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I2c slave implementation #452

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I2c slave implementation #452

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Commits on Jun 15, 2021

  1. Produce the right state for a starting I2C slave 

    ATMega328p the correct start state for I2C slave is 0x60
Have a look at capt. 21.7.3
The old version sets the state two times. First state 0x60 and then 0x80
Because the TWI_COND_SLAVE is set before the write and after this true
    @seplog
    seplog committed Jun 15, 2021
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  2. First correct slave on write

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    seplog committed Jun 15, 2021
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Commits on Jun 16, 2021

  1. Send a message and receive as twi slave

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    seplog committed Jun 16, 2021
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  2. Start transmission after 500us...

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    seplog committed Jun 16, 2021
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Commits on Jun 18, 2021

  1. Implement a Slave transmit mode

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    seplog committed Jun 18, 2021
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  2. Fix a small bug to Stop the slave transmission

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    seplog committed Jun 18, 2021
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Commits on Jun 30, 2021

  1. Refactoring

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    seplog committed Jun 30, 2021
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