SSD1312: Add new GDISP driver
parent
f1a34c9852
commit
b40425a0ae
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@ -0,0 +1,92 @@
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#pragma once
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#include <stm32f4xx_hal.h>
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#include <string.h>
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// The command byte to put on the front of each page line
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#define SSD1312_PAGE_PREFIX 0x40 // Co = 0, D/C = 1
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static I2C_HandleTypeDef i2cHandle;
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static GFXINLINE void init_board(GDisplay *g)
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{
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(void) g;
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// GPIO
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{
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GPIO_InitTypeDef GPIO_InitStruct = {0};
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__HAL_RCC_GPIOB_CLK_ENABLE();
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// I2C SCL
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GPIO_InitStruct.Pin = GPIO_PIN_8;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_PP;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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// I2C SDA
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GPIO_InitStruct.Pin = GPIO_PIN_9;
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GPIO_InitStruct.Mode = GPIO_MODE_AF_OD;
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GPIO_InitStruct.Pull = GPIO_PULLUP;
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GPIO_InitStruct.Speed = GPIO_SPEED_FAST;
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GPIO_InitStruct.Alternate = GPIO_AF4_I2C1;
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HAL_GPIO_Init(GPIOB, &GPIO_InitStruct);
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}
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// I2C1
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{
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__HAL_RCC_I2C1_CLK_ENABLE();
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i2cHandle.Instance = I2C1;
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i2cHandle.Init.AddressingMode = I2C_ADDRESSINGMODE_7BIT;
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i2cHandle.Init.ClockSpeed = 400000;
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i2cHandle.Init.DualAddressMode = I2C_DUALADDRESS_DISABLE;
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i2cHandle.Init.DutyCycle = I2C_DUTYCYCLE_2;
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i2cHandle.Init.GeneralCallMode = I2C_GENERALCALL_DISABLE;
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i2cHandle.Init.NoStretchMode = I2C_NOSTRETCH_DISABLE;
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if (HAL_I2C_Init(&i2cHandle) != HAL_OK)
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gfxHalt("I2C HAL init error");
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}
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}
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static GFXINLINE void post_init_board(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void setpin_reset(GDisplay *g, gBool state)
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{
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(void) g;
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(void) state;
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}
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static GFXINLINE void acquire_bus(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void release_bus(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void write_cmd(GDisplay *g, gU8 *data, gU16 length)
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{
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(void) g;
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gU8 buf[4]; // length is always <= 3
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buf[0] = 0x00;
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memcpy(buf+1, data, length);
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HAL_I2C_Master_Transmit(&i2cHandle, (0x3c << 1), buf, length+1, 10000);
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}
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static GFXINLINE void write_data(GDisplay *g, gU8 *data, gU16 length)
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{
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(void) g;
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HAL_I2C_Master_Transmit(&i2cHandle, (0x3c << 1), data, length, 10000);
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}
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@ -32,6 +32,7 @@ FEATURE: Add cmake support
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FIX: Add missing driver.mk to SSD1322 driver.
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FEATURE: LGDP4532 driver improvements.
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FIX: Win32 Keyboard driver now retrieves lock key states on window activate
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FEATURE: Add SSD1312 GDISP driver
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*** Release 2.9 ***
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/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.io/license.html
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*/
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#pragma once
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/**
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* The command byte to put in front of each page line.
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*
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* If this is defined, each page line is prefixed with the specified value in the locally
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* maintained framebuffer.
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*
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* This can be omitted and handled inside of write_data() manually instead.
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*/
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#define SSD1312_PAGE_PREFIX 0x40 // Co = 0, D/C = 1
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static GFXINLINE void init_board(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void post_init_board(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void setpin_reset(GDisplay *g, gBool state)
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{
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(void) g;
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(void) state;
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}
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static GFXINLINE void acquire_bus(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void release_bus(GDisplay *g)
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{
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(void) g;
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}
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static GFXINLINE void write_cmd(GDisplay *g, gU8 *data, gU16 length)
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{
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(void) g;
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(void) data;
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(void) length;
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}
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static GFXINLINE void write_data(GDisplay *g, gU8 *data, gU16 length)
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{
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(void) g;
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(void) data;
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(void) length;
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}
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@ -0,0 +1,8 @@
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list(APPEND ugfx_INCLUDE_DIRS
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${CMAKE_CURRENT_LIST_DIR}
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)
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list(APPEND ugfx_SOURCES
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${CMAKE_CURRENT_LIST_DIR}/gdisp_lld_SSD1312.c
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)
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@ -0,0 +1,3 @@
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GFXINC += $(GFXLIB)/drivers/gdisp/SSD1312
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GFXSRC += $(GFXLIB)/drivers/gdisp/SSD1312/gdisp_lld_SSD1312.c
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@ -0,0 +1,391 @@
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/*
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* This file is subject to the terms of the GFX License. If a copy of
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* the license was not distributed with this file, you can obtain one at:
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*
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* http://ugfx.io/license.html
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*/
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#include "gfx.h"
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#if GFX_USE_GDISP
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#define GDISP_DRIVER_VMT GDISPVMT_SSD1312
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#include "gdisp_lld_config.h"
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#include "../../../src/gdisp/gdisp_driver.h"
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#include "board_SSD1312.h"
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/*===========================================================================*/
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/* Driver local definitions. */
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/*===========================================================================*/
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#ifndef GDISP_SCREEN_HEIGHT
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#define GDISP_SCREEN_HEIGHT 32 // This controller should also support 64 (untested)
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#endif
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#ifndef GDISP_SCREEN_WIDTH
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#define GDISP_SCREEN_WIDTH 128
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#endif
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#ifndef GDISP_INITIAL_CONTRAST
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#define GDISP_INITIAL_CONTRAST 100
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#endif
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#ifndef GDISP_INITIAL_BACKLIGHT
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#define GDISP_INITIAL_BACKLIGHT 100
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#endif
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#ifdef SSD1312_PAGE_PREFIX
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#define SSD1312_PAGE_WIDTH (GDISP_SCREEN_WIDTH+1)
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#define SSD1312_PAGE_OFFSET 1
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#else
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#define SSD1312_PAGE_WIDTH GDISP_SCREEN_WIDTH
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#define SSD1312_PAGE_OFFSET 0
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#endif
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#define GDISP_FLG_NEEDFLUSH (GDISP_FLG_DRIVER<<0)
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/*===========================================================================*/
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/* Driver local functions. */
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/*===========================================================================*/
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// Some common routines and macros
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#define RAM(g) ((gU8 *)g->priv)
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#define xyaddr(x, y) (SSD1312_PAGE_OFFSET + (x) + ((y)>>3)*SSD1312_PAGE_WIDTH)
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#define xybit(y) (1<<((y)&7))
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#define write_cmd_1(g, a) { gU8 cmd[1]; cmd[0] = a; write_cmd(g, cmd, 1); }
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#define write_cmd_2(g, a, b) { gU8 cmd[2]; cmd[0] = a; cmd[1] = b; write_cmd(g, cmd, 2); }
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/*===========================================================================*/
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/* Driver exported functions. */
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/*===========================================================================*/
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/**
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* As this controller can't update on a pixel boundary we need to maintain the
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* the entire display surface in memory so that we can do the necessary bit
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* operations. Fortunately it is a small monochrome display.
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* 64 * 128 / 8 = 1024 bytes.
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*/
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LLDSPEC gBool gdisp_lld_init(GDisplay *g)
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{
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// The private area is the display surface.
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g->priv = gfxAlloc(GDISP_SCREEN_HEIGHT/8 * SSD1312_PAGE_WIDTH);
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if (!g->priv)
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return gFalse;
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// Fill in the prefix command byte on each page line of the display buffer
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// We can do this during initialisation as we're being careful that this byte is never overwritten.
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#ifdef SSD1312_PAGE_PREFIX
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for (unsigned i = 0; i < GDISP_SCREEN_HEIGHT/8 * SSD1312_PAGE_WIDTH; i += SSD1312_PAGE_WIDTH)
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RAM(g)[i] = SSD1312_PAGE_PREFIX;
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#endif
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// Initialise the board interface
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init_board(g);
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// Hardware reset
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setpin_reset(g, gTrue);
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gfxSleepMilliseconds(20);
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setpin_reset(g, gFalse);
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gfxSleepMilliseconds(200);
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acquire_bus(g);
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// Configuration
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// This might require display module vendor specific changes
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{
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// Display off
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write_cmd_1(g, 0xAE);
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// Clock divider
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write_cmd_2(g, 0xD5, 0x80);
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// Multiplex ratio
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write_cmd_2(g, 0xA8, 0x1F);
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// Display offset
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write_cmd_2(g, 0xD3, 0x30);
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// Display start line
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write_cmd_1(g, 0x40);
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// Charge pump
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write_cmd_2(g, 0x8D, 0x72); // 0x10 if Vcc externally supplied
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// Segment re-map
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write_cmd_1(g, 0xA1);
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// COM output scan direction
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write_cmd_1(g, 0xC0);
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// COM pin hardware configuration
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write_cmd_2(g, 0xDA, 0x10);
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// Set internal/external current reference
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write_cmd_2(g, 0xAD, 0x50);
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// Set contract
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write_cmd_2(g, 0x81, 0x17);
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// Set pre-charge period
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write_cmd_2(g, 0xD9, 0xF1);
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// Set VCOMH select level
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write_cmd_2(g, 0xDB, 0x30);
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// Set entire display on/off
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write_cmd_1(g, 0xA4);
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// Set normal/inverse display
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write_cmd_1(g, 0xA6);
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// Page addressing mode
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write_cmd_2(g, 0x20, 0x02);
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// Display on
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write_cmd_1(g, 0xAF);
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}
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release_bus(g);
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// Finish Init
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post_init_board(g);
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// Initialise the GDISP structure
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g->g.Width = GDISP_SCREEN_WIDTH;
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g->g.Height = GDISP_SCREEN_HEIGHT;
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g->g.Orientation = gOrientation0;
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g->g.Powermode = gPowerOn;
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g->g.Backlight = GDISP_INITIAL_BACKLIGHT;
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g->g.Contrast = GDISP_INITIAL_CONTRAST;
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return gTrue;
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}
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#if GDISP_HARDWARE_FLUSH
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LLDSPEC void gdisp_lld_flush(GDisplay *g)
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{
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gU8 * ram;
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unsigned pages;
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// Only flush if necessary
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if (!(g->flags & GDISP_FLG_NEEDFLUSH))
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return;
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ram = RAM(g);
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pages = GDISP_SCREEN_HEIGHT/8;
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acquire_bus(g);
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write_cmd_1(g, 0x40 | 0);
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while (pages--) {
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write_cmd_1(g, 0xB0 + (((GDISP_SCREEN_HEIGHT/8)-1)-pages));
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write_cmd_1(g, 0x00);
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write_cmd_1(g, 0x10);
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write_data(g, ram, SSD1312_PAGE_WIDTH);
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ram += SSD1312_PAGE_WIDTH;
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}
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release_bus(g);
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g->flags &= ~GDISP_FLG_NEEDFLUSH;
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}
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#endif
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#if GDISP_HARDWARE_DRAWPIXEL
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LLDSPEC void gdisp_lld_draw_pixel(GDisplay *g)
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{
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gCoord x, y;
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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x = g->p.x;
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y = g->p.y;
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break;
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case gOrientation90:
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x = g->p.y;
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y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
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break;
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case gOrientation180:
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x = GDISP_SCREEN_WIDTH-1 - g->p.x;
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y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
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break;
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case gOrientation270:
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x = GDISP_SCREEN_WIDTH-1 - g->p.y;
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y = g->p.x;
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break;
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}
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if (gdispColor2Native(g->p.color) != gdispColor2Native(GFX_BLACK))
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RAM(g)[xyaddr(x, y)] |= xybit(y);
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else
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RAM(g)[xyaddr(x, y)] &= ~xybit(y);
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g->flags |= GDISP_FLG_NEEDFLUSH;
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}
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#endif
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#if GDISP_HARDWARE_PIXELREAD
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LLDSPEC gColor gdisp_lld_get_pixel_color(GDisplay *g)
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{
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gCoord x, y;
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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x = g->p.x;
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y = g->p.y;
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break;
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case gOrientation90:
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x = g->p.y;
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y = GDISP_SCREEN_HEIGHT-1 - g->p.x;
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break;
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case gOrientation180:
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x = GDISP_SCREEN_WIDTH-1 - g->p.x;
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y = GDISP_SCREEN_HEIGHT-1 - g->p.y;
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break;
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case gOrientation270:
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x = GDISP_SCREEN_WIDTH-1 - g->p.y;
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y = g->p.x;
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break;
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}
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return (RAM(g)[xyaddr(x, y)] & xybit(y)) ? GFX_WHITE : GFX_BLACK;
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}
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#endif
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#if GDISP_HARDWARE_FILLS
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LLDSPEC void gdisp_lld_fill_area(GDisplay *g)
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{
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gCoord sy, ey;
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gCoord sx, ex;
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gCoord col;
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unsigned spage, zpages;
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gU8 * base;
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gU8 mask;
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switch(g->g.Orientation) {
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default:
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case gOrientation0:
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sx = g->p.x;
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ex = g->p.x + g->p.cx - 1;
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sy = g->p.y;
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ey = sy + g->p.cy - 1;
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break;
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case gOrientation90:
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sx = g->p.y;
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ex = g->p.y + g->p.cy - 1;
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sy = GDISP_SCREEN_HEIGHT - g->p.x - g->p.cx;
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ey = GDISP_SCREEN_HEIGHT-1 - g->p.x;
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break;
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case gOrientation180:
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sx = GDISP_SCREEN_WIDTH - g->p.x - g->p.cx;
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ex = GDISP_SCREEN_WIDTH-1 - g->p.x;
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sy = GDISP_SCREEN_HEIGHT - g->p.y - g->p.cy;
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ey = GDISP_SCREEN_HEIGHT-1 - g->p.y;
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break;
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case gOrientation270:
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sx = GDISP_SCREEN_WIDTH - g->p.y - g->p.cy;
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ex = GDISP_SCREEN_WIDTH-1 - g->p.y;
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sy = g->p.x;
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ey = g->p.x + g->p.cx - 1;
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break;
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}
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spage = sy / 8;
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base = RAM(g) + SSD1312_PAGE_OFFSET + SSD1312_PAGE_WIDTH * spage;
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mask = 0xff << (sy&7);
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zpages = (ey / 8) - spage;
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if (gdispColor2Native(g->p.color) == gdispColor2Native(GFX_BLACK)) {
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while (zpages--) {
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for (col = sx; col <= ex; col++)
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base[col] &= ~mask;
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mask = 0xff;
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base += SSD1312_PAGE_WIDTH;
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}
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mask &= (0xff >> (7 - (ey&7)));
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for (col = sx; col <= ex; col++)
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base[col] &= ~mask;
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}
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else {
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while (zpages--) {
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for (col = sx; col <= ex; col++)
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base[col] |= mask;
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mask = 0xff;
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base += SSD1312_PAGE_WIDTH;
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}
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mask &= (0xff >> (7 - (ey&7)));
|
||||
for (col = sx; col <= ex; col++)
|
||||
base[col] |= mask;
|
||||
}
|
||||
g->flags |= GDISP_FLG_NEEDFLUSH;
|
||||
}
|
||||
#endif
|
||||
|
||||
#if GDISP_NEED_CONTROL && GDISP_HARDWARE_CONTROL
|
||||
LLDSPEC void gdisp_lld_control(GDisplay *g)
|
||||
{
|
||||
switch(g->p.x) {
|
||||
case GDISP_CONTROL_POWER:
|
||||
if (g->g.Powermode == (gPowermode)g->p.ptr)
|
||||
return;
|
||||
switch((gPowermode)g->p.ptr) {
|
||||
case gPowerOff:
|
||||
case gPowerSleep:
|
||||
case gPowerDeepSleep:
|
||||
acquire_bus(g);
|
||||
write_cmd_1(g, 0xAE);
|
||||
release_bus(g);
|
||||
break;
|
||||
case gPowerOn:
|
||||
acquire_bus(g);
|
||||
write_cmd_1(g, 0xAF);
|
||||
release_bus(g);
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
g->g.Powermode = (gPowermode)g->p.ptr;
|
||||
return;
|
||||
|
||||
case GDISP_CONTROL_ORIENTATION:
|
||||
if (g->g.Orientation == (gOrientation)g->p.ptr)
|
||||
return;
|
||||
|
||||
switch((gOrientation)g->p.ptr) {
|
||||
// Rotation is handled by the drawing routines
|
||||
case gOrientation0:
|
||||
case gOrientation180:
|
||||
g->g.Height = GDISP_SCREEN_HEIGHT;
|
||||
g->g.Width = GDISP_SCREEN_WIDTH;
|
||||
break;
|
||||
case gOrientation90:
|
||||
case gOrientation270:
|
||||
g->g.Height = GDISP_SCREEN_WIDTH;
|
||||
g->g.Width = GDISP_SCREEN_HEIGHT;
|
||||
break;
|
||||
default:
|
||||
return;
|
||||
}
|
||||
|
||||
g->g.Orientation = (gOrientation)g->p.ptr;
|
||||
return;
|
||||
|
||||
case GDISP_CONTROL_CONTRAST:
|
||||
if ((unsigned)g->p.ptr > 100)
|
||||
g->p.ptr = (void *)100;
|
||||
acquire_bus(g);
|
||||
write_cmd_2(g, 0x81, (((unsigned)g->p.ptr)<<8)/101);
|
||||
release_bus(g);
|
||||
g->g.Contrast = (unsigned)g->p.ptr;
|
||||
return;
|
||||
|
||||
// Our own special controller code to inverse the display
|
||||
// 0 = normal, 1 = inverse
|
||||
case GDISP_CONTROL_INVERSE:
|
||||
acquire_bus(g);
|
||||
write_cmd_1(g, g->p.ptr ? 0xA7: 0xA6);
|
||||
release_bus(g);
|
||||
return;
|
||||
}
|
||||
}
|
||||
#endif // GDISP_NEED_CONTROL
|
||||
|
||||
#endif // GFX_USE_GDISP
|
||||
|
|
@ -0,0 +1,31 @@
|
|||
/*
|
||||
* This file is subject to the terms of the GFX License. If a copy of
|
||||
* the license was not distributed with this file, you can obtain one at:
|
||||
*
|
||||
* http://ugfx.io/license.html
|
||||
*/
|
||||
|
||||
#ifndef _GDISP_LLD_CONFIG_H
|
||||
#define _GDISP_LLD_CONFIG_H
|
||||
|
||||
#if GFX_USE_GDISP
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Driver hardware support. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#define GDISP_HARDWARE_FLUSH GFXON // This controller requires flushing
|
||||
#define GDISP_HARDWARE_DRAWPIXEL GFXON
|
||||
#define GDISP_HARDWARE_PIXELREAD GFXON
|
||||
#define GDISP_HARDWARE_CONTROL GFXON
|
||||
#define GDISP_HARDWARE_FILLS GFXON
|
||||
|
||||
#define GDISP_LLD_PIXELFORMAT GDISP_PIXELFORMAT_MONO
|
||||
|
||||
// This controller supports a special gdispControl() to inverse the display.
|
||||
// Pass a parameter of 1 for inverse and 0 for normal.
|
||||
#define GDISP_CONTROL_INVERSE (GDISP_CONTROL_LLD+0)
|
||||
|
||||
#endif // GFX_USE_GDISP
|
||||
|
||||
#endif // _GDISP_LLD_CONFIG_H
|
|
@ -24,6 +24,7 @@ S6D1121 - Mid-sized color LCD displays eg RGB565 320x240
|
|||
SPFD54124B - Mid-sized color LCD displays eg RGB565 320x240
|
||||
SSD1289 - Mid-sized color LCD displays eg RGB565 320x240
|
||||
SSD1306 - Small monochrome LCD
|
||||
SSD1312 - Small monochrome LCD (usually 128x32 or 128x64 OLED)
|
||||
SSD1322 - Small 16 level grayscale LCD
|
||||
SSD1331 - Small hardware accelerated OLED display RGB565 96x64
|
||||
SSD1351 - Mid-sized color LCD displays eg RGB565 320x240
|
||||
|
|
Loading…
Reference in New Issue