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Update IO_PCF8574.h
Correct handling of input in immediate mode,
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@ -75,7 +75,7 @@ private:
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if (immediate) {
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uint8_t buffer[1];
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I2CManager.read(_I2CAddress, buffer, 1);
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_portInputState = ((uint16_t)buffer) & 0xff;
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_portInputState = buffer[0];
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} else {
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requestBlock.wait(); // Wait for preceding operation to complete
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// Issue new request to read GPIO register
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@ -86,7 +86,7 @@ private:
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// This function is invoked when an I/O operation on the requestBlock completes.
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void _processCompletion(uint8_t status) override {
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if (status == I2C_STATUS_OK)
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_portInputState = ((uint16_t)inputBuffer[0]) & 0xff;
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_portInputState = inputBuffer[0];
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else
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_portInputState = 0xff;
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}
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