libsigrok/src/hardware/microchip-pickit2/protocol.h

62 lines
1.8 KiB
C

/*
* This file is part of the libsigrok project.
*
* Copyright (C) 2018 Gerhard Sittig <gerhard.sittig@gmx.net>
*
* 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 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef LIBSIGROK_HARDWARE_MICROCHIP_PICKIT2_PROTOCOL_H
#define LIBSIGROK_HARDWARE_MICROCHIP_PICKIT2_PROTOCOL_H
#include <glib.h>
#include <stdint.h>
#include <stdlib.h>
#include <libsigrok/libsigrok.h>
#include "libsigrok-internal.h"
#define LOG_PREFIX "microchip-pickit2"
#define PICKIT2_CHANNEL_COUNT 3
#define PICKIT2_SAMPLE_COUNT 1024
#define PICKIT2_SAMPLE_RAWLEN (4 * 128)
enum pickit_state {
STATE_IDLE,
STATE_CONF,
STATE_WAIT,
STATE_DATA,
};
struct dev_context {
enum pickit_state state;
const uint64_t *samplerates;
size_t num_samplerates;
size_t curr_samplerate_idx;
const uint64_t *captureratios;
size_t num_captureratios;
size_t curr_captureratio_idx;
struct sr_sw_limits sw_limits;
gboolean detached_kernel_driver;
int32_t triggers[PICKIT2_CHANNEL_COUNT]; /**@< see @ref SR_TRIGGER_ZERO et al */
size_t trigpos;
uint8_t samples_raw[PICKIT2_SAMPLE_RAWLEN];
uint8_t samples_conv[PICKIT2_SAMPLE_COUNT];
};
SR_PRIV int microchip_pickit2_setup_trigger(const struct sr_dev_inst *sdi);
SR_PRIV int microchip_pickit2_receive_data(int fd, int revents, void *cb_data);
#endif