Swagbadge2021 GettingStarted - Revision history

Nicola at 02:20, 15 January 2022

2022-01-15T02:20:08Z

← Older revision		Revision as of 02:20, 15 January 2022
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	= Hardware pinout =		= Hardware pinout =

	You can get the schematic and pin mapping on this page: https://github.com/CCHS-Melbourne/Swag-Badge/blob/master/swag-badge-schematic.pdf		You can get the schematic and pin mapping on this page: https://github.com/CCHS-Melbourne/Swag-Badge/blob/master/Swag-Badge-2021/swag-badge-schematic.pdf
	<pre>		<pre>
	- GPIO0 : left breakout pin4 (can be VSPI CS/SS#1 if 2 SPI devices, otherwise wire CS to GND)		- GPIO0 : left breakout pin4 (can be VSPI CS/SS#1 if 2 SPI devices, otherwise wire CS to GND)

Marcmerlin: /* Hardware pinout */

2021-02-13T04:46:01Z

Hardware pinout

← Older revision		Revision as of 04:46, 13 February 2021
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	- GPIO25: SAO4 pin4 + RB pin6 (also VSPI DC/A0/RS)		- GPIO25: SAO4 pin4 + RB pin6 (also VSPI DC/A0/RS)
	- GPIO26: SAO4 pin3 + RB pin7 (also VSPI RES/RST)		- GPIO26: SAO4 pin3 + RB pin7 (also VSPI RES/RST or RST can be wired to EN for auto)

	- GPIO32: SAO2 pin3 + RB pin4 (touch pin, can be used with SAO tux foot or nose touchpad)		- GPIO32: SAO2 pin3 + RB pin4 (touch pin, can be used with SAO tux foot or nose touchpad)

Marcmerlin: /* Using Hardware SPI for a device like SSD1331 */

2021-02-13T04:30:36Z

Using Hardware SPI for a device like SSD1331

← Older revision		Revision as of 04:30, 13 February 2021
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	---- Cable select chooses which SPI device we're talking to, if there is only		---- Cable select chooses which SPI device we're talking to, if there is only
	---- one, it can be tied to ground. Any pin is fine		---- one, it can be tied to ground. Any pin is fine
	7 CS/SS => GND ~~27 15~~		7 CS/SS => GND 0 2

	---- MISO is not used to talk to TFTs, and is a hardware pin, but unused here		---- MISO is not used to talk to TFTs, and is a hardware pin, but unused here

Marcmerlin: /* Hardware pinout */

2021-02-13T02:45:27Z

Hardware pinout

← Older revision		Revision as of 02:45, 13 February 2021
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	You can get the schematic and pin mapping on this page: https://github.com/CCHS-Melbourne/Swag-Badge/blob/master/swag-badge-schematic.pdf		You can get the schematic and pin mapping on this page: https://github.com/CCHS-Melbourne/Swag-Badge/blob/master/swag-badge-schematic.pdf
	<pre>		<pre>
	- GPIO0 : left breakout pin4 (can be ~~used as~~ VSPI CS/SS#1 if 2 SPI devices, otherwise CS ~~can be wired~~ to GND)		- GPIO0 : left breakout pin4 (can be VSPI CS/SS#1 if 2 SPI devices, otherwise wire CS to GND)
	- GPIO2 : left breakout pin3 (can be ~~used as~~ VSPI CS/SS#2 if 2 SPI devices, otherwise CS ~~can be wired~~ to GND)		- GPIO2 : left breakout pin3 (can be VSPI CS/SS#2 if 2 SPI devices, otherwise wire CS to GND)

	- GPIO4 : SCL (shared across all SAO connectors and the screens)		- GPIO4 : SCL (shared across all SAO connectors and the screens)

Marcmerlin: /* Hardware pinout */

2021-02-13T02:44:35Z

Hardware pinout

← Older revision		Revision as of 02:44, 13 February 2021
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	You can get the schematic and pin mapping on this page: https://github.com/CCHS-Melbourne/Swag-Badge/blob/master/swag-badge-schematic.pdf		You can get the schematic and pin mapping on this page: https://github.com/CCHS-Melbourne/Swag-Badge/blob/master/swag-badge-schematic.pdf
	<pre>		<pre>
	- GPIO0 : left breakout pin4		- GPIO0 : left breakout pin4 (can be used as VSPI CS/SS#1 if 2 SPI devices, otherwise CS can be wired to GND)
	- GPIO2 : left breakout pin3		- GPIO2 : left breakout pin3 (can be used as VSPI CS/SS#2 if 2 SPI devices, otherwise CS can be wired to GND)

	- GPIO4 : SCL (shared across all SAO connectors and the screens)		- GPIO4 : SCL (shared across all SAO connectors and the screens)
	- GPIO5 : SDA (shared across all SAO connectors and the screens)		- GPIO5 : SDA (shared across all SAO connectors and the screens)
	- GPIO12/15: slider #1		- GPIO12/15: slider #1
	- GPIO13: left breakout pin3		- GPIO13: left breakout pin3 (can be used for TFT backlight)
	- GPIO14/27: slider #2 ~~(can be used as VSPI CS/SS#2 and #1 of if one SPI device only, CS is wired to GND)~~		- GPIO14/27: slider #2
	- GPIO16: left switch (under screen #1)		- GPIO16: left switch (under screen #1)
	- GPIO17: right switch (under screen #2)		- GPIO17: right switch (under screen #2)

Marcmerlin: /* Hardware pinout */

2021-02-08T05:37:35Z

Hardware pinout

← Older revision		Revision as of 05:37, 8 February 2021
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	- GPIO25: SAO4 pin4 + RB pin6 (also VSPI DC/A0/RS)		- GPIO25: SAO4 pin4 + RB pin6 (also VSPI DC/A0/RS)
	- GPIO26: SAO4 pin3 + RB pin7 (also VSPI RES/RST)		- GPIO26: SAO4 pin3 + RB pin7 (also VSPI RES/RST)

	~~- GPIO27: free (pin available on the chip, not routed anywhere)~~

	- GPIO32: SAO2 pin3 + RB pin4 (touch pin, can be used with SAO tux foot or nose touchpad)		- GPIO32: SAO2 pin3 + RB pin4 (touch pin, can be used with SAO tux foot or nose touchpad)

Marcmerlin: /* Using Hardware SPI for a device like SSD1331 */

2021-02-08T05:35:30Z

Using Hardware SPI for a device like SSD1331

← Older revision		Revision as of 05:35, 8 February 2021
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	</pre>		</pre>
	pins 12/13/14 are already used by the badge, but 18/19/23 are usable (SAO3 and SAO1), and since MISO is unused, you could also assign it to GPIO21 which isn't wired at all on the lolin lite chip.		pins 12/13/14 are already used by the badge, but 18/19/23 are usable (SAO3 and SAO1), and since MISO is unused, you could also assign it to GPIO21 which isn't wired at all on the lolin lite chip.
	If you'd also like to keep SAO4 usable (25/26), you can wire CS/SS to ground, move DC/AO/RS to pin 27, and free up pin 26 (RST) by wiring RST to the ESP32 ENA pin, which should issue a TFT reset every time the ESP32 is reset.		If you'd also like to keep SAO4 usable (25/26), you can wire CS/SS to ground to free up pin 27, move DC/AO/RS to pin 27, and free up pin 26 (RST) by wiring RST to the ESP32 ENA pin, which should issue a TFT reset every time the ESP32 is reset.

	End result: https://youtu.be/TYItVAa4tJY		End result: https://youtu.be/TYItVAa4tJY

Marcmerlin: /* Hardware pinout */

2021-02-08T05:31:36Z

Hardware pinout

← Older revision		Revision as of 05:31, 8 February 2021
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	- GPIO12/15: slider #1		- GPIO12/15: slider #1
	- GPIO13: left breakout pin3		- GPIO13: left breakout pin3
	- GPIO14/27: slider #2		- GPIO14/27: slider #2 (can be used as VSPI CS/SS#2 and #1 of if one SPI device only, CS is wired to GND)
	- GPIO16: left switch (under screen #1)		- GPIO16: left switch (under screen #1)
	- GPIO17: right switch (under screen #2)		- GPIO17: right switch (under screen #2)

	- GPIO18: SAO3 pin3 + LB pin7		- GPIO18: SAO3 pin3 + LB pin7 (also VSPI SCL/SCK/CLK/D0)
	- GPIO23: SAO3 pin4		- GPIO23: SAO3 pin4 (also VSPI SDA/SDI/MOSI/D1)

	- GPIO19: SAO1 pin4		- GPIO19: SAO1 pin4
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	- GPIO21: unused but not wired on this chip		- GPIO21: unused but not wired on this chip

	- GPIO25: SAO4 pin4 + RB pin6		- GPIO25: SAO4 pin4 + RB pin6 (also VSPI DC/A0/RS)
	- GPIO26: SAO4 pin3 + RB pin7		- GPIO26: SAO4 pin3 + RB pin7 (also VSPI RES/RST)

	- GPIO27: free (pin available on the chip, not routed anywhere)		- GPIO27: free (pin available on the chip, not routed anywhere)

Nicola: /* Extensions: Adding a SAO */

2021-01-23T23:04:51Z

Extensions: Adding a SAO

← Older revision		Revision as of 23:04, 23 January 2021
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	= Extensions: Adding a SAO =		= Extensions: Adding a SAO =
	* provided by others		* provided by others: look at [https://www.tindie.com/search/?q=SAO Tindie]
	* ~~build~~ your own ~~(linky here to our docs)~~		* [[Swagbadge2021_SAO\|Build your own]]

	= Extensions: Writing your own applications =		= Extensions: Writing your own applications =

Marcmerlin: /* Using Hardware SPI for a device like SSD1331 */

2021-01-23T20:59:50Z

Using Hardware SPI for a device like SSD1331

← Older revision		Revision as of 20:59, 23 January 2021
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	pins 12/13/14 are already used by the badge, but 18/19/23 are usable (SAO3 and SAO1), and since MISO is unused, you could also assign it to GPIO21 which isn't wired at all on the lolin lite chip.		pins 12/13/14 are already used by the badge, but 18/19/23 are usable (SAO3 and SAO1), and since MISO is unused, you could also assign it to GPIO21 which isn't wired at all on the lolin lite chip.
	If you'd also like to keep SAO4 usable (25/26), you can wire CS/SS to ground, move DC/AO/RS to pin 27, and free up pin 26 (RST) by wiring RST to the ESP32 ENA pin, which should issue a TFT reset every time the ESP32 is reset.		If you'd also like to keep SAO4 usable (25/26), you can wire CS/SS to ground, move DC/AO/RS to pin 27, and free up pin 26 (RST) by wiring RST to the ESP32 ENA pin, which should issue a TFT reset every time the ESP32 is reset.

			End result: https://youtu.be/TYItVAa4tJY

	= Extensions: Adding a SAO =		= Extensions: Adding a SAO =