Diff: main.cpp

Revision:

1:bd7fd35251ab

Parent:

0:de3e4a57ebe0

Child:

2:b221ba23b37f

--- a/main.cpp	Tue Dec 08 11:58:59 2015 +0000
+++ b/main.cpp	Mon Jan 25 13:27:15 2016 +0000
@@ -1,3 +1,13 @@
+/** 
+*   LIS3DH & BLE broadcast example for VTT Node V3 & mbed
+*   broadcasts accelerometer xyz values. 
+*   Also generates LIS3DH interrupt on position change and lights up leds based on that interrupt.
+*   As a bonus, read temperature values from SOC and transmit those as well.
+*   Juho Eskeli, VTT
+*/
+
+
+#include "NodeV3PinNames.h" //This should come before mbed.h to override pin configuration
 #include "mbed.h"
 #include "ble/BLE.h"
 
@@ -9,45 +19,37 @@
 
 #include "AT45.h"
 #include "LIS3DH.h"
+#include "TMP_nrf51.h"
 
 //interrupt /gpio configuration
 #include "nrf_gpio.h"
 #include "nrf_gpiote.h"
 #include "nrf_soc.h"
 
-//SPI stuff
-#define MOSI p8
-#define MISO p9
-#define SCLK p7
-#define CS p2
-
-//#include "app_error.h"
-//void app_error_handler(uint32_t error_code, uint32_t line_num, const uint8_t * p_file_name) { }
-
 //const static char     DEVICE_NAME[]        = "BAc0N";
 //static const uint16_t uuid16_list[]        = {GattService::UUID_STREAMING_SERVICE};
 
 BLE        ble;
 
+#define MOSI SPI_PSELMOSI0
+#define MISO SPI_PSELMISO0
+#define CS SPI_PSELSS0
+#define SCLK SPI_PSELSCK0
 static LIS3DH lis(MOSI, MISO, CS, SCLK);    
+static TMP_nrf51  tempSensor;                         
                                                                                             
-#define LED_0 p20
-#define LED_1 p23
-//#define LED_2 p24
-DigitalOut myled1(LED_0);
-DigitalOut myled2(LED_1);
-//DigitalOut myled3(LED_2);
+DigitalOut myled1(LED1);
+DigitalOut myled2(LED2);
 
-//#define UART_TX p17
-//#define UART_RX p18
-//Serial pc(UART_TX, UART_RX); // tx, rx
-
+DigitalOut LIS_CS_0(CS); //LIS3DH CS
+DigitalOut AT_CS(p5); //Dataflash CS
+DigitalOut AT_RS(p6); //Dataflash reset
 
 /** @brief Function for initializing the GPIO Tasks/Events peripheral.
 */
 static void gpiote_init(void)
 {
-        // Configure accelerometer interrupt pin
+    // Configure accelerometer interrupt pin
     nrf_gpio_cfg_input(3, NRF_GPIO_PIN_PULLDOWN);
         //nrf_gpio_cfg_input(4, NRF_GPIO_PIN_PULLDOWN);
     
@@ -57,7 +59,7 @@
 
     // Enable interrupt for NRF_GPIOTE->EVENTS_IN[0] event
     NRF_GPIOTE->INTENSET  = GPIOTE_INTENSET_IN0_Msk;
-        //NRF_GPIOTE->INTENSET |= GPIOTE_INTENSET_IN1_Msk;
+    //NRF_GPIOTE->INTENSET |= GPIOTE_INTENSET_IN1_Msk;
 }
 
 extern "C"
@@ -104,9 +106,8 @@
 
 __packed struct ApplicationData_t {
     uint16_t                    applicationSpecificId; /* An ID used to identify temperature value in the manufacture specific AD data field */
-    //TMP_nrf51::tmpSensorValue_t tmpSensorValue;        /* User defined application data */
-    int8_t                      accel_temp;
-    //uint16_t lis;
+    TMP_nrf51::tmpSensorValue_t tmpSensorValue;      /* User defined application data */
+    int8_t                      accel_temp;    
     AxesRaw_t                   accel_raw;        
 };
 
@@ -114,15 +115,9 @@
 {
     static const uint16_t APP_SPECIFIC_ID_TEST = 0xFEFE;
     appData.applicationSpecificId = APP_SPECIFIC_ID_TEST;
-    //appData.tmpSensorValue        = tempSensor.get();
+    appData.tmpSensorValue        = tempSensor.get();
     lis.LIS3DH_GetAccAxesRaw(&appData.accel_raw);
-    lis.LIS3DH_GetTempRaw(&appData.accel_temp);
-    //uint8_t asdf; 
-    //lis.LIS3DH_GetWHO_AM_I(&asdf);
-    //uint8_t val = 100;
-    //appData.lis = (asdf << 8) | val;
-    
-    //appData.lis = lis.whoami();
+    lis.LIS3DH_GetTempRaw(&appData.accel_temp);    
 }
  
 void disconnectionCallback(const Gap::DisconnectionCallbackParams_t *params)
@@ -137,28 +132,23 @@
     ble.gap().updateAdvertisingPayload(GapAdvertisingData::MANUFACTURER_SPECIFIC_DATA, (uint8_t *)&appData, sizeof(ApplicationData_t));             
 }
 
-int main() 
+void setup_CS_LIS3DH()
 {
-    
-    //LEDS off
-    myled1 = 0;
-    myled2 = 0;
-    //myled3 = 0;
-    
-    //Without this setup CS lines of AT45 & LIS3DH are in conflict, causing huge current consumption
-    //i.e. both are connected to same SPI interface at the same time
-    #if defined(TARGET_NRF51822_NODE_V3_OTA) || defined(TARGET_NRF51822_NODE_V3) || defined(TARGET_NRF51822_NODE_V3_BOOT)   
-    DigitalOut LIS_CS_0(CS);
+    //Without this setup CS lines of AT45 & LIS3DH are in conflict, causing huge current consumption    
     LIS_CS_0 = 1; //not selected
-    
-    DigitalOut AT_CS(p5);
-    DigitalOut AT_RS(p6);
-
     AT_CS = 1; //not selected
     AT_RS = 0; //asserted == reset state
     wait_ms(100);
     AT_RS = 1;
-    #endif
+}
+
+int main() 
+{    
+    //LEDS off
+    myled1 = 0;
+    myled2 = 0;
+    
+    setup_CS_LIS3DH();
     
     //Initialize SPI interface
     SPI spi(MOSI, MISO, SCLK); // mosi, miso, sclk
@@ -172,49 +162,19 @@
     gpiote_init();  
     
     //Disconnect input buffers to save power
-    //disabled for testing
-    //disconnect_input_buffers();
+    disconnect_input_buffers();
     
     //Initialize LIS3DH driver
     lis.InitLIS3DH(LIS3DH_NORMAL, LIS3DH_ODR_100Hz, LIS3DH_FULLSCALE_2);    //Init Acc-sensor
-    //lis.LIS3DH_SetTemperature(MEMS_ENABLE);
-    //lis.LIS3DH_SetADCAux(MEMS_ENABLE);
-    //lis.LIS3DH_SetBDU(MEMS_ENABLE);
     //enable threshold to generate interrupt
-    lis.SetLIS3DHActivityDetection(3, LIS3DH_INT_MODE_6D_POSITION, 1);
-    //disable...
-    //lis.SetLIS3DHActivityDetection(20, LIS3DH_INT_MODE_OR, 0);
+    lis.SetLIS3DHActivityDetection(3, LIS3DH_INT_MODE_6D_POSITION, 1);  
     
     // Enable GPIOTE interrupt in Nested Vector Interrupt Controller.
     NVIC_ClearPendingIRQ(GPIOTE_IRQn);
     NRF_GPIOTE->INTENSET = GPIOTE_INTENSET_PORT_Set << GPIOTE_INTENSET_PORT_Pos;
     NVIC_SetPriority(GPIOTE_IRQn, 1);
     NVIC_EnableIRQ(GPIOTE_IRQn);
-    //sd_nvic_EnableIRQ(GPIOTE_IRQn);
-    
-    //osDelay(osWaitForever); 
-    //Was Getting 13.2uA with these settings (flash deep power down).
-    //With ultra deep power down 7.8uA... rose back to ~11uA??? Seems to fluctuate. Now getting 9.4... IO issue?
-    //Now getting 5.4uA
-    
-    //device current
-    //3.8uA idle (SYSTEM-ON base current with 32 kB RAM enabled.). Executing code from flash memory 4.1uA. From ram 2.4uA
-    //32.768 kHz crystal oscillator 0.4uA / 32.768 kHz RC oscillator (32k RCOSC) 1.1uA (kumpi on?)
-    //RTC Timer (LFCLK source) 0.1uA
-    //==3.8 + (0.4) + 0.1uA + 5*0.1 (digitalout active) = 4.8uA
-    
-    //(watchdog) 0.1uA
-    //GPIO as input = 22uA (Run current with 1 or more GPIOTE active channels in Input mode.)
-    //as output 0.1A (Run current with 1 or more GPIOTE active channels in Output mode)
-    
-    //Peripherals current
-    //BMP 180 0.1uA standby, 5uA standard mode, 7uA high resolution mode
-    //LIS3DH 0.5uA standby mode, varies a lot in measurement mode
-    //Si7021  0.06uA standby mode, 150uA active
-    //AT45 Ultra deep power down 0,4uA, deep power down 5uA. Standby 25uA. 11mA active
-    //== 0.1uA + 0.5uA + 0.06uA + 0.4uA = 1.06uA
-    
-    //total should be ~5.86 (or 5.46 depending on whether oscillator is included in system idle current)
+    //sd_nvic_EnableIRQ(GPIOTE_IRQn);    
     
     //Initialize BLE stuff
     ble.init();