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Contiki OS for 6502 based computers
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Contiki sometimes fails to boot correctly and locks up in random_init() This problem only manifests itself for specific versions of the arm-gcc toolchain and then again only for specific levels of optimisation (-Os vs -O2, depending on the value of the SMALL make variable) The lockup is caused when we write an RFCORE XREG before the RF clock ungating has taken effect, which in turn only occurs depending on the assembly generated for those two instructions: REG(SYS_CTRL_RCGCRFC) = 1; REG(RFCORE_XREG_FRMCTRL0) = 0x00000008; This commit makes the RNG wait for the ungating to take effect before attempting to write the register |
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| cpu | ||
| dev | ||
| doc | ||
| examples | ||
| platform | ||
| regression-tests | ||
| tools | ||
| .gitignore | ||
| .gitmodules | ||
| .travis.yml | ||
| LICENSE | ||
| Makefile.include | ||
| README-BUILDING.md | ||
| README-EXAMPLES.md | ||
| README.md | ||
The Contiki Operating System
Contiki is an open source operating system that runs on tiny low-power microcontrollers and makes it possible to develop applications that make efficient use of the hardware while providing standardized low-power wireless communication for a range of hardware platforms.
Contiki is used in numerous commercial and non-commercial systems, such as city sound monitoring, street lights, networked electrical power meters, industrial monitoring, radiation monitoring, construction site monitoring, alarm systems, remote house monitoring, and so on.
For more information, see the Contiki website: