// Initialize SU2 channel at base address 0xFFE02000, IRQ 42 su2_handle_t *su2_init(uint32_t base_addr, int irq_num);

Even with a correct setup, the may fail. Here are real-world problems and fixes.

// Blocking/non-blocking read/write int su2_write(su2_handle_t *dev, const uint8_t *buf, size_t len); int su2_read(su2_handle_t *dev, uint8_t *buf, size_t len);

: The manufacturer provides WHQL-certified drivers for the PI7C9X795x series.

Su2 Serial Port Driver Jun 2026

// Initialize SU2 channel at base address 0xFFE02000, IRQ 42 su2_handle_t *su2_init(uint32_t base_addr, int irq_num);

Even with a correct setup, the may fail. Here are real-world problems and fixes.

// Blocking/non-blocking read/write int su2_write(su2_handle_t *dev, const uint8_t *buf, size_t len); int su2_read(su2_handle_t *dev, uint8_t *buf, size_t len);

: The manufacturer provides WHQL-certified drivers for the PI7C9X795x series.