Continued to implement/port the MAX30102 using the sparkfun library. Still work to be done !
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@ -1,31 +1,96 @@
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#include "i2c.h"
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#include "max3010X.h"
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#include "MAX3010X.h"
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/* Device i2c address */
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#define MAX3010X_I2C_ADDR 0x57
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/* Device registers list */
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/* Status Regs */
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#define MAX3010X_INT_STATUS1 0x00
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#define MAX3010X_INT_STATUS2 0x01
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#define MAX3010X_INT_EN1 0x02
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#define MAX3010X_INT_EN2 0x03
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#define MAX3010X_FIFO_WR_PTR 0x04
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#define MAX3010X_FIFO_OVERFLOW_CNT 0x05
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#define MAX3010X_FIFO_RD_PTR 0x06
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#define MAX3010X_INT_STATUS1_REG 0x00
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#define MAX3010X_INT_STATUS2_REG 0x01
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#define MAX3010X_INT_EN1_REG 0x02
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#define MAX3010X_INT_EN2_REG 0x03
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#define MAX3010X_FIFO_WR_PTR_REG 0x04
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#define MAX3010X_FIFO_OVERFLOW_CNT_REG 0x05
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#define MAX3010X_FIFO_RD_PTR_REG 0x06
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#define MAX3010X_FIFO_DATA_REG 0x07
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/* Configuration Regs */
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#define MAX3010X_FIFO_CFG 0x08
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#define MAX3010X_MODE_CFG 0x09
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#define MAX3010X_SPO2_CFG 0x0A
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#define MAX3010X_LED1_PULSE_AMP 0x0C
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#define MAX3010X_LED2_PULSE_AMP 0x0D
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#define MAX3010X_MULTI_LED_MODE_CTRL_SLOT1_2 0x11
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#define MAX3010X_MULTI_LED_MODE_CTRL_SLOT3_4 0x12
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#define MAX3010X_FIFO_CFG_REG 0x08
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#define MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN (4)
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#define MAX3010X_FIFO_CFG_SMP_AVE_POS (5)
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#define MAX3010X_MODE_CFG_REG 0x09
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#define MAX3010X_MODE_CFG_RST_BIT_POS (6)
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#define MAX3010X_MODE_CFG_SHDN_BIT_POS (7)
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#define MAX3010X_SPO2_CFG_REG 0x0A
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#define MAX3010X_LED1_PULSE_AMP_REG 0x0C
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#define MAX3010X_LED2_PULSE_AMP_REG 0x0D
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#define MAX3010X_MULTI_LED_MODE_CTRL_SLOT1_2_REG 0x11
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#define MAX3010X_MULTI_LED_MODE_CTRL_SLOT3_4_REG 0x12
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/* Die Temperature Regs */
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#define MAX3010X_DIE_TEMP_INT 0x1F
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#define MAX3010X_DIE_TEMP_FRACT 0x20
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#define MAX3010X_DIE_TEMP_CFG 0x21
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#define MAX3010X_DIE_TEMP_INT_REG 0x1F
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#define MAX3010X_DIE_TEMP_FRACT_REG 0x20
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#define MAX3010X_DIE_TEMP_CFG_REG 0x21
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/* Part ID Regs */
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#define MAX3010X_REV_ID 0xFE
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#define MAX3010X_PART_ID 0xFF
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#define MAX3010X_REV_ID_REG 0xFE
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#define MAX3010X_PART_ID_REG 0xFF
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/* Other */
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#define MAX3010X_PART_ID 0x15
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bool MAX3010X_init(void)
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{
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uint8_t readPartId = 0;
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if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_PART_ID_REG, &readPartId)) return false;
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return readPartId == MAX3010X_PART_ID;
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}
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bool MAX3010X_soft_reset(void)
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{
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uint8_t data;
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if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_MODE_CFG_REG, &data)) return false;
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// We set the reset bit and write the data back to the register
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data |= 1 << MAX3010X_MODE_CFG_RST_BIT_POS;
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return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_MODE_CFG_REG, data);
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}
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bool MAX3010X_set_FIFO_average(MAX3010X_Sample_Average_e sampleAverage)
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{
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uint8_t data;
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if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, &data)) return false;
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data &= 0x1F;
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data |= sampleAverage << MAX3010X_FIFO_CFG_SMP_AVE_POS;
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return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, data);
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}
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bool MAX3010X_enable_FIFO_rollover(bool enabled)
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{
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uint8_t data;
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if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, &data)) return false;
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if(enabled) data |= 1 << MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN;
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else
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data &= ~(1 << MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN);
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return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, data);
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}
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bool MAX3010X_configure(uint8_t powerLevel, MAX3010X_Sample_Average_e sampleAverage, MAX3010X_LED_Mode_e LEDMode, MAX3010X_Sample_Rate_e sampleRate, MAX3010X_LED_Pulse_Width_e LEDPulseWidth, MAX3010X_ADC_Range_e ADCRange)
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{
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if(!MAX3010X_soft_reset()) return false;
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if(!MAX3010X_set_FIFO_average(sampleAverage)) return false;
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if(!MAX3010X_enable_FIFO_rollover(true)) return false;
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return true;
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}
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@ -1,4 +1,67 @@
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#ifndef MAX3010X_H
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#define MAX3010X_H
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typedef enum MAX3010X_LED_Mode
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{
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MAX3010X_LED_MODE_RED_ONLY = 0x02,
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MAX3010X_LED_MODE_RED_AND_IR = 0x03,
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MAX3010X_LED_MODE_MULTI_LED = 0x07
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} MAX3010X_LED_Mode_e;
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typedef enum MAX3010X_Sample_Average
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{
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MAX3010X_SAMPLE_AVERAGE_1 = 0x00,
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MAX3010X_SAMPLE_AVERAGE_2 = 0x01,
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MAX3010X_SAMPLE_AVERAGE_4 = 0x02,
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MAX3010X_SAMPLE_AVERAGE_8 = 0x03,
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MAX3010X_SAMPLE_AVERAGE_16 = 0x04,
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MAX3010X_SAMPLE_AVERAGE_32 = 0x05,
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} MAX3010X_Sample_Average_e;
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typedef enum MAX3010X_Sample_Rate
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{
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MAX3010X_SAMPLES_PER_SECONDS_50 = 0x00,
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MAX3010X_SAMPLES_PER_SECONDS_100 = 0x01,
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MAX3010X_SAMPLES_PER_SECONDS_200 = 0x02,
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MAX3010X_SAMPLES_PER_SECONDS_400 = 0x03,
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MAX3010X_SAMPLES_PER_SECONDS_800 = 0x04,
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MAX3010X_SAMPLES_PER_SECONDS_1000 = 0x05,
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MAX3010X_SAMPLES_PER_SECONDS_1600 = 0x06,
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MAX3010X_SAMPLES_PER_SECONDS_3200 = 0x07,
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} MAX3010X_Sample_Rate_e;
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typedef enum MAX3010X_LED_Pulse_Width
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{
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MAX3010X_LED_PULSE_WIDTH_69 = 0x00,
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MAX3010X_LED_PULSE_WIDTH_118 = 0x01,
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MAX3010X_LED_PULSE_WIDTH_215 = 0x02,
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MAX3010X_LED_PULSE_WIDTH_411 = 0x03,
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} MAX3010X_LED_Pulse_Width_e;
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typedef enum MAX3010X_ADC_Range
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{
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MAX3010X_ADC_RANGE_2048 = 0x00,
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MAX3010X_ADC_RANGE_4096 = 0x01,
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MAX3010X_ADC_RANGE_8192 = 0x02,
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MAX3010X_ADC_RANGE_16384 = 0x03,
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} MAX3010X_ADC_Range_e;
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/**
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* @brief Initializes the MAX3010X sensor. This must be called before any other API functions.
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* Don't forget to initialize the I2C peripheral using the i2c_init function first !
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*
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* @return true on success
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* @return false on failure
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*/
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bool MAX3010X_init(void);
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bool MAX3010X_soft_reset(void);
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bool MAX3010X_set_FIFO_average(MAX3010X_Sample_Average_e sampleAverage);
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bool MAX3010X_enable_FIFO_rollover(bool enabled);
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bool MAX3010X_configure(uint8_t powerLevel, MAX3010X_Sample_Average_e sampleAverage, MAX3010X_LED_Mode_e LEDMode, MAX3010X_Sample_Rate_e sampleRate, MAX3010X_LED_Pulse_Width_e LEDPulseWidth, MAX3010X_ADC_Range_e ADCRange);
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#endif //MAX3010X_H
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@ -15,6 +15,7 @@
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#include "watch_peripherals.h"
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#include "watch_settings.h"
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#include "firmware_version.h"
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#include "MAX3010X.h"
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#include "ble_modem.h"
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#include "ble_service.h"
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@ -678,6 +679,9 @@ void gfx_task(void *param)
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battery_controller_status_2_str(watch_peripherals_get_battery_controller_status()),
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_battery_stats.battery_voltage,
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_battery_stats.battery_percentage);
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APP_LOG_DEBUG("MAX30102 init : %d", MAX3010X_init());
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APP_LOG_DEBUG("MAX30102 configure : %d", MAX3010X_configure(0x1F, MAX3010X_SAMPLE_AVERAGE_4, MAX3010X_LED_MODE_MULTI_LED, MAX3010X_SAMPLES_PER_SECONDS_400, MAX3010X_LED_PULSE_WIDTH_411, MAX3010X_ADC_RANGE_4096));
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}
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