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Re: More I2C timeout fixes [arch/arm/src/lpc17xx_40xx/lpc17_40_i2c.c]

Thanks Nathan! Em seg, 2 de mar de 2020 18:07, Nathan Hartman escreveu: > On Mon, Mar 2, 2020 at 2:46 PM Augusto Fraga Giachero > wrote: > > I experienced some crashes when using I2C devices with lpc1769 micros > > (again). I found that the root cause of this behaviour is a race > > condition i

Re: More I2C timeout fixes [arch/arm/src/lpc17xx_40xx/lpc17_40_i2c.c]

On Mon, Mar 2, 2020 at 2:46 PM Augusto Fraga Giachero wrote: > I experienced some crashes when using I2C devices with lpc1769 micros > (again). I found that the root cause of this behaviour is a race > condition in which nxsem_wait(&priv->wait) inside lpc17_40_i2c_start() > doesn't resume fast eno

More I2C timeout fixes [arch/arm/src/lpc17xx_40xx/lpc17_40_i2c.c]

Hi Greg, I experienced some crashes when using I2C devices with lpc1769 micros (again). I found that the root cause of this behaviour is a race condition in which nxsem_wait(&priv->wait) inside lpc17_40_i2c_start() doesn't resume fast enough causing the priv->wait semaphore to be incremented twice