v1.19 Release
Dependencies: nRF51822
Diff: Source/main.cpp
- Revision:
- 23:7ca590427f0e
- Child:
- 24:761c30334cf4
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/Source/main.cpp Tue Mar 19 19:25:39 2019 +0000
@@ -0,0 +1,377 @@
+//**********************************************************************
+//
+// SmartCap2 Main
+//
+// SPG 2/22/2019
+//
+// Copyright (c) 2019 Polygenesis
+//
+//**********************************************************************
+/// @file main.cpp
+
+#include <events/mbed_events.h>
+#include <mbed.h>
+#include "main.h"
+#include "hw.h"
+#include "ble/BLE.h"
+#include "ble/Gap.h"
+#include "BLE_Stuff.h"
+#include "ble/services/UARTService.h"
+#include "infoService.h"
+#include "log.h"
+#include "nrf_soc.h"
+#include "mem.h"
+
+void process_state(void);
+
+EventQueue eventQueue(/* event count */ 16 * EVENTS_EVENT_SIZE);
+
+#if TEST_ON_NRF51_DK==0
+ // real board
+ //int reg_mode = 1;
+ InterruptIn is_package_open(LIGHT_SENSE, PullNone); // will be pulled hi when package_is_open (only if package_open_sense_enable = 1)
+ DigitalOut package_open_sense_enable(LIGHT_SENSE_ENABLE, 0);
+
+ DigitalOut cap_sense_led(CAP_SENSE_LED, 0);
+ DigitalOut vdd_enable(VDD_ENABLE, 0);
+
+ DigitalOut led(LED, 0); // LED for debugging purposes
+#else
+ // simulate on nRF51-DK
+ DigitalIn capon(BUTTON1, PullUp);
+ //DigitalIn reg_mode(BUTTON3, PullUp);
+ InterruptIn is_package_open(BUTTON2, PullUp); // will be pulled hi when package_is_open (only if package_open_sense_enable = 1)
+ DigitalOut package_open_sense_enable(LED3, 0);
+
+ DigitalOut cap_sense_led(LED2, 0);
+ DigitalOut vdd_enable(LED4, 0);
+
+ DigitalOut led(LED1, 0); // LED for debugging purposes
+#endif
+
+LowPowerTicker periodic_ticker; // this handle the RTC
+
+
+//int dark_cnt = 0; // seconds in the dark
+bool is_cap_off = false; // 0=cap on, 1=cap off
+uint32_t cap_off_time;
+
+typedef enum {
+ INIT,
+ POST,
+ TEST_MODE,
+ SHIP_MODE_WAIT_DARK,
+ SHIP_MODE_WAIT_LIGHT,
+ SHIP_MODE_WAIT_CAP_OFF,
+ IN_USE_SETUP,
+ WAIT_CAP_OFF,
+ WAIT_CAP_ON,
+ OTHER
+} state_t;
+
+state_t state = INIT;
+
+/// Light detected interrupt
+void light_interrupt(void)
+{
+ eventQueue.call(process_state);
+}
+
+/// Test to see if Cap is off or on
+void test_cap(void)
+{
+#if TEST_ON_NRF51_DK == 0
+ uint16_t off_reading;
+ uint16_t on_reading;
+
+ vdd_enable = 1; // enable analog power
+ wait(0.00075);
+ off_reading = adc_read(ADC_CHAN_CAP_SENSE,2);
+ cap_sense_led = 1; // enable led
+ wait(0.00075);
+ on_reading = adc_read(ADC_CHAN_CAP_SENSE,2);
+ // turn everything off
+ cap_sense_led = 0;
+ vdd_enable = 0;
+
+ if(on_reading > off_reading+CAP_THRESHOLD)
+#else
+ if(capon)
+#endif
+ {
+ is_cap_off = 0;
+#if ENABLE_LED
+ led = 0;
+#endif
+ }
+ else
+ {
+ is_cap_off = 1;
+#if ENABLE_LED
+ led = 1;
+#endif
+ }
+
+ eventQueue.call(process_state);
+}
+
+/// this interrupt is run every PERIODIC_TICK_SEC seconds
+void periodic_tick()
+{
+ update_rtc(PERIODIC_TICK_SEC); // keep rtc updated
+
+ eventQueue.call(test_cap); // starts as non-interrupt task so we can use wait();
+}
+
+/// call here to flash the LED n times.
+// n=0 to flash forever
+void flash_led(int n, float sec)
+{
+ if(n==0)
+ { // flash forever
+ while(1)
+ {
+ led = 1;
+ wait(sec);
+ led = 0;
+ wait(sec);
+ }
+ }
+ else
+ { // flash n times
+ while(n--)
+ {
+ led = 1;
+ wait(sec);
+ led = 0;
+ wait(sec);
+ }
+ }
+}
+
+
+state_t last_state = OTHER;
+
+/// Main state machine
+/// Called whenever a sensor changes
+void process_state(void)
+{
+#if UART_DEBUGGING==1
+ if(last_state != state)
+ {
+ BLE_UART_xmit(state);
+ BLE_UART_xmit("\n");
+
+ last_state = state;
+ }
+#endif
+
+ switch(state)
+ {
+ case INIT:
+ log_add(EVENT_POWER, 0, 0, 0); // log event
+#if SKIP_SHIP_MODE
+ state = IN_USE_SETUP;
+#else
+ //package_open_sense_enable = 1; // turn on light sensor
+ state = POST;
+#endif
+ break;
+
+ case POST:
+ // check CRC ?
+
+ // Check Misc.
+
+ if(0) flash_led(0,0.1); // flash forever to indicate error
+
+
+ if(NV_TESTING_REQUIRED)
+ {
+ flash_led(1, 1.0);
+ state = TEST_MODE;
+ }
+ else
+ {
+ state = IN_USE_SETUP;
+ }
+ break;
+
+ case TEST_MODE:
+
+ break;
+
+ case SHIP_MODE_WAIT_DARK: // Wait for light sensor to see darkness for at least x minutes
+ //if(dark_cnt>= MIN_DARK_TIME_MIN*60)
+ { // its been dark for a while,go into SHIP MODE
+ // set up and enable the Light Sense Interrupt
+ is_package_open.rise(&light_interrupt);
+ is_package_open.enable_irq();
+
+ // turn off dark timer
+ //dark_ticker.detach();
+ state = SHIP_MODE;
+ led = 0;
+ }
+ break;
+
+ case SHIP_MODE_WAIT_LIGHT:
+ if(is_package_open)
+ {
+ state = WAKE_FROM_SHIP_MODE;
+ periodic_ticker.detach();
+ periodic_ticker.attach(&periodic_tick ,PERIODIC_TICK_SEC);
+ }
+ break;
+
+ case SHIP_MODE_WAIT_CAP_OFF:
+ break;
+
+ case IN_USE_SETUP:
+ periodic_ticker.detach();
+ periodic_ticker.attach(&periodic_tick ,PERIODIC_TICK_SEC);
+#if UART_DEBUGGING==1
+ BLE_UART_xmit("Wakeup\n");
+#endif
+ package_open_sense_enable = 0; // turn off light sense pull-up
+ is_package_open.disable_irq(); // turn off light sense interrupt
+
+ periodic_ticker.detach();
+ periodic_ticker.attach(&periodic_tick ,PERIODIC_TICK_SEC);
+
+ set_rtc(0);
+ //log_add(EVENT_POWER, 0, 0, 0); // log event
+ //set_radio(true);
+
+ state = WAIT_CAP_OFF;
+ break;
+
+ case WAIT_CAP_OFF: // cap is on, waiting for cap to be removed
+ if(is_cap_off)
+ { // cap just taken off
+ // save cap off time
+ cap_off_time = read_clock();
+
+#if UART_DEBUGGING==1
+ BLE_UART_xmit("Cap Off \n");
+#endif
+
+ state = WAIT_CAP_ON;
+ }
+
+ break;
+
+ case WAIT_CAP_ON: // cap currently off, waiting for cap to be put on
+
+ if(!is_cap_off)
+ { // cap just put on
+ // log time cap was off
+ uint32_t cap_off_dur = read_clock()-cap_off_time;
+ if(cap_off_dur>65535) cap_off_dur = 65535;
+
+ log_add(EVENT_CAP_ON, cap_off_dur & 0xff, (cap_off_dur >> 8)&0xff, 0); // log event
+
+ //wait(0.25);
+ set_radio(true);
+
+ state = WAIT_CAP_OFF;
+ }
+ break;
+
+ default: // illegal state
+ state = INIT;
+ break;
+ }
+}
+
+int main(void)
+{
+ // blink LED to indicate power applied
+ flash_led(1,1.0);
+
+ if(Init_BLE_Stuff()) // init and start advertising
+ {
+ flash_led(0, 0.05); // indicate a ble init error
+ }
+
+ eventQueue.call(process_state);
+
+ eventQueue.dispatch_forever(); // run all tasks in the event queue (non-interrupt routines)
+ return 0;
+}
+
+//*****************************************************************************
+
+
+// process commands sent to the SmartCap over Bluetooth UART
+void process_cmd(char * cmd)
+{
+ switch(tolower(cmd[0])) {
+ case 'r': // Get records
+ log_show();
+ //batt_voltage = read_battery_voltage();
+ //updateBattValue(batt_voltage);
+ break;
+
+ case 's': // status
+ switch(tolower(cmd[1])) {
+ case 0: // old, check battery voltage
+ batt_voltage = read_battery_voltage();
+ //updateBattValue(batt_voltage);
+ BLE_UART_xmit("Bat=");
+ BLE_UART_xmit(batt_voltage);
+ BLE_UART_xmit("\n");
+ break;
+
+ case 'c': // checksum
+ BLE_UART_xmit(0);
+ BLE_UART_xmit("\n");
+ break;
+
+ case 'l': // light sensor analog readings
+ BLE_UART_xmit(0);
+ BLE_UART_xmit("\n");
+ break;
+
+ case ' ': // cap sensor analog readings
+
+ case 's': // sensors as hex pair, with bit '000000xy', x=(1 is cap off), y=(1 is light sensed)
+
+ BLE_UART_xmit(0);
+ BLE_UART_xmit("\n");
+ break;
+ }
+ break;
+
+ case 't': // get time
+ BLE_UART_xmit(read_clock());
+ BLE_UART_xmit("\n");
+ break;
+
+ case 'c': // set time
+ {
+ int i = 1;
+ uint32_t num = 0;
+
+ while(cmd[i]>='0' && cmd[i]<='9') {
+ num = num*10 + cmd[i++]-'0';
+ }
+
+ if(i>1) {
+ set_time_offset(num);
+ BLE_UART_xmit("*Time Set\n");
+ }
+ }
+ break;
+
+ case 'v': // version
+ BLE_UART_xmit(FW_VERSION);
+ BLE_UART_xmit("\n");
+ break;
+
+ default:
+ BLE_UART_xmit("S=Status\n");
+ break;
+ }
+ cmd[0] = 0;
+}