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/* |
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* Copyright (C) 2009 by Pieter Palmers |
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* Copyright (C) 2009 by Arnold Krille |
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* |
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* This file is part of FFADO |
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* FFADO = Free FireWire (pro-)audio drivers for linux |
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* |
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* FFADO is based upon FreeBoB. |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation, either version 2 of the License, or |
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* (at your option) version 3 of the License. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program. If not, see <http://www.gnu.org/licenses/>. |
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* |
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*/ |
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#include "focusrite_eap.h" |
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namespace Dice { |
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namespace Focusrite { |
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FocusriteEAP::FocusriteEAP(Dice::Device& dev) : Dice::EAP(dev) { |
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} |
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/** |
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* Application space register read/write |
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*/ |
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bool FocusriteEAP::readApplicationReg(unsigned offset, quadlet_t* quadlet) { |
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bool ret = readReg(Dice::EAP::eRT_Application, offset, quadlet); |
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return ret; |
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} |
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bool FocusriteEAP::writeApplicationReg(unsigned offset, quadlet_t quadlet) { |
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// Do not write beyond the limit |
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if (offset > FOCUSRITE_EAP_REGISTER_APP_MONITORING_LIMIT) |
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{ |
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debugWarning(" Writing beyond address 0x%02x prohibited\n", |
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FOCUSRITE_EAP_REGISTER_APP_MONITORING_LIMIT); |
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return false; |
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} |
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bool ret = writeReg(Dice::EAP::eRT_Application, offset, quadlet); |
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if (!ret) { |
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debugWarning("Couldn't write %i to register %x!\n", quadlet, offset); |
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return false; |
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} |
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return ret; |
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} |
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// Message set specific register |
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bool FocusriteEAP::messageSet(unsigned offset, quadlet_t quadlet) { |
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// Do not write beyond the limit |
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if (offset > FOCUSRITE_EAP_REGISTER_APP_MONITORING_LIMIT) |
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{ |
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debugWarning(" Message set register can not be beyond address 0x%02x\n", |
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FOCUSRITE_EAP_REGISTER_APP_MONITORING_LIMIT); |
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return false; |
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} |
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bool ret = writeApplicationReg(offset, quadlet); |
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// Send NO_MESSAGE after any non-zero messages (Focusrite recommandation) |
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writeApplicationReg(offset, (quadlet_t) FOCUSRITE_EAP_MESSAGE_SET_NO_MESSAGE); |
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return ret; |
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} |
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/** |
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* Potentiometer Class |
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*/ |
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FocusriteEAP::Poti::Poti(Dice::Focusrite::FocusriteEAP* eap, std::string name, |
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size_t offset, size_t msgset_offset, int msgset_value) : Control::Discrete(eap, name) |
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, m_eap(eap) |
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, m_name(name) |
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, m_offset(offset) |
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, m_msgset_offset(msgset_offset) |
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, m_msgset_value(msgset_value) |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Create Poti %s)\n", m_name.c_str()); |
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} |
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int FocusriteEAP::Poti::getValue() { |
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int m_value; |
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quadlet_t tmp; |
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m_eap->readApplicationReg(m_offset, &tmp); |
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m_value = -tmp; |
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return m_value; |
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} |
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bool FocusriteEAP::Poti::setValue(int n) { |
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// Might be the value has been modified via hardware; better to read the current value |
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int m_value = getValue(); |
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if (n == m_value) |
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return true; |
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m_value = -n; |
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m_eap->writeApplicationReg(m_offset, (quadlet_t) m_value); |
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m_eap->messageSet(m_msgset_offset, (quadlet_t) m_msgset_value); |
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return true; |
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} |
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/** |
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* Switch class |
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*/ |
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FocusriteEAP::Switch::Switch(Dice::Focusrite::FocusriteEAP* eap, std::string name, |
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size_t offset, int activevalue, size_t msgset_offset, int msgset_value ) |
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: Control::Boolean(eap, name) |
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, m_eap(eap) |
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, m_name(name) |
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, m_offset(offset) |
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, m_activevalue(activevalue) |
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, m_msgset_offset(msgset_offset) |
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, m_msgset_value(msgset_value) |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Create Switch %s)\n", m_name.c_str()); |
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} |
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bool FocusriteEAP::Switch::selected() { |
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quadlet_t state_tmp; |
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m_eap->readApplicationReg(m_offset, &state_tmp); |
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bool is_selected = (state_tmp&m_activevalue)?true:false; |
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return is_selected; |
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} |
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bool FocusriteEAP::Switch::select(bool n) { |
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quadlet_t state_tmp; |
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m_eap->readApplicationReg(m_offset, &state_tmp); |
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bool is_selected = (state_tmp&m_activevalue)?true:false; |
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// Switch the corresponding bit(s) |
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if ( n != is_selected ) { |
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m_eap->writeApplicationReg(m_offset, state_tmp^m_activevalue); |
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m_eap->messageSet(m_msgset_offset, (quadlet_t) m_msgset_value); |
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is_selected = n; |
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} |
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return is_selected; |
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} |
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/** |
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* Volume Control Class |
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*/ |
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FocusriteEAP::VolumeControl::VolumeControl(Dice::Focusrite::FocusriteEAP* eap, |
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std::string name, size_t offset, int bitshift, size_t msgset_offset, int msgset_value) |
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: Control::Discrete(eap, name) |
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, m_eap(eap) |
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, m_name(name) |
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, m_offset(offset) |
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, m_bitshift(bitshift) |
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, m_msgset_offset(msgset_offset) |
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, m_msgset_value(msgset_value) |
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{ |
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debugOutput( DEBUG_LEVEL_VERBOSE, "Create Volume Control %s)\n", m_name.c_str()); |
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} |
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int FocusriteEAP::VolumeControl::getValue() { |
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int m_value; |
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quadlet_t tmp; |
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m_eap->readApplicationReg(m_offset, &tmp); |
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m_value = - ((tmp>>m_bitshift)&0xff); |
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return m_value; |
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} |
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bool FocusriteEAP::VolumeControl::setValue(int n) { |
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int m_value; |
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quadlet_t tmp; |
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m_eap->readApplicationReg(m_offset, &tmp); |
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m_value = - ((tmp>>m_bitshift)&0xff); |
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if (n == m_value) |
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return true; |
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m_value = n; |
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tmp &= ~(0xff<<m_bitshift); |
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bool ret = m_eap->writeApplicationReg(m_offset, ((-n)<<m_bitshift)|tmp); |
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m_eap->messageSet(m_msgset_offset, (quadlet_t) m_msgset_value); |
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return ret; |
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} |
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} |
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} |
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// vim: et |
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