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by ccanovas
Mon Dec 19, 2016 9:38 am
Forum: GD32F103 boards
Topic: I2C HardWire doesnt work with GD32F103CB
Replies: 3
Views: 275

Re: I2C HardWire doesnt work with GD32F103CB

Hi Roger, First, Thank you for yours jobs,contributions and those libraries. It makes the stm32 comes in Arduino world :D . I agree with you about the GD32xxx , on the paper they are look like equal to the STM32xxx but in the real world that is not exactly the case. I'd like to contribute to the GD3...
by ccanovas
Sun Dec 18, 2016 4:34 pm
Forum: GD32F103 boards
Topic: I2C HardWire doesnt work with GD32F103CB
Replies: 3
Views: 275

I2C HardWire doesnt work with GD32F103CB

After many hours and many tests, I2C HardWire doesn't work. I use the i2c_scanner_hwire nothing happens everything freeze. My investigations : 1 ) call _i2c_irq_priority_fixup() make the microcontroller hangs. 2) wait_for_state_change() wait for ever. 3) _i2c_irq_handler() seems to be called heavily...

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