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STMicroelectronics / STM32CubeL4

STM32Cube MCU Full Package for the STM32L4 series - (HAL + LL Drivers, CMSIS Core, CMSIS Device, MW libraries plus a set of Projects running on all boards provided by ST (Nucleo, Evaluation and Discovery Kits))
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HAL_SMBUS_IsDeviceReady keep HAL_LOCK in some cases #87

Closed pocpos closed 5 months ago

pocpos commented 5 months ago

Describe the set-up

Describe the bug Inside the function HAL_SMBUS_IsDeviceReady the "HAL_LOCK" is acquired but not for all return statements released. e.g.Lines:

How To Reproduce Scan the the SMBus for devices which are not present. Call

SMBUS_HandleTypeDef* hSMBus =init first uint16_t devAddr; for ( devAddr = 2; devAddr < 255; devAddr += 2) { if ( HAL_ERROR == HAL_SMBUS_IsDeviceReady( hSMBus , devAddr, 2, 5) ) { assert( HAL_LOCKED == hSMBus->Lock ); // it will assert if lock is still hold } }

pocpos commented 5 months ago

The problem lay elsewhere, this function unlock if it locks allways