kopia lustrzana https://github.com/peterhinch/micropython-nano-gui
Minor changes to ePaper files and docs.
rodzic
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DRIVERS.md
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DRIVERS.md
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@ -528,8 +528,8 @@ Some support a few levels of grey or a very small range of colors. They have
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long refresh times (many seconds). The principal benefit that they consume zero
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long refresh times (many seconds). The principal benefit that they consume zero
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current except while being refreshed: it is possible to switch off power
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current except while being refreshed: it is possible to switch off power
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completely with the device retaining the image indefinitely. Present day EPD
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completely with the device retaining the image indefinitely. Present day EPD
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units perform the slow refresh autonomously. It makes no demands on the CPU
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units perform the slow refresh autonomously - the process makes no demands on
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enabling user code to continue to run.
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the CPU enabling user code to continue to run.
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The drivers are compatible with `uasyncio`. One approach is to use synchronous
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The drivers are compatible with `uasyncio`. One approach is to use synchronous
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methods only and the standard demos (some of which use `uasyncio`) may be run.
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methods only and the standard demos (some of which use `uasyncio`) may be run.
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@ -648,24 +648,24 @@ These are the connections required to run the test scripts on a Pyboard. Viwed
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on the underside of the board with the SD card at the top. Each connector has
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on the underside of the board with the SD card at the top. Each connector has
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pairs of pins which are linked together.
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pairs of pins which are linked together.
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| Pin | Pyb | Pin | Pyb |
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| Pin | Pyb | Pin | Pyb | Notes |
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|:-----:|:----:|:-----:|:----:|
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|:-----:|:----:|:-----:|:----:|:---------------------------------:|
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| RST | Y3 | | | Should be open drain (see below).
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| RST | Y3 | | | Should be open drain (see below). |
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| 3V | 3.3V | | |
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| 3V | 3.3V | | | |
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| . | | | |
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| . | | | | |
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| Gnd | Gnd | | |
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| Gnd | Gnd | | | |
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| SCK | Y6 | DC | Y1 |
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| SCK | Y6 | DC | Y1 | |
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| MOSI | Y8 | ECS | Y2 |
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| MOSI | Y8 | ECS | Y2 | |
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| BUSY | Y4 | . | | Linked with wire to BUSY pad.
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| BUSY | Y4 | . | | Linked with wire to BUSY pad. |
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The FeatherWing has a reset button which shorts the RST line to Gnd. To avoid
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The FeatherWing has a reset button which shorts the RST line to Gnd. To avoid
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risk of damage to the microcontroller pin if the button is pressed, the pin
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risk of damage to the microcontroller pin if the button is pressed, the pin
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