stdio_init_all() analysis
first, lets debug this with real hardware & openocd
do not forget to add breakpoint in this func
the sequence of execution:
/home/fadhil_riyanto/git_clone/pico-sdk/src/rp2_common/pico_stdio/stdio.c:200
-> stdio_init_all()/home/fadhil_riyanto/git_clone/pico-sdk/src/rp2_common/pico_stdio_uart/stdio_uart.c:37
-> stdio_uart_init()/home/fadhil_riyanto/git_clone/pico-sdk/src/rp2_common/pico_stdio_uart/stdio_uart.c:93
-> stdio_uart_init_full()/home/fadhil_riyanto/git_clone/pico-sdk/src/rp2_common/hardware_gpio/gpio.c:38
-> gpio_set_function()/home/fadhil_riyanto/git_clone/pico-sdk/src/rp2_common/hardware_uart/uart.c:42
-> uart_init()
WIP (SOON)