add btrktrl, parallax_panels

24 files changed, 84 insertions, 0 deletions

diff --git a/root/projects/btrktrl/$order b/root/projects/btrktrl/$order
new file mode 100644
index 0000000..0520d1b
--- /dev/null
+++ b/root/projects/btrktrl/$order
@@ -0,0 +1,13 @@
+proto_rgb
+proto_encoder
+proto_spi
+knobs_all
+knobs_testing
+pcb_glamour_close
+pcb_glamour_far
+pcb_glamour_top
+pcb_glamour
+pcb_glamour_connector
+pcb_dev_configuration
+pcb_dev_encoder
+pcb_osc
diff --git a/root/projects/btrktrl/description: text$plain b/root/projects/btrktrl/description: text$plain
new file mode 100644
index 0000000..d7e3402
--- /dev/null
+++ b/root/projects/btrktrl/description: text$plain
@@ -0,0 +1 @@
+a FPGA-based modular MIDI/OSC control surface
diff --git a/root/projects/btrktrl/knobs_all/description: text$plain b/root/projects/btrktrl/knobs_all/description: text$plain
new file mode 100644
index 0000000..1a43de0
--- /dev/null
+++ b/root/projects/btrktrl/knobs_all/description: text$plain
@@ -0,0 +1 @@
+sampling machined aluminum knobs from chinese supplier
diff --git a/root/projects/btrktrl/knobs_all/image$jpeg.jpg b/root/projects/btrktrl/knobs_all/image$jpeg.jpg
new file mode 100644
index 0000000..c523f8f
--- /dev/null
+++ b/root/projects/btrktrl/knobs_all/image$jpeg.jpg
diff --git a/root/projects/btrktrl/knobs_testing/description: text$plain b/root/projects/btrktrl/knobs_testing/description: text$plain
new file mode 100644
index 0000000..9588122
--- /dev/null
+++ b/root/projects/btrktrl/knobs_testing/description: text$plain
@@ -0,0 +1 @@
+testing different knob spacings
diff --git a/root/projects/btrktrl/knobs_testing/image$jpeg.jpg b/root/projects/btrktrl/knobs_testing/image$jpeg.jpg
new file mode 100644
index 0000000..09ea47d
--- /dev/null
+++ b/root/projects/btrktrl/knobs_testing/image$jpeg.jpg
diff --git a/root/projects/btrktrl/pcb_dev_configuration/description: text$plain b/root/projects/btrktrl/pcb_dev_configuration/description: text$plain
new file mode 100644
index 0000000..b15f4f0
--- /dev/null
+++ b/root/projects/btrktrl/pcb_dev_configuration/description: text$plain
@@ -0,0 +1 @@
+configuring the FPGA on the custom PCB via an arduino for the first time
diff --git a/root/projects/btrktrl/pcb_dev_configuration/video$mp4.mp4 b/root/projects/btrktrl/pcb_dev_configuration/video$mp4.mp4
new file mode 100644
index 0000000..c8113cd
--- /dev/null
+++ b/root/projects/btrktrl/pcb_dev_configuration/video$mp4.mp4
diff --git a/root/projects/btrktrl/pcb_dev_encoder/description: text$plain b/root/projects/btrktrl/pcb_dev_encoder/description: text$plain
new file mode 100644
index 0000000..530be5a
--- /dev/null
+++ b/root/projects/btrktrl/pcb_dev_encoder/description: text$plain
@@ -0,0 +1 @@
+encoder & capacitive sensing working on the custom PCB
diff --git a/root/projects/btrktrl/pcb_dev_encoder/video$mp4.mp4 b/root/projects/btrktrl/pcb_dev_encoder/video$mp4.mp4
new file mode 100644
index 0000000..fa41799
--- /dev/null
+++ b/root/projects/btrktrl/pcb_dev_encoder/video$mp4.mp4
diff --git a/root/projects/btrktrl/pcb_glamour/image$jpeg.jpg b/root/projects/btrktrl/pcb_glamour/image$jpeg.jpg
new file mode 100644
index 0000000..5864822
--- /dev/null
+++ b/root/projects/btrktrl/pcb_glamour/image$jpeg.jpg
diff --git a/root/projects/btrktrl/pcb_glamour_close/image$jpeg.jpg b/root/projects/btrktrl/pcb_glamour_close/image$jpeg.jpg
new file mode 100644
index 0000000..5d572aa
--- /dev/null
+++ b/root/projects/btrktrl/pcb_glamour_close/image$jpeg.jpg
diff --git a/root/projects/btrktrl/pcb_glamour_connector/image$jpeg.jpg b/root/projects/btrktrl/pcb_glamour_connector/image$jpeg.jpg
new file mode 100644
index 0000000..6503f84
--- /dev/null
+++ b/root/projects/btrktrl/pcb_glamour_connector/image$jpeg.jpg
diff --git a/root/projects/btrktrl/pcb_glamour_far/image$jpeg.jpg b/root/projects/btrktrl/pcb_glamour_far/image$jpeg.jpg
new file mode 100644
index 0000000..661f4fe
--- /dev/null
+++ b/root/projects/btrktrl/pcb_glamour_far/image$jpeg.jpg
diff --git a/root/projects/btrktrl/pcb_glamour_top/image$jpeg.jpg b/root/projects/btrktrl/pcb_glamour_top/image$jpeg.jpg
new file mode 100644
index 0000000..bbefc13
--- /dev/null
+++ b/root/projects/btrktrl/pcb_glamour_top/image$jpeg.jpg
diff --git a/root/projects/btrktrl/pcb_osc/description: text$plain b/root/projects/btrktrl/pcb_osc/description: text$plain
new file mode 100644
index 0000000..2f0df00
--- /dev/null
+++ b/root/projects/btrktrl/pcb_osc/description: text$plain
@@ -0,0 +1 @@
+a browser application talking to the encoders through a websocket/serial OSC bridge (nodejs)
diff --git a/root/projects/btrktrl/pcb_osc/video$mp4.mp4 b/root/projects/btrktrl/pcb_osc/video$mp4.mp4
new file mode 100644
index 0000000..3562d43
--- /dev/null
+++ b/root/projects/btrktrl/pcb_osc/video$mp4.mp4
diff --git a/root/projects/btrktrl/proto_encoder/description: text$plain b/root/projects/btrktrl/proto_encoder/description: text$plain
new file mode 100644
index 0000000..e0f620b
--- /dev/null
+++ b/root/projects/btrktrl/proto_encoder/description: text$plain
@@ -0,0 +1 @@
+getting the encoder and capacitive sensing working on the prototype
diff --git a/root/projects/btrktrl/proto_encoder/video$mp4.mp4 b/root/projects/btrktrl/proto_encoder/video$mp4.mp4
new file mode 100644
index 0000000..acb32c8
--- /dev/null
+++ b/root/projects/btrktrl/proto_encoder/video$mp4.mp4
diff --git a/root/projects/btrktrl/proto_rgb/description: text$plain b/root/projects/btrktrl/proto_rgb/description: text$plain
new file mode 100644
index 0000000..43b7f69
--- /dev/null
+++ b/root/projects/btrktrl/proto_rgb/description: text$plain
@@ -0,0 +1 @@
+driving WS2812 RGB LEDs on the prototype board
diff --git a/root/projects/btrktrl/proto_rgb/video$mp4.mp4 b/root/projects/btrktrl/proto_rgb/video$mp4.mp4
new file mode 100644
index 0000000..8e06fcc
--- /dev/null
+++ b/root/projects/btrktrl/proto_rgb/video$mp4.mp4
diff --git a/root/projects/btrktrl/proto_spi/description: text$plain b/root/projects/btrktrl/proto_spi/description: text$plain
new file mode 100644
index 0000000..c38b56e
--- /dev/null
+++ b/root/projects/btrktrl/proto_spi/description: text$plain
@@ -0,0 +1 @@
+developing and debugging the SPI protocol
diff --git a/root/projects/btrktrl/proto_spi/image$jpeg.jpg b/root/projects/btrktrl/proto_spi/image$jpeg.jpg
new file mode 100644
index 0000000..c89341c
--- /dev/null
+++ b/root/projects/btrktrl/proto_spi/image$jpeg.jpg
diff --git a/root/projects/btrktrl/text$moonscript -> fn -> mmm$dom.moon b/root/projects/btrktrl/text$moonscript -> fn -> mmm$dom.moon
new file mode 100644
index 0000000..f7d8f9c
--- /dev/null
+++ b/root/projects/btrktrl/text$moonscript -> fn -> mmm$dom.moon
@@ -0,0 +1,62 @@
+import div, h3, p, a from require 'mmm.dom'
+import link_to from (require 'mmm.mmmfs.util') require 'mmm.dom'
+
+=>
+  text = (...) ->
+    div with for text in *{...}
+        p text
+      .style = { 'max-width': '900px' }
+
+  filtered_block = (pattern) ->
+    div with for child in *@children
+        continue unless (child\gett 'name: alpha')\match pattern
+
+        div {
+          style: {
+             display: 'inline-block'
+             width: '500px'
+             margin: '0.5em'
+             padding: '0.4em 1em'
+             background: 'var(--gray-bright)'
+          }
+          div (link_to child), style: { 'margin-bottom': '0.2em' }
+          child\gett 'mmm/dom'
+          (child\get 'description: mmm/dom')
+        }
+
+      .style = {
+        display: 'flex'
+        'flex-wrap': 'wrap'
+        'align-items': 'flex-start'
+        margin: '-0.5em'
+      }
+
+  div {
+    h3 @gett 'name: alpha'
+    text "For this project I am builiding a modular, FPGA powered MIDI/OSC Control Surface.",
+         "The setup consists of an arduino MCU as a master controller, that communicates to the PC over
+          SLIP-encoded Serial OSC messages. The controller talks to daughterboards over SPI.
+          Each daugherboard contains a rotary encoder, 8 RGB LEDs and does capacitive sensing on the knob.",
+         "This was the first time I worked with an FPGA, and the first time I designed my own PCBs as well.
+          The FPGA I used is an ICE40UP5k, it was targeted using the icestorm open toolchain and Verilog.
+          I started by prototyping using an UPduino v2 Prototyping board (orange), and my failed rev1 PCBs (green).
+          On the FPGAs I implemented capacitive sensing, the SPI slave and control logic before moving on."
+
+    filtered_block '^proto_'
+
+    text "Once I got everything working there I designed my custom boards with the FPGA integrated directly,
+          including power conditioning and configuration.
+          There is also a busboard that manages SPI addressing / multiplexing as well as latching the power state
+          for each daughterboard, so that they can be started and configured individually."
+
+    filtered_block '^pcb_glamour'
+    filtered_block '^pcb_dev'
+
+    text "The daughterboards and controller communicate over a custom SPI protocol I designed.
+          The controller configures the daughterboards on boot or request from the PC.
+          It sends and receives OSC messages over SLIP-encoded Serial.
+          On the PC a small nodejs application relays the OSC messages over UDP or WebSocket,
+          so that native and web applications can consume them and interact with the control surface."
+
+    filtered_block '^pcb_osc'
+  }