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/*
* Copyright 2025 Great Scott Gadgets <info@greatscottgadgets.com>
*
* This file is part of HackRF.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#ifndef __M0_STATE_H__
#define __M0_STATE_H__
#include <stdint.h>
#define M0_REQUEST_FLAG (1 << 16)
struct m0_state {
uint32_t requested_mode;
uint32_t active_mode;
uint32_t m0_count;
uint32_t m4_count;
uint32_t num_shortfalls;
uint32_t longest_shortfall;
uint32_t shortfall_limit;
uint32_t threshold;
uint32_t next_mode;
uint32_t error;
};
enum m0_mode {
M0_MODE_IDLE = 0,
M0_MODE_WAIT = 1,
M0_MODE_RX = 2,
M0_MODE_TX_START = 3,
M0_MODE_TX_RUN = 4,
};
enum m0_error {
M0_ERROR_NONE = 0,
M0_ERROR_RX_TIMEOUT = 1,
M0_ERROR_TX_TIMEOUT = 2,
};
/* Address of m0_state is set in ldscripts. If you change the name of this
* variable, it won't be where it needs to be in the processor's address space,
* unless you also adjust the ldscripts.
*/
extern volatile struct m0_state m0_state;
void m0_set_mode(enum m0_mode mode);
#endif /*__M0_STATE_H__*/
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