driver: sensor: max30101 Enable multiple instance, data acquisition and add trigger support

boards/nxp/hexiwear/hexiwear_mk64f12.dts

@@ -1,4 +1,9 @@
-/* SPDX-License-Identifier: Apache-2.0 */
+/*
+ * Copyright (c) 2022, NXP
+ * Copyright (c) 2025, CATIE
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
 
 /dts-v1/;
 
@@ -124,6 +129,7 @@
 		status = "disabled";
 		compatible = "maxim,max30101";
 		reg = <0x57>;
+		acq-mode = "multi-led";
 	};
 };
 

drivers/sensor/maxim/max30101/CMakeLists.txt

@@ -1,9 +1,11 @@
 # Makefile - MAX30101 heart rate sensor
 #
 # Copyright (c) 2017, NXP
+# Copyright (c) 2025, CATIE
 #
 # SPDX-License-Identifier: Apache-2.0
 #
 zephyr_library()
 
 zephyr_library_sources(max30101.c)
+zephyr_library_sources_ifdef(CONFIG_MAX30101_TRIGGER max30101_trigger.c)

drivers/sensor/maxim/max30101/Kconfig

@@ -1,205 +1,63 @@
 # MAX30101 heart rate sensor
-
+#
 # Copyright (c) 2017, NXP
+# Copyright (c) 2025, CATIE
+#
 # SPDX-License-Identifier: Apache-2.0
 
 menuconfig MAX30101
 	bool "MAX30101 Pulse Oximeter and Heart Rate Sensor"
 	default y
 	depends on DT_HAS_MAXIM_MAX30101_ENABLED
-	select I2C
+	select I2C if $(dt_compat_on_bus,$(DT_COMPAT_MAXIM_MAX30101),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_DIE_TEMPERATURE
+	bool "Die temperature acquisition"
 
-config MAX30101_FIFO_A_FULL
-	int "FIFO almost full value"
-	range 0 15
-	default 0
+choice MAX30101_TRIGGER_MODE
+	prompt "Trigger mode"
+	default MAX30101_TRIGGER_NONE
 	help
-	  Set the trigger for the FIFO_A_FULL interrupt
+	  Specify the type of triggering to be used by the driver.
 
-choice MAX30101_MODE
-	prompt "Mode control"
-	default MAX30101_MULTI_LED_MODE
+config MAX30101_TRIGGER_NONE
+	bool "No trigger"
 
-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_TRIGGER_GLOBAL_THREAD
+	bool "Use global thread"
+	depends on GPIO
+	depends on $(dt_compat_any_has_prop,$(DT_COMPAT_MAXIM_MAX30101),irq-gpios)
+	select MAX30101_TRIGGER
 
-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.
+config MAX30101_TRIGGER_OWN_THREAD
+	bool "Use own thread"
+	depends on GPIO
+	depends on $(dt_compat_any_has_prop,$(DT_COMPAT_MAXIM_MAX30101),irq-gpios)
+	select MAX30101_TRIGGER
 
 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_TRIGGER
+	bool
 
-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 "LED3 (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
+if MAX30101_TRIGGER
 
-config MAX30101_SLOT3
-	int "Slot 3"
-	range 0 7
-	default 0
+config MAX30101_THREAD_PRIORITY
+	int "Thread priority"
+	depends on MAX30101_TRIGGER_OWN_THREAD
+	default 10
 	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
+	  Priority of thread used by the driver to handle interrupts.
 
-config MAX30101_SLOT4
-	int "Slot 4"
-	range 0 7
-	default 0
+config MAX30101_THREAD_SIZE
+	int "Thread stack size"
+	depends on MAX30101_TRIGGER_OWN_THREAD
+	default 2048
 	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
+	  Stack size of thread used by the driver to handle interrupts.
 
-endif # MAX30101_MULTI_LED_MODE
+endif # MAX30101_TRIGGER
 
 endif # MAX30101