mirror of
https://bitbucket.org/librepilot/librepilot.git
synced 2024-11-29 07:24:13 +01:00
79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/**
|
|
******************************************************************************
|
|
* @addtogroup PIOS PIOS Core hardware abstraction layer
|
|
* @{
|
|
* @addtogroup PIOS_I2C I2C Functions
|
|
* @{
|
|
*
|
|
* @file pios_i2c.h
|
|
* @author The OpenPilot Team, http://www.openpilot.org Copyright (C) 2010.
|
|
* @brief I2C functions header.
|
|
* @see The GNU Public License (GPL) Version 3
|
|
*
|
|
*****************************************************************************/
|
|
/*
|
|
* 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, write to the Free Software Foundation, Inc.,
|
|
* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*/
|
|
|
|
#ifndef PIOS_I2C_H
|
|
#define PIOS_I2C_H
|
|
|
|
#define PIOS_I2C_DIAGNOSTICS
|
|
|
|
#include <stdbool.h>
|
|
|
|
/* Global Types */
|
|
enum pios_i2c_txn_direction {
|
|
PIOS_I2C_TXN_READ,
|
|
PIOS_I2C_TXN_WRITE
|
|
};
|
|
|
|
struct pios_i2c_txn {
|
|
const char *info;
|
|
uint16_t addr;
|
|
enum pios_i2c_txn_direction rw;
|
|
uint32_t len;
|
|
uint8_t *buf;
|
|
};
|
|
|
|
#define I2C_LOG_DEPTH 20
|
|
enum pios_i2c_error_type {
|
|
PIOS_I2C_ERROR_EVENT,
|
|
PIOS_I2C_ERROR_FSM,
|
|
PIOS_I2C_ERROR_INTERRUPT
|
|
};
|
|
|
|
struct pios_i2c_fault_history {
|
|
enum pios_i2c_error_type type;
|
|
uint32_t evirq[I2C_LOG_DEPTH];
|
|
uint32_t erirq[I2C_LOG_DEPTH];
|
|
uint8_t event[I2C_LOG_DEPTH];
|
|
uint8_t state[I2C_LOG_DEPTH];
|
|
};
|
|
|
|
/* Public Functions */
|
|
extern int32_t PIOS_I2C_Transfer(uint32_t i2c_id, const struct pios_i2c_txn txn_list[], uint32_t num_txns);
|
|
extern int32_t PIOS_I2C_Transfer_Callback(uint32_t i2c_id, const struct pios_i2c_txn txn_list[], uint32_t num_txns, void *callback);
|
|
extern void PIOS_I2C_EV_IRQ_Handler(uint32_t i2c_id);
|
|
extern void PIOS_I2C_ER_IRQ_Handler(uint32_t i2c_id);
|
|
extern void PIOS_I2C_GetDiagnostics(struct pios_i2c_fault_history *data, uint8_t *error_counts);
|
|
|
|
#endif /* PIOS_I2C_H */
|
|
|
|
/**
|
|
* @}
|
|
* @}
|
|
*/
|