mirror of https://github.com/probonopd/MiniDexed
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
130 lines
2.6 KiB
130 lines
2.6 KiB
//
|
|
// kernel.cpp
|
|
//
|
|
// MiniDexed - Dexed FM synthesizer for bare metal Raspberry Pi
|
|
// Copyright (C) 2022 The MiniDexed Team
|
|
//
|
|
// 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 "kernel.h"
|
|
#include <circle/logger.h>
|
|
#include <circle/synchronize.h>
|
|
#include <assert.h>
|
|
#include <circle/usb/usbhcidevice.h>
|
|
#include "usbminidexedmidigadget.h"
|
|
|
|
LOGMODULE ("kernel");
|
|
|
|
CKernel *CKernel::s_pThis = 0;
|
|
|
|
CKernel::CKernel (void)
|
|
: CStdlibAppStdio ("minidexed"),
|
|
m_Config (&mFileSystem),
|
|
m_GPIOManager (&mInterrupt),
|
|
m_I2CMaster (CMachineInfo::Get ()->GetDevice (DeviceI2CMaster), TRUE),
|
|
m_pDexed (0)
|
|
{
|
|
s_pThis = this;
|
|
|
|
// mActLED.Blink (5); // show we are alive
|
|
}
|
|
|
|
CKernel::~CKernel(void)
|
|
{
|
|
s_pThis = 0;
|
|
}
|
|
|
|
bool CKernel::Initialize (void)
|
|
{
|
|
if (!CStdlibAppStdio::Initialize ())
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
mLogger.RegisterPanicHandler (PanicHandler);
|
|
|
|
if (!m_GPIOManager.Initialize ())
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
if (!m_I2CMaster.Initialize ())
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
m_Config.Load ();
|
|
|
|
if (m_Config.GetUSBGadgetMode())
|
|
{
|
|
#if RASPPI==5
|
|
#warning No support for USB Gadget Mode on RPI 5 yet
|
|
#else
|
|
// Run the USB stack in USB Gadget (device) mode
|
|
m_pUSB = new CUSBMiniDexedMIDIGadget (&mInterrupt);
|
|
#endif
|
|
}
|
|
else
|
|
{
|
|
// Run the USB stack in USB Host (default) mode
|
|
m_pUSB = new CUSBHCIDevice (&mInterrupt, &mTimer, TRUE);
|
|
}
|
|
|
|
if (!m_pUSB->Initialize ())
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
m_pDexed = new CMiniDexed (&m_Config, &mInterrupt, &m_GPIOManager, &m_I2CMaster,
|
|
&mFileSystem);
|
|
assert (m_pDexed);
|
|
|
|
if (!m_pDexed->Initialize ())
|
|
{
|
|
return FALSE;
|
|
}
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
CStdlibApp::TShutdownMode CKernel::Run (void)
|
|
{
|
|
assert (m_pDexed);
|
|
|
|
while (42 == 42)
|
|
{
|
|
boolean bUpdated = m_pUSB->UpdatePlugAndPlay ();
|
|
|
|
m_pDexed->Process(bUpdated);
|
|
|
|
if (mbScreenAvailable)
|
|
{
|
|
mScreen.Update ();
|
|
}
|
|
|
|
m_CPUThrottle.Update ();
|
|
}
|
|
|
|
return ShutdownHalt;
|
|
}
|
|
|
|
void CKernel::PanicHandler (void)
|
|
{
|
|
EnableIRQs ();
|
|
|
|
if (s_pThis->mbScreenAvailable)
|
|
{
|
|
s_pThis->mScreen.Update (4096);
|
|
}
|
|
}
|
|
|