2_lcd_s *dev, uint8_t index)
|
||||
{
|
||||
FAR struct pic32mx7mmb_dev_s *priv = (FAR struct pic32mx7mmb_dev_s *)dev;
|
||||
|
||||
/* Make sure that the PMP is not busy from the last transaction. Read data is not
|
||||
* available until the busy bit becomes zero.
|
||||
*/
|
||||
|
||||
pic32mx_busywait();
|
||||
|
||||
/* Write the 8-bit command (on the 16-bit data bus) */
|
||||
|
||||
pic32mx_command(priv);
|
||||
putreg16((uint16_t)index, PIC32MX_PMP_DIN);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_read
|
||||
*
|
||||
* Description:
|
||||
* Read LCD data (GRAM data or register contents)
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
#ifndef CONFIG_MIO283QT2_WRONLY
|
||||
static uint16_t pic32mx_read(FAR struct mio283qt2_lcd_s *dev)
|
||||
{
|
||||
FAR struct pic32mx7mmb_dev_s *priv = (FAR struct pic32mx7mmb_dev_s *)dev;
|
||||
|
||||
/* Make sure that the PMP is not busy from the last transaction. Read data is not
|
||||
* available until the busy bit becomes zero.
|
||||
*/
|
||||
|
||||
pic32mx_busywait();
|
||||
|
||||
/* Read 16-bits of data */
|
||||
|
||||
pic32mx_data(priv);
|
||||
return getreg16(PIC32MX_PMP_DIN);
|
||||
}
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_write
|
||||
*
|
||||
* Description:
|
||||
* Write LCD data (GRAM data or register contents)
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_write(FAR struct mio283qt2_lcd_s *dev, uint16_t data)
|
||||
{
|
||||
FAR struct pic32mx7mmb_dev_s *priv = (FAR struct pic32mx7mmb_dev_s *)dev;
|
||||
|
||||
/* Make sure that the PMP is not busy from the last transaction */
|
||||
|
||||
pic32mx_busywait();
|
||||
|
||||
/* Write 16-bits of data */
|
||||
|
||||
pic32mx_data(priv);
|
||||
putreg16(data, PIC32MX_PMP_DIN);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: pic32mx_write
|
||||
*
|
||||
* Description:
|
||||
* Write LCD data (GRAM data or register contents)
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
static void pic32mx_backlight(FAR struct mio283qt2_lcd_s *dev, int power)
|
||||
{
|
||||
/* For now, we just control the backlight as a discrete. Pulse width modulation
|
||||
* would be required to vary the backlight level. A low value turns the backlight
|
||||
* off.
|
||||
*/
|
||||
|
||||
pic32mx_gpiowrite(GPIO_LCD_BLED, power > 0);
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Functions
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: up_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD video hardware. The initial state of the LCD is fully
|
||||
* initialized, display memory cleared, and the LCD ready to use, but with the power
|
||||
* setting at 0 (full off).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
int up_lcdinitialize(void)
|
||||
{
|
||||
uint32_t regval;
|
||||
|
||||
/* Only initialize the driver once. NOTE: The LCD GPIOs were already configured
|
||||
* by pic32mx_lcdinitialize.
|
||||
*/
|
||||
|
||||
if (!g_pic32mx7mmb_lcd.drvr)
|
||||
{
|
||||
lcdvdbg("Initializing\n");
|
||||
|
||||
/* Hold the LCD in reset (active low) */
|
||||
|
||||
pic32mx_gpiowrite(GPIO_LCD_RST, false);
|
||||
|
||||
/* Configure PMP to support the LCD */
|
||||
|
||||
putreg32(0, PIC32MX_PMP_MODE);
|
||||
putreg32(0, PIC32MX_PMP_AEN);
|
||||
putreg32(0, PIC32MX_PMP_CON);
|
||||
|
||||
/* Set LCD timing values, PMP master mode 2, 16-bit mode, no address
|
||||
* increment, and no interrupts.
|
||||
*/
|
||||
|
||||
regval = (PMP_MODE_WAITE_RD(0) | PMP_MODE_WAITM(3) | PMP_MODE_WAITB_1TPB |
|
||||
PMP_MODE_MODE_MODE2 | PMP_MODE_MODE16 | PMP_MODE_INCM_NONE |
|
||||
PMP_MODE_IRQM_NONE);
|
||||
putreg32(regval, PIC32MX_PMP_MODE);
|
||||
|
||||
/* Enable the PMP for reading and writing */
|
||||
|
||||
regval = (PMP_CON_CSF_ADDR1415 | PMP_CON_PTRDEN | PMP_CON_PTWREN |
|
||||
PMP_CON_ADRMUX_NONE | PMP_CON_ON);
|
||||
putreg32(regval, PIC32MX_PMP_CON);
|
||||
|
||||
/* Bring the LCD out of reset */
|
||||
|
||||
up_mdelay(5);
|
||||
pic32mx_gpiowrite(GPIO_LCD_RST, true);
|
||||
|
||||
/* Configure and enable the LCD */
|
||||
|
||||
up_mdelay(50);
|
||||
g_pic32mx7mmb_lcd.drvr = mio283qt2_lcdinitialize(&g_pic32mx7mmb_lcd.dev);
|
||||
if (!g_pic32mx7mmb_lcd.drvr)
|
||||
{
|
||||
lcddbg("ERROR: mio283qt2_lcdinitialize failed\n");
|
||||
return -ENODEV;
|
||||
}
|
||||
}
|
||||
|
||||
/* Clear the display (setting it to the color 0=black) */
|
||||
|
||||
#if 0 /* Already done in the driver */
|
||||
mio283qt2_clear(g_pic32mx7mmb_lcd.drvr, 0);
|
||||
#endif
|
||||
|
||||
/* Turn the display off */
|
||||
|
||||
g_pic32mx7mmb_lcd.drvr->setpower(g_pic32mx7mmb_lcd.drvr, 0);
|
||||
return OK;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: up_lcdgetdev
|
||||
*
|
||||
* Description:
|
||||
* Return a a reference to the LCD object for the specified LCD. This allows support
|
||||
* for multiple LCD devices.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
FAR struct lcd_dev_s *up_lcdgetdev(int lcddev)
|
||||
{
|
||||
DEBUGASSERT(lcddev == 0);
|
||||
return g_pic32mx7mmb_lcd.drvr;
|
||||
}
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: up_lcduninitialize
|
||||
*
|
||||
* Description:
|
||||
* Unitialize the LCD support
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
void up_lcduninitialize(void)
|
||||
{
|
||||
/* Turn the display off */
|
||||
|
||||
g_pic32mx7mmb_lcd.drvr->setpower(g_pic32mx7mmb_lcd.drvr, 0);
|
||||
}
|
||||
|
||||
#endif /* CONFIG_LCD_MIO283QT2 */
|
||||
|
||||
/****************************************************************************
|
||||
* Name: pic32mx_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD. This function should be called early in the boot
|
||||
* sequendce -- Even if the LCD is not enabled. In that case we should
|
||||
* at a minimum at least disable the LCD backlight.
|
||||
*
|
||||
****************************************************************************/
|
||||
|
||||
void pic32mx_lcdinitialize(void)
|
||||
{
|
||||
/* Configure all LCD discrete controls. LCD will be left in this state:
|
||||
* 1. Held in reset,
|
||||
* 2. Not selected,
|
||||
* 3. Backlight off,
|
||||
* 4. Command selected.
|
||||
*/
|
||||
|
||||
#ifdef CONFIG_LCD_MIO283QT2
|
||||
pic32mx_configgpio(GPIO_LCD_RST);
|
||||
pic32mx_configgpio(GPIO_LCD_CS);
|
||||
pic32mx_configgpio(GPIO_LCD_BLED);
|
||||
pic32mx_configgpio(GPIO_LCD_RS);
|
||||
|
||||
#else
|
||||
/* Just configure the backlight control as an output and turn off the
|
||||
* backlight for now.
|
||||
*/
|
||||
|
||||
pic32mx_configgpio(GPIO_LCD_BLED);
|
||||
#endif
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -55,6 +55,10 @@ ifeq ($(CONFIG_LCD_SSD1289),y)
|
|||
CSRCS += ssd1289.c
|
||||
endif
|
||||
|
||||
ifeq ($(CONFIG_LCD_MIO283QT2),y)
|
||||
CSRCS += mio283qt2.c
|
||||
endif
|
||||
|
||||
# Include LCD driver build support
|
||||
|
||||
DEPPATH += --dep-path lcd
|
||||
|
|
|
|||
File diff suppressed because it is too large
Load Diff
|
|
@ -0,0 +1,149 @@
|
|||
/**************************************************************************************
|
||||
* include/nuttx/lcd/mio283qt2.h
|
||||
*
|
||||
* Interface definition for the MI0283QT-2 LCD from Multi-Inno Technology Co., Ltd.
|
||||
* This LCD is based on the Himax HX8347-D LCD controller.
|
||||
|
||||
* Copyright (C) 2012 Gregory Nutt. All rights reserved.
|
||||
* Author: Gregory Nutt <gnutt@nuttx.org>
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions
|
||||
* are met:
|
||||
*
|
||||
* 1. Redistributions of source code must retain the above copyright
|
||||
* notice, this list of conditions and the following disclaimer.
|
||||
* 2. Redistributions in binary form must reproduce the above copyright
|
||||
* notice, this list of conditions and the following disclaimer in
|
||||
* the documentation and/or other materials provided with the
|
||||
* distribution.
|
||||
* 3. Neither the name NuttX nor the names of its contributors may be
|
||||
* used to endorse or promote products derived from this software
|
||||
* without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
||||
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
||||
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
|
||||
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
|
||||
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
|
||||
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
|
||||
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
|
||||
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
|
||||
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||||
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
|
||||
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
|
||||
* POSSIBILITY OF SUCH DAMAGE.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
#ifndef __INCLUDE_NUTTX_LCD_MIO283QT2_H
|
||||
#define __INCLUDE_NUTTX_LCD_MIO283QT2_H
|
||||
|
||||
/**************************************************************************************
|
||||
* Included Files
|
||||
**************************************************************************************/
|
||||
|
||||
#include <nuttx/config.h>
|
||||
|
||||
#ifdef CONFIG_LCD_MIO283QT2
|
||||
|
||||
/**************************************************************************************
|
||||
* Pre-processor Definitions
|
||||
**************************************************************************************/
|
||||
/* Configuration **********************************************************************/
|
||||
/* CONFIG_LCD_MIO283QT2 - Enables support for the MIO283QT2-based LCD.
|
||||
* CONFIG_LCD_NOGETRUN
|
||||
* NX components need to know if it can read from the LCD or not. If reading from the
|
||||
* LCD is supported then some graphic operations can be improved. Default: Supported
|
||||
* CONFIG_LCD_LANDSCAPE - Define for 320x240 display "landscape" support. Default is
|
||||
* this 320x240 "landscape" orientation.
|
||||
* CONFIG_LCD_RLANDSCAPE - Define for 320x240 display "reverse landscape" support.
|
||||
* Default is this 320x240 "landscape" orientation
|
||||
* CONFIG_LCD_PORTRAIT - Define for 240x320 display "portrait" orientation support.
|
||||
* Default is this 320x240 "landscape" orientation
|
||||
* CONFIG_LCD_RPORTRAIT - Define for 240x320 display "reverse portrait" orientation
|
||||
* support. Default is this 320x240 "landscape" orientation
|
||||
*/
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Types
|
||||
**************************************************************************************/
|
||||
|
||||
/* This structure defines the interface to the LCD provided by the platform. The
|
||||
* nature of this interface is hidden from the MIO283QT2 driver.
|
||||
*/
|
||||
|
||||
struct mio283qt2_lcd_s
|
||||
{
|
||||
/* Interface to write to a MIO283QT2 register.
|
||||
*
|
||||
* - select Select the device (as necessary). The meaning of selecting (and
|
||||
* and deselecting) is not defined. select() will be called before
|
||||
* starting any sequence of operations. deselect() when that sequence
|
||||
* of operations is complete.
|
||||
* - deselect Deselect the device (as necessary)
|
||||
* - index Set register index
|
||||
* - read Read data from the LCD (auto-incrementing)
|
||||
* - write Write data to the LCD (auto-incrementing)
|
||||
* - backlight Set the backlight power level (0=OFF; CONFIG_LCD_MAXPOWER=MAX)
|
||||
*/
|
||||
|
||||
void (*select)(FAR struct mio283qt2_lcd_s *dev);
|
||||
void (*deselect)(FAR struct mio283qt2_lcd_s *dev);
|
||||
void (*index)(FAR struct mio283qt2_lcd_s *dev, uint8_t index);
|
||||
#ifndef CONFIG_LCD_NOGETRUN
|
||||
uint16_t (*read)(FAR struct mio283qt2_lcd_s *dev);
|
||||
#endif
|
||||
void (*write)(FAR struct mio283qt2_lcd_s *dev, uint16_t value);
|
||||
void (*backlight)(FAR struct mio283qt2_lcd_s *dev, int power);
|
||||
|
||||
/* platform-specific data may follow */
|
||||
};
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Data
|
||||
**************************************************************************************/
|
||||
|
||||
#ifdef __cplusplus
|
||||
#define EXTERN extern "C"
|
||||
extern "C" {
|
||||
#else
|
||||
#define EXTERN extern
|
||||
#endif
|
||||
|
||||
/**************************************************************************************
|
||||
* Public Function Prototypes
|
||||
**************************************************************************************/
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt2_lcdinitialize
|
||||
*
|
||||
* Description:
|
||||
* Initialize the LCD video hardware. The initial state of the LCD is fully
|
||||
* initialized, display memory cleared, and the LCD ready to use, but with the power
|
||||
* setting at 0 (full off).
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
EXTERN FAR struct lcd_dev_s *mio283qt2_lcdinitialize(FAR struct mio283qt2_lcd_s *lcd);
|
||||
|
||||
/**************************************************************************************
|
||||
* Name: mio283qt2_clear
|
||||
*
|
||||
* Description:
|
||||
* This is a non-standard LCD interface. Because of the various rotations, clearing
|
||||
* the display in the normal way by writing a sequences of runs that covers the
|
||||
* entire display can be very slow. Here the display is cleared by simply setting
|
||||
* all GRAM memory to the specified color.
|
||||
*
|
||||
**************************************************************************************/
|
||||
|
||||
EXTERN void mio283qt2_clear(FAR struct lcd_dev_s *dev, uint16_t color);
|
||||
|
||||
#undef EXTERN
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
#endif /* CONFIG_LCD_MIO283QT2 */
|
||||
#endif /* __INCLUDE_NUTTX_LCD_MIO283QT2_H */
|
||||
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Reference in New Issue