Resolved! Bringing up a new board with STM32L443 hangs in the HAL initialization routines.
It was hanging in many of the initiaization routines. There was a problem with the clock. I had an external 16 MHz crystal So I switched back to the internal and it got past that one for now. It got through MX_GPIO_Init(); MX_DMA_Init(); MX_ADC1_Ini...