# Kconfig - MAX30101 heart rate sensor # # Copyright (c) 2017, NXP # # SPDX-License-Identifier: Apache-2.0 # menuconfig MAX30101 bool prompt "MAX30101 Pulse Oximeter and Heart Rate Sensor" depends on I2C default n if MAX30101 if !HAS_DTS_I2C_DEVICE config MAX30101_NAME string prompt "Driver name" default "MAX30101" config MAX30101_I2C_NAME string prompt "I2C device name" default "I2C_0" endif # !HAS_DTS_I2C_DEVICE config MAX30101_SMP_AVE int "Sample averaging" range 0 7 default 0 help To reduce the amount of data throughput, adjacent samples (in each individual channel) can be averaged and decimated on the chip by setting this register. Set to 0 for no averaging. 0 = 1 sample (no averaging) 1 = 2 samples 2 = 4 samples 3 = 8 samples 4 = 16 samples 5 = 32 samples 6 = 32 samples 7 = 32 samples config MAX30101_FIFO_ROLLOVER_EN bool "FIFO rolls on full" default n help Controls the behavior of the FIFO when the FIFO becomes completely filled with data. If set, the FIFO address rolls over to zero and the FIFO continues to fill with new data. If not set, then the FIFO is not updated until FIFO_DATA is read or the WRITE/READ pointer positions are changed. config MAX30101_FIFO_A_FULL int "FIFO almost full value" range 0 15 default 0 help Set the trigger for the FIFO_A_FULL interrupt choice MAX30101_MODE prompt "Mode control" default MAX30101_MULTI_LED_MODE config MAX30101_HEART_RATE_MODE bool "Heart rate mode" help Set to operate in heart rate only mode. The red LED channel is active. config MAX30101_SPO2_MODE bool "SpO2 mode" help Set to operate in SpO2 mode. The red and IR LED channels are active. config MAX30101_MULTI_LED_MODE bool "Multi-LED mode" help Set to operate in multi-LED mode. The green, red, and/or IR LED channels are active. endchoice config MAX30101_ADC_RGE int "ADC range control" range 0 3 default 2 help Set the ADC's full-scale range. 0 = 7.81 pA/LSB 1 = 15.63 pA/LSB 2 = 31.25 pA/LSB 3 = 62.5 pA/LSB config MAX30101_SR int "ADC sample rate control" range 0 7 default 0 help Set the effective sampling rate with one sample consisting of one pulse/conversion per active LED channel. In SpO2 mode, these means one IR pulse/conversion and one red pulse/conversion per sample period. 0 = 50 Hz 1 = 100 Hz 2 = 200 Hz 3 = 400 Hz 4 = 800 Hz 5 = 1000 Hz 6 = 1600 Hz 7 = 3200 Hz config MAX30101_LED1_PA hex "LED1 (red) pulse amplitude" range 0 0xff default 0xff help Set the pulse amplitude to control the LED1 (red) current. The actual measured LED current for each part can vary significantly due to the trimming methodology. 0x00 = 0.0 mA 0x01 = 0.2 mA 0x02 = 0.4 mA 0x0f = 3.1 mA 0xff = 50.0 mA config MAX30101_LED2_PA hex "LED2 (IR) pulse amplitude" range 0 0xff default 0x33 help Set the pulse amplitude to control the LED2 (IR) current. The actual measured LED current for each part can vary significantly due to the trimming methodology. 0x00 = 0.0 mA 0x01 = 0.2 mA 0x02 = 0.4 mA 0x0f = 3.1 mA 0xff = 50.0 mA config MAX30101_LED3_PA hex "LED2 (green) pulse amplitude" range 0 0xff default 0xff help Set the pulse amplitude to control the LED3 (green) current. The actual measured LED current for each part can vary significantly due to the trimming methodology. 0x00 = 0.0 mA 0x01 = 0.2 mA 0x02 = 0.4 mA 0x0f = 3.1 mA 0xff = 50.0 mA if MAX30101_MULTI_LED_MODE config MAX30101_SLOT1 int "Slot 1" range 0 7 default 3 help Set which LED and pulse amplitude are active in time slot 1. 0: None (disabled) 1: LED1 (red), LED1_PA 2: LED2 (IR), LED2_PA 3: LED3 (green), LED3_PA 4: None (disabled) 5: LED1 (red), PILOT_PA 6: LED2 (IR), PILOT_PA 7: LED3 (green), PILOT_PA config MAX30101_SLOT2 int "Slot 2" range 0 7 default 0 help Set which LED and pulse amplitude are active in time slot 2. 0: None (disabled) 1: LED1 (red), LED1_PA 2: LED2 (IR), LED2_PA 3: LED3 (green), LED3_PA 4: None (disabled) 5: LED1 (red), PILOT_PA 6: LED2 (IR), PILOT_PA 7: LED3 (green), PILOT_PA config MAX30101_SLOT3 int "Slot 3" range 0 7 default 0 help Set which LED and pulse amplitude are active in time slot 3. 0: None (disabled) 1: LED1 (red), LED1_PA 2: LED2 (IR), LED2_PA 3: LED3 (green), LED3_PA 4: None (disabled) 5: LED1 (red), PILOT_PA 6: LED2 (IR), PILOT_PA 7: LED3 (green), PILOT_PA config MAX30101_SLOT4 int "Slot 4" range 0 7 default 0 help Set which LED and pulse amplitude are active in time slot 4. 0: None (disabled) 1: LED1 (red), LED1_PA 2: LED2 (IR), LED2_PA 3: LED3 (green), LED3_PA 4: None (disabled) 5: LED1 (red), PILOT_PA 6: LED2 (IR), PILOT_PA 7: LED3 (green), PILOT_PA endif # MAX30101_MULTI_LED_MODE endif # MAX30101