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HAL_ChibiOS: fix I2C transaction without stop condition

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Start using i2cSoftStop() instead of i2cStop() so the peripheral
continues to be enabled and with non-gated clock.  This allows time for
the I2C peripheral to continue the ack or stop.
This commit is contained in:
Lucas De Marchi 2019-05-24 01:26:03 -07:00 committed by Lucas De Marchi
parent e51f0bc7ff
commit e66de36016
1 changed files with 1 additions and 1 deletions
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2
libraries/AP_HAL_ChibiOS/I2CDevice.cpp
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@ -269,7 +269,7 @@ bool I2CDevice::_transfer(const uint8_t *send, uint32_t send_len,
recv, recv_len, chTimeMS2I(timeout_ms));
}
i2cStop(I2CD[bus.busnum].i2c);
i2cSoftStop(I2CD[bus.busnum].i2c);
osalDbgAssert(I2CD[bus.busnum].i2c->state == I2C_STOP, "i2cStart state");
bus.dma_handle->unlock();