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//
// Copyright 2017 Ettus Research, a National Instruments Company
//
// SPDX-License-Identifier: GPL-3.0-or-later
//
#include "ad937x_gain_ctrl_config.hpp"
using namespace mpm::ad937x::gpio;
using namespace mpm::ad937x::device;
using namespace uhd;
const uint8_t ad937x_gain_ctrl_channel_t::DEFAULT_GAIN_STEP = 1;
const bool ad937x_gain_ctrl_channel_t::DEFAULT_ENABLE = 0;
// rx uses gain, tx uses attenuation
enum class pin_direction_t {
INCREASE,
DECREASE,
};
mykonosGpioSelect_t _convert_gain_pin(gain_pin_t pin)
{
switch (pin) {
case gain_pin_t::PIN0:
return MYKGPIO0;
case gain_pin_t::PIN1:
return MYKGPIO1;
case gain_pin_t::PIN2:
return MYKGPIO2;
case gain_pin_t::PIN3:
return MYKGPIO3;
case gain_pin_t::PIN4:
return MYKGPIO4;
case gain_pin_t::PIN5:
return MYKGPIO5;
case gain_pin_t::PIN6:
return MYKGPIO6;
case gain_pin_t::PIN7:
return MYKGPIO7;
case gain_pin_t::PIN8:
return MYKGPIO8;
case gain_pin_t::PIN9:
return MYKGPIO9;
case gain_pin_t::PIN10:
return MYKGPIO10;
case gain_pin_t::PIN11:
return MYKGPIO11;
case gain_pin_t::PIN12:
return MYKGPIO12;
case gain_pin_t::PIN13:
return MYKGPIO13;
case gain_pin_t::PIN14:
return MYKGPIO14;
case gain_pin_t::PIN15:
return MYKGPIO15;
case gain_pin_t::PIN16:
return MYKGPIO16;
case gain_pin_t::PIN17:
return MYKGPIO17;
case gain_pin_t::PIN18:
return MYKGPIO18;
default:
return MYKGPIONAN;
}
}
ad937x_gain_ctrl_channel_t::ad937x_gain_ctrl_channel_t(
mykonosGpioSelect_t inc_pin, mykonosGpioSelect_t dec_pin)
: enable(DEFAULT_ENABLE)
, inc_step(DEFAULT_GAIN_STEP)
, dec_step(DEFAULT_GAIN_STEP)
, inc_pin(inc_pin)
, dec_pin(dec_pin)
{
}
mykonosGpioSelect_t _get_gain_pin(direction_t direction,
chain_t chain,
pin_direction_t pin_direction,
const gain_pins_t& gain_pins)
{
switch (direction) {
case RX_DIRECTION:
switch (chain) {
case chain_t::ONE:
switch (pin_direction) {
case pin_direction_t::INCREASE:
return _convert_gain_pin(gain_pins.rx1_inc_gain_pin);
case pin_direction_t::DECREASE:
return _convert_gain_pin(gain_pins.rx1_dec_gain_pin);
}
case chain_t::TWO:
switch (pin_direction) {
case pin_direction_t::INCREASE:
return _convert_gain_pin(gain_pins.rx2_inc_gain_pin);
case pin_direction_t::DECREASE:
return _convert_gain_pin(gain_pins.rx2_dec_gain_pin);
}
}
// !!! TX is attenuation direction, so the pins are flipped !!!
case TX_DIRECTION:
switch (chain) {
case chain_t::ONE:
switch (pin_direction) {
case pin_direction_t::INCREASE:
return _convert_gain_pin(gain_pins.tx1_dec_gain_pin);
case pin_direction_t::DECREASE:
return _convert_gain_pin(gain_pins.tx1_inc_gain_pin);
}
case chain_t::TWO:
switch (pin_direction) {
case pin_direction_t::INCREASE:
return _convert_gain_pin(gain_pins.tx2_dec_gain_pin);
case pin_direction_t::DECREASE:
return _convert_gain_pin(gain_pins.tx2_inc_gain_pin);
}
}
default:
return MYKGPIONAN;
}
}
ad937x_gain_ctrl_config_t::ad937x_gain_ctrl_config_t(gain_pins_t gain_pins)
{
config.emplace(std::piecewise_construct,
std::forward_as_tuple(RX_DIRECTION),
std::forward_as_tuple());
config.emplace(std::piecewise_construct,
std::forward_as_tuple(TX_DIRECTION),
std::forward_as_tuple());
config.at(RX_DIRECTION)
.emplace(std::piecewise_construct,
std::forward_as_tuple(chain_t::ONE),
std::forward_as_tuple(
_get_gain_pin(
RX_DIRECTION, chain_t::ONE, pin_direction_t::INCREASE, gain_pins),
_get_gain_pin(
RX_DIRECTION, chain_t::ONE, pin_direction_t::DECREASE, gain_pins)));
config.at(RX_DIRECTION)
.emplace(std::piecewise_construct,
std::forward_as_tuple(chain_t::TWO),
std::forward_as_tuple(
_get_gain_pin(
RX_DIRECTION, chain_t::TWO, pin_direction_t::INCREASE, gain_pins),
_get_gain_pin(
RX_DIRECTION, chain_t::TWO, pin_direction_t::DECREASE, gain_pins)));
config.at(TX_DIRECTION)
.emplace(std::piecewise_construct,
std::forward_as_tuple(chain_t::ONE),
std::forward_as_tuple(
_get_gain_pin(
TX_DIRECTION, chain_t::ONE, pin_direction_t::INCREASE, gain_pins),
_get_gain_pin(
TX_DIRECTION, chain_t::ONE, pin_direction_t::DECREASE, gain_pins)));
config.at(TX_DIRECTION)
.emplace(std::piecewise_construct,
std::forward_as_tuple(chain_t::TWO),
std::forward_as_tuple(
_get_gain_pin(
TX_DIRECTION, chain_t::TWO, pin_direction_t::INCREASE, gain_pins),
_get_gain_pin(
TX_DIRECTION, chain_t::TWO, pin_direction_t::DECREASE, gain_pins)));
}
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