mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 04:28:10 +00:00
189 lines
3.8 KiB
C++
189 lines
3.8 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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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 2, or (at your option)
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "portapack.hpp"
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#include "portapack_hal.hpp"
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#include "portapack_persistent_memory.hpp"
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#include "hackrf_hal.hpp"
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#include "hackrf_gpio.hpp"
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using namespace hackrf::one;
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#include "si5351.hpp"
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#include "clock_manager.hpp"
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#include "i2c_pp.hpp"
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#include "touch_adc.hpp"
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namespace portapack {
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portapack::IO io {
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portapack::gpio_dir,
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portapack::gpio_lcd_rd,
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portapack::gpio_lcd_wr,
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portapack::gpio_io_stbx,
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portapack::gpio_addr,
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portapack::gpio_lcd_te,
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portapack::gpio_unused,
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};
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lcd::ILI9341 display;
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I2C i2c0(&I2CD0);
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SPI ssp0(&SPID1);
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SPI ssp1(&SPID2);
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wolfson::wm8731::WM8731 audio_codec { i2c0, portapack::wm8731_i2c_address };
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si5351::Si5351 clock_generator {
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i2c0, hackrf::one::si5351_i2c_address
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};
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ClockManager clock_manager {
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i2c0, clock_generator
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};
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ReceiverModel receiver_model {
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clock_manager
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};
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class Power {
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public:
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void init() {
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/* VAA powers:
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* MAX5864 analog section.
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* MAX2837 registers and other functions.
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* RFFC5072 analog section.
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*
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* Beware that power applied to pins of the MAX2837 may
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* show up on VAA and start powering other components on the
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* VAA net. So turn on VAA before driving pins from MCU to
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* MAX2837.
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*/
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/* Turn on VAA */
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gpio_vaa_disable.clear();
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gpio_vaa_disable.output();
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/* 1V8 powers CPLD internals.
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*/
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/* Turn on 1V8 */
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gpio_1v8_enable.set();
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gpio_1v8_enable.output();
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/* Set VREGMODE for switching regulator on HackRF One */
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gpio_vregmode.set();
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gpio_vregmode.output();
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}
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void shutdown() {
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gpio_1v8_enable.clear();
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gpio_vaa_disable.set();
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}
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private:
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};
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static Power power;
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void init() {
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for(const auto& pin : pins) {
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pin.init();
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}
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/* Configure other pins */
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LPC_SCU->SFSI2C0 =
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(1U << 3)
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| (1U << 11)
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;
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power.init();
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gpio_max5864_select.set();
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gpio_max5864_select.output();
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gpio_max2837_select.set();
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gpio_max2837_select.output();
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led_usb.setup();
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led_rx.setup();
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led_tx.setup();
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clock_manager.init();
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clock_manager.set_reference_ppb(persistent_memory::correction_ppb());
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clock_manager.run_at_full_speed();
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clock_manager.start_audio_pll();
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audio_codec.init();
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clock_manager.enable_first_if_clock();
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clock_manager.enable_second_if_clock();
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clock_manager.enable_codec_clocks();
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radio::init();
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touch::adc::init();
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}
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void shutdown() {
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sdcStop(&SDCD1);
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display.shutdown();
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radio::disable();
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audio_codec.reset();
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clock_manager.shutdown();
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power.shutdown();
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// TODO: Wait a bit for supplies to discharge?
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chSysDisable();
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systick_stop();
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hackrf::one::reset();
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}
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extern "C" {
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void __late_init(void) {
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reset();
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/*
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* System initializations.
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* - HAL initialization, this also initializes the configured device drivers
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* and performs the board-specific initializations.
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* - Kernel initialization, the main() function becomes a thread and the
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* RTOS is active.
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*/
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halInit();
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/* After this call, scheduler, systick, heap, etc. are available. */
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/* By doing chSysInit() here, it runs before C++ constructors, which may
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* require the heap.
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*/
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chSysInit();
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}
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}
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} /* namespace portapack */
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