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#ifndef ZBOOTLOADER_H
#define ZBOOTLOADER_H
#include <stdbool.h>
#include <stdint.h>
#include <stddef.h>
#include <assert.h>
#ifdef __GNUC__
#define PACKED __attribute__((packed))
#else
#define PACKED
#endif
enum header_type {
CMD_PING,
CMD_INFO,
CMD_BOOT,
CMD_READ,
CMD_WRITE,
CMD_IO_READ,
CMD_IO_WRITE,
CMD_ECHO
};
struct header {
uint8_t type;
uint8_t bank;
uint16_t address;
uint16_t length;
uint16_t checksum;
} PACKED;
static_assert(sizeof(struct header) == 8, "struct header is not PACKED");
enum ack {
ACK = 0x00,
NACK = 0xFF
};
enum error {
ERR_TIMEOUT = -1
};
#define LEN(x) ((size_t)(sizeof(x) / sizeof(x[0])))
#define FIFO_LEN 32
#define MAX_PACKET_SIZE 256
#define TIMEOUT_MS 500
#define MAX_ATTEMPTS 3
#define MAX_TRANS_ATTEMPTS 5
// static_assert(FIFO_LEN % 2 == 0, "FIFO_LEN is not a power of 2");
uint16_t
crc16(const void *buf, size_t len);
#endif // ZBOOTLOADER_H
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