| # MAX30101 heart rate sensor |
| |
| # Copyright (c) 2017, NXP |
| # SPDX-License-Identifier: Apache-2.0 |
| |
| menuconfig MAX30101 |
| bool "MAX30101 Pulse Oximeter and Heart Rate Sensor" |
| depends on I2C && HAS_DTS_I2C |
| |
| if MAX30101 |
| |
| 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" |
| 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 |
