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Add MD-UV380 platform files

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Federico Amedeo Izzo 2020-10-23 22:06:50 +02:00 committed by Niccolò Izzo
parent 6b0f0242d1
commit cb099b1171
2 changed files with 108 additions and 0 deletions
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46
platform/targets/MD-UV380/hwconfig.h Normal file
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/***************************************************************************
* Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN, *
* Silvano Seva IU2KWO *
* *
* 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, see <http://www.gnu.org/licenses/> *
***************************************************************************/
#ifndef HWCONFIG_H
#define HWCONFIG_H
#include "stm32f4xx.h"
/* Screen dimensions */
#define SCREEN_WIDTH 160
#define SCREEN_HEIGHT 128
/* Defines for GPIO control, really ugly but useful. */
#define LCD_D0 GPIOD,14
#define LCD_D1 GPIOD,15
#define LCD_D2 GPIOD,0
#define LCD_D3 GPIOD,1
#define LCD_D4 GPIOE,7
#define LCD_D5 GPIOE,8
#define LCD_D6 GPIOE,9
#define LCD_D7 GPIOE,10
#define LCD_WR GPIOD,5
#define LCD_RD GPIOD,4
#define LCD_CS GPIOD,6
#define LCD_RS GPIOD,12
#define LCD_RST GPIOD,13
#define LCD_BKLIGHT GPIOD,8
#endif

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platform/targets/MD-UV380/platform.c Normal file
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/***************************************************************************
* Copyright (C) 2020 by Federico Amedeo Izzo IU2NUO, *
* Niccolò Izzo IU2KIN *
* Silvano Seva IU2KWO *
* *
* 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, see <http://www.gnu.org/licenses/> *
***************************************************************************/
#include <stm32f4xx.h>
#include "platform.h"
#include "hwconfig.h"
#include "gpio.h"
void platform_init()
{
/*
* Configure TIM8 for backlight PWM: Fpwm = 100kHz, 8 bit of resolution
* APB2 freq. is 84MHz, then: PSC = 327 to have Ftick = 256.097kHz
* With ARR = 256, Fpwm is 100kHz;
*/
RCC->APB2ENR |= RCC_APB2ENR_TIM8EN;
TIM8->ARR = 255;
TIM8->PSC = 327;
TIM8->CNT = 0;
TIM8->CR1 |= TIM_CR1_ARPE; /* LCD backlight is on PC6, TIM8-CH1 */
TIM8->CCMR1 |= TIM_CCMR1_OC1M_2
| TIM_CCMR1_OC1M_1
| TIM_CCMR1_OC1PE;
TIM8->CCER |= TIM_CCER_CC1E;
TIM8->BDTR |= TIM_BDTR_MOE;
TIM8->CCR1 = 0;
TIM8->EGR = TIM_EGR_UG; /* Update registers */
TIM8->CR1 |= TIM_CR1_CEN; /* Start timer */
/* Configure backlight GPIO, TIM8 is on AF3 */
gpio_setMode(LCD_BKLIGHT, ALTERNATE);
gpio_setAlternateFunction(LCD_BKLIGHT, 3);
}
void platform_terminate()
{
/* Shut off backlight */
gpio_setMode(LCD_BKLIGHT, OUTPUT);
gpio_clearPin(LCD_BKLIGHT);
RCC->APB2ENR &= ~RCC_APB2ENR_TIM8EN;
}
void platform_setBacklightLevel(uint8_t level)
{
TIM8->CCR1 = level;
}