Mike's bootloader sources + added as option, for Taranis only for now (not as clean as it could be, bootloader is always built even if not selected - didn't find how to nest ifs in makefile :\ ) (Issue #546)
This commit is contained in:
Andre Bernet
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/**
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******************************************************************************
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* @file Project/lcd/lcd.c
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* @author X9D Application Team
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* @Hardware version V0.2
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* @date 11-July-2012
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* @brief This file provides LCD Init and botom drivers.
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* *
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******************************************************************************
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*/
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#include "radio.h"
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#include "stm32f2xx.h"
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#include "stm32f2xx_gpio.h"
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#include "stm32f2xx_rcc.h"
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#include "hal.h"
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#include "aspi.h"
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#include "timers.h"
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#include "lcd.h"
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#include "logicio.h"
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#define WriteData(x) AspiData(x)
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#define WriteCommand(x) AspiCmd(x)
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#define CONTRAST_OFS 5
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#define __no_operation __NOP
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extern uint8_t DisplayBuf[] ;
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void Set_Address(uint8_t x, uint8_t y)
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{
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WriteCommand(x&0x0F); //Set Column Address LSB CA[3:0]
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WriteCommand((x>>4)|0x10); //Set Column Address MSB CA[7:4]
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WriteCommand((y&0x0F)|0x60); //Set Row Address LSB RA [3:0]
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WriteCommand(((y>>4)&0x0F)|0x70); //Set Row Address MSB RA [7:4]
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}
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void refreshDisplay()
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{
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for (uint32_t y=0; y<DISPLAY_H; y++)
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{
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uint8_t *p = &DisplayBuf[(y>>3)*DISPLAY_W];
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uint8_t mask = (1 << (y%8));
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GPIO_TypeDef *gpiod = GPIOD ;
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Set_Address(0, y);
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AspiCmd(0xAF);
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gpiod->BSRRL = PIN_LCD_CLK ; // Clock high
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gpiod->BSRRL = PIN_LCD_A0 ; // A0 high
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gpiod->BSRRH = PIN_LCD_NCS ; // CS low
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for (uint32_t x=0; x<DISPLAY_W; x+=2)
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{
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uint32_t data ;
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data = 0 ;
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if ( p[x] & mask )
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{
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data = 0xF0 ;
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}
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if (p[x+1] & mask )
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{
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data += 0x0F ;
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}
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if(data&0x80)
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{
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gpiod->BSRRL = PIN_LCD_MOSI ;
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}
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else
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{
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gpiod->BSRRH = PIN_LCD_MOSI ;
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}
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x40)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x20)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x10)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x08)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x04)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x02)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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if(data&0x01)
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{
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gpiod->BSRRL = PIN_LCD_MOSI | PIN_LCD_CLK ;
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}
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else
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{
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*(uint32_t *)&gpiod->BSRRL = (PIN_LCD_MOSI<<16) | PIN_LCD_CLK ;
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}
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__no_operation() ;
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gpiod->BSRRH = PIN_LCD_CLK ; // Clock low
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__no_operation() ;
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gpiod->BSRRL = PIN_LCD_CLK ; // Clock high
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}
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gpiod->BSRRL = PIN_LCD_NCS ;
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gpiod->BSRRL = PIN_LCD_A0 ;
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WriteData(0);
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}
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}
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uint16_t BacklightBrightness ;
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void backlight_on()
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{
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TIM10->CCR1 = 100 - BacklightBrightness ;
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}
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void backlight_off()
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{
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TIM10->CCR1 = 0 ;
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}
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void backlight_set( uint16_t brightness )
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{
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BacklightBrightness = brightness ;
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TIM10->CCR1 = 100 - BacklightBrightness ;
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}
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/**Init the Backlight GPIO */
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static void LCD_BL_Config()
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{
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOBL, ENABLE);
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GPIO_InitTypeDef GPIO_InitStructure;
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GPIO_InitStructure.GPIO_Pin =GPIO_Pin_BL;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_AF;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(GPIOBL, &GPIO_InitStructure);
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GPIO_PinAFConfig(GPIOBL, GPIO_PinSource_BL ,GPIO_AF_TIM10);
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RCC->APB2ENR |= RCC_APB2ENR_TIM10EN ; // Enable clock
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TIM10->ARR = 100 ;
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TIM10->PSC = (Peri2_frequency*Timer_mult2) / 10000 - 1 ; // 100uS from 30MHz
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TIM10->CCMR1 = 0x60 ; // PWM
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TIM10->CCER = 1 ;
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BacklightBrightness = 80 ;
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TIM10->CCR1 = BacklightBrightness ;
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TIM10->EGR = 0 ;
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TIM10->CR1 = 1 ;
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}
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/** Init the anolog spi gpio
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*/
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static void LCD_Hardware_Init()
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{
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RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_LCD, ENABLE);
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GPIO_InitTypeDef GPIO_InitStructure;
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/*!< Configure lcd CLK\ MOSI\ A0pin in output pushpull mode *************/
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GPIO_InitStructure.GPIO_Pin =PIN_LCD_MOSI | PIN_LCD_CLK | PIN_LCD_A0;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
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GPIO_Init(GPIO_LCD, &GPIO_InitStructure);
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/*!< Configure lcd NCS pin in output pushpull mode ,PULLUP *************/
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GPIO_InitStructure.GPIO_Pin = PIN_LCD_NCS | PIN_LCD_RST ;
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GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
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GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
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GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
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GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
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GPIO_Init(GPIO_LCD, &GPIO_InitStructure);
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}
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static void LCD_Init()
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{
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LCD_BL_Config() ;
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/*Hardware Reset need delay*/
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/*LCD_RST_LOW();
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Delay(50);
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LCD_RST_HIGH();*/
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AspiCmd(0x25); //Temperature compensation curve definition: 0x25 = -0.05%/oC
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AspiCmd(0x2b); //Panel loading set ,Internal VLCD.
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AspiCmd(0xEA); //set bias=1/10 :Command table NO.27
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AspiCmd(0x81); //Set Vop
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AspiCmd(25+CONTRAST_OFS); //0--255
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AspiCmd(0xA6); //inverse display off
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AspiCmd(0xD1); //SET RGB:Command table NO.21 .SET RGB or BGR. D1=RGB
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AspiCmd(0xD5); //set color mode 4K and 12bits :Command table NO.22
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AspiCmd(0xA0); //line rates,25.2 Klps
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AspiCmd(0xC8); //SET N-LINE INVERSION
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AspiCmd(0x1D); //Disable NIV
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AspiCmd(0xF1); //Set CEN
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AspiCmd(0x3F); // 1/64DUTY
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AspiCmd(0x84); //Disable Partial Display
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AspiCmd(0xC4); //MY=1,MX=0
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AspiCmd(0x89); //WA=1,column (CA) increment (+1) first until CA reaches CA boundary, then RA will increment by (+1).
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AspiCmd(0xF8); //Set Window Program Enable ,inside modle
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AspiCmd(0xF4); //starting column address of RAM program window.
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AspiCmd(0x00);
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AspiCmd(0xF5); //starting row address of RAM program window.
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AspiCmd(0x60);
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AspiCmd(0xF6); //ending column address of RAM program window.
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AspiCmd(0x47);
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AspiCmd(0xF7); //ending row address of RAM program window.
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AspiCmd(0x9F);
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AspiCmd(0xAF); //dc2=1,IC into exit SLEEP MODE, dc3=1 gray=ON ¿ª»Ò½× ,dc4=1 Green Enhanc mode disabled ÂÌÉ«Ôöǿģʽ¹Ø
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}
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static void Delay(volatile unsigned int ms)
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{
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volatile u8 i;
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while(ms != 0)
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{
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for(i=0;i<250;i++) {}
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for(i=0;i<75;i++) {}
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ms--;
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}
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}
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void lcd_init()
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{
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GPIO_TypeDef *gpiod = GPIOD ;
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LCD_BL_Config();
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LCD_Hardware_Init();
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gpiod->BSRRL = PIN_LCD_RST ; // RST high
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Delay(5);
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gpiod->BSRRH = PIN_LCD_RST ; // RST low
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Delay(120); //11ms
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gpiod->BSRRL = PIN_LCD_RST ; // RST high
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Delay(2500);
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AspiCmd(0xE2);
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Delay(2500);
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LCD_Init();
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Delay(120);
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AspiCmd(0xAF); //dc2=1, IC into exit SLEEP MODE, dc3=1 gray=ON, dc4=1 Green Enhanc mode disabled
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}
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void lcdSetRefVolt(uint8_t val)
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{
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AspiCmd(0x81); //Set Vop
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AspiCmd(val+CONTRAST_OFS); //0--255
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}
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