The tutorial will guide you through the creation of a sample application which uses JNI to execute some native code written in the C programming language.

50bps GPS raw data stream message format

IAR Embedded Workbench for 8051 is an IDE for building and debugging embedded applications. A wide range of 8051 chips supported. The compiler for 8051 uses C/C++. C-SPY supports RTOS-aware debugging on hardware or in a simulator.

SC51 is a complete set of development tools for 8051, it includes number of components:
C Compiler, Assembler, Linker, Function libraries, IDE, Simulator (supports source and binary level debugging), Flash ISP programming tool.