09:40:09 [INFO] System bus created.
09:40:10 [INFO] sysbus: Loading segment of 120176 bytes length at 0x8000000.
09:40:10 [INFO] sysbus: Loading segment of 232 bytes length at 0x801D570.
09:40:10 [INFO] sysbus: Loading segment of 25376 bytes length at 0x200000E8.
09:40:11 [INFO] cpu0: Setting initial values: PC = 0x800363D, SP = 0x20006008.
09:40:11 [INFO] dragino_lsn50: Machine started.
09:40:11 [WARNING] rcc: Unhandled write to offset 0x38. Unhandled bits: [28] when writing value 0x10000000. Tags: PWREN (0x1).
09:40:11 [WARNING] sysbus: [cpu0: 0x800325E] ReadDoubleWord from non existing peripheral at 0x40007000.
09:40:11 [WARNING] sysbus: [cpu0: 0x800325E] WriteDoubleWord to non existing peripheral at 0x40007000, value 0x800.
09:40:11 [WARNING] rcc: Unhandled write to offset 0x30. Unhandled bits: [0] when writing value 0x101. Tags: DMAEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x34. Unhandled bits: [0] when writing value 0x1. Tags: SYSCFEN (0x1).
09:40:11 [WARNING] sysbus: [cpu0: 0x800435E] ReadDoubleWord from non existing peripheral at 0x40007000.
09:40:11 [WARNING] sysbus: [cpu0: 0x8004394] ReadDoubleWord from non existing peripheral at 0x40007000.
09:40:11 [WARNING] sysbus: [cpu0: 0x8004372] ReadDoubleWord from non existing peripheral at 0x40022000.
09:40:11 [WARNING] sysbus: [cpu0: 0x8004372] WriteDoubleWord to non existing peripheral at 0x40022000, value 0x1.
09:40:11 [WARNING] sysbus: [cpu0: 0x8004372] ReadDoubleWord from non existing peripheral at 0x40022000.
09:40:11 [WARNING] sysbus: [cpu0: 0x800438C] ReadDoubleWord from non existing peripheral at 0x40022000.
09:40:11 [WARNING] rcc: Unhandled write to offset 0x2C. Unhandled bits: [7] when writing value 0x80. Tags: IOPHEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x2C. Unhandled bits: [4] when writing value 0x10. Tags: IOPEEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x2C. Unhandled bits: [3] when writing value 0x8. Tags: IOPDEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x2C. Unhandled bits: [2] when writing value 0x4. Tags: IOPCEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x2C. Unhandled bits: [1] when writing value 0x2. Tags: IOPBEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x2C. Unhandled bits: [0] when writing value 0x1. Tags: IOPAEN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x34. Unhandled bits: [14] when writing value 0x4000. Tags: USART1EN (0x1).
09:40:11 [WARNING] rcc: Unhandled write to offset 0x38. Unhandled bits: [17] when writing value 0x20000. Tags: USART2EN (0x1).
09:40:11 [WARNING] gpioa: Unhandled write to offset 0x20. Unhandled bits: [10] when writing value 0x400. Tags: AFSEL2 (0x4).
09:40:11 [WARNING] gpioa: Unhandled write to offset 0x20. Unhandled bits: [14] when writing value 0x4000. Tags: AFSEL3 (0x4).
09:40:11 [INFO] usart1: [host: 0.67s (+0.67s)|virt: 0.95ms (+0.95ms)] *** Booting Zephyr OS build v3.2.0-rc3  ***
09:40:11 [INFO] usart1: [host: 1.06s (+0.39s)|virt: 1.36ms (+0.41ms)] MicroPython v3.2.0-rc3-dirty on 2022-09-26; zephyr-dragino_lsn50 with stm32l072xx
09:40:11 [INFO] usart1: [host: 1.13s (+71.86ms)|virt: 1.61ms (+0.25ms)] >>> 2+2
09:40:12 [INFO] usart1: [host:   1.26s (+0.13s)|virt: 1.96ms (+0.35ms)] 4
09:40:12 [INFO] usart1: [host:   1.79s (+0.53s)|virt: 6.51ms (+4.55ms)] >>> def compare(a, b): return True if a > b else False
09:40:12 [INFO] usart1: [host:  1.82s (+34.5ms)|virt:  6.61ms (+0.1ms)] ... 
09:40:13 [INFO] usart1: [host:   2.26s (+0.44s)|virt: 7.62ms (+1.01ms)] >>> compare(3.2, 2.4)
09:40:13 [INFO] usart1: [host:   2.51s (+0.25s)|virt: 8.21ms (+0.59ms)] True
09:40:13 [INFO] usart1: [host:    2.71s (+0.2s)|virt:  9.51ms (+1.3ms)] >>> compare(2.2, 5.8)
09:40:13 [INFO] usart1: [host:   2.97s (+0.26s)|virt: 10.09ms (+0.58ms)] False
09:40:13 [INFO] dragino_lsn50: Machine paused.
09:40:13 [INFO] dragino_lsn50: Disposed.
09:40:13 [INFO] usart1: [host:    3s (+24.42ms)|virt:    10.1ms (+12µs)] >>