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Commit for AMBX support

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Aran Vink 2021-03-16 23:49:12 +01:00
parent 37c7c5155a
commit 09fe72e754
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253
AMBX.cpp Normal file
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/* Copyright (C) 2021 Aran Vink. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Aran Vink
e-mail : aranvink@gmail.com
*/
#include "AMBX.h"
// To enable serial debugging see "settings.h"
//#define EXTRADEBUG // Uncomment to get even more debugging data
AMBX::AMBX(USB *p) :
pUsb(p), // pointer to USB class instance - mandatory
bAddress(0) // device address - mandatory
{
for(uint8_t i = 0; i < AMBX_MAX_ENDPOINTS; i++) {
epInfo[i].epAddr = 0;
epInfo[i].maxPktSize = (i) ? 0 : 8;
epInfo[i].bmSndToggle = 0;
epInfo[i].bmRcvToggle = 0;
epInfo[i].bmNakPower = (i) ? USB_NAK_NOWAIT : USB_NAK_MAX_POWER;
}
if(pUsb) // register in USB subsystem
pUsb->RegisterDeviceClass(this); //set devConfig[] entry
}
uint8_t AMBX::Init(uint8_t parent, uint8_t port, bool lowspeed) {
uint8_t buf[sizeof (USB_DEVICE_DESCRIPTOR)];
USB_DEVICE_DESCRIPTOR * udd = reinterpret_cast<USB_DEVICE_DESCRIPTOR*>(buf);
uint8_t rcode;
UsbDevice *p = NULL;
EpInfo *oldep_ptr = NULL;
uint16_t PID;
uint16_t VID;
// get memory address of USB device address pool
AddressPool &addrPool = pUsb->GetAddressPool();
#ifdef EXTRADEBUG
Notify(PSTR("\r\nAMBX Init"), 0x80);
#endif
// check if address has already been assigned to an instance
if(bAddress) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nAddress in use"), 0x80);
#endif
return USB_ERROR_CLASS_INSTANCE_ALREADY_IN_USE;
}
// Get pointer to pseudo device with address 0 assigned
p = addrPool.GetUsbDevicePtr(0);
if(!p) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nAddress not found"), 0x80);
#endif
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
}
if(!p->epinfo) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nepinfo is null"), 0x80);
#endif
return USB_ERROR_EPINFO_IS_NULL;
}
// Save old pointer to EP_RECORD of address 0
oldep_ptr = p->epinfo;
// Temporary assign new pointer to epInfo to p->epinfo in order to avoid toggle inconsistence
p->epinfo = epInfo;
p->lowspeed = lowspeed;
// Get device descriptor
rcode = pUsb->getDevDescr(0, 0, sizeof (USB_DEVICE_DESCRIPTOR), (uint8_t*)buf); // Get device descriptor - addr, ep, nbytes, data
// Restore p->epinfo
p->epinfo = oldep_ptr;
if(rcode)
goto FailGetDevDescr;
VID = udd->idVendor;
PID = udd->idProduct;
if(VID != AMBX_VID || (PID != AMBX_PID))
goto FailUnknownDevice;
// Allocate new address according to device class
bAddress = addrPool.AllocAddress(parent, false, port);
if(!bAddress)
return USB_ERROR_OUT_OF_ADDRESS_SPACE_IN_POOL;
// Extract Max Packet Size from device descriptor
epInfo[0].maxPktSize = udd->bMaxPacketSize0;
// Assign new address to the device
rcode = pUsb->setAddr(0, 0, bAddress);
if(rcode) {
p->lowspeed = false;
addrPool.FreeAddress(bAddress);
bAddress = 0;
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nsetAddr: "), 0x80);
D_PrintHex<uint8_t > (rcode, 0x80);
#endif
return rcode;
}
#ifdef EXTRADEBUG
Notify(PSTR("\r\nAddr: "), 0x80);
D_PrintHex<uint8_t > (bAddress, 0x80);
#endif
p->lowspeed = false;
//get pointer to assigned address record
p = addrPool.GetUsbDevicePtr(bAddress);
if(!p)
return USB_ERROR_ADDRESS_NOT_FOUND_IN_POOL;
p->lowspeed = lowspeed;
// Assign epInfo to epinfo pointer - only EP0 is known
rcode = pUsb->setEpInfoEntry(bAddress, 1, epInfo);
if(rcode)
goto FailSetDevTblEntry;
/* The application will work in reduced host mode, so we can save program and data
memory space. After verifying the PID and VID we will use known values for the
configuration values for device, interface, endpoints for the AMBX Controller */
/* Initialize data structures for endpoints of device */
epInfo[ AMBX_OUTPUT_PIPE ].epAddr = AMBX_ENDPOINT_OUT; // AMBX output endpoint
epInfo[ AMBX_OUTPUT_PIPE ].epAttribs = USB_TRANSFER_TYPE_INTERRUPT;
epInfo[ AMBX_OUTPUT_PIPE ].bmNakPower = USB_NAK_NOWAIT; // Only poll once for interrupt endpoints
epInfo[ AMBX_OUTPUT_PIPE ].maxPktSize = AMBX_EP_MAXPKTSIZE;
epInfo[ AMBX_OUTPUT_PIPE ].bmSndToggle = 0;
epInfo[ AMBX_OUTPUT_PIPE ].bmRcvToggle = 0;
rcode = pUsb->setEpInfoEntry(bAddress, 3, epInfo);
if(rcode)
goto FailSetDevTblEntry;
delay(200); //Give time for address change
//For some reason this is need to make it work
rcode = pUsb->setConf(bAddress, epInfo[ AMBX_CONTROL_PIPE ].epAddr, 1);
if(rcode)
goto FailSetConfDescr;
if(PID == AMBX_PID || PID) {
AMBXConnected = true;
}
onInit();
Notify(PSTR("\r\n"), 0x80);
return 0; // Successful configuration
/* Diagnostic messages */
FailGetDevDescr:
#ifdef DEBUG_USB_HOST
NotifyFailGetDevDescr();
goto Fail;
#endif
FailSetDevTblEntry:
#ifdef DEBUG_USB_HOST
NotifyFailSetDevTblEntry();
goto Fail;
#endif
FailSetConfDescr:
#ifdef DEBUG_USB_HOST
NotifyFailSetConfDescr();
#endif
goto Fail;
FailUnknownDevice:
#ifdef DEBUG_USB_HOST
NotifyFailUnknownDevice(VID, PID);
#endif
rcode = USB_DEV_CONFIG_ERROR_DEVICE_NOT_SUPPORTED;
Fail:
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nAMBX Init Failed, error code: "), 0x80);
NotifyFail(rcode);
#endif
Release();
return rcode;
}
/* Performs a cleanup after failed Init() attempt */
uint8_t AMBX::Release() {
AMBXConnected = false;
pUsb->GetAddressPool().FreeAddress(bAddress);
bAddress = 0;
return 0;
}
uint8_t AMBX::Poll() {
return 0;
}
void AMBX::Light_Command(uint8_t *data, uint16_t nbytes) {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nLight command "), 0x80);
#endif
pUsb->outTransfer(bAddress, epInfo[ AMBX_OUTPUT_PIPE ].epAddr, nbytes, data);
//Do really short delay, I've noticed otherwise the controller will receive all command at once, and might not process all of them.
delay(1);
}
void AMBX::setLight(uint8_t ambx_light, uint8_t r, uint8_t g, uint8_t b) {
writeBuf[0] = AMBX_PREFIX_COMMAND;
writeBuf[1] = ambx_light;
writeBuf[2] = AMBX_SET_COLOR_COMMAND;
writeBuf[3] = r;
writeBuf[4] = g;
writeBuf[5] = b;
Light_Command(writeBuf, AMBX_LIGHT_COMMAND_BUFFER_SIZE);
}
void AMBX::setLight(AmbxLightsEnum ambx_light, AmbxColorsEnum color) { // Use this to set the Light with Color using the predefined in "AMBXEnums.h"
setLight(ambx_light, (uint8_t)(color >> 16), (uint8_t)(color >> 8), (uint8_t)(color));
}
void AMBX::setAllLights(AmbxColorsEnum color) { // Use this to set the Color using the predefined colors in "AMBXEnums.h"
setLight(Sidelight_left, (uint8_t)(color >> 16), (uint8_t)(color >> 8), (uint8_t)(color));
setLight(Sidelight_right, (uint8_t)(color >> 16), (uint8_t)(color >> 8), (uint8_t)(color));
setLight(Wallwasher_center, (uint8_t)(color >> 16), (uint8_t)(color >> 8), (uint8_t)(color));
setLight(Wallwasher_left, (uint8_t)(color >> 16), (uint8_t)(color >> 8), (uint8_t)(color));
setLight(Wallwasher_right, (uint8_t)(color >> 16), (uint8_t)(color >> 8), (uint8_t)(color));
}
void AMBX::onInit() {
#ifdef DEBUG_USB_HOST
Notify(PSTR("\r\nOnInit execute "), 0x80);
#endif
if(pFuncOnInit)
pFuncOnInit(); // Call the user function
}

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/* Copyright (C) 2021 Aran Vink. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Aran Vink
e-mail : aranvink@gmail.com
*/
#ifndef _ambxusb_h_
#define _ambxusb_h_
#include "Usb.h"
#include "AMBXEnums.h"
/* AMBX data taken from descriptors */
#define AMBX_EP_MAXPKTSIZE 40 // max size for data via USB
/* Names we give to the 3 AMBX but note only one is actually used (output) */
#define AMBX_CONTROL_PIPE 0
#define AMBX_OUTPUT_PIPE 1
#define AMBX_INPUT_PIPE 2
/* PID and VID of the different devices */
#define AMBX_VID 0x0471 // Philips
#define AMBX_PID 0x083F // AMBX Controller
/* Endpoint addresses */
#define AMBX_ENDPOINT_IN 0x81
#define AMBX_ENDPOINT_OUT 0x02
#define AMBX_ENDPOINT_PNP 0x83
/* Output payload constants */
#define AMBX_PREFIX_COMMAND 0xA1
#define AMBX_SET_COLOR_COMMAND 0x03
/* LEFT/RIGHT lights. Normally placed adjecent to your screen. */
#define AMBX_LIGHT_LEFT 0x0B
#define AMBX_LIGHT_RIGHT 0x1B
/* Wallwasher lights. Normally placed behind your screen. */
#define AMBX_LIGHT_WW_LEFT 0x2B
#define AMBX_LIGHT_WW_CENTER 0x3B
#define AMBX_LIGHT_WW_RIGHT 0x4B
#define AMBX_LIGHT_COMMAND_BUFFER_SIZE 6
#define AMBX_MAX_ENDPOINTS 3
/**
* This class implements support for AMBX
* One can only set the color of the bulbs, no other accesories like rumble pad, fans, etc. are supported
*
*/
class AMBX : public USBDeviceConfig {
public:
/**
* Constructor for the AMBX class.
* @param pUsb Pointer to USB class instance.
*/
AMBX(USB *pUsb);
/** @name USBDeviceConfig implementation */
/**
* Initialize the AMBX Controller.
* @param parent Hub number.
* @param port Port number on the hub.
* @param lowspeed Speed of the device.
* @return 0 on success.
*/
uint8_t Init(uint8_t parent, uint8_t port, bool lowspeed);
/**
* Release the USB device.
* @return 0 on success.
*/
uint8_t Release();
/**
* Poll the USB Input endpoins and run the state machines.
* @return 0 on success.
*/
uint8_t Poll();
/**
* Get the device address.
* @return The device address.
*/
virtual uint8_t GetAddress() {
return bAddress;
};
/**
* Used by the USB core to check what this driver support.
* @param vid The device's VID.
* @param pid The device's PID.
* @return Returns true if the device's VID and PID matches this driver.
*/
virtual bool VIDPIDOK(uint16_t vid, uint16_t pid) {
return (vid == AMBX_VID && (pid == AMBX_PID));
};
/**@}*/
/**
* Use this to set the Color using RGB values.
* @param r,g,b RGB value.
*/
void setLight(uint8_t ambx_light, uint8_t r, uint8_t g, uint8_t b);
/**
* Use this to set the color using the predefined colors in ::ColorsEnum.
* @param color The desired color.
*/
void setLight(AmbxLightsEnum ambx_light, AmbxColorsEnum color);
/**
* Use this to set the color using the predefined colors in ::ColorsEnum.
* @param color The desired color.
*/
void setAllLights(AmbxColorsEnum color);
/**
* Used to call your own function when the controller is successfully initialized.
* @param funcOnInit Function to call.
*/
void attachOnInit(void (*funcOnInit)(void)) {
pFuncOnInit = funcOnInit;
};
/**@}*/
bool AMBXConnected;
protected:
/** Pointer to USB class instance. */
USB *pUsb;
/** Device address. */
uint8_t bAddress;
/** Endpoint info structure. */
EpInfo epInfo[AMBX_MAX_ENDPOINTS];
private:
/**
* Called when the AMBX controller is successfully initialized.
*/
void onInit();
void (*pFuncOnInit)(void); // Pointer to function called in onInit()
uint8_t writeBuf[AMBX_EP_MAXPKTSIZE]; // General purpose buffer for output data
/* Private commands */
void Light_Command(uint8_t *data, uint16_t nbytes);
};
#endif

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/* Copyright (C) 2021 Aran Vink. All rights reserved.
This software may be distributed and modified under the terms of the GNU
General Public License version 2 (GPL2) as published by the Free Software
Foundation and appearing in the file GPL2.TXT included in the packaging of
this file. Please note that GPL2 Section 2[b] requires that all works based
on this software must also be made publicly available under the terms of
the GPL2 ("Copyleft").
Contact information
-------------------
Aran Vink
e-mail : aranvink@gmail.com
*/
#ifndef _ambxenums_h
#define _ambxenums_h
/** Used to set the colors of the AMBX lights. This is just a limited predefined set, the lights allow ANY value between 0x00 and 0xFF */
enum AmbxColorsEnum {
Red = 0xFF0000,
Green = 0x00FF00,
Blue = 0x0000FF,
White = 0xFFFFFF,
Off = 0x000000,
};
/** Used to select light in the AMBX system */
enum AmbxLightsEnum {
Sidelight_left = 0x0B,
Sidelight_right = 0x1B,
Wallwasher_left = 0x2B,
Wallwasher_center = 0x3B,
Wallwasher_right = 0x4B,
};
#endif

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/*
Example sketch for the AMBX library - developed by Aran Vink <aranvink@gmail.com>
*/
#include <AMBX.h>
// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude
#include <spi4teensy3.h>
#endif
#include <SPI.h>
USB Usb;
AMBX AMBX(&Usb); // This will just create the instance
bool printAngle;
uint8_t state = 0;
void setup() {
Serial.begin(115200);
#if !defined(__MIPSEL__)
while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
#endif
if (Usb.Init() == -1) {
Serial.print(F("\r\nOSC did not start"));
while (1); //halt
}
Serial.print(F("\r\nAMBX USB Library Started"));
}
void loop() {
Usb.Task();
if (AMBX.AMBXConnected) { // One can only set the color of the bulb, set the rumble, set and get the bluetooth address and calibrate the magnetometer via USB
if (state == 0) {
} else if (state == 1) {
AMBX.setAllLights(Red);
} else if (state == 2) {
AMBX.setAllLights(Green);
} else if (state == 3) {
AMBX.setAllLights(Blue);
} else if (state == 4) {
AMBX.setAllLights(White);
}
//Example using single light:
//AMBX.setLight(Wallwasher_center, White);
state++;
if (state > 4)
state = 0;
delay(1000);
}
delay(10);
}