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antorcha/fw/proto.h
Werner Almesberger 43686321a7 fw/diag.c: fix and improve DIAG function
- we didn't send ACKs for the authentication packets
- take multiple samples (4)
- add 100 ms delay to let the battery voltage settle
2012-07-01 11:53:51 -03:00

80 lines
2.2 KiB
C

/*
* fw/proto.h - Wireless protocol constants
*
* Written 2012 by Werner Almesberger
* Copyright 2012 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef PROTO_H
#define PROTO_H
#include <stdint.h>
#define PAYLOAD 64 /* most messages use a fixed 64 bytes payload */
enum pck_type {
PING = 0, /* version query */
PONG = 1, /* version response */
RESET = 2, /* reset to boot loader */
FIRMWARE = 4, /* firmware upload */
FIRMWARE_ACK = 5, /* firmware upload acknowledgement */
IMAGE = 6, /* image upload */
IMAGE_ACK = 7, /* image upload acknowledgement */
PARAM = 8, /* parameter upload */
PARAM_ACK = 9, /* parameter upload acknowledgement */
SAMPLE = 10, /* start/stop sampling */
SAMPLE_ACK = 11, /* start/stop sampling acknowledgement */
SAMPLES = 13, /* samples */
DIAG = 14, /* diagnostic request */
DIAG_ACK = 15, /* diagnostic response */
};
#define MAX_LINES 80
#define DIAG_SAMPLES 4
#define XA_HIGH_DEFAULT 850
#define XA_LOW_DEFAULT 170
#define PX_FWD_LEFT_DEFAULT 0
#define PX_FWD_RIGHT_DEFAULT (MAX_LINES-1)
#define PX_BWD_LEFT_DEFAULT 0
#define PX_BWD_RIGHT_DEFAULT (MAX_LINES-1)
#define TP_FWD_START_DEFAULT 70000 /* 70 ms */
#define TP_BWD_START_DEFAULT 70000 /* 70 ms */
#define TP_FWD_PIX_DEFAULT 1100 /* 1.1 ms */
#define TP_BWD_PIX_DEFAULT 1100 /* 1.1 ms */
struct params {
/* Accelerator thresholds */
uint16_t xa_high; /* X acceleration high threshold */
uint16_t xa_low; /* X acceleration low threshold */
/* Pixel offsets (in image) */
uint8_t px_fwd_left; /* first column in forward move */
uint8_t px_fwd_right; /* last column in forward move */
uint8_t px_bwd_left; /* last (low) column in backward move */
uint8_t px_bwd_right; /* first (high) col. in backward move */
/* Timer periods, for imaging */
uint32_t tp_fwd_start; /* forward image start */
uint32_t tp_bwd_start; /* backward image start */
uint16_t tp_fwd_pix; /* pixel size in forward move */
uint16_t tp_bwd_pix; /* pixel size in backward move */
};
#endif /* !PROTO_H */