no-OS
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Source file for the LT8722 Driver. More...
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#include "no_os_alloc.h"
#include "no_os_crc8.h"
#include "no_os_delay.h"
#include "no_os_error.h"
#include "no_os_print_log.h"
#include "lt8722.h"
Functions | |
NO_OS_DECLARE_CRC8_TABLE (lt8722_crc8) | |
int32_t | lt8722_voltage_to_dac (int64_t voltage) |
Convert voltage to DAC code. More... | |
int64_t | lt8722_dac_to_voltage (int32_t dac) |
Convert DAC code to nanovolts. More... | |
int | lt8722_transaction (struct lt8722_dev *dev, struct lt8722_packet *packet) |
LT8722 device SPI transaction. More... | |
int | lt8722_reg_read (struct lt8722_dev *dev, uint8_t address, uint32_t *data) |
Read data from LT8722 device. More... | |
int | lt8722_reg_write (struct lt8722_dev *dev, uint8_t address, uint32_t data) |
Write data to LT8722 device. More... | |
int | lt8722_reg_write_mask (struct lt8722_dev *dev, uint8_t address, uint32_t mask, uint32_t data) |
Write to LT8722 device register with mask. More... | |
int | lt8722_get_status (struct lt8722_dev *dev, uint16_t *status) |
Get LT8722 device status. More... | |
int | lt8722_clear_faults (struct lt8722_dev *dev) |
Clear LT8722 device faults. More... | |
int | lt8722_set_enable_req (struct lt8722_dev *dev, bool value) |
Set ENABLE_REQ field in LT8722 device. More... | |
int | lt8722_get_enable_req (struct lt8722_dev *dev, bool *value) |
Get ENABLE_REQ field in LT8722 device. More... | |
int | lt8722_set_swen_req (struct lt8722_dev *dev, bool value) |
Set switching enable of LT8722 device. More... | |
int | lt8722_get_swen_req (struct lt8722_dev *dev, bool *value) |
Get switching enable of LT8722 device. More... | |
int | lt8722_set_sw_frq_set (struct lt8722_dev *dev, enum lt8722_sw_frq_set value) |
Set switching frequency of LT8722 device. More... | |
int | lt8722_get_sw_frq_set (struct lt8722_dev *dev, enum lt8722_sw_frq_set *value) |
Get switching frequency of LT8722 device. More... | |
int | lt8722_set_sw_frq_adj (struct lt8722_dev *dev, enum lt8722_sw_frq_adj value) |
Set switching frequency adjustment of LT8722 device. More... | |
int | lt8722_get_sw_frq_adj (struct lt8722_dev *dev, enum lt8722_sw_frq_adj *value) |
Get switching frequency adjustment of LT8722 device. More... | |
int | lt8722_set_vcc_vreg (struct lt8722_dev *dev, enum lt8722_vcc_vreg value) |
Set internal circuitry voltage source of LT8722 device. More... | |
int | lt8722_get_vcc_vreg (struct lt8722_dev *dev, enum lt8722_vcc_vreg *value) |
Get internal circuitry voltage source of LT8722 device. More... | |
int | lt8722_set_sw_vc_int (struct lt8722_dev *dev, enum lt8722_sw_vc_int value) |
Set initial peak inductor current of LT8722 device. More... | |
int | lt8722_get_sw_vc_int (struct lt8722_dev *dev, enum lt8722_sw_vc_int *value) |
Get initial peak inductor current of LT8722 device. More... | |
int | lt8722_set_pwr_lim (struct lt8722_dev *dev, enum lt8722_pwr_lim value) |
Set LDR power dissipation limit of LT8722 device. More... | |
int | lt8722_get_pwr_lim (struct lt8722_dev *dev, enum lt8722_pwr_lim *value) |
Get LDR power dissipation limit of LT8722 device. More... | |
int | lt8722_set_sys_dc (struct lt8722_dev *dev, enum lt8722_sys_dc value) |
Set PWM duty cycle of LT8722 device. More... | |
int | lt8722_get_sys_dc (struct lt8722_dev *dev, enum lt8722_sys_dc *value) |
Get PWM duty cycle of LT8722 device. More... | |
int | lt8722_set_spis_dac_ilimn (struct lt8722_dev *dev, uint16_t value) |
Set negative output current limit of LT8722 device. More... | |
int | lt8722_get_spis_dac_ilimn (struct lt8722_dev *dev, uint16_t *value) |
Get negative output current limit of LT8722 device. More... | |
int | lt8722_set_spis_dac_ilimp (struct lt8722_dev *dev, uint16_t value) |
Set positive output current limit of LT8722 device. More... | |
int | lt8722_get_spis_dac_ilimp (struct lt8722_dev *dev, uint16_t *value) |
Get positive output current limit of LT8722 device. More... | |
int | lt8722_set_dac (struct lt8722_dev *dev, uint32_t value) |
Set DAC code of LT8722 device. More... | |
int | lt8722_get_dac (struct lt8722_dev *dev, uint32_t *value) |
Get DAC code of LT8722 device. More... | |
int | lt8722_set_spis_ov_clamp (struct lt8722_dev *dev, uint8_t value) |
Set positive output voltage limit of LT8722 device. More... | |
int | lt8722_get_spis_ov_clamp (struct lt8722_dev *dev, uint8_t *value) |
Get positive output voltage limit of LT8722 device. More... | |
int | lt8722_set_spis_uv_clamp (struct lt8722_dev *dev, uint8_t value) |
Set negative output voltage limit of LT8722 device. More... | |
int | lt8722_get_spis_uv_clamp (struct lt8722_dev *dev, uint8_t *value) |
Get negative output voltage limit of LT8722 device. More... | |
int | lt8722_set_aout_en (struct lt8722_dev *dev, bool value) |
Set analog output buffer status of LT8722 device. More... | |
int | lt8722_get_aout_en (struct lt8722_dev *dev, bool *value) |
Get analog output buffer status of LT8722 device. More... | |
int | lt8722_set_amux (struct lt8722_dev *dev, enum lt8722_amux value, uint8_t test) |
Set analot output signal source of LT8722 device. More... | |
int | lt8722_get_amux (struct lt8722_dev *dev, enum lt8722_amux *value, uint8_t *test) |
Get analot output signal source of LT8722 device. More... | |
int | lt8722_set_output_voltage (struct lt8722_dev *dev, int64_t value) |
Set output volatge of LT8722 device. More... | |
int | lt8722_get_output_voltage (struct lt8722_dev *dev, int64_t *value) |
Get output volatge of LT8722 device. More... | |
int | lt8722_shutdown (struct lt8722_dev *dev) |
Reset the LT8722 device. More... | |
int | lt8722_reset (struct lt8722_dev *dev) |
Shutdown the LT8722 device. More... | |
int | lt8722_set_swen_pin (struct lt8722_dev *dev, uint8_t value) |
Set SWEN pin of LT8722 device. More... | |
int | lt8722_get_swen_pin (struct lt8722_dev *dev, uint8_t *value) |
Get SWEN pin of LT8722 device. More... | |
int | lt8722_set_en_pin (struct lt8722_dev *dev, uint8_t value) |
Set EN pin of LT8722 device. More... | |
int | lt8722_get_en_pin (struct lt8722_dev *dev, uint8_t *value) |
Get EN pin of LT8722 device. More... | |
int | lt8722_init (struct lt8722_dev **device, struct lt8722_init_param *init_param) |
Initialize the LT8722 device. More... | |
int | lt8722_remove (struct lt8722_dev *dev) |
Free the resources allocated by the lt8722_init() More... | |
Variables | |
struct lt8722_reg | lt8722_regs [LT8722_NUM_REGISTERS] |
Source file for the LT8722 Driver.
Copyright 2024(c) Analog Devices, Inc.
Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met:
THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES, INC. “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 ANALOG DEVICES, INC. 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.
int lt8722_clear_faults | ( | struct lt8722_dev * | dev | ) |
Clear LT8722 device faults.
dev | - LT8722 device descriptor |
int64_t lt8722_dac_to_voltage | ( | int32_t | dac | ) |
Convert DAC code to nanovolts.
dac | - DAC code. |
int lt8722_get_amux | ( | struct lt8722_dev * | dev, |
enum lt8722_amux * | value, | ||
uint8_t * | test | ||
) |
Get analot output signal source of LT8722 device.
dev | - LT8722 device descriptor |
value | - Analog output signal source value. |
test | - AMUX_TEST value. |
int lt8722_get_aout_en | ( | struct lt8722_dev * | dev, |
bool * | value | ||
) |
Get analog output buffer status of LT8722 device.
dev | - LT8722 device descriptor |
value | - Analog output buffer status value |
int lt8722_get_dac | ( | struct lt8722_dev * | dev, |
uint32_t * | value | ||
) |
Get DAC code of LT8722 device.
dev | - LT8722 device descriptor |
value | - DAC value |
int lt8722_get_en_pin | ( | struct lt8722_dev * | dev, |
uint8_t * | value | ||
) |
Get EN pin of LT8722 device.
dev | - LT8722 device descriptor |
value | - EN pin value. |
int lt8722_get_enable_req | ( | struct lt8722_dev * | dev, |
bool * | value | ||
) |
Get ENABLE_REQ field in LT8722 device.
dev | - LT8722 device descriptor |
value | - Enable if true, disabled otherwise |
int lt8722_get_output_voltage | ( | struct lt8722_dev * | dev, |
int64_t * | value | ||
) |
Get output volatge of LT8722 device.
dev | - LT8722 device descriptor |
value | - Output voltage value in nanovolts. |
int lt8722_get_pwr_lim | ( | struct lt8722_dev * | dev, |
enum lt8722_pwr_lim * | value | ||
) |
Get LDR power dissipation limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - LDR power dissipation limit value |
int lt8722_get_spis_dac_ilimn | ( | struct lt8722_dev * | dev, |
uint16_t * | value | ||
) |
Get negative output current limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Negative output current limit value |
int lt8722_get_spis_dac_ilimp | ( | struct lt8722_dev * | dev, |
uint16_t * | value | ||
) |
Get positive output current limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Positive output current limit value |
int lt8722_get_spis_ov_clamp | ( | struct lt8722_dev * | dev, |
uint8_t * | value | ||
) |
Get positive output voltage limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Positive output voltage limit value |
int lt8722_get_spis_uv_clamp | ( | struct lt8722_dev * | dev, |
uint8_t * | value | ||
) |
Get negative output voltage limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Negative output voltage limit value |
int lt8722_get_status | ( | struct lt8722_dev * | dev, |
uint16_t * | status | ||
) |
Get LT8722 device status.
dev | - LT8722 device descriptor |
status | - Status value to be returned. |
int lt8722_get_sw_frq_adj | ( | struct lt8722_dev * | dev, |
enum lt8722_sw_frq_adj * | value | ||
) |
Get switching frequency adjustment of LT8722 device.
dev | - LT8722 device descriptor |
value | - Switching frequency value |
int lt8722_get_sw_frq_set | ( | struct lt8722_dev * | dev, |
enum lt8722_sw_frq_set * | value | ||
) |
Get switching frequency of LT8722 device.
dev | - LT8722 device descriptor |
value | - Switching frequency value |
int lt8722_get_sw_vc_int | ( | struct lt8722_dev * | dev, |
enum lt8722_sw_vc_int * | value | ||
) |
Get initial peak inductor current of LT8722 device.
dev | - LT8722 device descriptor |
value | - Peak inductor current value |
int lt8722_get_swen_pin | ( | struct lt8722_dev * | dev, |
uint8_t * | value | ||
) |
Get SWEN pin of LT8722 device.
dev | - LT8722 device descriptor |
value | - SWEN pin value. |
int lt8722_get_swen_req | ( | struct lt8722_dev * | dev, |
bool * | value | ||
) |
Get switching enable of LT8722 device.
dev | - LT8722 device descriptor |
value | - Enable if true, disabled otherwise |
int lt8722_get_sys_dc | ( | struct lt8722_dev * | dev, |
enum lt8722_sys_dc * | value | ||
) |
Get PWM duty cycle of LT8722 device.
dev | - LT8722 device descriptor |
value | - PWM duty cycle value |
int lt8722_get_vcc_vreg | ( | struct lt8722_dev * | dev, |
enum lt8722_vcc_vreg * | value | ||
) |
Get internal circuitry voltage source of LT8722 device.
dev | - LT8722 device descriptor |
value | - VCC voltage regulator output |
int lt8722_init | ( | struct lt8722_dev ** | device, |
struct lt8722_init_param * | init_param | ||
) |
Initialize the LT8722 device.
device | - LT8722 device descriptor |
init_param | - Initialization parameter containing information about the LT8722 device to be initialized. |
int lt8722_reg_read | ( | struct lt8722_dev * | dev, |
uint8_t | address, | ||
uint32_t * | data | ||
) |
Read data from LT8722 device.
dev | - LT8722 device descriptor |
address | - Register address. |
data | - Received data. |
int lt8722_reg_write | ( | struct lt8722_dev * | dev, |
uint8_t | address, | ||
uint32_t | data | ||
) |
Write data to LT8722 device.
dev | - LT8722 device descriptor |
address | - Register address. |
data | - Data to be written. |
int lt8722_reg_write_mask | ( | struct lt8722_dev * | dev, |
uint8_t | address, | ||
uint32_t | mask, | ||
uint32_t | data | ||
) |
Write to LT8722 device register with mask.
dev | - LT8722 device descriptor |
address | - Register address. |
mask | - Mask to be applied. |
data | - Data to be written. |
int lt8722_remove | ( | struct lt8722_dev * | dev | ) |
Free the resources allocated by the lt8722_init()
dev | - LT8722 device descriptor |
int lt8722_reset | ( | struct lt8722_dev * | dev | ) |
Shutdown the LT8722 device.
dev | - LT8722 device descriptor |
int lt8722_set_amux | ( | struct lt8722_dev * | dev, |
enum lt8722_amux | value, | ||
uint8_t | test | ||
) |
Set analot output signal source of LT8722 device.
dev | - LT8722 device descriptor |
value | - Analog output signal source value |
test | - AMUX_TEST value |
int lt8722_set_aout_en | ( | struct lt8722_dev * | dev, |
bool | value | ||
) |
Set analog output buffer status of LT8722 device.
dev | - LT8722 device descriptor |
value | - Analog output buffer status value |
int lt8722_set_dac | ( | struct lt8722_dev * | dev, |
uint32_t | value | ||
) |
Set DAC code of LT8722 device.
dev | - LT8722 device descriptor |
value | - DAC value |
int lt8722_set_en_pin | ( | struct lt8722_dev * | dev, |
uint8_t | value | ||
) |
Set EN pin of LT8722 device.
dev | - LT8722 device descriptor |
value | - EN pin value. |
int lt8722_set_enable_req | ( | struct lt8722_dev * | dev, |
bool | value | ||
) |
Set ENABLE_REQ field in LT8722 device.
dev | - LT8722 device descriptor |
value | - Enable if true, disabled otherwise |
int lt8722_set_output_voltage | ( | struct lt8722_dev * | dev, |
int64_t | value | ||
) |
Set output volatge of LT8722 device.
dev | - LT8722 device descriptor |
value | - Output voltage value in nanovolts. |
int lt8722_set_pwr_lim | ( | struct lt8722_dev * | dev, |
enum lt8722_pwr_lim | value | ||
) |
Set LDR power dissipation limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - LDR power dissipation limit value |
int lt8722_set_spis_dac_ilimn | ( | struct lt8722_dev * | dev, |
uint16_t | value | ||
) |
Set negative output current limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Negative output current limit value |
int lt8722_set_spis_dac_ilimp | ( | struct lt8722_dev * | dev, |
uint16_t | value | ||
) |
Set positive output current limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Positive output current limit value |
int lt8722_set_spis_ov_clamp | ( | struct lt8722_dev * | dev, |
uint8_t | value | ||
) |
Set positive output voltage limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Positive output voltage limit value |
int lt8722_set_spis_uv_clamp | ( | struct lt8722_dev * | dev, |
uint8_t | value | ||
) |
Set negative output voltage limit of LT8722 device.
dev | - LT8722 device descriptor |
value | - Negative output voltage limit value |
int lt8722_set_sw_frq_adj | ( | struct lt8722_dev * | dev, |
enum lt8722_sw_frq_adj | value | ||
) |
Set switching frequency adjustment of LT8722 device.
dev | - LT8722 device descriptor |
value | - Switching frequency adjustment value |
int lt8722_set_sw_frq_set | ( | struct lt8722_dev * | dev, |
enum lt8722_sw_frq_set | value | ||
) |
Set switching frequency of LT8722 device.
dev | - LT8722 device descriptor |
value | - Switching frequency value |
int lt8722_set_sw_vc_int | ( | struct lt8722_dev * | dev, |
enum lt8722_sw_vc_int | value | ||
) |
Set initial peak inductor current of LT8722 device.
dev | - LT8722 device descriptor |
value | - Peak inductor current value |
int lt8722_set_swen_pin | ( | struct lt8722_dev * | dev, |
uint8_t | value | ||
) |
Set SWEN pin of LT8722 device.
dev | - LT8722 device descriptor |
value | - SWEN pin value. |
int lt8722_set_swen_req | ( | struct lt8722_dev * | dev, |
bool | value | ||
) |
Set switching enable of LT8722 device.
dev | - LT8722 device descriptor |
value | - Enable if true, disabled otherwise |
int lt8722_set_sys_dc | ( | struct lt8722_dev * | dev, |
enum lt8722_sys_dc | value | ||
) |
Set PWM duty cycle of LT8722 device.
dev | - LT8722 device descriptor |
value | - PWM duty cycle value |
int lt8722_set_vcc_vreg | ( | struct lt8722_dev * | dev, |
enum lt8722_vcc_vreg | value | ||
) |
Set internal circuitry voltage source of LT8722 device.
dev | - LT8722 device descriptor |
value | - VCC voltage regulator output |
int lt8722_shutdown | ( | struct lt8722_dev * | dev | ) |
Reset the LT8722 device.
dev | - LT8722 device descriptor |
int lt8722_transaction | ( | struct lt8722_dev * | dev, |
struct lt8722_packet * | packet | ||
) |
LT8722 device SPI transaction.
dev | - LT8722 device descriptor |
packet | - LT8722 packet. |
int32_t lt8722_voltage_to_dac | ( | int64_t | voltage | ) |
Convert voltage to DAC code.
voltage | - Voltage value in nanovolts. |
NO_OS_DECLARE_CRC8_TABLE | ( | lt8722_crc8 | ) |
struct lt8722_reg lt8722_regs[LT8722_NUM_REGISTERS] |