Pratyush Mallick
/
testing
this is testing
Diff: app/noos_mbed/drivers/adc-dac/ad5592r/ad5592r-base.h
- Revision:
- 0:3afcd581558d
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/app/noos_mbed/drivers/adc-dac/ad5592r/ad5592r-base.h Thu Jan 14 18:54:16 2021 +0530 @@ -0,0 +1,149 @@ +/***************************************************************************//** + * @file ad5592r-base.h + * @brief Header file of AD5592R Base Driver. + * @author Mircea Caprioru (mircea.caprioru@analog.com) +******************************************************************************** + * Copyright 2018, 2020(c) Analog Devices, Inc. + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * - Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * - 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. + * - Neither the name of Analog Devices, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * - The use of this software may or may not infringe the patent rights + * of one or more patent holders. This license does not release you + * from the requirement that you obtain separate licenses from these + * patent holders to use this software. + * - Use of the software either in source or binary form, must be run + * on or directly connected to an Analog Devices Inc. component. + * + * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT, + * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, 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. +*******************************************************************************/ +#ifndef AD5592R_BASE_H_ +#define AD5592R_BASE_H_ + +#include "stdint.h" +#include "platform_drivers.h" + +#include <stdbool.h> + +#define CH_MODE_UNUSED 0 +#define CH_MODE_ADC 1 +#define CH_MODE_DAC 2 +#define CH_MODE_DAC_AND_ADC 3 +#define CH_MODE_GPI 4 +#define CH_MODE_GPO 5 + +#define CH_OFFSTATE_PULLDOWN 0 +#define CH_OFFSTATE_OUT_LOW 1 +#define CH_OFFSTATE_OUT_HIGH 2 +#define CH_OFFSTATE_OUT_TRISTATE 3 + +enum ad5592r_registers { + AD5592R_REG_NOOP = 0x0, + AD5592R_REG_DAC_READBACK = 0x1, + AD5592R_REG_ADC_SEQ = 0x2, + AD5592R_REG_CTRL = 0x3, + AD5592R_REG_ADC_EN = 0x4, + AD5592R_REG_DAC_EN = 0x5, + AD5592R_REG_PULLDOWN = 0x6, + AD5592R_REG_LDAC = 0x7, + AD5592R_REG_GPIO_OUT_EN = 0x8, + AD5592R_REG_GPIO_SET = 0x9, + AD5592R_REG_GPIO_IN_EN = 0xA, + AD5592R_REG_PD = 0xB, + AD5592R_REG_OPEN_DRAIN = 0xC, + AD5592R_REG_TRISTATE = 0xD, + AD5592R_REG_RESET = 0xF, +}; + +#define AD5592R_REG_PD_PD_ALL BIT(10) +#define AD5592R_REG_PD_EN_REF BIT(9) + +#define AD5592R_REG_CTRL_ADC_PC_BUFF BIT(9) +#define AD5592R_REG_CTRL_ADC_BUFF_EN BIT(8) +#define AD5592R_REG_CTRL_CONFIG_LOCK BIT(7) +#define AD5592R_REG_CTRL_W_ALL_DACS BIT(6) +#define AD5592R_REG_CTRL_ADC_RANGE BIT(5) +#define AD5592R_REG_CTRL_DAC_RANGE BIT(4) + +#define AD5592R_REG_ADC_SEQ_REP BIT(9) +#define AD5592R_REG_ADC_SEQ_TEMP_READBACK BIT(8) +#define AD5592R_REG_ADC_SEQ_CODE_MSK(x) ((x) & 0x0FFF) + +#define AD5592R_REG_GPIO_OUT_EN_ADC_NOT_BUSY BIT(8) + +#define AD5592R_REG_LDAC_IMMEDIATE_OUT 0x00 +#define AD5592R_REG_LDAC_INPUT_REG_ONLY 0x01 +#define AD5592R_REG_LDAC_INPUT_REG_OUT 0x02 + +#define INTERNAL_VREF_VOLTAGE 2.5 + +struct ad5592r_dev; + +struct ad5592r_rw_ops { + int32_t (*write_dac)(struct ad5592r_dev *dev, uint8_t chan, + uint16_t value); + int32_t (*read_adc)(struct ad5592r_dev *dev, uint8_t chan, + uint16_t *value); + int32_t(*multi_read_adc)(struct ad5592r_dev *dev, + uint16_t chans, uint16_t *value); + int32_t (*reg_write)(struct ad5592r_dev *dev, uint8_t reg, + uint16_t value); + int32_t (*reg_read)(struct ad5592r_dev *dev, uint8_t reg, + uint16_t *value); + int32_t (*gpio_read)(struct ad5592r_dev *dev, uint8_t *value); +}; + +struct ad5592r_init_param { + bool int_ref; +}; + +struct ad5592r_dev { + const struct ad5592r_rw_ops *ops; + i2c_desc *i2c; + spi_desc *spi; + uint16_t spi_msg; + uint8_t num_channels; + uint16_t cached_dac[8]; + uint16_t cached_gp_ctrl; + uint8_t channel_modes[8]; + uint8_t channel_offstate[8]; + uint8_t gpio_out; + uint8_t gpio_in; + uint8_t gpio_val; + uint8_t ldac_mode; +}; + +int32_t ad5592r_base_reg_write(struct ad5592r_dev *dev, uint8_t reg, + uint16_t value); +int32_t ad5592r_base_reg_read(struct ad5592r_dev *dev, uint8_t reg, + uint16_t *value); +int32_t ad5592r_gpio_get(struct ad5592r_dev *dev, uint8_t offset); +int32_t ad5592r_gpio_set(struct ad5592r_dev *dev, uint8_t offset, + int32_t value); +int32_t ad5592r_gpio_direction_input(struct ad5592r_dev *dev, uint8_t offset); +int32_t ad5592r_gpio_direction_output(struct ad5592r_dev *dev, + uint8_t offset, int32_t value); +int32_t ad5592r_software_reset(struct ad5592r_dev *dev); +int32_t ad5592r_set_channel_modes(struct ad5592r_dev *dev); +int32_t ad5592r_reset_channel_modes(struct ad5592r_dev *dev); + +#endif /* AD5592R_BASE_H_ */