HIFIVE1-VP/platform/incl/sysc/top/mcp3008.h

48 lines
1.2 KiB
C
Raw Normal View History

/*
* mcp3008.h
*
* Created on: 17.07.2018
* Author: eyck
*/
#ifndef _SYSC_TOP_MCP3008_H_
#define _SYSC_TOP_MCP3008_H_
#include "scc/signal_target_mixin.h"
#include "scc/signal_initiator_mixin.h"
#include "sysc/tlm_extensions.h"
#include <tlm/tlm_signal.h>
#include "cci_configuration"
#include <sysc/utils/sc_vector.h>
#include <sysc/kernel/sc_module.h>
namespace sysc {
class mcp3008: public sc_core::sc_module {
public:
SC_HAS_PROCESS(mcp3008);
scc::tlm_signal_logic_in sck_i;
scc::tlm_signal_logic_out miso_o;
scc::tlm_signal_logic_in mosi_i;
scc::tlm_signal_logic_in cs_i;
sc_core::sc_in<double> vref_i;
sc_core::sc_vector<sc_core::sc_in<double>> ch_i;
mcp3008(sc_core::sc_module_name nm);
virtual ~mcp3008();
private:
tlm::tlm_sync_enum receive(tlm::tlm_signal_gp<sc_dt::sc_logic> &, tlm::tlm_phase &, sc_core::sc_time &);
void do_conversion();
unsigned idx, rx_bits;
std::array<uint8_t, 3> rx_bytes, tx_bytes;
sc_dt::sc_logic mosi_v, miso_v, cs_v;
sysc::tlm_signal_spi_extension* ext, tx_ext;
sc_core::sc_time last_tx_start;
};
} /* namespace sysc */
#endif /* _SYSC_TOP_MCP3008_H_ */