Compiler - Mplab C30

IFS0bits.U1RXIF = 0;

int main() init_uart_buffer(); unsigned char ch; while (1) if (c30_cbuf_get(&uart_rx, &ch) == 0) // process byte mplab c30 compiler

// ------------------------------------------------------------ // 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 IFS0bits

// ------------------------------------------------------------ // 3. ISR MACRO (fixes C30's verbose/error-prone vector syntax) // ------------------------------------------------------------ #define INTERRUPT(vector, priority) void ((interrupt, auto_psv)) _ ## vector (void) IFS0bits.U1RXIF = 0

// Example: declare a large array without banking mistakes #define LARGE_BUFFER(type, name, size) type BANKED_FAR name[size]