Add gettimeofday example

[kubo39]

No description provided.

[kubo39]

With -v,

cd /home/kubo39/zephyrproject/zephyr/samples/ldc_examples/gettimeofday && dub build -f -b debug --compiler=/home/kubo39/dev/install-ldc/bin/ldc2 --arch=thumbv7em-unknown-none-newlibeabi
Starting Performing "debug" build using /home/kubo39/dev/install-ldc/bin/ldc2 for arm, arm_thumb, arm_softfloat.
    Building gettimeofday ~master: building configuration [library]
binary    /home/kubo39/dev/install-ldc/bin/ldc2
version   1.32.0-git-bc6b5e7 (DMD v2.102.2, LLVM 15.0.7)
config    /home/kubo39/zephyrproject/zephyr/samples/ldc_examples/gettimeofday/ldc2.conf (thumbv7em-unknown-none-newlibeabi)
predefs   Have_gettimeofday Have_zephyr_core LDC all D_Version2 assert D_PreConditions D_PostConditions D_Invariants D_BetterC ARM Thumb ARM_Thumb ARM_SoftFloat D_SoftFloat LittleEndian FreeStanding CRuntime_Newlib LDC_LLVM_1500
(snip...)

[kubo39]

$ west build -t run
(snip..)
[10/11] To exit from QEMU enter: 'CTRL+a, x'[QEMU] CPU: cortex-m3
qemu-system-arm: warning: nic stellaris_enet.0 has no peer
Timer with period zero, disabling
[00:00:00.000,000] <wrn> net_if: You have 1 IPv6 net_if addresses but 2 network interfaces
[00:00:00.000,000] <wrn> net_if: Consider increasing CONFIG_NET_IF_MAX_IPV6_COUNT value.
[00:00:00.000,000] <wrn> net_if: You have 1 IPv4 net_if addresses but 2 network interfaces
[00:00:00.000,000] <wrn> net_if: Consider increasing CONFIG_NET_IF_MAX_IPV4_COUNT value.
[00:00:00.000,000] <wrn> net_if: Cannot do DAD IPv6 config is not valid.
*** Booting Zephyr OS build zephyr-v3.3.0-1288-g44a8b70cccaf ***
[00:00:00.000,000] <inf> net_config: Initializing network
[00:00:00.000,000] <inf> net_config: IPv4 address: 192.0.2.1
[00:00:00.010,000] <err> os: ***** USAGE FAULT *****
[00:00:00.010,000] <err> os:   Illegal load of EXC_RETURN into PC
[00:00:00.010,000] <err> os: r0/a1:  0x2000133c  r1/a2:  0x0000644b  r2/a3:  0x00000000
[00:00:00.010,000] <err> os: r3/a4:  0x00000080 r12/ip:  0x0000000a r14/lr:  0x0000001c
[00:00:00.010,000] <err> os:  xpsr:  0x20008200
[00:00:00.010,000] <err> os: Faulting instruction address (r15/pc): 0x00000000
[00:00:00.010,000] <err> os: >>> ZEPHYR FATAL ERROR 34: Unknown error on CPU 0
[00:00:00.010,000] <err> os: Current thread: 0x20002020 (unknown)
[00:00:00.010,000] <err> os: Halting system
qemu-system-arm: terminating on signal 2

[kubo39]

This also happened when west build -b qemu_cortex_m3 samples/posix/gettimeofday.

[kubo39]

log:

$ west build -t run
(...)
Generating files from /home/kubo39/zephyrproject/zephyr_ldc_examples/build/zephyr/zephyr.elf for board: qemu_cortex_m3
[6/7] To exit from QEMU enter: 'CTRL+a, x'[QEMU] CPU: cortex-m3
qemu-system-arm: warning: nic stellaris_enet.0 has no peer
Timer with period zero, disabling
[00:00:00.000,000] <wrn> net_if: You have 1 IPv6 net_if addresses but 2 network interfaces
[00:00:00.000,000] <wrn> net_if: Consider increasing CONFIG_NET_IF_MAX_IPV6_COUNT value.
[00:00:00.000,000] <wrn> net_if: You have 1 IPv4 net_if addresses but 2 network interfaces
[00:00:00.000,000] <wrn> net_if: Consider increasing CONFIG_NET_IF_MAX_IPV4_COUNT value.
[00:00:00.000,000] <wrn> net_if: Cannot do DAD IPv6 config is not valid.
*** Booting Zephyr OS build v4.0.0-4204-gcef0c1af0d8f ***
[00:00:00.010,000] <inf> net_config: Initializing network
[00:00:00.010,000] <inf> net_config: IPv4 address: 192.0.2.1
gettimeofday(): HI(tv_sec)=0, LO(tv_sec)=4, tv_usec=130000
        Wed Dec 31 23:59:59 1969

[00:00:04.130,000] <err> net_config: Cannot set time using SNTP
gettimeofday(): HI(tv_sec)=0, LO(tv_sec)=5, tv_usec=160000
        Wed Dec 31 23:59:59 1969

gettimeofday(): HI(tv_sec)=0, LO(tv_sec)=6, tv_usec=190000
        Wed Dec 31 23:59:59 1969

QEMU: Terminated