kopia lustrzana https://github.com/mobilinkd/tnc3-firmware
39 wiersze
1.0 KiB
C++
39 wiersze
1.0 KiB
C++
// Copyright 2020 Rob Riggs <rob@mobilinkd.com>
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// All rights reserved.
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#include "AFSKModulator.hpp"
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namespace mobilinkd { namespace tnc {
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void AFSKModulator::init(const kiss::Hardware& hw)
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{
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set_twist(hw.tx_twist);
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SysClock48();
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// Configure 48MHz clock for 26.4ksps.
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htim7.Init.Period = 1817;
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if (HAL_TIM_Base_Init(&htim7) != HAL_OK)
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{
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ERROR("htim7 init failed");
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CxxErrorHandler();
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}
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DAC_ChannelConfTypeDef sConfig;
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sConfig.DAC_SampleAndHold = DAC_SAMPLEANDHOLD_DISABLE;
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sConfig.DAC_Trigger = DAC_TRIGGER_NONE;
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sConfig.DAC_OutputBuffer = DAC_OUTPUTBUFFER_ENABLE;
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sConfig.DAC_ConnectOnChipPeripheral = DAC_CHIPCONNECT_ENABLE;
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sConfig.DAC_UserTrimming = DAC_TRIMMING_FACTORY;
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if (HAL_DAC_ConfigChannel(&hdac1, &sConfig, DAC_CHANNEL_1) != HAL_OK)
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{
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CxxErrorHandler();
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}
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if (HAL_DAC_SetValue(&hdac1, DAC_CHANNEL_1, DAC_ALIGN_12B_R, 2048) != HAL_OK) CxxErrorHandler();
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if (HAL_DAC_Start(&hdac1, DAC_CHANNEL_1) != HAL_OK) CxxErrorHandler();
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}
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}} // mobilinkd::tnc
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