Chri O. Posted April 25, 2023 Share Posted April 25, 2023 (edited) For all of you Falcon owners. I'm just curious if you guys are interested in new Falcon Digital Interface+ Note this is work in progress... Currently what I have developed so far: ADAT out 8ch. SPDIF out 2ch Stereo. USB 2ch to PC (but this is only a side effect for testing). 🙂 Edited April 25, 2023 by Chri O. 8 Quote Link to comment Share on other sites More sharing options...
Cyprian Posted April 25, 2023 Share Posted April 25, 2023 sounds interesting Quote Link to comment Share on other sites More sharing options...
Atari74user Posted May 2, 2023 Share Posted May 2, 2023 This does sound interesting, new products are always welcome, even if to safeguard the old failing one day! 👍 1 Quote Link to comment Share on other sites More sharing options...
sunaiac Posted May 2, 2023 Share Posted May 2, 2023 Is that an optical out replacement for all audio (including YM) or just a part of it ? Quote Link to comment Share on other sites More sharing options...
Matej Posted May 3, 2023 Share Posted May 3, 2023 Please keep USB recording to PC too. This can be nice feature to record stuff from AceTracker. Quote Link to comment Share on other sites More sharing options...
Cyprian Posted May 3, 2023 Share Posted May 3, 2023 (edited) 18 hours ago, sunaiac said: Is that an optical out replacement for all audio (including YM) or just a part of it ? it is optical output from external DSP Port. What is redirected there is up to you, e.g. with fsnd.zip > a falcon sound cpx https://www.atari-forum.com/viewtopic.php?p=415697#p415697 https://www.atari-forum.com/viewtopic.php?t=34402 Edited May 3, 2023 by Cyprian Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 4, 2023 Author Share Posted May 4, 2023 14 hours ago, Matej said: Please keep USB recording to PC too. This can be nice feature to record stuff from AceTracker. I hear you I wish it was that easy but unfortunately USB has a bit of glitching sound, possible fix means a deep dive into USB descriptors and buffers and low-level code. I am using Teensy 4.1 microcontroller and Teensy Audio Library. 1 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 4, 2023 Author Share Posted May 4, 2023 (edited) 15 hours ago, Cyprian said: it is optical output from external DSP Port. What I found fascinating about Atari Falcon audio its the TDM 8 channels protocol, normally digital audio is communicated between chips using I2S protocol. I got to admit the engineers were way ahead of their time. 😲 Edited May 4, 2023 by Chri O. add pic. 1 Quote Link to comment Share on other sites More sharing options...
Cyprian Posted May 4, 2023 Share Posted May 4, 2023 cool, I wonder how the device (e.g. FDI) informs the Falcon about number of outputs. Quote Link to comment Share on other sites More sharing options...
Matej Posted May 4, 2023 Share Posted May 4, 2023 16 hours ago, Chri O. said: I hear you I wish it was that easy but unfortunately USB has a bit of glitching sound, possible fix means a deep dive into USB descriptors and buffers and low-level code. I am using Teensy 4.1 microcontroller and Teensy Audio Library. I own studio card with SPDIF record 192khz 32bit / playback 384khz 32bit max. So no problem. Oldschool musicians dont need USB. Maybe in future version. Quote Link to comment Share on other sites More sharing options...
Grizaptimus Posted May 9, 2023 Share Posted May 9, 2023 I would be very interested in one of these for sure Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 12, 2023 Author Share Posted May 12, 2023 I know I've been kind of quiet for the past 2 weeks but I've been messing with the USB low-level code descriptors (8 in out channels) implementation unfortunately still no go 😞. Current USB Descriptor: Information for device Teensy Audio (VID=0x16C0 PID=0x04D2): ------------------------------ Connection Information: ------------------------------ Device current bus speed: HighSpeed Device supports USB 1.1 specification Device supports USB 2.0 specification Device address: 0x0004 Current configuration value: 0x01 Number of open pipes: 2 ------------------------------ Device Descriptor: ------------------------------ 0x12 bLength 0x01 bDescriptorType 0x0200 bcdUSB 0x00 bDeviceClass 0x00 bDeviceSubClass 0x00 bDeviceProtocol 0x40 bMaxPacketSize0 (64 bytes) 0x16C0 idVendor 0x04D2 idProduct 0x0280 bcdDevice 0x01 iManufacturer 0x02 iProduct 0x03 iSerialNumber 0x01 bNumConfigurations Device Qualifier Descriptor: ------------------------------ 0x0A bLength 0x06 bDescriptorType 0x0200 bcdUSB 0x00 bDeviceClass 0x00 bDeviceSubClass 0x00 bDeviceProtocol 0x40 bMaxPacketSize0 (64 bytes) 0x01 bNumConfigurations 0x00 bReserved ------------------------- Configuration Descriptor: ------------------------- 0x09 bLength 0x02 bDescriptorType 0x00E9 wTotalLength (233 bytes) 0x04 bNumInterfaces 0x01 bConfigurationValue 0x00 iConfiguration 0xC0 bmAttributes (Self-powered Device), // EDIT todo note: 0x80 // (BUS Powered) usb_desc.c line 664 & 1678 0x32 bMaxPower (100 mA) // EDIT todo note: teensy 4 = 250 mA Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x00 bInterfaceNumber 0x00 bAlternateSetting 0x02 bNumEndPoints 0x03 bInterfaceClass (Human Interface Device Class) 0x00 bInterfaceSubClass 0x00 bInterfaceProtocol 0x00 iInterface HID Descriptor: ------------------------------ 0x09 bLength 0x21 bDescriptorType 0x0111 bcdHID 0x00 bCountryCode 0x01 bNumDescriptors 0x22 bDescriptorType (Report descriptor) 0x0021 bDescriptorLength Endpoint Descriptor: ------------------------------ 0x07 bLength 0x05 bDescriptorType 0x82 bEndpointAddress (IN endpoint 2) 0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data) 0x0040 wMaxPacketSize (1 x 64 bytes) 0x01 bInterval (1 microframes) Endpoint Descriptor: ------------------------------ 0x07 bLength 0x05 bDescriptorType 0x02 bEndpointAddress (OUT endpoint 2) 0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data) 0x0020 wMaxPacketSize (1 x 32 bytes) 0x02 bInterval (2 microframes) Interface Association Descriptor: ------------------------------ 0x08 bLength 0x0B bDescriptorType 0x01 bFirstInterface 0x03 bInterfaceCount 0x01 bFunctionClass (Audio Device Class) 0x01 bFunctionSubClass (Audio Control Interface) 0x00 bFunctionProtocol (Audio Protocol undefined) 0x00 iFunction Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x01 bInterfaceNumber 0x00 bAlternateSetting 0x00 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x01 bInterfaceSubClass (Audio Control Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface AC Interface Header Descriptor: ------------------------------ 0x0A bLength 0x24 bDescriptorType 0x01 bDescriptorSubtype 0x0100 bcdADC 0x003E wTotalLength (62 bytes) 0x02 bInCollection 0x02 baInterfaceNr(1) 0x03 baInterfaceNr(2) AC Input Terminal Descriptor: ------------------------------ 0x0C bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x01 bTerminalID 0x0602 wTerminalType (Digital audio interface) 0x00 bAssocTerminal 0x08 bNrChannels (8 channels) 0x0003 wChannelConfig 0x00 iChannelNames 0x00 iTerminal AC Output Terminal Descriptor: ------------------------------ 0x09 bLength 0x24 bDescriptorType 0x03 bDescriptorSubtype 0x02 bTerminalID 0x0101 wTerminalType (USB Streaming) 0x00 bAssocTerminal 0x01 bSourceID 0x00 iTerminal AC Input Terminal Descriptor: ------------------------------ 0x0C bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x03 bTerminalID 0x0101 wTerminalType (USB Streaming) 0x00 bAssocTerminal 0x08 bNrChannels (8 channels) 0x0003 wChannelConfig 0x00 iChannelNames 0x00 iTerminal AC Feature Unit Descriptor: ------------------------------ 0x0A bLength 0x24 bDescriptorType 0x06 bDescriptorSubtype 0x31 bUnitID 0x03 bSourceID 0x01 bControlSize bmaControls: 0x01 Channel(0) - Mute 0x02 Channel(1) - Volume 0x02 Channel(2) - Volume 0x00 iFeature AC Output Terminal Descriptor: ------------------------------ 0x09 bLength 0x24 bDescriptorType 0x03 bDescriptorSubtype 0x04 bTerminalID 0x0602 wTerminalType (Digital audio interface) 0x00 bAssocTerminal 0x31 bSourceID 0x00 iTerminal Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x02 bInterfaceNumber 0x00 bAlternateSetting // Value used to select an alternate setting for the interface identified in the prior field. // Allows an interface to change the settings on the fly. 0x00 bNumEndPoints // If this value is zero, this interface uses the Default Control Pipe only 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x02 bInterfaceNumber 0x01 bAlternateSetting 0x01 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface AS Interface Descriptor: ------------------------------ 0x07 bLength 0x24 bDescriptorType 0x01 bDescriptorSubtype 0x02 bTerminalLink 0x03 bDelay 0x0001 wFormatTag (PCM) AS Format Type 1 Descriptor: ------------------------------ 0x0B bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x01 bFormatType (FORMAT_TYPE_1) 0x08 bNrChannels (8 channels) 0x02 bSubframeSize 0x10 bBitResolution (16 bits per sample) 0x01 bSamFreqType (Discrete sampling frequencies) 0x00BB80 tSamFreq(1) (48000 Hz) Endpoint Descriptor (Audio/MIDI 1.0): ------------------------------ 0x09 bLength 0x05 bDescriptorType 0x83 bEndpointAddress (IN endpoint 3) 0x09 bmAttributes (Transfer: Isochronous / Synch: Adaptive / Usage: Data) 0x0310 wMaxPacketSize (1 x 784 bytes) 0x01 bInterval (1 microframes) 0x00 bRefresh 0x00 bSynchAddress AS Isochronous Data Endpoint Descriptor: ------------------------------ 0x07 bLength 0x25 bDescriptorType 0x01 bDescriptorSubtype 0x00 bmAttributes 0x00 bLockDelayUnits (undefined) 0x0000 wLockDelay Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x03 bInterfaceNumber 0x00 bAlternateSetting 0x00 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x03 bInterfaceNumber 0x01 bAlternateSetting 0x02 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface AS Interface Descriptor: ------------------------------ 0x07 bLength 0x24 bDescriptorType 0x01 bDescriptorSubtype 0x03 bTerminalLink 0x03 bDelay 0x0001 wFormatTag (PCM) AS Format Type 1 Descriptor: ------------------------------ 0x0B bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x01 bFormatType (FORMAT_TYPE_1) 0x08 bNrChannels (8 channels) 0x02 bSubframeSize 0x10 bBitResolution (16 bits per sample) 0x01 bSamFreqType (Discrete sampling frequencies) 0x00BB80 tSamFreq(1) (48000 Hz) Endpoint Descriptor (Audio/MIDI 1.0): ------------------------------ 0x09 bLength 0x05 bDescriptorType 0x03 bEndpointAddress (OUT endpoint 3) 0x05 bmAttributes (Transfer: Isochronous / Synch: Asynchronous / Usage: Data) 0x0310 wMaxPacketSize (1 x 784 bytes) 0x01 bInterval (1 microframes) 0x00 bRefresh 0x84 bSynchAddress AS Isochronous Data Endpoint Descriptor: ------------------------------ 0x07 bLength 0x25 bDescriptorType 0x01 bDescriptorSubtype 0x00 bmAttributes 0x00 bLockDelayUnits (undefined) 0x0000 wLockDelay Endpoint Descriptor (Audio/MIDI 1.0): ------------------------------ 0x09 bLength 0x05 bDescriptorType 0x84 bEndpointAddress (IN endpoint 4) 0x11 bmAttributes (Transfer: Isochronous / Synch: None / Usage: Feedback) 0x0004 wMaxPacketSize (1 x 4 bytes) 0x01 bInterval (1 microframes) 0x07 bRefresh 0x00 bSynchAddress ------------------------------------- Other Speed Configuration Descriptor: ------------------------------------- 0x09 bLength 0x07 bDescriptorType 0x00E9 wTotalLength (233 bytes) 0x04 bNumInterfaces 0x01 bConfigurationValue 0x00 iConfiguration 0xC0 bmAttributes (Self-powered Device) 0x32 bMaxPower (100 mA) Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x00 bInterfaceNumber 0x00 bAlternateSetting 0x02 bNumEndPoints 0x03 bInterfaceClass (Human Interface Device Class) 0x00 bInterfaceSubClass 0x00 bInterfaceProtocol 0x00 iInterface HID Descriptor: ------------------------------ 0x09 bLength 0x21 bDescriptorType 0x0111 bcdHID 0x00 bCountryCode 0x01 bNumDescriptors 0x22 bDescriptorType (Report descriptor) 0x0021 bDescriptorLength Endpoint Descriptor: ------------------------------ 0x07 bLength 0x05 bDescriptorType 0x82 bEndpointAddress (IN endpoint 2) 0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data) 0x0040 wMaxPacketSize (1 x 64 bytes) 0x01 bInterval (1 frames) Endpoint Descriptor: ------------------------------ 0x07 bLength 0x05 bDescriptorType 0x02 bEndpointAddress (OUT endpoint 2) 0x03 bmAttributes (Transfer: Interrupt / Synch: None / Usage: Data) 0x0020 wMaxPacketSize (1 x 32 bytes) 0x02 bInterval (2 frames) Interface Association Descriptor: ------------------------------ 0x08 bLength 0x0B bDescriptorType 0x01 bFirstInterface 0x03 bInterfaceCount 0x01 bFunctionClass (Audio Device Class) 0x01 bFunctionSubClass (Audio Control Interface) 0x00 bFunctionProtocol (Audio Protocol undefined) 0x00 iFunction Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x01 bInterfaceNumber 0x00 bAlternateSetting 0x00 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x01 bInterfaceSubClass (Audio Control Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface AC Interface Header Descriptor: ------------------------------ 0x0A bLength 0x24 bDescriptorType 0x01 bDescriptorSubtype 0x0100 bcdADC 0x003E wTotalLength (62 bytes) 0x02 bInCollection 0x02 baInterfaceNr(1) 0x03 baInterfaceNr(2) AC Input Terminal Descriptor: ------------------------------ 0x0C bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x01 bTerminalID 0x0602 wTerminalType (Digital audio interface) 0x00 bAssocTerminal 0x08 bNrChannels (8 channels) 0x0003 wChannelConfig 0x00 iChannelNames 0x00 iTerminal AC Output Terminal Descriptor: ------------------------------ 0x09 bLength 0x24 bDescriptorType 0x03 bDescriptorSubtype 0x02 bTerminalID 0x0101 wTerminalType (USB Streaming) 0x00 bAssocTerminal 0x01 bSourceID 0x00 iTerminal AC Input Terminal Descriptor: ------------------------------ 0x0C bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x03 bTerminalID 0x0101 wTerminalType (USB Streaming) 0x00 bAssocTerminal 0x08 bNrChannels (8 channels) 0x0003 wChannelConfig 0x00 iChannelNames 0x00 iTerminal AC Feature Unit Descriptor: ------------------------------ 0x0A bLength 0x24 bDescriptorType 0x06 bDescriptorSubtype 0x31 bUnitID 0x03 bSourceID 0x01 bControlSize bmaControls: 0x01 Channel(0) - Mute 0x02 Channel(1) - Volume 0x02 Channel(2) - Volume 0x00 iFeature AC Output Terminal Descriptor: ------------------------------ 0x09 bLength 0x24 bDescriptorType 0x03 bDescriptorSubtype 0x04 bTerminalID 0x0602 wTerminalType (Digital audio interface) 0x00 bAssocTerminal 0x31 bSourceID 0x00 iTerminal Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x02 bInterfaceNumber 0x00 bAlternateSetting 0x00 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x02 bInterfaceNumber 0x01 bAlternateSetting 0x01 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface AS Interface Descriptor: ------------------------------ 0x07 bLength 0x24 bDescriptorType 0x01 bDescriptorSubtype 0x02 bTerminalLink 0x03 bDelay 0x0001 wFormatTag (PCM) AS Format Type 1 Descriptor: ------------------------------ 0x0B bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x01 bFormatType (FORMAT_TYPE_1) 0x08 bNrChannels (8 channels) 0x02 bSubframeSize 0x10 bBitResolution (16 bits per sample) 0x01 bSamFreqType (Discrete sampling frequencies) 0x00BB80 tSamFreq(1) (48000 Hz) Endpoint Descriptor (Audio/MIDI 1.0): ------------------------------ 0x09 bLength 0x05 bDescriptorType 0x83 bEndpointAddress (IN endpoint 3) 0x09 bmAttributes (Transfer: Isochronous / Synch: Adaptive / Usage: Data) 0x0310 wMaxPacketSize (1 x 784 bytes) 0x01 bInterval (1 frames) 0x00 bRefresh 0x00 bSynchAddress AS Isochronous Data Endpoint Descriptor: ------------------------------ 0x07 bLength 0x25 bDescriptorType 0x01 bDescriptorSubtype 0x00 bmAttributes 0x00 bLockDelayUnits (undefined) 0x0000 wLockDelay Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x03 bInterfaceNumber 0x00 bAlternateSetting 0x00 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface Interface Descriptor: ------------------------------ 0x09 bLength 0x04 bDescriptorType 0x03 bInterfaceNumber 0x01 bAlternateSetting 0x02 bNumEndPoints 0x01 bInterfaceClass (Audio Device Class) 0x02 bInterfaceSubClass (Audio Streaming Interface) 0x00 bInterfaceProtocol (Audio Protocol undefined) 0x00 iInterface AS Interface Descriptor: ------------------------------ 0x07 bLength 0x24 bDescriptorType 0x01 bDescriptorSubtype 0x03 bTerminalLink 0x03 bDelay 0x0001 wFormatTag (PCM) AS Format Type 1 Descriptor: ------------------------------ 0x0B bLength 0x24 bDescriptorType 0x02 bDescriptorSubtype 0x01 bFormatType (FORMAT_TYPE_1) 0x08 bNrChannels (8 channels) 0x02 bSubframeSize 0x10 bBitResolution (16 bits per sample) 0x01 bSamFreqType (Discrete sampling frequencies) 0x00BB80 tSamFreq(1) (48000 Hz) Endpoint Descriptor (Audio/MIDI 1.0): ------------------------------ 0x09 bLength 0x05 bDescriptorType 0x03 bEndpointAddress (OUT endpoint 3) 0x05 bmAttributes (Transfer: Isochronous / Synch: Asynchronous / Usage: Data) 0x0310 wMaxPacketSize (1 x 784 bytes) 0x01 bInterval (1 frames) 0x00 bRefresh 0x84 bSynchAddress AS Isochronous Data Endpoint Descriptor: ------------------------------ 0x07 bLength 0x25 bDescriptorType 0x01 bDescriptorSubtype 0x00 bmAttributes 0x00 bLockDelayUnits (undefined) 0x0000 wLockDelay Endpoint Descriptor (Audio/MIDI 1.0): ------------------------------ 0x09 bLength 0x05 bDescriptorType 0x84 bEndpointAddress (IN endpoint 4) 0x11 bmAttributes (Transfer: Isochronous / Synch: None / Usage: Feedback) 0x0003 wMaxPacketSize (1 x 3 bytes) 0x01 bInterval (1 frames) 0x05 bRefresh 0x00 bSynchAddress Microsoft OS Descriptor is not available. Error code: 0x0000001F -------------------------------- String Descriptor Table -------------------------------- Index LANGID String 0x00 0x0000 0x01 0x0000 "Teensyduino" 0x02 0x0000 "Teensy Audio" 0x03 0x0000 "7521140" ------------------------------ Connection path for device: USB xHCI Compliant Host Controller Root Hub Teensy Audio (VID=0x16C0 PID=0x04D2) Port: 2 Running on: Windows 10 or greater (Build Version 19044) Brought to you by TDD v2.17.0, Feb 23 2021, 14:04:02 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 14, 2023 Author Share Posted May 14, 2023 (edited) USB 8ch. test. Still not perfect but...... 🙂 Falcon 8ch USB Test.mp4 And here are the four recorded trucks: Audio Track1.aiffAudio Track-2.aiffAudio Track-3.aiffAudio Track-4.aiff Edited May 14, 2023 by Chri O. Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 19, 2023 Author Share Posted May 19, 2023 I am curious about the audio processor usage max here. Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 20, 2023 Author Share Posted May 20, 2023 On 5/4/2023 at 5:23 AM, Cyprian said: cool, I wonder how the device (e.g. FDI) informs the Falcon about number of outputs. A bit late response but just so you know the Atari Falcon 030 always transmit 8 channels in and out on the DSP port regardless of the device used (SPDIF - ADAT - FA8). 1 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 27, 2023 Author Share Posted May 27, 2023 Finally managed to fix the input side (REC) of things working. Here is a preview of my mess 😁. 20230527_162657.mp4 1 Quote Link to comment Share on other sites More sharing options...
Atari74user Posted May 27, 2023 Share Posted May 27, 2023 Good work, this is moving along nicely, impressive! 👍 1 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted May 28, 2023 Author Share Posted May 28, 2023 Playing with 320x240 color TFT touchscreen. 20230528_155258.mp4 2 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted June 2, 2023 Author Share Posted June 2, 2023 In order to keep the price lower I was thinking about modular PCB design separating the ADAT input. What do you think? Quote Link to comment Share on other sites More sharing options...
Atari74user Posted June 2, 2023 Share Posted June 2, 2023 That sounds like a nice idea in my opinion! So the FDI / SPDIF would be the main part of the unit, and if the user wanted they could add the ADAT In / Out illustrated top left above on your design, not separate PCBs like SPDIF / FDI and ADAT SoundPool built units of old? Quote Link to comment Share on other sites More sharing options...
Chri O. Posted June 2, 2023 Author Share Posted June 2, 2023 To be honest it's only the input ADAT side that gets expensive as the ADAT output is implemented on the microcontroller. See this: 🙂 Let's just say decoding the ADAT stream is kind of CPU demanded so I am off loading this task to CoolAudio V1402 IC ADAT Optical Audio Data Generator and Encoder DATASHEET PDF:https://mediadl.musictribe.com/download/documents/coolaudio/docs/COOLAUDIO_V1402_DATASHEET.pdf 1 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted June 2, 2023 Author Share Posted June 2, 2023 Oh I forgot to mention the second port on the PCB is regenerated and clocked ADAT THRU to allow daisy-chaining. Quote Link to comment Share on other sites More sharing options...
Atari74user Posted June 2, 2023 Share Posted June 2, 2023 Understood, thanks for that, so yeah I think that is a good call personally! Really nice project! 👋 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted June 2, 2023 Author Share Posted June 2, 2023 (edited) Still double checking everything as I was missing 2 decoupling capacitors... Edited June 2, 2023 by Chri O. 1 Quote Link to comment Share on other sites More sharing options...
Chri O. Posted June 11, 2023 Author Share Posted June 11, 2023 Just a quick update, this whole ADAT input was a head scratcher so far. Thank God I know how to make good Irish coffee. Just few budge wires and I got this thing going finally. 🙂 1 Quote Link to comment Share on other sites More sharing options...
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