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//
// Copyright 2017 Ettus Research (National Instruments)
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//
#include <mpm/tests/tests_spi_iface.hpp>
/**************************************************************************
* spi_iface API calls
*************************************************************************/
namespace mpm{
void tests_spi_iface::write_byte(
const uint16_t addr,
const uint8_t data
) {
_regs[addr] = data;
}
void tests_spi_iface::write_bytes(
const uint16_t *addr,
const uint8_t *data,
const uint32_t count
) {
for (size_t i = 0; i < count; i++) {
_regs[addr[i]] = data[i];
}
}
uint8_t tests_spi_iface::read_byte(const uint16_t addr)
{
if (_regs.count(addr)) {
return _regs.at(addr);
}
return _default_val;
}
void tests_spi_iface::write_field(
const uint16_t addr,
const uint8_t field_val,
const uint8_t mask,
const uint8_t start_bit
) {
const uint8_t old_value = read_byte(addr);
_regs[addr] = (old_value & ~mask) | ((field_val << start_bit) & mask);
}
uint8_t tests_spi_iface::read_field(
const uint16_t addr,
const uint8_t mask,
const uint8_t start_bit
) {
return (read_byte(addr) & mask) >> start_bit;
}
spi_iface::spi_wire_mode_t tests_spi_iface::get_wire_mode() const{
return spi_iface::spi_wire_mode_t::THREE_WIRE_MODE;
}
spi_iface::spi_endianness_t tests_spi_iface::get_endianness() const{
return spi_iface::spi_endianness_t::LSB_FIRST;
}
size_t tests_spi_iface::get_chip_select() const{
return 0;
}
}
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