kopia lustrzana https://github.com/RPiks/pico-WSPR-tx
74 wiersze
2.5 KiB
C
74 wiersze
2.5 KiB
C
///////////////////////////////////////////////////////////////////////////////
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//
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// Roman Piksaykin [piksaykin@gmail.com], R2BDY
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// https://www.qrz.com/db/r2bdy
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//
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///////////////////////////////////////////////////////////////////////////////
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//
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//
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// init.c - Pico hardware initializations.
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//
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// DESCRIPTION
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// The pico-WSPR-tx project provides WSPR beacon function using only
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// Pi Pico board. *NO* additional hardware such as freq.synth required.
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//
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// HOWTOSTART
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// .
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//
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// PLATFORM
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// Raspberry Pi pico.
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//
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// REVISION HISTORY
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//
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// Rev 0.1 18 Nov 2023
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// Initial release.
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//
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// PROJECT PAGE
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// https://github.com/RPiks/pico-WSPR-tx
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//
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// LICENCE
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// MIT License (http://www.opensource.org/licenses/mit-license.php)
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//
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// Copyright (c) 2023 by Roman Piksaykin
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//
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// Permission is hereby granted, free of charge,to any person obtaining a copy
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// of this software and associated documentation files (the Software), to deal
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// in the Software without restriction,including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY,WHETHER IN AN ACTION OF CONTRACT,TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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///////////////////////////////////////////////////////////////////////////////
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "pico/stdlib.h"
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#include "hardware/clocks.h"
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#include <defines.h>
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/// @brief Initializes Pi pico low level hardware.
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void InitPicoHW(void)
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{
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gpio_init(PICO_DEFAULT_LED_PIN);
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gpio_set_dir(PICO_DEFAULT_LED_PIN, GPIO_OUT);
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const uint32_t clkhz = PLL_SYS_MHZ * 1000000L;
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set_sys_clock_khz(clkhz / kHz, true);
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clock_configure(clk_peri, 0,
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CLOCKS_CLK_PERI_CTRL_AUXSRC_VALUE_CLKSRC_PLL_SYS,
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PLL_SYS_MHZ * MHZ,
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PLL_SYS_MHZ * MHZ);
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}
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