diff options
Diffstat (limited to 'nuttx/configs/px4fmu/include/drv_eeprom.h')
| -rw-r--r-- | nuttx/configs/px4fmu/include/drv_eeprom.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/nuttx/configs/px4fmu/include/drv_eeprom.h b/nuttx/configs/px4fmu/include/drv_eeprom.h new file mode 100644 index 000000000..e6801f6c4 --- /dev/null +++ b/nuttx/configs/px4fmu/include/drv_eeprom.h @@ -0,0 +1,73 @@ +/**************************************************************************** + * + * Copyright (C) 2012 PX4 Development Team. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name PX4 nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* + * Driver for the ST MS5611 gyroscope + */ + +/* IMPORTANT NOTES: + * + * SPI max. clock frequency: 10 Mhz + * CS has to be high before transfer, + * go low right before transfer and + * go high again right after transfer + * + */ + +/* IMPORTANT: Adjust this number! */ +#define MAX_EEPROMS 2 + +/* FMU onboard */ +#define FMU_ONBOARD_EEPROM_ADDRESS 0x50 +#define FMU_ONBOARD_EEPROM_TOTAL_SIZE_BYTES 16000 +#define FMU_ONBOARD_EEPROM_PAGE_SIZE_BYTES 64 +#define FMU_ONBOARD_EEPROM_PAGE_WRITE_TIME_US 5500 +#define FMU_ONBOARD_EEPROM_BUS_CLOCK 1000000 ///< 1 Mhz max. clock + +#define FMU_BASEBOARD_EEPROM_ADDRESS 0x57 +#define FMU_BASEBOARD_EEPROM_TOTAL_SIZE_BYTES 128 +#define FMU_BASEBOARD_EEPROM_PAGE_SIZE_BYTES 8 +#define FMU_BASEBOARD_EEPROM_PAGE_WRITE_TIME_US 3300 +#define FMU_BASEBOARD_EEPROM_BUS_CLOCK 400000 ///< 400 KHz max. clock + +/** + * @brief i2c I2C bus struct + * @brief device_address The device address as stated in the datasheet, e.g. for a Microchip 24XX128 0x50 with all ID pins tied to GND + * @brief total_size_bytes The total size in bytes, e.g. 16K = 16000 bytes for the Microchip 24XX128 + * @brief page_size_bytes The size of one page, e.g. 64 bytes for the Microchip 24XX128 + * @brief device_name The device name to register this device to, e.g. /dev/eeprom + * @brief fail_if_missing Returns error if the EEPROM was not found. This is helpful if the EEPROM might be attached later when the board is running + */ +extern int +eeprom_attach(struct i2c_dev_s *i2c, uint8_t device_address, uint16_t total_size_bytes, uint16_t page_size_bytes, uint16_t page_write_time_us, const char* device_name, uint8_t fail_if_missing); + |