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#ifndef CAPE_UART_BYTE_H_
#define CAPE_UART_BYTE_H_
#include <stdint.h>
// uart_common_configure must be called before this.
void uart_byte_configure(void);
// Spins until 1 byte is received or some amount of time. The timeout is
// timeout_count*timeout_divider/30MHz.
// The result is <0 for timeout or the received byte.
int uart_byte_receive(uint16_t timeout_count, uint16_t timeout_divider);
// Spins until 1 byte can be written out.
void uart_byte_send(uint8_t value);
#endif // CAPE_UART_BYTE_H_