esp-idf-lib/components/ht16k33/README.md@84e54b14e7db (annotated)
esp-idf-lib/components/ht16k33/README.md
Mon, 17 Apr 2023 16:20:58 +0200
- author
- Michiel Broek <mbroek@mbse.eu>
- date
- Mon, 17 Apr 2023 16:20:58 +0200
- changeset 32
- 84e54b14e7db
- parent 1
- 1c9894662795
- permissions
- -rw-r--r--
Version 0.4.1 Measure internal chip temperature, range -10 to 80. Result available in mqtt json payload.
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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1 | # HT16K33 driver |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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2 | |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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3 | Driver for Holtek HT16K33 LED Controller. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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5 | ## Usage |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
6 | |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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7 | See the datasheet at https://www.holtek.com/documents/10179/116711/HT16K33v120.pdf . |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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8 | Chip RAM is 16-byte memory where each bit represents idividual pixel. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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9 | It is possbile to change I2C address using jumpers, see the datasheet. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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10 | |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
11 | * Init descriptor with `ht16k33_init_desc()`. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
12 | * Init device with `ht16k33_init()`. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
13 | * Optionally, set up brightness using `ht16k33_set_brightness()`. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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14 | * Turn display on and set blinking mode using `ht16k33_display_setup()`. Unfortunately, its a single command in HT16K33. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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15 | * Write RAM state to set individual pixels using `ht16k33_ram_write()`. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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16 | * At the end, deinitialize using `ht16k33_free_desc()`. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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17 | |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
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18 | See the example at `examples/ht16k33`. |
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1c9894662795
Added esp-idf-lib for a lot of sensors. Added the basic design for the BMP280 task.
Michiel Broek <mbroek@mbse.eu>
parents:
diff
changeset
|
19 |
