how to flash and monitor uart

STM32_Programmer_CLI -c port=SWD -w build/uart-dma.elf
picocom /dev/tty.wchusbserial1420 -b 115200 -l

f1/uart-dma

instead of using SWD for debugging, implements two functions for outputing string to serial port.

static void Println(char *fmt, ...); // auto adds tailing \r\n
static void Print(char *fmt, ...); // no tailing \r\n

f1/servo-pwm

PA0 - pwm

f1/tftm096

doppler radar motion detection