/*------------------------------------------------------------------------------ -- 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 #include #include #include #include #include #include #include #include #include #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]); LCD_DBx |= gpiohighspeed | gpioaf | gpiopushpulltype | gpionopulltype; gpiosetconfig(&LCD_DBx); 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; }