Calculate n'th fibonacci number with assembler and print it to serial via C
It contains various examples that should be reusable in other code
- Serial output with printf()
- Linking in an assembler function
- Power down
| Nano | USB2Serial | Comment |
|---|---|---|
| 3V3 | Vcc | not needed if powered via USB or other |
| Gnd | Gnd | |
| A9 (T0) | Rx | |
| A10 (R0) | Tx | not needed if flashing via USB/DFU or JTAG |
Tested with PlatformIO on a Longan Nano
- https://github.com/riscv/riscv-asm-manual/blob/master/riscv-asm.md
- https://docs.opentitan.org/doc/rm/asm_coding_style/
- https://passlab.github.io/CSCE513/notes/lecture04_RISCV_ISA.pd
- https://vivonomicon.com/2020/02/11/bare-metal-risc-v-development-with-the-gd32vf103cb/
- Author Joachim Banzhaf
- License Attribution-NonCommercial-ShareAlike 4.0 International (CC BY-NC-SA 4.0)