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https://github.com/mudita/MuditaOS.git
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8b3ae7b48c
* Fix of the issue that source clock for PWM module was improperly assumed to be derived from AHB_CLK, while in reality it is derived from IPG_CLK, what resulted in module generating signal with 4 times lower frequency than the configured one. * Cleanups.
77 lines
1.7 KiB
C++
77 lines
1.7 KiB
C++
// Copyright (c) 2017-2024, Mudita Sp. z.o.o. All rights reserved.
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// For licensing, see https://github.com/mudita/MuditaOS/LICENSE.md
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#pragma once
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#include <memory>
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#include <cstdint>
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#include <bsp/common.hpp>
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namespace drivers
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{
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enum class PWMInstances
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{
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OFFSET = 1,
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PWM_1 = OFFSET,
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PWM_2,
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PWM_3,
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PWM_4,
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COUNT = PWM_4
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};
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enum class PWMModules
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{
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MODULE0 = 0,
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MODULE1,
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MODULE2,
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MODULE3,
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COUNT
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};
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enum class PWMChannel
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{
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A = 0,
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B,
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X
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};
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struct DriverPWMParams
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{
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PWMChannel channel;
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std::uint32_t outputFrequency;
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};
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class DriverPWM
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{
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public:
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static std::shared_ptr<DriverPWM> Create(PWMInstances inst, PWMModules mod, const DriverPWMParams ¶ms);
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DriverPWM(PWMInstances inst, PWMModules mod, const DriverPWMParams ¶ms)
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: instance(inst), module(mod), parameters(params)
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{}
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virtual ~DriverPWM() = default;
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virtual void InitNextChannel(const DriverPWMParams ¶ms) = 0;
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// Duty cycle in percent: 0 - 100
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virtual void SetDutyCycle(std::uint8_t duty_cycle, PWMChannel channel) = 0;
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virtual void Start(PWMChannel channel) = 0;
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virtual void Stop(PWMChannel channel) = 0;
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virtual void UpdateClockFrequency() = 0;
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protected:
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PWMInstances instance;
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PWMModules module;
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const DriverPWMParams parameters;
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private:
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static std::weak_ptr<DriverPWM> pwmDrivers[static_cast<std::uint32_t>(PWMInstances::COUNT)]
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[static_cast<std::uint32_t>(PWMModules::COUNT)];
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};
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} // namespace drivers
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