// ------------------------------------------------------------ // 1. SAFE BANKING MACROS (avoid manual BANKED/FAR typos) // ------------------------------------------------------------ #define BANKED_NEAR ((near)) // Accessible without PSV #define BANKED_FAR attribute ((far)) // Any RAM, slower access #define Y_DATA_SPACE attribute ((space(ymemory))) // For DSP #define AUTO_PSV attribute ((space(auto_psv))) // const in program memory
C30 uses a specific syntax for Interrupt Service Routines (ISRs), typically using the __attribute__((interrupt)) keyword to ensure the compiler handles context saving correctly. Conclusion mplab c30 compiler
Even today, the C30 compiler is a legend in the PIC community for several reasons: head + 1) & cb->
The C30 was designed to live inside the (and later MPLAB X). This integration allows for "one-click" compiling, linking, and downloading to hardware tools like the MPLAB ICD or Real ICE. It also provides symbolic debugging, meaning you can watch your C variables change in real-time during a debug session. 4. DSP Library Support if (next_head == cb->
// Interrupt-safe put (disables interrupts) inline int c30_cbuf_put(c30_cbuf_t *cb, unsigned char data) unsigned int next_head = (cb->head + 1) & cb->mask; if (next_head == cb->tail) return -1; // full
Under the hood, XC16 is largely based on the same GCC technology as C30.
Every C30 project requires a .gld (linker script) file. This file tells the compiler exactly how the memory map of your specific chip is laid out.