Geo beacon for VF.
Dependencies: MMA8452 aconno_bsp adc52832_common
Diff: main.cpp
- Revision:
- 6:d14e3df498f4
- Parent:
- 5:0f42dcae4cdf
- Child:
- 8:570eb66d50b5
--- a/main.cpp Wed Jul 19 11:22:03 2017 +0000 +++ b/main.cpp Wed Jul 19 12:07:23 2017 +0000 @@ -2,7 +2,7 @@ * * Made by Jurica Resetar @ aconno * aconno.de - * All rights reserved__ + * All rights reserved * */ @@ -10,6 +10,7 @@ #include "ble/BLE.h" #include "GapAdvertisingData.h" #include "acd52832_bsp.h" +#include "mma8452.h" #define SLEEP_TIME (0.85) // Sleep time in seconds WAS 0.85 #define AWAKE_TIME (0.15) // Was 0.15 @@ -21,11 +22,19 @@ #define MSD_ID (0xFF) #define BUZZ_TIME (1.0) // Buzz time in s +/* Static constants for the accelerometer */ +#define WHO_AM_I 0x0D // Type 'read' : This should return the device id of 0x2A +#define OUT_Z_MSB 0x05 // Type 'read' : z axis - 8 most significatn bit of a 12 bit sample +#define I2C_DATA (p29) +#define I2C_CLK (p2) +#define INT2_PIN (p4) -bool SLEEP = true; + +//uint8_t SLEEP = true; int8_t txPower = 4; uint8_t MSD[MSD_SIZE] = {0x59, 0x00, 0xE1, 0x61, 0x35, 0xBA, 0xC0, 0xEC, 0x47, 0x2A, 0x98, 0x00, 0xAF, 0x18, 0x43, 0xFF, 0x05, 0x00}; -uint8_t my_mac_address[6] = {}; +uint8_t my_mac_address[6] = {}; +uint8_t buzzer_flag = 0; void turnBuzzOff(void); void goToSleep(); @@ -33,6 +42,10 @@ Ticker WakeSleepT; Ticker turnBuzzOffT; PwmOut buzzer(BUZZER); +PwmOut gyro_power(p7); +PwmOut i2c_power(p5); // I2C Pull-ups power pin +InterruptIn gyro_pulse(INT2_PIN); +Acc_MMA8452 acc(I2C_DATA, I2C_CLK, MMA8452_ADDRESS); BLE &ble = BLE::Instance(); /* Restart Advertising on disconnection*/ @@ -159,6 +172,21 @@ SLEEP = true; } +void buzz(void){ + buzzer.write(0.5f); + wait_ms(100); + buzzer.write(0.0f); + buzzer_flag = 0; +} + +void pulse_handler(void){ + #if DEBUG + int_led = !int_led; + #endif + i2c_power.write(1.0F); + buzzer_flag = 1; +} + int main(void){ WakeSleepT.attach(goToSleep, AWAKE_TIME); ble.init(bleInitComplete); @@ -170,6 +198,28 @@ buzzer.period(0.001F); buzzer.write(0.0F); + gyro_power.period(0.01F); + gyro_power.write(1.0F); + i2c_power.period(0.01F); + i2c_power.write(1.0F); + wait_ms(1000); + + /* Pulse interrupt detection */ + acc.set_register((char)CTRL_REG_4, (char) 0x04); // INT_EN_FF_MT Freefall/motion interrupt enabled + wait_ms(1); + acc.set_register((char)FF_MT_CFG, (char) 0b01011000); //ELE, Motion Flag ON, YEFE, X Event Flag Enable + wait_ms(1); + acc.set_register((char)CTRL_REG_5, (char) 0x00); // INT_EN_FF_MT interrupt is router t0 INT2 + wait_ms(1); + acc.set_register((char)FF_COUNT, (char) 0x08); // Set Counter degister value (10ms) + wait_ms(1); + acc.set_register((char)FF_MT_THS, (char) 0x90); // Set TH value for motion detection on 1 G (1/0.063) and DBCNTM = 1 (Increments or clears counter) + wait_ms(1); + + /* Setup for the interrupt handler */ + gyro_pulse.rise(&pulse_handler); + acc.set_register((char)CTRL_REG_1, (char) 0x01); // Flow data rate and Active mode + wait(1); __enable_irq(); @@ -181,6 +231,7 @@ while(true){ if(SLEEP) __WFI(); + else if(buzzer_flag) buzz(); else ble.waitForEvent(); } }