pico-WSPR-tx/core1.c

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2.6 KiB
C

///////////////////////////////////////////////////////////////////////////////
//
// Roman Piksaykin [piksaykin@gmail.com], R2BDY
// https://www.qrz.com/db/r2bdy
//
///////////////////////////////////////////////////////////////////////////////
//
//
// core1.c - Project part which runs on the secondary core.
//
// DESCRIPTION
// The pico-WSPR-tx project provides WSPR beacon function using only
// Pi Pico board. *NO* additional hardware such as freq.synth required.
//
// HOWTOSTART
// .
//
// PLATFORM
// Raspberry Pi pico.
//
// REVISION HISTORY
//
// Rev 0.1 18 Nov 2023
// Initial release.
//
// PROJECT PAGE
// https://github.com/RPiks/pico-WSPR-tx
//
// LICENCE
// MIT License (http://www.opensource.org/licenses/mit-license.php)
//
// Copyright (c) 2023 by Roman Piksaykin
//
// Permission is hereby granted, free of charge,to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction,including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY,WHETHER IN AN ACTION OF CONTRACT,TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
///////////////////////////////////////////////////////////////////////////////
#include <stdint.h>
#include "pico-hf-oscillator/lib/assert.h"
#include <piodco.h>
#include <defines.h>
#include <WSPRbeacon.h>
extern WSPRbeaconContext *pWSPR;
/// @brief The code of dedicated core' program running HF oscillator.
void Core1Entry()
{
assert_(pWSPR);
const uint32_t clkhz = PLL_SYS_MHZ * MHz;
PioDco *p = pWSPR->_pTX->_p_oscillator;
assert_(p);
/* Initialize DCO */
assert_(0 == PioDCOInit(p, pWSPR->_pTX->_i_tx_gpio, clkhz));
/* Set initial freq. */
assert_(0 == PioDCOSetFreq(p, pWSPR->_pTX->_u32_dialfreqhz, 0U));
/* Run the main DCO algorithm. It spins forever. */
PioDCOWorker2(p);
}