cdc_rx.h

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#ifndef ICARUS_CDC_RX_H
#define ICARUS_CDC_RX_H
 
#ifdef __cplusplus
extern "C" {
#endif
 
#include <stdint.h>
#include <stdbool.h>
 
#define CDC_RX_BUF_SIZE 512
 
/* ---- Public API (issue SVC into priv mode on target) ------------------- */
 
void     cdc_rx_init(void);
bool     cdc_rx_read_byte(uint8_t *out);
uint32_t cdc_rx_available(void);
 
/* ---- Producer entry point ---------------------------------------------- */
 
void     cdc_rx_push(const uint8_t *data, uint32_t len);
 
/* ---- Privileged implementations (internal — do not call directly) ----- */
 
void     __cdc_rx_init(void);
void     __cdc_rx_push(const uint8_t *data, uint32_t len);
bool     __cdc_rx_read_byte(uint8_t *out);
uint32_t __cdc_rx_available(void);
 
#ifdef __cplusplus
}
#endif
 
#endif /* ICARUS_CDC_RX_H */