DWM1001 problem run code putchar

DWM1001 use code dwm1001-examples/examples/ss_twr_init/SES at master · Decawave/dwm1001-examples · GitHub problem


C:/Program Files/SEGGER/SEGGER Embedded Studio for ARM 7.10a/lib/libc_v7em_fpv4_sp_d16_hard_t_le_eabi_balanced.a(fileops.o): in function putchar': fileops.c:(.text.libc.putchar+0x0): undefined reference to stdout’
fileops.c:(.text.libc.puts+0x2): undefined reference to `stdout’
ide segger embedded v7.10