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ADG72x_Examples/Arduino_ADG728_Plotter/Arduino_ADG728_Plotter.ino
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| // SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
|
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| #include <Adafruit_ADG72x.h> | ||
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| Adafruit_ADG72x adg72x; | ||
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| bool isADG728 = false; // which chip are we connected to? | ||
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| int analogIn = A0; | ||
| int analogValue = 0; | ||
| unsigned long switchTimer = 1000; // 1000 ms = 1 second for channel switch | ||
| unsigned long readTimer = 10; // 10 ms for analog read | ||
| unsigned long lastSwitchTime = 0; // Last time the channels were switched | ||
| unsigned long lastReadTime = 0; // Last time the analog was read | ||
| uint8_t currentChannel = 0; // Current channel being selected | ||
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| void setup() { | ||
| Serial.begin(115200); | ||
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| // Wait for serial port to open | ||
| while (!Serial) { | ||
| delay(1); | ||
| } | ||
|
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| // Try with the ADG728 default address first... | ||
| if (adg72x.begin(ADG728_DEFAULT_ADDR, &Wire)) { | ||
| Serial.println("ADG728 found!"); | ||
| isADG728 = true; | ||
| } | ||
| // Maybe they have an ADG729? | ||
| else if (adg72x.begin(ADG729_DEFAULT_ADDR, &Wire)) { | ||
| Serial.println("ADG729 found!"); | ||
| isADG728 = false; | ||
| } | ||
| else { | ||
| Serial.println("No ADG device found? Check wiring!"); | ||
| while (1); // Stop here if no device was found | ||
| } | ||
| } | ||
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| void loop() { | ||
| unsigned long currentTime = millis(); | ||
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| // read and print analog value every 10ms | ||
| if ((currentTime - lastReadTime) >= readTimer) { | ||
| analogValue = analogRead(analogIn); | ||
| Serial.println(analogValue); | ||
| lastReadTime = currentTime; | ||
| } | ||
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| // switch channels every 1 second | ||
| if ((currentTime - lastSwitchTime) >= switchTimer) { | ||
| uint8_t bits = 1 << currentChannel; // Shift a '1' from LSB to MSB | ||
| if (!adg72x.selectChannels(bits)) { | ||
| Serial.println("Failed to set channels..."); | ||
| } | ||
| /*Serial.print((currentChannel % 4) + 1); | ||
| if (currentChannel < 4) Serial.println("A"); | ||
| else Serial.println("B");*/ | ||
| currentChannel = (currentChannel + 1) % 8; // Move to the next channel, wrap around at 8 | ||
| lastSwitchTime = currentTime; | ||
| } | ||
| } |
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ADG72x_Examples/Arduino_ADG729_Plotter/Arduino_ADG729_Plotter.ino
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,66 @@ | ||
| // SPDX-FileCopyrightText: 2024 Liz Clark for Adafruit Industries | ||
| // | ||
| // SPDX-License-Identifier: MIT | ||
|
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| #include <Adafruit_ADG72x.h> | ||
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| Adafruit_ADG72x adg72x; | ||
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| int analogInA0 = A0; | ||
| int analogInA1 = A1; | ||
| int analogValueDA = 0; | ||
| int analogValueDB = 0; | ||
| unsigned long switchTimer = 1000; // 1000 ms = 1 second for channel switch | ||
| unsigned long readTimer = 10; // 10 ms for analog read | ||
| unsigned long lastSwitchTime = 0; // Last time the channels were switched | ||
| unsigned long lastReadTime = 0; // Last time the analog was read | ||
| uint8_t currentChannel = 0; // Current channel being selected | ||
|
|
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| void setup() { | ||
| Serial.begin(115200); | ||
|
|
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| // Wait for serial port to open | ||
| while (!Serial) { | ||
| delay(1); | ||
| } | ||
|
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| // Try with the ADG728 default address first... | ||
| if (adg72x.begin(ADG728_DEFAULT_ADDR, &Wire)) { | ||
| //Serial.println("ADG728 found!"); | ||
| } | ||
| // Maybe they have an ADG729? | ||
| else if (adg72x.begin(ADG729_DEFAULT_ADDR, &Wire)) { | ||
| //Serial.println("ADG729 found!"); | ||
| } | ||
| else { | ||
| Serial.println("No ADG72x device found? Check wiring!"); | ||
| while (1); // Stop here if no device was found | ||
| } | ||
| } | ||
|
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| void loop() { | ||
| unsigned long currentTime = millis(); | ||
|
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| // read and print analog value every 10ms | ||
| if ((currentTime - lastReadTime) >= readTimer) { | ||
| analogValueDA = analogRead(analogInA0); | ||
| analogValueDB = analogRead(analogInA1); | ||
| Serial.print(analogValueDA); | ||
| Serial.print(","); | ||
| Serial.println(analogValueDB); | ||
| lastReadTime = currentTime; | ||
| } | ||
|
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| // switch channels every 1 second | ||
| if ((currentTime - lastSwitchTime) >= switchTimer) { | ||
| uint8_t bits = 1 << currentChannel; // Shift a '1' from LSB to MSB | ||
| if (!adg72x.selectChannels(bits)) { | ||
| Serial.println("Failed to set channels..."); | ||
| } | ||
| /*Serial.print((currentChannel % 4) + 1); | ||
| if (currentChannel < 4) Serial.println("A"); | ||
| else Serial.println("B");*/ | ||
| currentChannel = (currentChannel + 1) % 8; // Move to the next channel, wrap around at 8 | ||
| lastSwitchTime = currentTime; | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| # SPDX-FileCopyrightText: Copyright (c) 2024 Liz Clark for Adafruit Industries | ||
| # | ||
| # SPDX-License-Identifier: MIT | ||
|
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| import time | ||
| import board | ||
| import adafruit_adg72x | ||
| from analogio import AnalogIn | ||
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| analog_in = AnalogIn(board.A0) | ||
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| i2c = board.I2C() | ||
| switch = adafruit_adg72x.ADG72x(i2c) | ||
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| c = 0 | ||
| switch_time = 2 | ||
| channels = [0, 4] | ||
| clock = time.monotonic() | ||
| while True: | ||
| if (time.monotonic() - clock) > switch_time: | ||
| print(f"Selecting channel {channels[c] + 1}") | ||
| switch.channel = channels[c] | ||
| c = (c + 1) % 2 | ||
| clock = time.monotonic() | ||
| print((analog_in.value,)) | ||
| time.sleep(0.1) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,31 @@ | ||
| # SPDX-FileCopyrightText: Copyright (c) 2024 Liz Clark for Adafruit Industries | ||
| # | ||
| # SPDX-License-Identifier: MIT | ||
|
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| import time | ||
| import board | ||
| import adafruit_adg72x | ||
| from analogio import AnalogIn | ||
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| analog_in_DA = AnalogIn(board.A0) | ||
| analog_in_DB = AnalogIn(board.A1) | ||
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| i2c = board.I2C() | ||
| switch = adafruit_adg72x.ADG72x(i2c, 0x44) | ||
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| c = 0 | ||
| switch_time = 3 | ||
| clock = time.monotonic() | ||
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| while True: | ||
| if (time.monotonic() - clock) > switch_time: | ||
| if c < 4: | ||
| channels = "A" | ||
| else: | ||
| channels = "B" | ||
| print(f"Selecting channel {(c % 4) + 1}{channels}") | ||
| switch.channel = c | ||
| c = (c + 1) % 8 | ||
| clock = time.monotonic() | ||
| print((analog_in_DA.value, analog_in_DB.value,)) | ||
| time.sleep(0.1) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| # SPDX-FileCopyrightText: 2021 ladyada for Adafruit Industries | ||
| # SPDX-License-Identifier: MIT | ||
|
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| """ | ||
| This test will initialize the display using displayio and draw a solid green | ||
| background, a smaller purple rectangle, and some yellow text. | ||
| """ | ||
| import board | ||
| import terminalio | ||
| import displayio | ||
| from adafruit_display_text import label | ||
|
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| # First set some parameters used for shapes and text | ||
| BORDER = 20 | ||
| FONTSCALE = 2 | ||
| BACKGROUND_COLOR = 0x00FF00 # Bright Green | ||
| FOREGROUND_COLOR = 0xAA0088 # Purple | ||
| TEXT_COLOR = 0xFFFF00 | ||
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| display = board.DISPLAY | ||
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| # Make the display context | ||
| splash = displayio.Group() | ||
| display.root_group = splash | ||
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| color_bitmap = displayio.Bitmap(display.width, display.height, 1) | ||
| color_palette = displayio.Palette(1) | ||
| color_palette[0] = BACKGROUND_COLOR | ||
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| bg_sprite = displayio.TileGrid(color_bitmap, pixel_shader=color_palette, x=0, y=0) | ||
| splash.append(bg_sprite) | ||
|
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| # Draw a smaller inner rectangle | ||
| inner_bitmap = displayio.Bitmap( | ||
| display.width - BORDER * 2, display.height - BORDER * 2, 1 | ||
| ) | ||
| inner_palette = displayio.Palette(1) | ||
| inner_palette[0] = FOREGROUND_COLOR | ||
| inner_sprite = displayio.TileGrid( | ||
| inner_bitmap, pixel_shader=inner_palette, x=BORDER, y=BORDER | ||
| ) | ||
| splash.append(inner_sprite) | ||
|
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| # Draw a label | ||
| text = "Hello World!" | ||
| text_area = label.Label(terminalio.FONT, text=text, color=TEXT_COLOR) | ||
| text_width = text_area.bounding_box[2] * FONTSCALE | ||
| text_group = displayio.Group( | ||
| scale=FONTSCALE, | ||
| x=display.width // 2 - text_width // 2, | ||
| y=display.height // 2, | ||
| ) | ||
| text_group.append(text_area) # Subgroup for text scaling | ||
| splash.append(text_group) | ||
|
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| while True: | ||
| pass |
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