215 lines
7.1 KiB
C
215 lines
7.1 KiB
C
/*
|
|
* @brief LCD controller Registers and control functions
|
|
*
|
|
* @note
|
|
* Copyright(C) NXP Semiconductors, 2012
|
|
* All rights reserved.
|
|
*
|
|
* @par
|
|
* Software that is described herein is for illustrative purposes only
|
|
* which provides customers with programming information regarding the
|
|
* LPC products. This software is supplied "AS IS" without any warranties of
|
|
* any kind, and NXP Semiconductors and its licensor disclaim any and
|
|
* all warranties, express or implied, including all implied warranties of
|
|
* merchantability, fitness for a particular purpose and non-infringement of
|
|
* intellectual property rights. NXP Semiconductors assumes no responsibility
|
|
* or liability for the use of the software, conveys no license or rights under any
|
|
* patent, copyright, mask work right, or any other intellectual property rights in
|
|
* or to any products. NXP Semiconductors reserves the right to make changes
|
|
* in the software without notification. NXP Semiconductors also makes no
|
|
* representation or warranty that such application will be suitable for the
|
|
* specified use without further testing or modification.
|
|
*
|
|
* @par
|
|
* Permission to use, copy, modify, and distribute this software and its
|
|
* documentation is hereby granted, under NXP Semiconductors' and its
|
|
* licensor's relevant copyrights in the software, without fee, provided that it
|
|
* is used in conjunction with NXP Semiconductors microcontrollers. This
|
|
* copyright, permission, and disclaimer notice must appear in all copies of
|
|
* this code.
|
|
*/
|
|
|
|
#include "lcd_001.h"
|
|
|
|
/*****************************************************************************
|
|
* Private types/enumerations/variables
|
|
****************************************************************************/
|
|
|
|
/*****************************************************************************
|
|
* Public types/enumerations/variables
|
|
****************************************************************************/
|
|
|
|
/*****************************************************************************
|
|
* Private functions
|
|
****************************************************************************/
|
|
|
|
/*****************************************************************************
|
|
* Public functions
|
|
****************************************************************************/
|
|
|
|
/* Initialize the LCD controller */
|
|
void IP_LCD_Init(IP_LCD_001_Type *LCDx, LCD_Config_Type *LCD_ConfigStruct)
|
|
{
|
|
uint32_t i, regValue, *pPal;
|
|
uint32_t pcd;
|
|
|
|
/* disable the display */
|
|
LCDx->CTRL &= ~CLCDC_LCDCTRL_ENABLE;
|
|
|
|
/* Setting LCD_TIMH register */
|
|
regValue = ( ((((LCD_ConfigStruct->PPL / 16) - 1) & 0x3F) << 2)
|
|
| (( (LCD_ConfigStruct->HSW - 1) & 0xFF) << 8)
|
|
| (( (LCD_ConfigStruct->HFP - 1) & 0xFF) << 16)
|
|
| (( (LCD_ConfigStruct->HBP - 1) & 0xFF) << 24) );
|
|
LCDx->TIMH = regValue;
|
|
|
|
/* Setting LCD_TIMV register */
|
|
regValue = ((((LCD_ConfigStruct->LPP - 1) & 0x3FF) << 0)
|
|
| (((LCD_ConfigStruct->VSW - 1) & 0x03F) << 10)
|
|
| (((LCD_ConfigStruct->VFP - 1) & 0x0FF) << 16)
|
|
| (((LCD_ConfigStruct->VBP - 1) & 0x0FF) << 24) );
|
|
LCDx->TIMV = regValue;
|
|
|
|
/* Generate the clock and signal polarity control word */
|
|
regValue = 0;
|
|
regValue = (((LCD_ConfigStruct->ACB - 1) & 0x1F) << 6);
|
|
regValue |= (LCD_ConfigStruct->IOE & 1) << 14;
|
|
regValue |= (LCD_ConfigStruct->IPC & 1) << 13;
|
|
regValue |= (LCD_ConfigStruct->IHS & 1) << 12;
|
|
regValue |= (LCD_ConfigStruct->IVS & 1) << 11;
|
|
|
|
/* Compute clocks per line based on panel type */
|
|
switch (LCD_ConfigStruct->LCD) {
|
|
case LCD_MONO_4:
|
|
regValue |= ((((LCD_ConfigStruct->PPL / 4) - 1) & 0x3FF) << 16);
|
|
break;
|
|
|
|
case LCD_MONO_8:
|
|
regValue |= ((((LCD_ConfigStruct->PPL / 8) - 1) & 0x3FF) << 16);
|
|
break;
|
|
|
|
case LCD_CSTN:
|
|
regValue |= (((((LCD_ConfigStruct->PPL * 3) / 8) - 1) & 0x3FF) << 16);
|
|
break;
|
|
|
|
case LCD_TFT:
|
|
default:
|
|
regValue |= /*1<<26 |*/ (((LCD_ConfigStruct->PPL - 1) & 0x3FF) << 16);
|
|
}
|
|
|
|
/* panel clock divisor */
|
|
pcd = 5;// LCD_ConfigStruct->pcd; // TODO: should be calculated from LCDDCLK
|
|
pcd &= 0x3FF;
|
|
regValue |= ((pcd >> 5) << 27) | ((pcd) & 0x1F);
|
|
LCDx->POL = regValue;
|
|
|
|
/* disable interrupts */
|
|
LCDx->INTMSK = 0;
|
|
|
|
/* set bits per pixel */
|
|
regValue = LCD_ConfigStruct->BPP << 1;
|
|
|
|
/* set color format RGB */
|
|
regValue |= LCD_ConfigStruct->color_format << 8;
|
|
regValue |= LCD_ConfigStruct->LCD << 4;
|
|
if (LCD_ConfigStruct->Dual == 1) {
|
|
regValue |= 1 << 7;
|
|
}
|
|
LCDx->CTRL = regValue;
|
|
|
|
/* clear palette */
|
|
pPal = (uint32_t *) (&(LCDx->PAL));
|
|
for (i = 0; i < 128; i++) {
|
|
*pPal = 0;
|
|
pPal++;
|
|
}
|
|
}
|
|
|
|
/* Power the LCD Panel (power pin) */
|
|
void IP_LCD_Power(IP_LCD_001_Type *LCDx, FunctionalState OnOff) {
|
|
volatile int i;
|
|
if (OnOff) {
|
|
LCDx->CTRL |= CLCDC_LCDCTRL_PWR;
|
|
for (i = 0; i < 1000000; i++) {}
|
|
LCDx->CTRL |= CLCDC_LCDCTRL_ENABLE;
|
|
}
|
|
else {
|
|
LCDx->CTRL &= ~CLCDC_LCDCTRL_PWR;
|
|
for (i = 0; i < 1000000; i++) {}
|
|
LCDx->CTRL &= ~CLCDC_LCDCTRL_ENABLE;
|
|
}
|
|
}
|
|
|
|
/* Enable/Disable the LCD Controller */
|
|
void IP_LCD_Enable(IP_LCD_001_Type *LCDx, FunctionalState EnDis) {
|
|
if (EnDis) {
|
|
LCDx->CTRL |= CLCDC_LCDCTRL_ENABLE;
|
|
}
|
|
else {
|
|
LCDx->CTRL &= ~CLCDC_LCDCTRL_ENABLE;
|
|
}
|
|
}
|
|
|
|
/* Set LCD Upper Panel Frame Buffer for Single Panel or Upper Panel Frame Buffer for Dual Panel */
|
|
void IP_LCD_SetUPFrameBuffer(IP_LCD_001_Type *LCDx, void *buffer) {
|
|
LCDx->UPBASE = (uint32_t) buffer;
|
|
}
|
|
|
|
/* Set LCD Lower Panel Frame Buffer for Dual Panel */
|
|
void IP_LCD_SetLPFrameBuffer(IP_LCD_001_Type *LCDx, void *buffer) {
|
|
LCDx->LPBASE = (uint32_t) buffer;
|
|
}
|
|
|
|
/* Configure Cursor */
|
|
void IP_LCD_Cursor_Config(IP_LCD_001_Type *LCDx, LCD_CURSOR_SIZE_OPT cursor_size, bool sync) {
|
|
LCDx->CRSR_CFG = ((sync ? 1 : 0) << 1) | cursor_size;
|
|
}
|
|
|
|
/* Get Internal Cursor Image Buffer Address */
|
|
void *IP_LCD_Cursor_GetImageBufferAddress(IP_LCD_001_Type *LCDx, uint8_t cursor_num) {
|
|
return (void *) &(LCDx->CRSR_IMG[cursor_num * 64]);
|
|
}
|
|
|
|
/* Enable Cursor */
|
|
void IP_LCD_Cursor_Enable(IP_LCD_001_Type *LCDx, uint8_t cursor_num, FunctionalState OnOff) {
|
|
if (OnOff) {
|
|
LCDx->CRSR_CTRL = (cursor_num << 4) | 1;
|
|
}
|
|
else {
|
|
LCDx->CRSR_CTRL = (cursor_num << 4);
|
|
}
|
|
}
|
|
|
|
/* Load Cursor Palette 0 */
|
|
void IP_LCD_Cursor_LoadPalette0(IP_LCD_001_Type *LCDx, uint32_t palette_color) {
|
|
/* 7:0 - Red
|
|
15:8 - Green
|
|
23:16 - Blue
|
|
31:24 - Not used*/
|
|
LCDx->CRSR_PAL0 = (uint32_t) palette_color;
|
|
}
|
|
|
|
/* Load Cursor Palette 1 */
|
|
void IP_LCD_Cursor_LoadPalette1(IP_LCD_001_Type *LCDx, uint32_t palette_color) {
|
|
/* 7:0 - Red
|
|
15:8 - Green
|
|
23:16 - Blue
|
|
31:24 - Not used*/
|
|
LCDx->CRSR_PAL1 = (uint32_t) palette_color;
|
|
}
|
|
|
|
/* Set Cursor Position */
|
|
void IP_LCD_Cursor_SetPos(IP_LCD_001_Type *LCDx, uint16_t x, uint16_t y) {
|
|
LCDx->CRSR_XY = (x & 0x3FF) | ((y & 0x3FF) << 16);
|
|
}
|
|
|
|
/* Set Cursor Clipping Position */
|
|
void IP_LCD_Cursor_SetClip(IP_LCD_001_Type *LCDx, uint16_t x, uint16_t y) {
|
|
LCDx->CRSR_CLIP = (x & 0x3F) | ((y & 0x3F) << 8);
|
|
}
|
|
|
|
/* Load Color Palette */
|
|
void IP_LCD_Color_LoadPalette(IP_LCD_001_Type *LCDx, uint32_t *palette_addr, uint32_t index) {
|
|
LCDx->PAL[index] = *(uint32_t *) palette_addr;
|
|
}
|