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Example showing how to integrate EASE with proximity Sensor and Base board
Dependencies: mbed EsmacatShield X_NUCLEO_6180XA1
Information about Esmacat and EASE is provided in the link below. https://os.mbed.com/users/pratima_hb/code/EASE_Example/wiki/Homepage
Information about the hardware needs and setup is provided in the link below. https://os.mbed.com/users/pratima_hb/code/EASE_Example/wiki/Hardware-Setup
Information about the structure of the system and it's software is provided in the link below. https://os.mbed.com/users/pratima_hb/code/EASE_Example/wiki/Software
Diff: main.cpp
- Revision:
- 3:d3719ebf51c4
- Parent:
- 0:b706d6b7c1d3
- Child:
- 4:84dfc00ae7b3
--- a/main.cpp Wed Nov 30 08:34:36 2016 +0000 +++ b/main.cpp Fri Mar 03 15:11:39 2017 +0000 @@ -14,11 +14,12 @@ Reset button is used to restart the program. */ /* Polling operating modes don`t require callback function that handles IRQ - Callback IRQ functions are used only for measure that require interrupt */ + Callback IRQ functions are used only for measure that require interrupt. */ /* GetMeasurement is asynchronous! It returns NOT_READY if the measurement value is not ready to be read from the corresponding register. So you need to wait - for the result to be ready */ + for the result to be ready. */ + #define VL6180X_I2C_SDA D14 #define VL6180X_I2C_SCL D15 @@ -26,168 +27,176 @@ #define RANGE 0 #define ALS 1 -static X_NUCLEO_6180XA1 *board=NULL; +#define DELAY 2000 // 2Sec + + +/* Expansion board */ +static X_NUCLEO_6180XA1 *board = NULL; + +/* Measure data */ MeasureData_t data_sensor_top; + +/* Operating mode */ OperatingMode operating_mode, prev_operating_mode; +enum OpModeIntPoll_t{ PollMeasure, IntMeasure }; -/* flags that handle interrupt request */ -bool int_sensor_top=false, int_stop_measure=false; +/* Flags that handle interrupt request */ +bool int_sensor_top = false, int_stop_measure = false; /* ISR callback function of the sensor_top */ void SensorTopIRQ(void) { - int_sensor_top=true; - board->sensor_top->DisableInterruptMeasureDetectionIRQ(); -} + int_sensor_top = true; + board->sensor_top->DisableInterruptMeasureDetectionIRQ(); +} /* ISR callback function of the user blue button to stop program */ void StopMeasureIRQ(void) { - int_stop_measure=true; + int_stop_measure = true; } /* On board 4 digit local display refresh */ void DisplayRefresh(OperatingMode op_mode) -{ - char str[5]; - - if(op_mode==range_continuous_interrupt || op_mode==range_continuous_polling) - { - if(data_sensor_top.range_mm!=0xFFFFFFFF) - { - sprintf(str,"%d",data_sensor_top.range_mm); - } - else - { - sprintf(str,"%s","----"); - } - } - else if(op_mode==als_continuous_interrupt || op_mode==als_continuous_polling) - { - if(data_sensor_top.lux!=0xFFFFFFFF) - { - sprintf(str,"%d",data_sensor_top.lux); - } - else - { - sprintf(str,"%s","----"); - } - } - board->display->DisplayString(str, strlen(str)); +{ + char str[5]; + + if (op_mode==range_continuous_interrupt || op_mode==range_continuous_polling) { + if (data_sensor_top.range_mm!=0xFFFFFFFF) { + sprintf(str,"%d",data_sensor_top.range_mm); + } else { + sprintf(str,"%s","----"); + } + } else if (op_mode==als_continuous_interrupt || op_mode==als_continuous_polling) { + if (data_sensor_top.lux!=0xFFFFFFFF) { + sprintf(str,"%d",data_sensor_top.lux); + } else { + sprintf(str,"%s","----"); + } + } + board->display->DisplayString(str, strlen(str)); } /* On board red slider position check */ -enum OpModeIntPoll_t{ PollMeasure, IntMeasure }; - -OperatingMode CheckSlider(enum OpModeIntPoll_t OpMode) { - -OperatingMode ret; -int measure= board->RdSwitch(); +OperatingMode CheckSlider(enum OpModeIntPoll_t OpMode) +{ + OperatingMode ret; + int measure = board->RdSwitch(); - switch (OpMode) { - case PollMeasure: - if(measure==RANGE) - ret = range_continuous_polling; - else if(measure==ALS) - ret = als_continuous_polling; - break; - - case IntMeasure: - if(measure==RANGE) - ret = range_continuous_interrupt; - else if(measure==ALS) - ret = als_continuous_interrupt; - break; - } - return ret; + switch (OpMode) { + case PollMeasure: + if (measure==RANGE) { + ret = range_continuous_polling; + } else if (measure==ALS) { + ret = als_continuous_polling; + } + break; + case IntMeasure: + if (measure==RANGE) { + ret = range_continuous_interrupt; + } else if (measure==ALS) { + ret = als_continuous_interrupt; + } + break; + } + return ret; } /* Print on USB Serial the started OperatingMode */ void PrintStartMessage(OperatingMode op_mode) { - if(op_mode==range_continuous_interrupt) - printf("\nStarted range continuous interrupt measure\n\r"); - else if(prev_operating_mode==als_continuous_interrupt) - printf("\nStarted als continuous interrupt measure\n\r"); + if (op_mode==range_continuous_interrupt) { + printf("\nStarted range continuous interrupt measure\n\r"); + } else if (prev_operating_mode==als_continuous_interrupt) { + printf("\nStarted als continuous interrupt measure\n\r"); + } } /* Print on USB Serial the stopped OperatingMode */ void PrintStopMessage(OperatingMode op_mode) { - if(op_mode==range_continuous_interrupt) - printf("Stopped range continuous interrupt measure\n\r"); - else if(prev_operating_mode==als_continuous_interrupt) - printf("Stopped als continuous interrupt measure\n\r"); + if (op_mode==range_continuous_interrupt) { + printf("Stopped range continuous interrupt measure\n\r"); + } else if (prev_operating_mode==als_continuous_interrupt) { + printf("Stopped als continuous interrupt measure\n\r"); + } } /* Print on board 4 Digit display the indicated message <= 4 char */ -#define DELAY 2000 // 2Sec void DisplayMsg(const char * msg) { - Timer timer; - char str[5]; - - timer.start(); - for(int i=0; i<DELAY; i=timer.read_ms()) - { - sprintf(str,"%s",msg); - board->display->DisplayString(str, strlen(str)); - } - timer.stop(); + Timer timer; + char str[5]; + + timer.start(); + for (int i=0; i<DELAY; i=timer.read_ms()) + { + sprintf(str,"%s",msg); + board->display->DisplayString(str, strlen(str)); + } + timer.stop(); } - +/* Handle continuous ALS or Range measurement. */ void IntContinousALSorRangeMeasure (DevI2C *device_i2c) { - int status; - /* creates the 6180XA1 expansion board singleton obj */ - board=X_NUCLEO_6180XA1::Instance(device_i2c, A3, A2, D13, D2); - DisplayMsg ("INT"); - /* init the 6180XA1 expansion board with default values */ - status=board->InitBoard(); - if(status) - printf("Failed to init board!\n\r"); - /* check the red slider position for ALS/Range measure */ - operating_mode=CheckSlider(IntMeasure); - /* start the measure on sensor top */ - status=board->sensor_top->StartMeasurement(operating_mode, SensorTopIRQ, NULL, NULL); - if(!status) - { - prev_operating_mode=operating_mode; - PrintStartMessage(operating_mode); - while(1) - { - if(int_sensor_top) /* 6180 isr was triggered */ - { - int_sensor_top=false; - status=board->sensor_top->HandleIRQ(operating_mode, &data_sensor_top); /* handle the isr and read the meaure */ - DisplayRefresh(operating_mode); - } - if(int_stop_measure) /* Blue Button isr was triggered */ - { - status=board->sensor_top->StopMeasurement(prev_operating_mode); /* stop the measure and exit */ - if(!status) - PrintStopMessage(prev_operating_mode); - int_stop_measure = false; - printf("\nProgram stopped!\n\n\r"); - break; - } - operating_mode=CheckSlider(IntMeasure); /* check if red slider was moved */ - if(operating_mode!=prev_operating_mode) - { - DisplayRefresh(prev_operating_mode); - status=board->sensor_top->StopMeasurement(prev_operating_mode); /* stop the running measure */ - if(!status) - PrintStopMessage(prev_operating_mode); - prev_operating_mode=operating_mode; - status=board->sensor_top->StartMeasurement(operating_mode, SensorTopIRQ, NULL, NULL); /* start the new measure */ - if(!status) - PrintStartMessage(operating_mode); - } else - DisplayRefresh(operating_mode); - } - } - DisplayMsg("BYE"); -} + int status; + + /* Creates the 6180XA1 expansion board singleton obj */ +#ifdef TARGET_STM32F429 + board = X_NUCLEO_6180XA1::Instance(device_i2c, A5, A2, D13, D2); +#else + board = X_NUCLEO_6180XA1::Instance(device_i2c, A3, A2, D13, D2); +#endif + DisplayMsg("INT"); + + /* Init the 6180XA1 expansion board with default values */ + status = board->InitBoard(); + if (status) { + printf("Failed to init board!\n\r"); + } + + /* Check the red slider position for ALS/Range measure */ + operating_mode=CheckSlider(IntMeasure); + + /* Start the measure on sensor top */ + status = board->sensor_top->StartMeasurement(operating_mode, SensorTopIRQ, NULL, NULL); + if (!status) { + prev_operating_mode=operating_mode; + PrintStartMessage(operating_mode); + while (true) { + if (int_sensor_top) { /* 6180 isr was triggered */ + int_sensor_top = false; + status = board->sensor_top->HandleIRQ(operating_mode, &data_sensor_top); /* handle the isr and read the meaure */ + DisplayRefresh(operating_mode); + } + if (int_stop_measure) { /* Blue Button isr was triggered */ + status = board->sensor_top->StopMeasurement(prev_operating_mode); /* stop the measure and exit */ + if (!status) { + PrintStopMessage(prev_operating_mode); + } + int_stop_measure = false; + printf("\nProgram stopped!\n\n\r"); + break; + } + operating_mode = CheckSlider(IntMeasure); /* check if red slider was moved */ + if (operating_mode!=prev_operating_mode) { + DisplayRefresh(prev_operating_mode); + status = board->sensor_top->StopMeasurement(prev_operating_mode); /* stop the running measure */ + if (!status) { + PrintStopMessage(prev_operating_mode); + } + prev_operating_mode = operating_mode; + status = board->sensor_top->StartMeasurement(operating_mode, SensorTopIRQ, NULL, NULL); /* start the new measure */ + if (!status) { + PrintStartMessage(operating_mode); + } + } else { + DisplayRefresh(operating_mode); + } + } + } + DisplayMsg("BYE"); +} /*=================================== Main ================================== Move the VL6180X Expansion board red slider to switch between ALS or Range @@ -196,12 +205,13 @@ =============================================================================*/ int main() { -#if USER_BUTTON==PC_13 // we are cross compiling for Nucleo-f401 - InterruptIn stop_button (USER_BUTTON); - stop_button.rise (&StopMeasureIRQ); +#if USER_BUTTON==PC_13 // Cross compiling for Nucleo-F401 + InterruptIn stop_button (USER_BUTTON); + stop_button.rise (&StopMeasureIRQ); #endif - DevI2C *device_i2c =new DevI2C(VL6180X_I2C_SDA, VL6180X_I2C_SCL); - - IntContinousALSorRangeMeasure (device_i2c); // start continous measures Interrupt based + DevI2C *device_i2c = new DevI2C(VL6180X_I2C_SDA, VL6180X_I2C_SCL); + + /* Start continous measures Interrupt based */ + IntContinousALSorRangeMeasure (device_i2c); }