ads130e08 - Driver for ADS130E08 SPI ADC
- group ads130e08
ESP-IDF driver for ADS130E08 ADC.
Copyright (c) 2021 Weslley M. F. Duarte weslleymfd@gmail.com
MIT Licensed as described in the file LICENSE
Enums
-
enum ads130e08_system_cmd_t
Values:
-
enumerator ADS130E08_CMD_WAKEUP
-
enumerator ADS130E08_CMD_STANDBY
-
enumerator ADS130E08_CMD_RESET
-
enumerator ADS130E08_CMD_START
-
enumerator ADS130E08_CMD_STOP
-
enumerator ADS130E08_CMD_WAKEUP
-
enum ads130e08_data_read_cmd_t
Values:
-
enumerator ADS130E08_CMD_RDATAC
-
enumerator ADS130E08_CMD_SDATAC
-
enumerator ADS130E08_CMD_RDATA
-
enumerator ADS130E08_CMD_RDATAC
-
enum ads130e08_clk_en_t
Values:
-
enumerator ADS130E08_CLK_OUT_DISABLED
Oscillator clock output disabled (default)
-
enumerator ADS130E08_CLK_OUT_ENABLED
Oscillator clock output enabled.
-
enumerator ADS130E08_CLK_OUT_DISABLED
-
enum ads130e08_int_test_t
Values:
-
enumerator ADS130E08_INT_TEST_EXTERNAL
Test signals are driven externally (default)
-
enumerator ADS130E08_INT_TEST_INTERNAL
Test signals are generated internally.
-
enumerator ADS130E08_INT_TEST_EXTERNAL
-
enum ads130e08_test_amp_t
Values:
-
enumerator ADS130E08_TEST_AMP_CALIB_1X
1 × –(VREFP – VREFN) / 2.4 mV (default)
-
enumerator ADS130E08_TEST_AMP_CALIB_2X
2 × –(VREFP – VREFN) / 2.4 mV
-
enumerator ADS130E08_TEST_AMP_CALIB_1X
-
enum ads130e08_test_freq_t
Values:
-
enumerator ADS130E08_TEST_FREQ_EXP_21
Pulsed at fCLK / 2^21 (default)
-
enumerator ADS130E08_TEST_FREQ_EXP_20
Pulsed at fCLK / 2^20.
-
enumerator ADS130E08_TEST_FREQ_AT_DC
At dc.
-
enumerator ADS130E08_TEST_FREQ_EXP_21
-
enum ads130e08_pd_refbuf_t
Values:
-
enumerator ADS130E08_INTERNAL_REF_BUFFER_DISABLED
Power-down internal reference buffer (default)
-
enumerator ADS130E08_INTERNAL_REF_BUFFER_ENABLED
Enable internal reference buffer.
-
enumerator ADS130E08_INTERNAL_REF_BUFFER_DISABLED
-
enum ads130e08_vref_4v_t
Values:
-
enumerator ADS130E08_REF_VOLTAGE_2_4V
VREFP is set to 2.4 V (default)
-
enumerator ADS130E08_REF_VOLTAGE_4_0V
VREFP is set to 4 V (only use with a 5-V analog supply)
-
enumerator ADS130E08_REF_VOLTAGE_2_4V
-
enum ads130e08_opamp_ref_t
Values:
-
enumerator ADS130E08_NON_INVERTING_CONNECT_OPAMP
Noninverting input connected to the OPAMPP pin (default)
-
enumerator ADS130E08_NON_INVERTING_CONNECT_AV
Noninverting input connected to (AVDD + AVSS) / 2.
-
enumerator ADS130E08_NON_INVERTING_CONNECT_OPAMP
-
enum ads130e08_pd_opamp_t
Values:
-
enumerator ADS130E08_OPAMP_DISABLED
Power-down op amp (default)
-
enumerator ADS130E08_OPAMP_ENABLED
Enable op amp.
-
enumerator ADS130E08_OPAMP_DISABLED
-
enum ads130e08_channel_t
Channels.
Values:
-
enumerator ADS130E08_CHANNEL_1
-
enumerator ADS130E08_CHANNEL_2
-
enumerator ADS130E08_CHANNEL_3
-
enumerator ADS130E08_CHANNEL_4
-
enumerator ADS130E08_CHANNEL_5
-
enumerator ADS130E08_CHANNEL_6
-
enumerator ADS130E08_CHANNEL_7
-
enumerator ADS130E08_CHANNEL_8
-
enumerator ADS130E08_CHANNEL_1
-
enum ads130e08_fault_threshold_t
Fault detect comparator threshold.
Values:
-
enumerator ADS130E08_MODE_1
Comparator positive threshold: 95% , negative threshold: 5% (default)
-
enumerator ADS130E08_MODE_2
Comparator positive threshold: 92.5% , negative threshold: 7.5% (default)
-
enumerator ADS130E08_MODE_3
Comparator positive threshold: 90% , negative threshold: 10% (default)
-
enumerator ADS130E08_MODE_4
Comparator positive threshold: 87.5% , negative threshold: 12.5% (default)
-
enumerator ADS130E08_MODE_5
Comparator positive threshold: 85% , negative threshold: 15% (default)
-
enumerator ADS130E08_MODE_6
Comparator positive threshold: 80% , negative threshold: 20% (default)
-
enumerator ADS130E08_MODE_7
Comparator positive threshold: 75% , negative threshold: 25% (default)
-
enumerator ADS130E08_MODE_8
Comparator positive threshold: 70% , negative threshold: 30% (default)
-
enumerator ADS130E08_MODE_1
-
enum ads130e08_pd_t
Power down.
Values:
-
enumerator ADS130E08_NORMAL_OPERATION
Normal operation (default)
-
enumerator ADS130E08_POWER_DOWN
Channel power-down.
-
enumerator ADS130E08_NORMAL_OPERATION
-
enum ads130e08_pga_gain_t
PGA gain.
Values:
-
enumerator ADS130E08_PGA_1
x1
-
enumerator ADS130E08_PGA_2
x2
-
enumerator ADS130E08_PGA_8
x8
-
enumerator ADS130E08_PGA_1
-
enum ads130e08_mux_t
MUX.
Values:
-
enumerator ADS130E08_NORMAL_INPUT
Normal input (default)
-
enumerator ADS130E08_INPUT_SHORTED
Input shorted (for offset or noise measurements)
-
enumerator ADS130E08_MVDD
MVDD for supply measurement.
-
enumerator ADS130E08_TEMPERATURE_SENSOR
Temperature sensor.
-
enumerator ADS130E08_TEST_SIGNAL
Test signal.
-
enumerator ADS130E08_NORMAL_INPUT
-
enum ads130e08_fault_status_t
Fault status.
Values:
-
enumerator ADS130E08_NO_FAULT_PRESENT
No fault present (default)
-
enumerator ADS130E08_FAULT_PRESENT
Fault present.
-
enumerator ADS130E08_NO_FAULT_PRESENT
-
enum ads130e08_gpio_mode_t
GPIO mode.
Values:
-
enumerator ADS130E08_GPIO_OUTPUT
Output.
-
enumerator ADS130E08_GPIO_INPUT
Input (default)
-
enumerator ADS130E08_GPIO_OUTPUT
-
enum ads130e08_gpio_level_t
GPIO level.
Values:
-
enumerator ADS130E08_GPIO_RESET
-
enumerator ADS130E08_GPIO_SET
-
enumerator ADS130E08_GPIO_RESET
Functions
-
esp_err_t ads130e08_init_desc(ads130e08_t *dev, spi_host_device_t host, gpio_num_t cs_pin)
Initialize device descriptor.
- Parameters:
dev – Device descriptor
host – SPI host
cs_pin – CS GPIO number
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_free_desc(ads130e08_t *dev)
Free device descriptor.
- Parameters:
dev – Device descriptor
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_send_system_cmd(ads130e08_t *dev, ads130e08_system_cmd_t cmd)
Send system_command to device.
- Parameters:
dev – Device descriptor
cmd – Command
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_send_data_read_cmd(ads130e08_t *dev, ads130e08_data_read_cmd_t cmd)
Send data_read_command to device.
- Parameters:
dev – Device descriptor
cmd – Command
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_device_id(ads130e08_t *dev, uint8_t *id)
Get device id.
- Parameters:
dev – Device descriptor
id – Id
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_set_device_config(ads130e08_t *dev, ads130e08_dev_config_t config)
Set device configuration.
- Parameters:
dev – Device descriptor
config – Device configurations
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_device_config(ads130e08_t *dev, ads130e08_dev_config_t *config)
Get device configuration.
- Parameters:
dev – Device descriptor
config – Device configurations
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_rdata(ads130e08_t *dev, ads130e08_raw_data_t *raw_data)
Reads raw data in “Read data by command” mode.
- Parameters:
dev – Device descriptor
raw_data – [out] Raw data
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_convert_raw_to_voltage(int16_t raw, uint8_t gain, float *volts)
Converts raw adc value to voltage.
- Parameters:
raw – Raw adc value
gain – Channel gain
volts – [out] Voltage value
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_set_fault_detect_control(ads130e08_t *dev, ads130e08_fault_threshold_t fault_mode)
Set fault detect control.
- Parameters:
dev – Pointer to device descriptor
fault_mode – Fault mode
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_fault_detect_control(ads130e08_t *dev, ads130e08_fault_threshold_t *fault_mode)
Get fault detect control.
- Parameters:
dev – Pointer to device descriptor
fault_mode – [out] Fault mode
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_set_channel_config(ads130e08_t *dev, ads130e08_channel_t channel, ads130e08_channel_config_t config)
Set channel configuration.
- Parameters:
dev – Pointer to device descriptor
channel – Channel
config – Channel configuration
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_channel_config(ads130e08_t *dev, ads130e08_channel_t channel, ads130e08_channel_config_t *config)
Get channel configuration.
- Parameters:
dev – Pointer to device descriptor
channel – Channel
config – [out] Channel configuration
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_set_gpio_pin_mode(ads130e08_t *dev, ads130e08_gpio_pin_t gpio_pin, ads130e08_gpio_mode_t gpio_mode)
Set GPIO pin mode.
- Parameters:
dev – Pointer to device descriptor
gpio_pin – GPIO pin number
gpio_mode – GPIO pin mode
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_gpio_pin_mode(ads130e08_t *dev, ads130e08_gpio_pin_t gpio_pin, ads130e08_gpio_mode_t *gpio_mode)
Get GPIO pin mode.
- Parameters:
dev – Pointer to device descriptor
gpio_pin – GPIO pin number
gpio_mode – [out] GPIO pin mode
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_set_gpio_pin_level(ads130e08_t *dev, ads130e08_gpio_pin_t gpio_pin, ads130e08_gpio_level_t gpio_level)
Set GPIO pin level.
- Parameters:
dev – Pointer to device descriptor
gpio_pin – GPIO pin number
gpio_level – GPIO pin level
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_get_gpio_pin_level(ads130e08_t *dev, ads130e08_gpio_pin_t gpio_pin, ads130e08_gpio_level_t *gpio_level)
Get GPIO pin level.
- Parameters:
dev – Pointer to device descriptor
gpio_pin – GPIO pin number
gpio_level – [out] GPIO pin level
- Returns:
ESP_OK
on success
-
esp_err_t ads130e08_detect_fault_auto(ads130e08_t *dev, uint8_t *fault_statp, uint8_t *fault_statn)
Run automatical fault detection cycle.
- Parameters:
dev – Device descriptor
fault_statp – [out] See datasheet
fault_statn – [out] See datasheet
- Returns:
ESP_OK
on success
-
struct ads130e08_t
- #include <ads130e08.h>
Device descriptor.
-
struct ads130e08_dev_config_t
- #include <ads130e08.h>
Device configuration.
-
struct ads130e08_channel_config_t
- #include <ads130e08.h>
Channel configuration.
-
struct ads130e08_raw_data_t
- #include <ads130e08.h>
-
enum ads130e08_system_cmd_t