MAX3010X driver continued and to be continued ...

src/W800_SDK_v1.00.10/app/app_drivers/i2c/MAX3010X.c

@@ -1,5 +1,7 @@
 #include "i2c.h"
 #include "MAX3010X.h"
+#include "app_utils.h"
+#include "app_log.h"
 
 /* Device i2c address */
 #define MAX3010X_I2C_ADDR 0x57
@@ -7,17 +9,23 @@
 /* Device registers list */
 /* Status Regs */
 #define MAX3010X_INT_STATUS1_REG 0x00
+
 #define MAX3010X_INT_STATUS2_REG 0x01
+#define MAX3010X_DIE_TEMP_RDY_BIT_POS (0)
+
 #define MAX3010X_INT_EN1_REG 0x02
+
 #define MAX3010X_INT_EN2_REG 0x03
+#define MAX3010X_DIE_TEMP_RDY_EN_INT_BIT_POS (1)
+
 #define MAX3010X_FIFO_WR_PTR_REG 0x04
 #define MAX3010X_FIFO_OVERFLOW_CNT_REG 0x05
 #define MAX3010X_FIFO_RD_PTR_REG 0x06
 #define MAX3010X_FIFO_DATA_REG 0x07
 /* Configuration Regs */
 #define MAX3010X_FIFO_CFG_REG 0x08
-#define MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN (4)
+#define MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN_BIT_POS (4)
-#define MAX3010X_FIFO_CFG_SMP_AVE_POS (5)
+#define MAX3010X_FIFO_CFG_SMP_AVE_BIT_POS (5)
 
 #define MAX3010X_MODE_CFG_REG 0x09
 #define MAX3010X_MODE_CFG_RST_BIT_POS (6)
@@ -56,7 +64,18 @@ bool MAX3010X_soft_reset(void)
     // We set the reset bit and write the data back to the register
     data |= 1 << MAX3010X_MODE_CFG_RST_BIT_POS;
 
-    return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_MODE_CFG_REG, data);
+    i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_MODE_CFG_REG, data);
+
+    uint8_t timeout = 0;
+
+    do
+    {
+        i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_MODE_CFG_REG, &data);
+        if((data & (1 << MAX3010X_MODE_CFG_RST_BIT_POS)) == 0) return true;
+        ms_delay(1);
+    }while(timeout++ < 100);
+
+    return false;
 }
 
 bool MAX3010X_shutdown(void)
@@ -90,20 +109,20 @@ bool MAX3010X_set_FIFO_average(MAX3010X_Sample_Average_e sampleAverage)
     if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, &data)) return false;
 
     data &= 0x1F;
-    data |= sampleAverage << MAX3010X_FIFO_CFG_SMP_AVE_POS;
+    data |= sampleAverage << MAX3010X_FIFO_CFG_SMP_AVE_BIT_POS;
 
     return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, data);
 }
 
-bool MAX3010X_enable_FIFO_rollover(bool enabled)
+bool MAX3010X_enable_FIFO_rollover(bool enable)
 {
     uint8_t data;
 
     if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, &data)) return false;
 
-    if(enabled) data |= 1 << MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN;
+    if(enable) data |= 1 << MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN_BIT_POS;
     else
-        data &= ~(1 << MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN);
+        data &= ~(1 << MAX3010X_FIFO_CFG_FIFO_ROLLOVER_EN_BIT_POS);
 
     return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_CFG_REG, data);
 }
@@ -207,8 +226,11 @@ bool MAX3010X_set_multi_LED_mode_slot(uint8_t slot, MAX3010X_SLOT_LED_e slotLED)
 
 bool MAX3010X_clear_FIFO(void)
 {
+    ms_delay(1);
     if(!i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_WR_PTR_REG, 0x00)) return false;
+    ms_delay(1);
     if(!i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_OVERFLOW_CNT_REG, 0x00)) return false;
+    ms_delay(1);
     if(!i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_FIFO_RD_PTR_REG, 0x00)) return false;
 
     return true;
@@ -216,30 +238,114 @@ bool MAX3010X_clear_FIFO(void)
 
 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)
 {
-    if(!MAX3010X_soft_reset()) return false;
+    if(!MAX3010X_soft_reset())
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
 
-    if(!MAX3010X_set_FIFO_average(sampleAverage)) return false;
+    if(!MAX3010X_set_FIFO_average(sampleAverage))
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
 
-    if(!MAX3010X_enable_FIFO_rollover(true)) return false;
+    if(!MAX3010X_enable_FIFO_rollover(true))
-
+    {
-    if(!MAX3010X_set_LED_mode(LEDMode)) return false;
+        APP_LOG_DEBUG("%d", __LINE__);
-
+        return false;
-    if(!MAX3010X_set_ADC_range(ADCRange)) return false;
+    }
-
+    
-    if(!MAX3010X_set_sample_rate(sampleRate)) return false;
+    if(!MAX3010X_set_LED_mode(LEDMode))
-
+    {
-    if(!MAX3010X_set_pulse_width(LEDPulseWidth)) return false;
+        APP_LOG_DEBUG("%d", __LINE__);
-
+        return false;
-    if(!MAX3010X_set_pulse_amplitude_red(powerLevel)) return false;
+    }
-
+    
-    if(!MAX3010X_set_pulse_amplitude_IR(powerLevel)) return false;
+    if(!MAX3010X_set_ADC_range(ADCRange))
-
+    {
-    if(!MAX3010X_set_multi_LED_mode_slot(1, MAX3010X_SLOT_LED_RED)) return false;
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
+    
+    if(!MAX3010X_set_sample_rate(sampleRate))
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
+    
+    if(!MAX3010X_set_pulse_width(LEDPulseWidth))
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
+    ms_delay(1);
+    if(!MAX3010X_set_pulse_amplitude_red(powerLevel))
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
+    ms_delay(1);
+    if(!MAX3010X_set_pulse_amplitude_IR(powerLevel))
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
+    ms_delay(1);
+    if(!MAX3010X_set_multi_LED_mode_slot(1, MAX3010X_SLOT_LED_RED))
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
 
     if(LEDMode > MAX3010X_LED_MODE_RED_ONLY)
-        if(!MAX3010X_set_multi_LED_mode_slot(2, MAX3010X_SLOT_LED_IR)) return false;
+    {
-
+        ms_delay(1);
-    if(!MAX3010X_clear_FIFO()) return false;
+        if(!MAX3010X_set_multi_LED_mode_slot(2, MAX3010X_SLOT_LED_IR))
+        {
+            APP_LOG_DEBUG("%d", __LINE__);
+            return false;
+        }
+    }
+        
+    if(!MAX3010X_clear_FIFO())
+    {
+        APP_LOG_DEBUG("%d", __LINE__);
+        return false;
+    }
 
     return true;
 }
+
+bool MAX3010X_enable_die_temperature_int(bool enable)
+{
+    uint8_t data;
+
+    if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_INT_EN2_REG, &data)) return false;
+
+    if(enable) data |= 1 << MAX3010X_DIE_TEMP_RDY_EN_INT_BIT_POS;
+    else
+        data &= ~(1 << MAX3010X_DIE_TEMP_RDY_EN_INT_BIT_POS);
+
+    return i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_INT_EN2_REG, data);
+}
+
+float MAX3010X_read_temperature(void)
+{
+    if(!i2c_write_reg(MAX3010X_I2C_ADDR, MAX3010X_DIE_TEMP_CFG_REG, 0x01)) return 0.0;
+
+    uint8_t timeout = 0, data = 0;
+    int8_t temp = 0;
+
+    do
+    {
+        i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_INT_STATUS2_REG, &data);
+        if(data & (1 << MAX3010X_DIE_TEMP_RDY_BIT_POS)) break;
+        ms_delay(1);
+    }while(timeout++ < 100);
+
+    if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_DIE_TEMP_INT_REG, (uint8_t * const)&temp)) return 0.0;
+    if(!i2c_read_reg(MAX3010X_I2C_ADDR, MAX3010X_DIE_TEMP_FRACT_REG, &data)) return 0.0;
+
+    return (float) temp + ((float) data * 0.0625);
+}

src/W800_SDK_v1.00.10/app/app_drivers/i2c/MAX3010X.h

@@ -71,7 +71,7 @@ bool MAX3010X_wakeup(void);
 
 bool MAX3010X_set_FIFO_average(MAX3010X_Sample_Average_e sampleAverage);
 
-bool MAX3010X_enable_FIFO_rollover(bool enabled);
+bool MAX3010X_enable_FIFO_rollover(bool enable);
 
 bool MAX3010X_set_LED_mode(MAX3010X_LED_Mode_e LEDMode);
 
@@ -91,4 +91,8 @@ bool MAX3010X_clear_FIFO(void);
 
 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);
 
+bool MAX3010X_enable_die_temperature_int(bool enable);
+
+float MAX3010X_read_temperature(void);
+
 #endif //MAX3010X_H

src/W800_SDK_v1.00.10/app/gfx/gfx_task.c

@@ -681,7 +681,9 @@ void gfx_task(void *param)
                             _battery_stats.battery_percentage);
 
             APP_LOG_DEBUG("MAX30102 init : %d", MAX3010X_init());
-            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));
+            APP_LOG_DEBUG("MAX30102 configure : %d", MAX3010X_configure(0x00, MAX3010X_SAMPLE_AVERAGE_4, MAX3010X_LED_MODE_MULTI_LED, MAX3010X_SAMPLES_PER_SECONDS_400, MAX3010X_LED_PULSE_WIDTH_411, MAX3010X_ADC_RANGE_4096));
+            APP_LOG_DEBUG("MAX3010X enable temp int %d", MAX3010X_enable_die_temperature_int(true));
+            APP_LOG_DEBUG("MAX3010X temperature : %.2f", MAX3010X_read_temperature());
         }