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add PCF8574(A) port expander as passive 4x4 keyboard

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Thomas Göttgens
2024-03-26 00:18:23 +01:00
parent 5de0c71a3e
commit a4efa30799
12 changed files with 155 additions and 4 deletions
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3
src/configuration.h
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@@ -105,10 +105,11 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
// Define if screen should be mirrored left to right
// #define SCREEN_MIRROR
// I2C Keyboards (M5Stack, RAK14004, T-Deck)
// I2C Keyboards (M5Stack, RAK14004, T-Deck, PCF8574A passive)
#define CARDKB_ADDR 0x5F
#define TDECK_KB_ADDR 0x55
#define BBQ10_KB_ADDR 0x1F
#define PCF8574A_ADDRESS 0x20
// -----------------------------------------------------------------------------
// SENSOR