bsp_lcd.c
266 lines
| 7.5 KiB
| text/x-c
|
CLexer
r79 | /*------------------------------------------------------------------------------ | |||
-- This file is a part of the libuc, microcontroler library | ||||
-- Copyright (C) 2013, Alexis Jeandet | ||||
-- | ||||
-- This program is free software; you can redistribute it and/or modify | ||||
-- it under the terms of the GNU General Public License as published by | ||||
-- the Free Software Foundation; either version 3 of the License, or | ||||
-- (at your option) any later version. | ||||
-- | ||||
-- This program is distributed in the hope that it will be useful, | ||||
-- but WITHOUT ANY WARRANTY; without even the implied warranty of | ||||
-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||||
-- GNU General Public License for more details. | ||||
-- | ||||
-- You should have received a copy of the GNU General Public License | ||||
-- along with this program; if not, write to the Free Software | ||||
-- Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||||
------------------------------------------------------------------------------- | ||||
-- Author : Alexis Jeandet | ||||
-- Mail : alexis.jeandet@member.fsf.org | ||||
-------------------------------------------------------------------------------*/ | ||||
#include "bsp.h" | ||||
#include <streamdevices.h> | ||||
#include <malloc.h> | ||||
#include <gpio.h> | ||||
#include <uart.h> | ||||
#include <stdio.h> | ||||
#include <stm32f4xx_gpio.h> | ||||
#include <stm32f4xx_fsmc.h> | ||||
#include <stm32f4xx_rcc.h> | ||||
#include <i2c.h> | ||||
#include <core.h> | ||||
#include <terminal.h> | ||||
#define clr_RS gpioclr(LCD_RS) | ||||
#define set_RS gpioset(LCD_RS) | ||||
#define clr_CS gpioclr(LCD_CS) | ||||
#define set_CS gpioset(LCD_CS) | ||||
volatile int8_t* lcd0_CMD=(volatile int8_t*)0x60000000; | ||||
volatile int16_t* lcd0_CMD16=(volatile int16_t*)0x60000000; | ||||
volatile int8_t* lcd0_DATA=(volatile int8_t*)0x61FFFFF0; | ||||
volatile int16_t* lcd0_DATA16=(volatile int16_t*)0x61FFFFF0; | ||||
/* | ||||
D0 PD14 D1 PD15 D2 PD0 D3 PD1 D4 PE7 | ||||
D5 PE8 D6 PE9 D7 PE10 | ||||
A20 PE4 = RS FSMC_NE1 PD7 CS FSMC_NWE PD5 W/S | ||||
FSMC_NOE PD4 RD | ||||
*/ | ||||
int bsp_FSMC_init() | ||||
{ | ||||
gpio_t LCD_DBxList[]={PD14,PD15,PD0,PD1,PE7,PE8,PE9,PE10\ | ||||
,PD4,PD5}; | ||||
// gpio_t LCD_DBxList[]={PD14,PD15,PD0,PD1,PE7,PE8,PE9,PE10\ | ||||
// ,PD4,PD5,PD7,PE4}; | ||||
for(int i=0;i<10;i++) | ||||
{ | ||||
gpio_t LCD_DBx = gpioopen(LCD_DBxList[i]); | ||||
Alexis Jeandet
|
r104 | gpiosetconfig(LCD_DBx, gpioaf, gpiohighspeed, gpiopushpulltype, gpionopulltype); | ||
r79 | GPIO_PinAFConfig(GPIOGETPORT(LCD_DBx), (uint8_t)(LCD_DBx & 0xF), GPIO_AF_FSMC); | |||
} | ||||
FSMC_NORSRAMInitTypeDef FSMC_NORSRAMInitStructure; | ||||
FSMC_NORSRAMTimingInitTypeDef p; | ||||
/* Enable FSMC clock */ | ||||
RCC_AHB3PeriphClockCmd(RCC_AHB3Periph_FSMC, ENABLE); | ||||
/*-- FSMC Configuration ------------------------------------------------------*/ | ||||
/*----------------------- SRAM Bank 3 ----------------------------------------*/ | ||||
/* FSMC_Bank1_NORSRAM4 configuration */ | ||||
p.FSMC_AddressSetupTime = 1;//3 | ||||
p.FSMC_AddressHoldTime = 1;//3 | ||||
//ili9328 -> data setup time > 10ns | ||||
p.FSMC_DataSetupTime = 6; | ||||
p.FSMC_CLKDivision = 3; | ||||
if(getCpuFreq()>=100*1000*1000) | ||||
{ | ||||
p.FSMC_CLKDivision = 3; | ||||
p.FSMC_DataSetupTime = 6;// 11; | ||||
} | ||||
p.FSMC_BusTurnAroundDuration = 0; | ||||
p.FSMC_DataLatency = 3; | ||||
//ili9328 -> data hold time > 15ns | ||||
if(getCpuFreq()>66*1000*1000) | ||||
p.FSMC_DataLatency = 3; | ||||
p.FSMC_AccessMode = FSMC_AccessMode_D; | ||||
FSMC_NORSRAMInitStructure.FSMC_Bank = FSMC_Bank1_NORSRAM1; | ||||
FSMC_NORSRAMInitStructure.FSMC_DataAddressMux = FSMC_DataAddressMux_Disable; | ||||
FSMC_NORSRAMInitStructure.FSMC_MemoryType = FSMC_MemoryType_NOR; | ||||
FSMC_NORSRAMInitStructure.FSMC_MemoryDataWidth = FSMC_MemoryDataWidth_8b; | ||||
FSMC_NORSRAMInitStructure.FSMC_BurstAccessMode = FSMC_BurstAccessMode_Disable; | ||||
FSMC_NORSRAMInitStructure.FSMC_AsynchronousWait = FSMC_AsynchronousWait_Disable; | ||||
FSMC_NORSRAMInitStructure.FSMC_WaitSignalPolarity = FSMC_WaitSignalPolarity_Low; | ||||
FSMC_NORSRAMInitStructure.FSMC_WrapMode = FSMC_WrapMode_Disable; | ||||
FSMC_NORSRAMInitStructure.FSMC_WaitSignalActive = FSMC_WaitSignalActive_BeforeWaitState; | ||||
FSMC_NORSRAMInitStructure.FSMC_WriteOperation = FSMC_WriteOperation_Enable; | ||||
FSMC_NORSRAMInitStructure.FSMC_WaitSignal = FSMC_WaitSignal_Disable; | ||||
FSMC_NORSRAMInitStructure.FSMC_ExtendedMode = FSMC_ExtendedMode_Enable; //Dis | ||||
FSMC_NORSRAMInitStructure.FSMC_WriteBurst = FSMC_WriteBurst_Disable; | ||||
FSMC_NORSRAMInitStructure.FSMC_ReadWriteTimingStruct = &p; | ||||
FSMC_NORSRAMInitStructure.FSMC_WriteTimingStruct = &p; | ||||
FSMC_NORSRAMInit(&FSMC_NORSRAMInitStructure); | ||||
FSMC_NORSRAMCmd(FSMC_Bank1_NORSRAM1, ENABLE); | ||||
gpioset(LCD_RESET); | ||||
gpioclr(LCD_RESET); | ||||
delay_100us(500); | ||||
gpioset(LCD_RESET); | ||||
delay_100us(500); | ||||
lcd0.init(&lcd0); | ||||
gpioset(LCD_BACKL); | ||||
return 1; | ||||
} | ||||
void bsp_lcd0_write_reg(uint32_t reg,uint32_t data) | ||||
{ | ||||
uint8_t* pt8 = (uint8_t*)(void*)(®); | ||||
#if __BYTE_ORDER__==__ORDER_BIG_ENDIAN__ | ||||
*lcd0_CMD=pt8[3]; | ||||
*lcd0_CMD=pt8[2]; | ||||
pt8 = (uint8_t*)(void*)&data; | ||||
*lcd0_DATA=pt8[3]; | ||||
*lcd0_DATA=pt8[2]; | ||||
#else | ||||
clr_CS; | ||||
clr_RS; | ||||
*lcd0_CMD=pt8[1]; | ||||
*lcd0_CMD=pt8[0]; | ||||
set_RS; | ||||
pt8 = (uint8_t*)(void*)&data; | ||||
*lcd0_DATA=pt8[1]; | ||||
*lcd0_DATA=pt8[0]; | ||||
set_CS; | ||||
#endif | ||||
} | ||||
uint32_t bsp_lcd0_read_reg(uint32_t reg) | ||||
{ | ||||
uint8_t* pt8 = (uint8_t*)(void*)(®); | ||||
uint32_t DATA=0; | ||||
#if __BYTE_ORDER__==__ORDER_BIG_ENDIAN__ | ||||
*lcd0_CMD=pt8[3]; | ||||
*lcd0_CMD=pt8[2]; | ||||
pt8 = (uint8_t*)(void*)&DATA; | ||||
pt8[3]=*lcd0_DATA; | ||||
pt8[2]=*lcd0_DATA; | ||||
#else | ||||
clr_CS; | ||||
clr_RS; | ||||
*lcd0_CMD=pt8[1]; | ||||
*lcd0_CMD=pt8[0]; | ||||
set_RS; | ||||
pt8 = (uint8_t*)(void*)&DATA; | ||||
pt8[1]=*lcd0_DATA; | ||||
pt8[0]=*lcd0_DATA; | ||||
set_CS; | ||||
#endif | ||||
return DATA; | ||||
} | ||||
void bsp_lcd0_writeGRAM(void* buffer,uint32_t count) | ||||
{ | ||||
uint32_t reg =ILI9328_REGISTER_WRITEDATATOGRAM; | ||||
uint8_t* pt8 = (uint8_t*)(void*)(®); | ||||
#if __BYTE_ORDER__==__ORDER_BIG_ENDIAN__ | ||||
*lcd0_CMD=pt8[3]; | ||||
*lcd0_CMD=pt8[2]; | ||||
pt8 = (uint8_t*)(void*)buffer; | ||||
for(int i=0;i<(int)count;i++) | ||||
{ | ||||
*lcd0_DATA=pt8[(2*i) +1]; | ||||
*lcd0_DATA=pt8[2*i]; | ||||
} | ||||
#else | ||||
clr_CS; | ||||
clr_RS; | ||||
*lcd0_CMD=pt8[1]; | ||||
*lcd0_CMD=pt8[0]; | ||||
set_RS; | ||||
pt8 = (uint8_t*)(void*)buffer; | ||||
for(int i=0;i<(int)count;i++) | ||||
{ | ||||
*lcd0_DATA=pt8[(2*i) +1]; | ||||
*lcd0_DATA=pt8[2*i]; | ||||
} | ||||
set_CS; | ||||
#endif | ||||
} | ||||
void bsp_lcd0_readGRAM(void* buffer,uint32_t count) | ||||
{ | ||||
//uint32_t reg =ILI9328_REGISTER_WRITEDATATOGRAM; | ||||
volatile uint8_t* pt8;// = (uint8_t*)(void*)® | ||||
/* #if __BYTE_ORDER__==__ORDER_BIG_ENDIAN__ | ||||
*lcd0_CMD=pt8[3]; | ||||
*lcd0_CMD=pt8[2]; | ||||
pt8 = (uint8_t*)(void*)buffer; | ||||
for(int i=0;i<(int)count;i++) | ||||
{ | ||||
pt8[(2*i) +1]=*lcd0_DATA; | ||||
pt8[2*i]=*lcd0_DATA; | ||||
} | ||||
#else | ||||
*lcd0_CMD=(uint8_t)0; | ||||
*lcd0_CMD=(uint8_t)0; | ||||
*lcd0_CMD=(uint8_t)0; | ||||
*lcd0_CMD=(uint8_t)0; | ||||
*lcd0_CMD=pt8[1]; | ||||
*lcd0_CMD=pt8[0]; | ||||
pt8 = (uint8_t*)buffer;*/ | ||||
/* | ||||
* x dummy reads Cf ili9328 datasheet p79! | ||||
*/ | ||||
/* pt8[0]=*lcd0_DATA; | ||||
pt8[1]=*lcd0_DATA; | ||||
for(int i=0;i<(int)count;i++) | ||||
{ | ||||
pt8[(2*i) +1]=*lcd0_DATA; | ||||
pt8[2*i]=*lcd0_DATA; | ||||
pt8[(2*i) +1]=*lcd0_DATA; | ||||
pt8[2*i]=*lcd0_DATA; | ||||
} | ||||
#endif*/ | ||||
//clr_CS; | ||||
//clr_RS; | ||||
//*lcd0_CMD=(int8_t)0; | ||||
//*lcd0_CMD=(int8_t)0x22; | ||||
// *lcd0_CMD=(int8_t)0x00; | ||||
//set_RS; | ||||
pt8 = (uint8_t*)buffer; | ||||
//pt8[1]=*lcd0_DATA; | ||||
//pt8[0]=*lcd0_DATA; | ||||
pt8[0]=0xFF; | ||||
pt8[1]=0xFF; | ||||
/* for(int i=0;i<(int)count;i++) | ||||
{ | ||||
pt8[(2*i)+1]= *lcd0_DATA; | ||||
pt8[2*i]= *lcd0_DATA; | ||||
}*/ | ||||
set_CS; | ||||
} | ||||