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More TCA8418

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pmantoine 2024-02-24 17:29:10 +08:00
parent 2082051801
commit 0cb175544e
1 changed files with 2 additions and 0 deletions
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2
IO_TCA8418.h
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@ -40,6 +40,7 @@ class TCA8418 : public GPIOBase<uint64_t> {
public: public:
static void create(VPIN vpin, uint8_t nPins, I2CAddress i2cAddress, int interruptPin=-1) { static void create(VPIN vpin, uint8_t nPins, I2CAddress i2cAddress, int interruptPin=-1) {
if (checkNoOverlap(vpin, nPins, i2cAddress)) if (checkNoOverlap(vpin, nPins, i2cAddress))
// temporarily use the simple 18-pin GPIO mode - we'll switch to 8x8 matrix once this works
new TCA8418(vpin, (nPins = (nPins > 18) ? 18 : nPins), i2cAddress, interruptPin); new TCA8418(vpin, (nPins = (nPins > 18) ? 18 : nPins), i2cAddress, interruptPin);
} }
@ -118,6 +119,7 @@ private:
} }
void _setupDevice() override { void _setupDevice() override {
DIAG(F("TCA8418 setupDevice() called"));
// IOCON is set MIRROR=1, ODR=1 (open drain shared interrupt pin) // IOCON is set MIRROR=1, ODR=1 (open drain shared interrupt pin)
// I2CManager.write(_I2CAddress, 2, REG_IOCON, 0x44); // I2CManager.write(_I2CAddress, 2, REG_IOCON, 0x44);
_writePortModes(); _writePortModes();