kopia lustrzana https://github.com/OpenRTX/OpenRTX
232 wiersze
6.3 KiB
C
232 wiersze
6.3 KiB
C
/***************************************************************************
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* Copyright (C) 2022 - 2023 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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* *
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* This program is free software; you can redistribute it and/or modify *
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* it under the terms of the GNU General Public License as published by *
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* the Free Software Foundation; either version 3 of the License, or *
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* (at your option) any later version. *
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* *
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* This program is distributed in the hope that it will be useful, *
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* but WITHOUT ANY WARRANTY; without even the implied warranty of *
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
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* GNU General Public License for more details. *
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* *
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* You should have received a copy of the GNU General Public License *
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* along with this program; if not, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#include <interfaces/platform.h>
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#include <peripherals/gpio.h>
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#include <hwconfig.h>
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#include <string.h>
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#include <ADC1_MDx.h>
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#include <calibInfo_MDx.h>
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#include <interfaces/nvmem.h>
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#include <toneGenerator_MDx.h>
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#include <peripherals/rtc.h>
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#include <interfaces/audio.h>
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#include <chSelector.h>
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#ifdef ENABLE_BKLIGHT_DIMMING
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#include <backlight.h>
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#endif
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static const hwInfo_t hwInfo =
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{
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.vhf_maxFreq = 174,
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.vhf_minFreq = 136,
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.vhf_band = 1,
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.uhf_maxFreq = 470,
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.uhf_minFreq = 400,
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.uhf_band = 1,
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.hw_version = 0,
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.name = "DM-1701"
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};
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void platform_init()
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{
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/* Configure GPIOs */
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gpio_setMode(GREEN_LED, OUTPUT);
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gpio_setMode(RED_LED, OUTPUT);
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gpio_setMode(PTT_SW, INPUT_PULL_UP);
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gpio_setMode(PTT_EXT, INPUT_PULL_UP);
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#ifndef RUNNING_TESTSUITE
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gpio_setMode(PWR_SW, OUTPUT);
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gpio_setPin(PWR_SW);
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#endif
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/*
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* Initialise ADC1, for vbat, RSSI, ...
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* Configuration of corresponding GPIOs in analog input mode is done inside
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* the driver.
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*/
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adc1_init();
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nvm_init(); /* Initialise non volatile memory manager */
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toneGen_init(); /* Initialise tone generator */
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rtc_init(); /* Initialise RTC */
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chSelector_init(); /* Initialise channel selector handler */
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audio_init(); /* Initialise audio management module */
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#ifdef ENABLE_BKLIGHT_DIMMING
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backlight_init(); /* Initialise backlight driver */
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#else
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gpio_setMode(LCD_BKLIGHT, OUTPUT);
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gpio_clearPin(LCD_BKLIGHT);
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#endif
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}
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void platform_terminate()
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{
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/* Shut down backlight */
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#ifdef ENABLE_BKLIGHT_DIMMING
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backlight_terminate();
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#else
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gpio_clearPin(LCD_BKLIGHT);
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#endif
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/* Shut down LEDs */
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gpio_clearPin(GREEN_LED);
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gpio_clearPin(RED_LED);
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/* Shut down all the modules */
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adc1_terminate();
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nvm_terminate();
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toneGen_terminate();
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chSelector_terminate();
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audio_terminate();
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/* Finally, remove power supply */
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gpio_clearPin(PWR_SW);
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}
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uint16_t platform_getVbat()
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{
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/*
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* The resistor divider for battery voltage measurement has a ratio of
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* around 1:3.26.
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*/
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uint32_t vbat = adc1_getMeasurement(ADC_VBAT_CH);
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vbat = (vbat * 326) / 100;
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return vbat;
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}
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uint8_t platform_getMicLevel()
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{
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/* Value from ADC is 12 bit wide: shift right by four to get 0 - 255 */
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return (adc1_getRawSample(ADC_VOX_CH) >> 4);
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}
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uint8_t platform_getVolumeLevel()
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{
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/*
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* Knob position corresponds to an analog signal in the range 0 - 1600mV,
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* converted to a value in range 0 - 255 using fixed point math: divide by
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* 1600 and then multiply by 256.
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*/
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uint16_t value = adc1_getMeasurement(ADC_VOL_CH);
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if(value > 1599) value = 1599;
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uint32_t level = value << 16;
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level /= 1600;
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return ((uint8_t) (level >> 8));
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}
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bool platform_getPttStatus()
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{
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/* PTT line has a pullup resistor with PTT switch closing to ground */
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uint8_t intPttStatus = gpio_readPin(PTT_SW);
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uint8_t extPttStatus = gpio_readPin(PTT_EXT);
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return ((intPttStatus == 0) || (extPttStatus == 0)) ? true : false;
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}
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bool platform_pwrButtonStatus()
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{
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/*
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* When power knob is set to off, battery voltage measurement returns 0V.
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* Here we set the threshold to 1V since, with knob in off position, there
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* is always a bit of noise in the ADC measurement making the returned
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* voltage not to be exactly zero.
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*/
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return (platform_getVbat() > 1000) ? true : false;
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}
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void platform_ledOn(led_t led)
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{
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switch(led)
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{
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case GREEN:
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gpio_setPin(GREEN_LED);
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break;
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case RED:
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gpio_setPin(RED_LED);
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break;
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default:
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break;
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}
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}
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void platform_ledOff(led_t led)
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{
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switch(led)
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{
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case GREEN:
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gpio_clearPin(GREEN_LED);
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break;
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case RED:
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gpio_clearPin(RED_LED);
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break;
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default:
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break;
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}
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}
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void platform_beepStart(uint16_t freq)
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{
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// calculate appropriate volume.
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uint8_t vol = platform_getVolumeLevel();
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// Since beeps have been requested, we do not want to have 0 volume.
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// We also do not want the volume to be excessive.
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if (vol < 10)
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vol = 5;
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if (vol > 176)
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vol = 176;
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toneGen_beepOn((float)freq, vol, 0);
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}
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void platform_beepStop()
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{
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toneGen_beepOff();
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}
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datetime_t platform_getCurrentTime()
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{
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return rtc_getTime();
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}
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void platform_setTime(datetime_t t)
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{
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rtc_setTime(t);
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}
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const hwInfo_t *platform_getHwInfo()
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{
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return &hwInfo;
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}
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/*
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* NOTE: implementation of this API function is provided in
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* platform/drivers/chSelector/chSelector_UV3x0.c
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*/
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// int8_t platform_getChSelector()
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