Sample application, using the X_Nucleo_53L0A1 library, to display range results from the X-NUCLEO-53L0A1 central sensor on the 4-digit LED display.
Dependencies: X_NUCLEO_53L0A1_mbed_sdk
main.cpp@0:de1853b9f5b9, 2017-06-29 (annotated)
- Committer:
- JerrySzczurak
- Date:
- Thu Jun 29 07:52:22 2017 +0000
- Revision:
- 0:de1853b9f5b9
Sample application for OS5, using the X_Nucleo_53L0A1 library, to display range results from the X-NUCLEO-53L0A1 central sensor on the 4-digit LED display.
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
JerrySzczurak | 0:de1853b9f5b9 | 1 | /* |
JerrySzczurak | 0:de1853b9f5b9 | 2 | * This VL53L0X Expansion board test application performs range measurements |
JerrySzczurak | 0:de1853b9f5b9 | 3 | * using the onboard embedded centre sensor, in singleshot, polling mode. |
JerrySzczurak | 0:de1853b9f5b9 | 4 | * Measured ranges are displayed on the on-board 4-digit display. |
JerrySzczurak | 0:de1853b9f5b9 | 5 | * |
JerrySzczurak | 0:de1853b9f5b9 | 6 | * The User Blue button stops the current measurement and entire program, |
JerrySzczurak | 0:de1853b9f5b9 | 7 | * releasing all resources. |
JerrySzczurak | 0:de1853b9f5b9 | 8 | * |
JerrySzczurak | 0:de1853b9f5b9 | 9 | * The Reset button can be used to restart the program. |
JerrySzczurak | 0:de1853b9f5b9 | 10 | */ |
JerrySzczurak | 0:de1853b9f5b9 | 11 | |
JerrySzczurak | 0:de1853b9f5b9 | 12 | #include <string.h> |
JerrySzczurak | 0:de1853b9f5b9 | 13 | #include <stdio.h> |
JerrySzczurak | 0:de1853b9f5b9 | 14 | |
JerrySzczurak | 0:de1853b9f5b9 | 15 | #include "mbed.h" |
JerrySzczurak | 0:de1853b9f5b9 | 16 | #include "x_nucleo_53l0a1.h" |
JerrySzczurak | 0:de1853b9f5b9 | 17 | |
JerrySzczurak | 0:de1853b9f5b9 | 18 | #define VL53L0_I2C_SDA D14 |
JerrySzczurak | 0:de1853b9f5b9 | 19 | #define VL53L0_I2C_SCL D15 |
JerrySzczurak | 0:de1853b9f5b9 | 20 | |
JerrySzczurak | 0:de1853b9f5b9 | 21 | static X_NUCLEO_53L0A1 *board = NULL; |
JerrySzczurak | 0:de1853b9f5b9 | 22 | VL53L0X_RangingMeasurementData_t data_sensor_centre; |
JerrySzczurak | 0:de1853b9f5b9 | 23 | OperatingMode operating_mode; |
JerrySzczurak | 0:de1853b9f5b9 | 24 | |
JerrySzczurak | 0:de1853b9f5b9 | 25 | /* flags that handle interrupt request */ |
JerrySzczurak | 0:de1853b9f5b9 | 26 | bool int_stop_measure = false; |
JerrySzczurak | 0:de1853b9f5b9 | 27 | |
JerrySzczurak | 0:de1853b9f5b9 | 28 | /* ISR callback function of the user blue button to stop program */ |
JerrySzczurak | 0:de1853b9f5b9 | 29 | void StopMeasureIRQ(void) |
JerrySzczurak | 0:de1853b9f5b9 | 30 | { |
JerrySzczurak | 0:de1853b9f5b9 | 31 | int_stop_measure = true; |
JerrySzczurak | 0:de1853b9f5b9 | 32 | } |
JerrySzczurak | 0:de1853b9f5b9 | 33 | |
JerrySzczurak | 0:de1853b9f5b9 | 34 | /* On board 4 digit local display refresh */ |
JerrySzczurak | 0:de1853b9f5b9 | 35 | void DisplayRefresh(VL53L0X_RangingMeasurementData_t sensor_range_data) |
JerrySzczurak | 0:de1853b9f5b9 | 36 | { |
JerrySzczurak | 0:de1853b9f5b9 | 37 | char str[5]; |
JerrySzczurak | 0:de1853b9f5b9 | 38 | |
JerrySzczurak | 0:de1853b9f5b9 | 39 | if (sensor_range_data.RangeStatus == 0) // we have a valid range. |
JerrySzczurak | 0:de1853b9f5b9 | 40 | { |
JerrySzczurak | 0:de1853b9f5b9 | 41 | sprintf(str,"%d", sensor_range_data.RangeMilliMeter); |
JerrySzczurak | 0:de1853b9f5b9 | 42 | } |
JerrySzczurak | 0:de1853b9f5b9 | 43 | else |
JerrySzczurak | 0:de1853b9f5b9 | 44 | { |
JerrySzczurak | 0:de1853b9f5b9 | 45 | sprintf(str,"%s","----"); |
JerrySzczurak | 0:de1853b9f5b9 | 46 | } |
JerrySzczurak | 0:de1853b9f5b9 | 47 | |
JerrySzczurak | 0:de1853b9f5b9 | 48 | board->display->display_string(str); |
JerrySzczurak | 0:de1853b9f5b9 | 49 | } |
JerrySzczurak | 0:de1853b9f5b9 | 50 | |
JerrySzczurak | 0:de1853b9f5b9 | 51 | /*=================================== Main ================================== |
JerrySzczurak | 0:de1853b9f5b9 | 52 | Press the blue user button to stop measurements in progress |
JerrySzczurak | 0:de1853b9f5b9 | 53 | =============================================================================*/ |
JerrySzczurak | 0:de1853b9f5b9 | 54 | int main() |
JerrySzczurak | 0:de1853b9f5b9 | 55 | { |
JerrySzczurak | 0:de1853b9f5b9 | 56 | #if USER_BUTTON == PC_13 // we are cross compiling for Nucleo-f401 |
JerrySzczurak | 0:de1853b9f5b9 | 57 | InterruptIn stop_button(USER_BUTTON); |
JerrySzczurak | 0:de1853b9f5b9 | 58 | stop_button.rise(&StopMeasureIRQ); |
JerrySzczurak | 0:de1853b9f5b9 | 59 | #endif |
JerrySzczurak | 0:de1853b9f5b9 | 60 | |
JerrySzczurak | 0:de1853b9f5b9 | 61 | DevI2C *device_i2c = new DevI2C(VL53L0_I2C_SDA, VL53L0_I2C_SCL); |
JerrySzczurak | 0:de1853b9f5b9 | 62 | int status; |
JerrySzczurak | 0:de1853b9f5b9 | 63 | |
JerrySzczurak | 0:de1853b9f5b9 | 64 | /* creates the 53L0A1 expansion board singleton obj */ |
JerrySzczurak | 0:de1853b9f5b9 | 65 | board=X_NUCLEO_53L0A1::instance(device_i2c, A2, D8, D2); |
JerrySzczurak | 0:de1853b9f5b9 | 66 | |
JerrySzczurak | 0:de1853b9f5b9 | 67 | board->display->display_string("53L0"); |
JerrySzczurak | 0:de1853b9f5b9 | 68 | /* init the 53L0A1 expansion board with default values */ |
JerrySzczurak | 0:de1853b9f5b9 | 69 | status = board->init_board(); |
JerrySzczurak | 0:de1853b9f5b9 | 70 | if (status) printf("Failed to init board!\n\r"); |
JerrySzczurak | 0:de1853b9f5b9 | 71 | operating_mode = range_single_shot_polling; |
JerrySzczurak | 0:de1853b9f5b9 | 72 | /* start the measure on sensor centre */ |
JerrySzczurak | 0:de1853b9f5b9 | 73 | status = board->sensor_centre->start_measurement(operating_mode, NULL); |
JerrySzczurak | 0:de1853b9f5b9 | 74 | if (!status) |
JerrySzczurak | 0:de1853b9f5b9 | 75 | { |
JerrySzczurak | 0:de1853b9f5b9 | 76 | while (1) // infinite loop. can be broken by pressing Blue (User) button. |
JerrySzczurak | 0:de1853b9f5b9 | 77 | { |
JerrySzczurak | 0:de1853b9f5b9 | 78 | status = board->sensor_centre->get_measurement(operating_mode, &data_sensor_centre); |
JerrySzczurak | 0:de1853b9f5b9 | 79 | DisplayRefresh(data_sensor_centre); |
JerrySzczurak | 0:de1853b9f5b9 | 80 | if (int_stop_measure) // Blue Button isr was triggered |
JerrySzczurak | 0:de1853b9f5b9 | 81 | { |
JerrySzczurak | 0:de1853b9f5b9 | 82 | status = board->sensor_centre->stop_measurement(operating_mode); // stop the measure and exit |
JerrySzczurak | 0:de1853b9f5b9 | 83 | int_stop_measure = false; |
JerrySzczurak | 0:de1853b9f5b9 | 84 | printf("\nProgram stopped!\n\n\r"); |
JerrySzczurak | 0:de1853b9f5b9 | 85 | break; |
JerrySzczurak | 0:de1853b9f5b9 | 86 | } |
JerrySzczurak | 0:de1853b9f5b9 | 87 | } |
JerrySzczurak | 0:de1853b9f5b9 | 88 | } |
JerrySzczurak | 0:de1853b9f5b9 | 89 | board->display->display_string("BYE"); |
JerrySzczurak | 0:de1853b9f5b9 | 90 | delete board; |
JerrySzczurak | 0:de1853b9f5b9 | 91 | } |
JerrySzczurak | 0:de1853b9f5b9 | 92 | |
JerrySzczurak | 0:de1853b9f5b9 | 93 |