Code used in the SICE E210/P442 lab practical
Dependencies: ADXL362 TSL2561 mbed
main.cpp
- Committer:
- bhimebau
- Date:
- 2018-04-25
- Revision:
- 1:f5c993193adc
- Parent:
- 0:69b431195dc4
File content as of revision 1:f5c993193adc:
// Code used for the SP18 E210/P442 Lab Practical #include "mbed.h" #include "ADXL362.h" #include "TSL2561.h" AnalogOut my_output(PA_4); // Interface pulled from ADXL362.cpp // ADXL362::ADXL362(PinName CS, PinName MOSI, PinName MISO, PinName SCK) : ADXL362 adxl362(PA_0,PA_7,PA_6,PA_1); TSL2561 lightsensor(PB_7,PB_6); #define PI (3.141592653589793238462) #define AMPLITUDE (1.0) // x * 3.3V #define PHASE (PI * 1) // 2*pi is one period #define RANGE (0x7FFF) #define OFFSET (0x7FFF) #define SPI_CYCLES 100 // Configuration for sinewave output #define BUFFER_SIZE (360) uint16_t buffer[BUFFER_SIZE]; void calculate_sinewave(void); int main() { printf("Sinewave example\n"); calculate_sinewave(); adxl362.reset(); wait_ms(1000); // we need to wait at least 500ms after ADXL362 reset adxl362.set_mode(ADXL362::MEASUREMENT); wait_ms(1000); // we need to wait at least 500ms after ADXL362 reset volatile int8_t x,y,z; volatile uint16_t whoami; volatile float light; int spi_trigger_target = 0; while(1) { for (int i = 0; i < BUFFER_SIZE; i++) { my_output.write_u16(buffer[i]); wait_us(10); } x=adxl362.scanx_u8(); y=adxl362.scany_u8(); z=adxl362.scanz_u8(); if (spi_trigger_target++ == SPI_CYCLES){ spi_trigger_target = 0; whoami = adxl362.read_reg(ADXL362::DEVID_AD); } light = lightsensor.lux(); // printf("Accelerometer x = %d y = %d z = %d\r\n",x,y,z); // printf("Light sensor %f\n\r",lightsensor.lux()); // wait_ms(100); } } // Create the sinewave buffer void calculate_sinewave(void){ for (int i = 0; i < BUFFER_SIZE; i++) { double rads = (PI * i)/180.0; // Convert degree in radian buffer[i] = (uint16_t)(AMPLITUDE * (RANGE * (cos(rads + PHASE))) + OFFSET); } }