mayhem-firmware/firmware/application/portapack.cpp

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/*
* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
*
* This file is part of PortaPack.
*
* 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 2, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "portapack.hpp"
#include "portapack_hal.hpp"
#include "hackrf_hal.hpp"
#include "hackrf_gpio.hpp"
using namespace hackrf::one;
#include "si5351.hpp"
#include "clock_manager.hpp"
#include "i2c_pp.hpp"
#include "touch_adc.hpp"
namespace portapack {
portapack::IO io {
portapack::gpio_dir,
portapack::gpio_lcd_rd,
portapack::gpio_lcd_wr,
portapack::gpio_io_stbx,
portapack::gpio_addr,
portapack::gpio_lcd_te,
portapack::gpio_unused,
};
lcd::ILI9341 display;
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I2C i2c0(&I2CD0);
SPI ssp0(&SPID1);
SPI ssp1(&SPID2);
wolfson::wm8731::WM8731 audio_codec { i2c0, portapack::wm8731_i2c_address };
si5351::Si5351 clock_generator {
i2c0, hackrf::one::si5351_i2c_address
};
ClockManager clock_manager {
i2c0, clock_generator
};
ReceiverModel receiver_model {
clock_manager
};
class Power {
public:
void init() {
/* VAA powers:
* MAX5864 analog section.
* MAX2837 registers and other functions.
* RFFC5072 analog section.
*
* Beware that power applied to pins of the MAX2837 may
* show up on VAA and start powering other components on the
* VAA net. So turn on VAA before driving pins from MCU to
* MAX2837.
*/
/* Turn on VAA */
gpio_vaa_disable.clear();
gpio_vaa_disable.output();
/* 1V8 powers CPLD internals.
*/
/* Turn on 1V8 */
gpio_1v8_enable.set();
gpio_1v8_enable.output();
/* Set VREGMODE for switching regulator on HackRF One */
gpio_vregmode.set();
gpio_vregmode.output();
}
void shutdown() {
gpio_1v8_enable.clear();
gpio_vaa_disable.set();
}
private:
};
static Power power;
void init() {
for(const auto& pin : pins) {
pin.init();
}
/* Configure other pins */
LPC_SCU->SFSI2C0 =
(1U << 3)
| (1U << 11)
;
power.init();
gpio_max5864_select.set();
gpio_max5864_select.output();
gpio_max2837_select.set();
gpio_max2837_select.output();
led_usb.setup();
led_rx.setup();
led_tx.setup();
clock_manager.init();
clock_manager.run_at_full_speed();
clock_manager.start_audio_pll();
audio_codec.init();
clock_manager.enable_first_if_clock();
clock_manager.enable_second_if_clock();
clock_manager.enable_codec_clocks();
radio::init();
touch::adc::init();
}
void shutdown() {
sdcStop(&SDCD1);
display.shutdown();
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radio::disable();
audio_codec.reset();
clock_manager.shutdown();
power.shutdown();
// TODO: Wait a bit for supplies to discharge?
chSysDisable();
systick_stop();
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hackrf::one::reset();
}
extern "C" {
void __late_init(void) {
reset();
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
/* After this call, scheduler, systick, heap, etc. are available. */
/* By doing chSysInit() here, it runs before C++ constructors, which may
* require the heap.
*/
chSysInit();
}
}
} /* namespace portapack */