Revision 11:671d85a0f15b, committed 2016-02-09

Comitter:

tmulrooney

Date:

Tue Feb 09 00:28:59 2016 +0000

Parent:

8:0faa1bb768b5

Commit message:

hello world

Changed in this revision

diff -r 0faa1bb768b5 -r 671d85a0f15b TARGET_MOTE_L152RC/debug.cpp
--- a/TARGET_MOTE_L152RC/debug.cpp	Wed Oct 21 01:03:34 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,76 +0,0 @@
-//#include "oslmic.h"
-#include "lmic.h"
-#include "debug.h"
-#include "mbed.h"
-
-Serial pc(USBTX, USBRX);
-
-static DigitalOut red_led(PB_1);
-#define LED_ON  0
-#define LED_OFF 1
-
-void debug_init()
-{
-    pc.baud(115200);
-
-    // print banner
-    debug_str("\r\n============== DEBUG STARTED ==============\r\n");
-
-    red_led = LED_OFF;
-}
-
-void debug_str (const char* str)
-{
-    debug("%s", str);
-}
-
-void debug_event (int ev)
-{
-    static const u1_t* evnames[] = {
-        [EV_SCAN_TIMEOUT]   = "SCAN_TIMEOUT",
-        [EV_BEACON_FOUND]   = "BEACON_FOUND",
-        [EV_BEACON_MISSED]  = "BEACON_MISSED",
-        [EV_BEACON_TRACKED] = "BEACON_TRACKED",
-        [EV_JOINING]        = "JOINING",
-        [EV_JOINED]         = "JOINED",
-        [EV_RFU1]           = "RFU1",
-        [EV_JOIN_FAILED]    = "JOIN_FAILED",
-        [EV_REJOIN_FAILED]  = "REJOIN_FAILED",
-        [EV_TXCOMPLETE]     = "TXCOMPLETE",
-        [EV_LOST_TSYNC]     = "LOST_TSYNC",
-        [EV_RESET]          = "RESET",
-        [EV_RXCOMPLETE]     = "RXCOMPLETE",
-        [EV_LINK_DEAD]      = "LINK_DEAD",
-        [EV_LINK_ALIVE]     = "LINK_ALIVE",
-    };
-
-    debug("%s\r\n", evnames[ev]);
-}
-
-void debug_val (const char* label, u4_t val)
-{
-    debug("%s%d\r\n", label, val);
-}
-
-void debug_buf(const u1_t* buf, u2_t len)
-{
-    while (len--) {
-        debug("%02x ", *buf++);
-    }
-    debug("\r\n");
-}
-
-void debug_led(unsigned char on)
-{
-    if (on)
-        red_led = LED_ON;
-    else
-        red_led = LED_OFF;
-}
-
-void debug_done()
-{
-    /* block until last bit sent out debug UART */
-    while (!(USART2->SR & UART_FLAG_TC))
-        __NOP();
-}

diff -r 0faa1bb768b5 -r 671d85a0f15b TARGET_MOTE_L152RC/hal.cpp
--- a/TARGET_MOTE_L152RC/hal.cpp	Wed Oct 21 01:03:34 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,328 +0,0 @@
-/* HAL for MOTE_L152RC */
-
-#include "mbed.h"
-#include "oslmic.h"
-#include "debug.h"
-
-#define RADIO_MOSI      PB_15
-#define RADIO_MISO      PB_14
-#define RADIO_SCLK      PB_13
-#define RADIO_NSS       PB_12
-#define RESET_PIN       PC_2
-
-#define RFSW1                    PC_4 //NorAm_Mote RFSwitch_CNTR_1
-#define RFSW2                    PC_13 //NorAm_Mote RFSwitch_CNTR_2
-
-static DigitalOut nss(RADIO_NSS);
-static SPI spi(RADIO_MOSI, RADIO_MISO, RADIO_SCLK); // (mosi, miso, sclk)
-
-static DigitalInOut rst(RESET_PIN);
-
-DigitalOut rfsw1(RFSW1);
-DigitalOut rfsw2(RFSW2);
-
-DigitalOut hdr_fem_csd(PC_0);
-
-static InterruptIn dio0(PC_6);
-static InterruptIn dio1(PC_10);
-static InterruptIn dio2(PC_11); 
-
-extern RTC_HandleTypeDef RtcHandle;
-
-// HAL state
-static struct {
-    int irqlevel;
-} HAL;
-
-void radio_irq_handler (u1_t dio);
-
-static void dio0Irq( void ){
-    radio_irq_handler( 0 );
-}
-static void dio1Irq( void ){
-    radio_irq_handler( 1 );
-}
-static void dio2Irq( void ){
-    radio_irq_handler( 2 );
-}
-
-void hal_disableIRQs()
-{
-    __disable_irq();
-    HAL.irqlevel++;
-}
-
-void hal_enableIRQs()
-{
-    if (--HAL.irqlevel == 0) {
-        __enable_irq();
-    }
-}
-
-void hal_failed ()
-{
-    while (1)
-        asm("nop");
-}
-
-static void rtc_wkup_irq(void)
-{
-    HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
-}
-
-void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
-{
-    /* Clear Wake Up Flag */
-    __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
-}
-
-/*void HAL_RCC_CCSCallback()
-{
-    for (;;) asm("nop");
-}*/
-
-
-volatile uint32_t /*rcc_cr_a, rcc_cr_b,*/ rcc_cr_c;
-void hal_init (void)
-{
-    memset(&HAL, 0x00, sizeof(HAL));
-    hal_disableIRQs();
-
-#if USE_SMTC_RADIO_DRIVER
-
-#else
-    // configure input lines
-    dio0.mode(PullDown);
-    dio0.rise(dio0Irq);
-    dio0.enable_irq();
-    dio1.mode(PullDown);   
-    dio1.rise(dio1Irq);
-    dio1.enable_irq();
-    dio2.mode(PullDown);
-    dio2.rise(dio2Irq);
-    dio2.enable_irq();
-    // configure reset line
-    rst.input();
-    // configure spi
-    spi.frequency(8000000);
-    spi.format(8, 0);
-    nss = 1;
-    //RFSwitch_CNTR_2 = 1;
-#endif
-
-    set_time(0);    // initialize RTC
-
-    /* Enable Ultra low power mode */
-    HAL_PWREx_EnableUltraLowPower();
-
-    /* Enable the fast wake up from Ultra low power mode */
-    HAL_PWREx_EnableFastWakeUp();
-
-    __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(&RtcHandle, RTC_FLAG_WUTF);
-
-    NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)rtc_wkup_irq);
-    NVIC_EnableIRQ(RTC_WKUP_IRQn);
-
-    hdr_fem_csd = 0;
-
-    hal_enableIRQs();
-    
-    GPIOA->MODER |= 0x01415500;     // unused pins as outputs: PA4, PA5, PA6, PA7, PA8, (PA11,PA12 USB)
-    GPIOB->MODER |= 0x00000401;     // unused pins as outputs: PB0(HDR_DIO1), PB5 (PB10 pulled hi by LED), PB3-T_SWO
-    GPIOC->MODER |= 0x00000041;    // unused pins as outputs: PC0(HDR_FEM_CSD), PC3(SPI3_enable)     
-    
-
-}
-
-u4_t hal_ticks ()
-{
-    RTC_DateTypeDef dateStruct;
-    RTC_TimeTypeDef timeStruct;
-    struct tm timeinfo;
-    uint16_t sub_seconds;
-
-    RtcHandle.Instance = RTC;
-
-    // Read actual date and time
-    // Warning: the time must be read first!
-    HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
-    HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
-    sub_seconds = 16384 - timeStruct.SubSeconds;    // RTC_SSR counts down
-
-    // Setup a tm structure based on the RTC
-    timeinfo.tm_wday = dateStruct.WeekDay;
-    timeinfo.tm_mon  = dateStruct.Month - 1;
-    timeinfo.tm_mday = dateStruct.Date;
-    timeinfo.tm_year = dateStruct.Year + 100;
-    timeinfo.tm_hour = timeStruct.Hours;
-    timeinfo.tm_min  = timeStruct.Minutes;
-    timeinfo.tm_sec  = timeStruct.Seconds;
-
-    // Convert to timestamp
-    time_t t = mktime(&timeinfo);
-
-    // 14: SSR is driven at 16384Hz
-    t <<= 14;
-    return t | sub_seconds;
-}
-
-void hal_waitUntil (u4_t time)
-{
-    while (hal_ticks() < time)
-        asm("nop");
-}
-
-
-volatile char deep_sleep;
-/* return 1 if target time is soon, return 0 if timer was programmed */
-u1_t hal_checkTimer (u4_t time)
-{
-    int d = time - hal_ticks();
-
-    HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
-    __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(&RtcHandle, RTC_FLAG_WUTF);
-
-    if (d < 0x10000) {  // less than 4s
-        deep_sleep = 0;
-        if (d < 4)
-            return 1;   // very soon
-        if (d > ms2osticks(100)) {
-            d -= 13;    // HSE_PLL startup time
-            deep_sleep = 1;
-        }
-        // 61.035us steps
-        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d, RTC_WAKEUPCLOCK_RTCCLK_DIV2);
-    } else if (d < 0x20000) {  // less than 8s
-        d -= 6;    // HSE_PLL startup time
-        deep_sleep = 1;
-        // 122us steps
-        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 1, RTC_WAKEUPCLOCK_RTCCLK_DIV4);
-    } else if (d < 0x40000) {  // less than 16s
-        deep_sleep = 1;
-        // 244us steps
-        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 2, RTC_WAKEUPCLOCK_RTCCLK_DIV8);
-    } else if (d < 0x80000) {  // less than 32s
-        deep_sleep = 1;
-        // 488us steps
-        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 3, RTC_WAKEUPCLOCK_RTCCLK_DIV16);
-    } else {
-        deep_sleep = 1;
-        // 1s steps to 18hours
-        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 14, RTC_WAKEUPCLOCK_CK_SPRE_16BITS);
-        /* RTC_WAKEUPCLOCK_CK_SPRE_17BITS: 18h to 36h */
-        /*for (;;)
-            asm("nop");*/
-    }
-    
-    return 0;
-}
-
-//#define SLEEP_DEBUG 1
-
-void hal_sleep ()
-{
-#ifdef SLEEP_DEBUG
-    u4_t start_tick, end_tick;
-    volatile uint32_t time_asleep;
-#endif /* SLEEP_DEBUG */
-    
-#ifdef USE_DEBUGGER
-    HAL_EnableDBGStopMode();
-    if (!DBGMCU->CR & DBGMCU_CR_DBG_STOP)
-        for (;;) asm("nop");
-#endif /* USE_DEBUGGER */
-
-    //printf("%x cr:%06x isr:%04x %d\r\n", RtcHandle.Instance->WUTR, RtcHandle.Instance->CR, RtcHandle.Instance->ISR, deep_sleep);
-    //debug_done();
-
-    if (deep_sleep)
-        debug_done();   // wait here if debug still printing
-
-    if (__HAL_RTC_WAKEUPTIMER_GET_FLAG(&RtcHandle, RTC_FLAG_WUTF) == 0) {
-        // set gpio for sleep
-#ifdef SLEEP_DEBUG
-        start_tick = hal_ticks();
-#endif /* SLEEP_DEBUG */
-
-
-        if (deep_sleep) {
-#ifndef USE_DEBUGGER
-            /* PA13 to undriven JTMS/SWDIO pin (from AF0 to GPIO), and PA2 */
-            GPIOA->MODER &= 0xf7ffffdf;
-            GPIOB->MODER &= 0xffffdfff; // PB6 UART_TX to input
-#endif            
-            deepsleep();    // blocks until waking
-#ifndef USE_DEBUGGER
-            /* PA13 back to JTMS/SWDIO pin (from GPIO to AF0), and PA2 */
-            GPIOA->MODER |= 0x08000020;
-            GPIOB->MODER |= 0x00002000; // PB6 input to UART_TX
-#endif            
-        } else
-            sleep();    // blocks until waking
-
-#ifdef SLEEP_DEBUG
-        end_tick = hal_ticks();
-        time_asleep = end_tick - start_tick;
-        printf("%u = %u - %u\r\n", time_asleep, end_tick, start_tick);
-#endif /* SLEEP_DEBUG */
-        // restore gpio from sleep
-    }
-}
-
-void hal_pin_nss (u1_t val)
-{
-    nss = val;
-}
-
-u1_t hal_spi (u1_t out)
-{
-    return spi.write(out);
-}
-
-// 0=RX     1=TX
-/*void hal_pin_rxtx (u1_t val)
-{
-    rxtx = !val;
-}*/
-#define OPMODE_LORA      0x80
-#define OPMODE_MASK      0x07
-#define OPMODE_SLEEP     0x00
-#define OPMODE_STANDBY   0x01
-#define OPMODE_FSTX      0x02
-#define OPMODE_TX        0x03
-#define OPMODE_FSRX      0x04
-#define OPMODE_RX        0x05
-#define OPMODE_RX_SINGLE 0x06 
-#define OPMODE_CAD       0x07 
-void hal_opmode(u1_t mode, u1_t pa_boost)
-{
-    if (mode == OPMODE_TX) {  // start of transmission
-        if (pa_boost) {
-            rfsw2 = 0;
-            rfsw1 = 1;
-        } else {
-            rfsw2 = 1;
-            rfsw1 = 0;          
-        }
-        hdr_fem_csd = 0;    // debug   
-    } else if (mode == OPMODE_RX || mode == OPMODE_RX_SINGLE || mode == OPMODE_CAD) { // start of reception
-        rfsw2 = 1;
-        rfsw1 = 1; 
-       hdr_fem_csd = 1;    // debug        
-    } else { // RF switch shutdown
-        rfsw2 = 0;
-        rfsw1 = 0;
-        hdr_fem_csd = 0;    // debug   
-    }
-}
-
-void hal_pin_rst (u1_t val)
-{
-    if (val == 0 || val == 1) { // drive pin
-        rst.output();
-        rst = val;
-    } else { // keep pin floating
-        rst.input();
-    }
-}
-

diff -r 0faa1bb768b5 -r 671d85a0f15b TARGET_MOTE_L152RC/hal.h
--- a/TARGET_MOTE_L152RC/hal.h	Wed Oct 21 01:03:34 2015 +0000
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,90 +0,0 @@
-/*******************************************************************************
- * Copyright (c) 2014-2015 IBM Corporation.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Eclipse Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/epl-v10.html
- *
- * Contributors:
- *    IBM Zurich Research Lab - initial API, implementation and documentation
- *******************************************************************************/
-
-#ifndef _hal_hpp_
-#define _hal_hpp_
-
-/*
- * initialize hardware (IO, SPI, TIMER, IRQ).
- */
-void hal_init (void);
-
-/*
- * drive radio NSS pin (0=low, 1=high).
- */
-void hal_pin_nss (u1_t val);
-
-/*
- * drive radio RX/TX pins (0=rx, 1=tx).
- */
-//void hal_pin_rxtx (u1_t val);
-void hal_opmode(u1_t mode, u1_t pa_boost);
-
-/*
- * control radio RST pin (0=low, 1=high, 2=floating)
- */
-void hal_pin_rst (u1_t val);
-
-/*
- * perform 8-bit SPI transaction with radio.
- *   - write given byte 'outval'
- *   - read byte and return value
- */
-u1_t hal_spi (u1_t outval);
-
-/*
- * disable all CPU interrupts.
- *   - might be invoked nested 
- *   - will be followed by matching call to hal_enableIRQs()
- */
-void hal_disableIRQs (void);
-
-/*
- * enable CPU interrupts.
- */
-void hal_enableIRQs (void);
-
-/*
- * put system and CPU in low-power mode, sleep until interrupt.
- */
-void hal_sleep (void);
-
-/*
- * return 32-bit system time in ticks.
- */
-u4_t hal_ticks (void);
-
-/*
- * busy-wait until specified timestamp (in ticks) is reached.
- */
-void hal_waitUntil (u4_t time);
-
-/*
- * check and rewind timer for target time.
- *   - return 1 if target time is close
- *   - otherwise rewind timer for target time or full period and return 0
- */
-u1_t hal_checkTimer (u4_t targettime);
-
-/*
- * perform fatal failure action.
- *   - called by assertions
- *   - action could be HALT or reboot
- */
-void hal_failed (void);
-
-#ifndef OSTICKS_PER_SEC
-#define OSTICKS_PER_SEC 16384
-#elif OSTICKS_PER_SEC < 10000 || OSTICKS_PER_SEC > 64516
-#error Illegal OSTICKS_PER_SEC - must be in range [10000:64516]. One tick must be 15.5us .. 100us long.
-#endif
-
-#endif // _hal_hpp_

diff -r 0faa1bb768b5 -r 671d85a0f15b debug.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/debug.cpp	Tue Feb 09 00:28:59 2016 +0000
@@ -0,0 +1,76 @@
+//#include "oslmic.h"
+#include "lmic.h"
+#include "debug.h"
+#include "mbed.h"
+
+Serial pc(PTE0, PTE1);
+
+static DigitalOut red_led(PTA1);
+#define LED_ON  0
+#define LED_OFF 1
+
+void debug_init()
+{
+    pc.baud(115200);
+
+    // print banner
+    debug_str("\r\n============== DEBUG STARTED ==============\r\n");
+
+    red_led = LED_OFF;
+}
+
+void debug_str (const char* str)
+{
+    debug("%s", str);
+}
+
+void debug_event (int ev)
+{
+    static const u1_t* evnames[] = {
+        [EV_SCAN_TIMEOUT]   = "SCAN_TIMEOUT",
+        [EV_BEACON_FOUND]   = "BEACON_FOUND",
+        [EV_BEACON_MISSED]  = "BEACON_MISSED",
+        [EV_BEACON_TRACKED] = "BEACON_TRACKED",
+        [EV_JOINING]        = "JOINING",
+        [EV_JOINED]         = "JOINED",
+        [EV_RFU1]           = "RFU1",
+        [EV_JOIN_FAILED]    = "JOIN_FAILED",
+        [EV_REJOIN_FAILED]  = "REJOIN_FAILED",
+        [EV_TXCOMPLETE]     = "TXCOMPLETE",
+        [EV_LOST_TSYNC]     = "LOST_TSYNC",
+        [EV_RESET]          = "RESET",
+        [EV_RXCOMPLETE]     = "RXCOMPLETE",
+        [EV_LINK_DEAD]      = "LINK_DEAD",
+        [EV_LINK_ALIVE]     = "LINK_ALIVE",
+    };
+
+    debug("%s\r\n", evnames[ev]);
+}
+
+void debug_val (const char* label, u4_t val)
+{
+    debug("%s%d\r\n", label, val);
+}
+
+void debug_buf(const u1_t* buf, u2_t len)
+{
+    while (len--) {
+        debug("%02x ", *buf++);
+    }
+    debug("\r\n");
+}
+
+void debug_led(unsigned char on)
+{
+    if (on)
+        red_led = LED_ON;
+    else
+        red_led = LED_OFF;
+}
+
+void debug_done()
+{
+    /* block until last bit sent out debug UART */
+//    while (!(USART2->SR & UART_FLAG_TC))
+//        __NOP();
+}

diff -r 0faa1bb768b5 -r 671d85a0f15b debug.h
--- a/debug.h	Wed Oct 21 01:03:34 2015 +0000
+++ b/debug.h	Tue Feb 09 00:28:59 2016 +0000
@@ -23,6 +23,24 @@
     va_end(args);
 }
 
+#define NDEBUG
+#ifndef NDEBUG
+
+/** Output a debug message
+ * 
+ * @param format printf-style format string, followed by variables
+ */
+static inline void debugSW(const char *format, ...) {
+    va_list args;
+    va_start(args, format);
+    vfprintf(stderr, format, args);
+    va_end(args);
+}
+
+#else
+static inline void debugSW(const char *format, ...) {}
+#endif
+
 // intialize debug library
 void debug_init (void);
 

diff -r 0faa1bb768b5 -r 671d85a0f15b hal.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hal.cpp	Tue Feb 09 00:28:59 2016 +0000
@@ -0,0 +1,356 @@
+/* HAL for MOTE_L152RC */
+
+#include "mbed.h"
+#include "oslmic.h"
+#include "debug.h"
+
+#define RADIO_MOSI      PTD6
+#define RADIO_MISO      PTD7
+#define RADIO_SCLK      PTD5
+#define RADIO_NSS       PTD4
+//#define RESET_PIN       PTC1 /* *** TODO *** */
+
+//#define RFSW1                    PTC1 //NorAm_Mote RFSwitch_CNTR_1 *** TODO ***
+//#define RFSW2                    PTC1 //NorAm_Mote RFSwitch_CNTR_2 *** TODO ***
+
+static DigitalOut nss(PTD4);
+static SPI spi(RADIO_MOSI, RADIO_MISO, RADIO_SCLK); // (mosi, miso, sclk)
+
+//static DigitalInOut rst(RESET_PIN);
+
+//DigitalOut rfsw1(RFSW1);
+//DigitalOut rfsw2(RFSW2);
+
+//DigitalOut hdr_fem_csd(PTC1);   /* *** TODO *** */
+
+static InterruptIn dio0(PTC2);
+static InterruptIn dio1(PTC4); /* *** TODO *** */
+static InterruptIn dio2(PTC3); 
+
+//extern RTC_HandleTypeDef RtcHandle;
+u4_t sleepTimeout;
+
+// HAL state
+static struct {
+    int irqlevel;
+} HAL;
+
+void radio_irq_handler (u1_t dio);
+
+static void dio0Irq( void ){
+    radio_irq_handler( 0 );
+}
+static void dio1Irq( void ){
+    radio_irq_handler( 1 );
+}
+static void dio2Irq( void ){
+    radio_irq_handler( 2 );
+}
+
+void hal_disableIRQs()
+{
+    __disable_irq();
+    HAL.irqlevel++;
+}
+
+void hal_enableIRQs()
+{
+    if (--HAL.irqlevel == 0) {
+        __enable_irq();
+    }
+}
+
+void hal_failed ()
+{
+    while (1)
+        asm("nop");
+}
+
+//static void rtc_wkup_irq(void)
+//{
+//    HAL_RTCEx_WakeUpTimerIRQHandler(&RtcHandle);
+//}
+
+//void HAL_RTCEx_WakeUpTimerEventCallback(RTC_HandleTypeDef *hrtc)
+//{
+//    /* Clear Wake Up Flag */
+//    __HAL_PWR_CLEAR_FLAG(PWR_FLAG_WU);
+//}
+
+/*void HAL_RCC_CCSCallback()
+{
+    for (;;) asm("nop");
+}*/
+
+
+volatile uint32_t /*rcc_cr_a, rcc_cr_b,*/ rcc_cr_c;
+void hal_init (void)
+{
+    debugSW("hal_init enter\r\n");
+    memset(&HAL, 0x00, sizeof(HAL));
+    hal_disableIRQs();
+
+#if USE_SMTC_RADIO_DRIVER
+
+#else
+    // configure input lines
+    dio0.mode(PullDown);
+    dio0.rise(dio0Irq);
+    dio0.enable_irq();
+    dio1.mode(PullDown);   
+    dio1.rise(dio1Irq);
+    dio1.enable_irq();
+    dio2.mode(PullDown);
+    dio2.rise(dio2Irq);
+    dio2.enable_irq();
+    // configure reset line
+//    rst.input();
+    // configure spi
+//    spi.frequency(8000000);
+    spi.frequency(1000000);
+    spi.format(8, 0);
+    nss = 1;
+    //RFSwitch_CNTR_2 = 1;
+#endif
+
+    set_time(0);    // initialize RTC
+
+    /* Enable Ultra low power mode */
+//    HAL_PWREx_EnableUltraLowPower();
+
+    /* Enable the fast wake up from Ultra low power mode */
+//    HAL_PWREx_EnableFastWakeUp();
+
+//    __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(&RtcHandle, RTC_FLAG_WUTF);
+
+//    NVIC_SetVector(RTC_WKUP_IRQn, (uint32_t)rtc_wkup_irq);
+//    NVIC_EnableIRQ(RTC_WKUP_IRQn);
+
+//    hdr_fem_csd = 0;
+
+    hal_enableIRQs();
+    
+//    GPIOA->MODER |= 0x01415500;     // unused pins as outputs: PA4, PA5, PA6, PA7, PA8, (PA11,PA12 USB)
+//    GPIOB->MODER |= 0x00000401;     // unused pins as outputs: PB0(HDR_DIO1), PB5 (PB10 pulled hi by LED), PB3-T_SWO
+//    GPIOC->MODER |= 0x00000041;    // unused pins as outputs: PC0(HDR_FEM_CSD), PC3(SPI3_enable)     
+     
+    debugSW("hal_init exit\r\n");
+
+}
+
+time_t lastSeconds = 0xFFFFF;
+u4_t hal_ticks ()
+{
+    time_t seconds = time(NULL);
+    if(seconds != lastSeconds)
+    {
+        lastSeconds = seconds;
+        debugSW("hal_ticks enter %d\r\n",seconds << 14);
+    }
+//    RTC_DateTypeDef dateStruct;
+//    RTC_TimeTypeDef timeStruct;
+//    struct tm timeinfo;
+//    uint16_t sub_seconds;
+
+//    RtcHandle.Instance = RTC;
+
+    // Read actual date and time
+    // Warning: the time must be read first!
+//    HAL_RTC_GetTime(&RtcHandle, &timeStruct, FORMAT_BIN);
+//    HAL_RTC_GetDate(&RtcHandle, &dateStruct, FORMAT_BIN);
+//    sub_seconds = 16384 - timeStruct.SubSeconds;    // RTC_SSR counts down
+
+    // Setup a tm structure based on the RTC
+//    timeinfo.tm_wday = dateStruct.WeekDay;
+//    timeinfo.tm_mon  = dateStruct.Month - 1;
+//    timeinfo.tm_mday = dateStruct.Date;
+//    timeinfo.tm_year = dateStruct.Year + 100;
+//    timeinfo.tm_hour = timeStruct.Hours;
+//    timeinfo.tm_min  = timeStruct.Minutes;
+//    timeinfo.tm_sec  = timeStruct.Seconds;
+
+    // Convert to timestamp
+//    time_t t = mktime(&timeinfo);
+
+    // 14: SSR is driven at 16384Hz
+//    t <<= 14;
+//    return t | sub_seconds;
+    return seconds << 14;
+}
+
+void hal_waitUntil (u4_t time)
+{
+  debugSW("hal_waitUntil %d\r\n", time);
+    while (hal_ticks() < time)
+        asm("nop");
+  debugSW("hal_waitUntil exit\r\n");
+}
+
+
+volatile char deep_sleep;
+/* return 1 if target time is soon, return 0 if timer was programmed */
+u1_t hal_checkTimer (u4_t time)
+{
+    int d = time - hal_ticks();
+    if(d == 0)
+        return 1;
+   sleepTimeout = time;
+    debugSW("hal_checkTimer %d %d %d\r\n",time,d,sleepTimeout);
+
+//    HAL_RTCEx_DeactivateWakeUpTimer(&RtcHandle);
+//    __HAL_RTC_WAKEUPTIMER_CLEAR_FLAG(&RtcHandle, RTC_FLAG_WUTF);
+
+//    if (d < 0x10000) {  // less than 4s
+//        deep_sleep = 0;
+//        if (d < 4)
+//            return 1;   // very soon
+//        if (d > ms2osticks(100)) {
+//            d -= 13;    // HSE_PLL startup time
+//            deep_sleep = 1;
+//        }
+        // 61.035us steps
+//        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d, RTC_WAKEUPCLOCK_RTCCLK_DIV2);
+//    } else if (d < 0x20000) {  // less than 8s
+//        d -= 6;    // HSE_PLL startup time
+//        deep_sleep = 1;
+        // 122us steps
+//        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 1, RTC_WAKEUPCLOCK_RTCCLK_DIV4);
+//    } else if (d < 0x40000) {  // less than 16s
+//        deep_sleep = 1;
+        // 244us steps
+//        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 2, RTC_WAKEUPCLOCK_RTCCLK_DIV8);
+//    } else if (d < 0x80000) {  // less than 32s
+//        deep_sleep = 1;
+        // 488us steps
+//        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 3, RTC_WAKEUPCLOCK_RTCCLK_DIV16);
+//    } else {
+//        deep_sleep = 1;
+        // 1s steps to 18hours
+//        HAL_RTCEx_SetWakeUpTimer_IT(&RtcHandle, d >> 14, RTC_WAKEUPCLOCK_CK_SPRE_16BITS);
+        /* RTC_WAKEUPCLOCK_CK_SPRE_17BITS: 18h to 36h */
+        /*for (;;)
+            asm("nop");*/
+//    }
+   debugSW("hal_checkTimer exit\r\n");
+   
+    return 0;
+}
+
+#define SLEEP_DEBUG 1
+
+void hal_sleep ()
+{
+    debugSW("hal_sleep enter\r\n");
+   hal_waitUntil(sleepTimeout);
+// #ifdef SLEEP_DEBUG
+//    u4_t start_tick, end_tick;
+//    volatile uint32_t time_asleep;
+//#endif /* SLEEP_DEBUG */
+    
+//#ifdef USE_DEBUGGER
+//    HAL_EnableDBGStopMode();
+//    if (!DBGMCU->CR & DBGMCU_CR_DBG_STOP)
+//        for (;;) asm("nop");
+//#endif /* USE_DEBUGGER */
+
+    //printf("%x cr:%06x isr:%04x %d\r\n", RtcHandle.Instance->WUTR, RtcHandle.Instance->CR, RtcHandle.Instance->ISR, deep_sleep);
+    //debug_done();
+
+//    if (deep_sleep)
+//        debug_done();   // wait here if debug still printing
+
+//    if (__HAL_RTC_WAKEUPTIMER_GET_FLAG(&RtcHandle, RTC_FLAG_WUTF) == 0) {
+        // set gpio for sleep
+//#ifdef SLEEP_DEBUG
+//        start_tick = hal_ticks();
+//#endif /* SLEEP_DEBUG */
+
+
+//        if (deep_sleep) {
+//#ifndef USE_DEBUGGER
+            /* PA13 to undriven JTMS/SWDIO pin (from AF0 to GPIO), and PA2 */
+//            GPIOA->MODER &= 0xf7ffffdf;
+//            GPIOB->MODER &= 0xffffdfff; // PB6 UART_TX to input
+//#endif            
+//            deepsleep();    // blocks until waking
+//#ifndef USE_DEBUGGER
+//            /* PA13 back to JTMS/SWDIO pin (from GPIO to AF0), and PA2 */
+//            GPIOA->MODER |= 0x08000020;
+//            GPIOB->MODER |= 0x00002000; // PB6 input to UART_TX
+//#endif            
+//        } else
+//            sleep();    // blocks until waking
+
+//#ifdef SLEEP_DEBUG
+//        end_tick = hal_ticks();
+//        time_asleep = end_tick - start_tick;
+//        printf("%u = %u - %u\r\n", time_asleep, end_tick, start_tick);
+//#endif /* SLEEP_DEBUG */
+        // restore gpio from sleep
+//    }
+   debugSW("hal_sleep exit\r\n");
+}
+
+void hal_pin_nss (u1_t val)
+{
+    nss = val;
+}
+
+u1_t hal_spi (u1_t out)
+{
+//   return spi.write(out);
+    u1_t res = spi.write(out);
+    debugSW("hal_spi %02X %02X\r\n",out, res);
+    return(res);
+}
+
+// 0=RX     1=TX
+/*void hal_pin_rxtx (u1_t val)
+{
+    rxtx = !val;
+}*/
+#define OPMODE_LORA      0x80
+#define OPMODE_MASK      0x07
+#define OPMODE_SLEEP     0x00
+#define OPMODE_STANDBY   0x01
+#define OPMODE_FSTX      0x02
+#define OPMODE_TX        0x03
+#define OPMODE_FSRX      0x04
+#define OPMODE_RX        0x05
+#define OPMODE_RX_SINGLE 0x06 
+#define OPMODE_CAD       0x07 
+void hal_opmode(u1_t mode, u1_t pa_boost)
+{
+   debugSW("hal_opmode %02X %02X\r\n",mode, pa_boost);
+//    if (mode == OPMODE_TX) {  // start of transmission
+//        if (pa_boost) {
+//            rfsw2 = 0;
+//            rfsw1 = 1;
+//        } else {
+//            rfsw2 = 1;
+//            rfsw1 = 0;          
+//        }
+//        hdr_fem_csd = 0;    // debug   
+//    } else if (mode == OPMODE_RX || mode == OPMODE_RX_SINGLE || mode == OPMODE_CAD) { // start of reception
+//        rfsw2 = 1;
+//        rfsw1 = 1; 
+//       hdr_fem_csd = 1;    // debug        
+//    } else { // RF switch shutdown
+//        rfsw2 = 0;
+//        rfsw1 = 0;
+//        hdr_fem_csd = 0;    // debug   
+//    }
+   debugSW("hal_opmode exit\r\n");
+}
+
+void hal_pin_rst (u1_t val)
+{
+   debugSW("hal_pin_rst %02X\r\n",val);
+//    if (val == 0 || val == 1) { // drive pin
+//        rst.output();
+//        rst = val;
+//    } else { // keep pin floating
+//        rst.input();
+//    }
+   debugSW("hal_pin_rst exit\r\n");
+}

diff -r 0faa1bb768b5 -r 671d85a0f15b hal.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hal.h	Tue Feb 09 00:28:59 2016 +0000
@@ -0,0 +1,90 @@
+/*******************************************************************************
+ * Copyright (c) 2014-2015 IBM Corporation.
+ * All rights reserved. This program and the accompanying materials
+ * are made available under the terms of the Eclipse Public License v1.0
+ * which accompanies this distribution, and is available at
+ * http://www.eclipse.org/legal/epl-v10.html
+ *
+ * Contributors:
+ *    IBM Zurich Research Lab - initial API, implementation and documentation
+ *******************************************************************************/
+
+#ifndef _hal_hpp_
+#define _hal_hpp_
+
+/*
+ * initialize hardware (IO, SPI, TIMER, IRQ).
+ */
+void hal_init (void);
+
+/*
+ * drive radio NSS pin (0=low, 1=high).
+ */
+void hal_pin_nss (u1_t val);
+
+/*
+ * drive radio RX/TX pins (0=rx, 1=tx).
+ */
+//void hal_pin_rxtx (u1_t val);
+void hal_opmode(u1_t mode, u1_t pa_boost);
+
+/*
+ * control radio RST pin (0=low, 1=high, 2=floating)
+ */
+void hal_pin_rst (u1_t val);
+
+/*
+ * perform 8-bit SPI transaction with radio.
+ *   - write given byte 'outval'
+ *   - read byte and return value
+ */
+u1_t hal_spi (u1_t outval);
+
+/*
+ * disable all CPU interrupts.
+ *   - might be invoked nested 
+ *   - will be followed by matching call to hal_enableIRQs()
+ */
+void hal_disableIRQs (void);
+
+/*
+ * enable CPU interrupts.
+ */
+void hal_enableIRQs (void);
+
+/*
+ * put system and CPU in low-power mode, sleep until interrupt.
+ */
+void hal_sleep (void);
+
+/*
+ * return 32-bit system time in ticks.
+ */
+u4_t hal_ticks (void);
+
+/*
+ * busy-wait until specified timestamp (in ticks) is reached.
+ */
+void hal_waitUntil (u4_t time);
+
+/*
+ * check and rewind timer for target time.
+ *   - return 1 if target time is close
+ *   - otherwise rewind timer for target time or full period and return 0
+ */
+u1_t hal_checkTimer (u4_t targettime);
+
+/*
+ * perform fatal failure action.
+ *   - called by assertions
+ *   - action could be HALT or reboot
+ */
+void hal_failed (void);
+
+#ifndef OSTICKS_PER_SEC
+#define OSTICKS_PER_SEC 16384
+#elif OSTICKS_PER_SEC < 10000 || OSTICKS_PER_SEC > 64516
+#error Illegal OSTICKS_PER_SEC - must be in range [10000:64516]. One tick must be 15.5us .. 100us long.
+#endif
+
+#endif // _hal_hpp_

diff -r 0faa1bb768b5 -r 671d85a0f15b radio.cpp
--- a/radio.cpp	Wed Oct 21 01:03:34 2015 +0000
+++ b/radio.cpp	Tue Feb 09 00:28:59 2016 +0000
@@ -397,7 +397,7 @@
     writeReg(RegFrfLsb, (u1_t)(frf>> 0));
 }
 
-DigitalOut pd2(PD_2);   // power amplifier voltage control pin
+//DigitalOut pd2(PTC1);   // power amplifier voltage control pin *** TODO ***
 
 /*     pd2=0   pd2=1
 op pab  rfo     rfo
@@ -444,7 +444,7 @@
     if (LMIC.txpow > 19) {
         PaSelect = 0x00;    // use RFO
         writeReg(RegPaConfig, PaSelect | rfo_table[LMIC.txpow-20]);
-        pd2 = 0;
+//        pd2 = 0;
     } else {
         PaSelect = 0x80;    // use PA_BOOST 
         writeReg(RegPaConfig, PaSelect | boost_table[LMIC.txpow]);