57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*******************************************************************************
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* Copyright 2017 eyck@minres.com
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*
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* Licensed under the Apache License, Version 2.0 (the "License"); you may not
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* use this file except in compliance with the License. You may obtain a copy
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* of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations under
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* the License.
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******************************************************************************/
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#ifndef _GPIO_H_
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#define _GPIO_H_
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#include "scc/tlm_target.h"
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#include "scc/ext_attribute.h"
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#include <sysc/communication/sc_signal_rv_ports.h>
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namespace sysc {
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class gpio_regs;
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class WsHandler;
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class gpio : public sc_core::sc_module, public scc::tlm_target<> {
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public:
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SC_HAS_PROCESS(gpio);
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sc_core::sc_in<sc_core::sc_time> clk_i;
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sc_core::sc_in<bool> rst_i;
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sc_core::sc_inout_rv<32> pins_io;
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gpio(sc_core::sc_module_name nm);
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virtual ~gpio() override; // need to keep it in source file because of fwd declaration of gpio_regs
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scc::ext_attribute<bool> write_to_ws;
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protected:
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void clock_cb();
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void reset_cb();
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void update_pins();
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void pins_cb();
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void before_end_of_elaboration();
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sc_core::sc_time clk;
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std::unique_ptr<gpio_regs> regs;
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std::shared_ptr<sysc::WsHandler> handler;
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private:
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void update_value_reg();
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};
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} /* namespace sysc */
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#endif /* _GPIO_H_ */
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