# HG changeset patch
# User Ethan Zonca <ez@ethanzonca.com>
# Date 2016-10-12 23:03:30
# Node ID bb703e19f2428ccf05763bb58fc1552022ffc472
# Parent  736f2e74e445cf384d5fc526b32d4bc627cfc249

Add link-time optimization; enable RTC and actually use power-saving mode on idle

diff --git a/Makefile b/Makefile
--- a/Makefile
+++ b/Makefile
@@ -11,7 +11,7 @@
 BUILD_NUMBER ?= 0
 
 # SOURCES: list of sources in the user application
-SOURCES = main.c  adc.c gpio.c i2c.c interrupts.c uart.c  gps.c system_stm32f0xx.c system.c wspr.c
+SOURCES = main.c  adc.c gpio.c i2c.c interrupts.c uart.c  gps.c system_stm32f0xx.c system.c wspr.c rtc.c
 # TARGET: name of the user application
 TARGET = wsprhab-b$(BUILD_NUMBER)
 
@@ -38,11 +38,11 @@ JTENCODE_INCLUDES = -Ilib/jtencode
 
 # USER_CFLAGS: user C flags (enable warnings, enable debug info)
 USER_CFLAGS = -Wall -g -ffunction-sections -fdata-sections -Os -fno-common --function-sections -fdata-sections 
-#USER_CFLAGS += -flto
+USER_CFLAGS += -flto
 
 # USER_LDFLAGS:  user LD flags
 USER_LDFLAGS = -fno-exceptions -ffunction-sections -fdata-sections -Wl,--gc-sections 
-#USER_LDFLAGS += -flto
+USER_LDFLAGS += -flto
 USER_LDFLAGS += --static
 #USER_LDFLAGS += -nostartfiles 
 
diff --git a/inc/gpio.h b/inc/gpio.h
--- a/inc/gpio.h
+++ b/inc/gpio.h
@@ -8,7 +8,7 @@ enum _blinkrate
 {
     BLINK_FAST = 50,
     BLINK_MED = 250, 
-    BLINK_SLOW = 500
+    BLINK_SLOW = 1000
 };
 
 
diff --git a/inc/rtc.h b/inc/rtc.h
new file mode 100644
--- /dev/null
+++ b/inc/rtc.h
@@ -0,0 +1,7 @@
+#ifndef __rtc_H
+#define __rtc_H
+
+
+void rtc_init(void);
+
+#endif /*__ rtc_H */
diff --git a/inc/stm32f0xx_hal_conf.h b/inc/stm32f0xx_hal_conf.h
--- a/inc/stm32f0xx_hal_conf.h
+++ b/inc/stm32f0xx_hal_conf.h
@@ -25,7 +25,7 @@
 //#define HAL_LCD_MODULE_ENABLED   
 //#define HAL_LPTIM_MODULE_ENABLED   
 //#define HAL_RNG_MODULE_ENABLED   
-//#define HAL_RTC_MODULE_ENABLED   
+#define HAL_RTC_MODULE_ENABLED   
 //#define HAL_SPI_MODULE_ENABLED   
 #define HAL_TIM_MODULE_ENABLED   
 #define HAL_UART_MODULE_ENABLED
diff --git a/src/main.c b/src/main.c
--- a/src/main.c
+++ b/src/main.c
@@ -9,6 +9,7 @@
 #include "uart.h"
 #include "gpio.h"
 #include "wspr.h"
+#include "rtc.h"
 #include "gps.h"
 
 
@@ -34,6 +35,7 @@ int main(void)
     HAL_Init();
 
     sysclk_init();
+    rtc_init();
     gpio_init();
     adc_init();
     i2c_init();
@@ -97,6 +99,7 @@ int main(void)
             case SYSTEM_IDLE:
             {
                 blink_rate = BLINK_SLOW;
+                HAL_PWR_EnterSLEEPMode(0, PWR_SLEEPENTRY_WFI);
                 // Wait for RTC wakeup interrupt
                 //wfi();
                 //enter_sleep();
@@ -117,7 +120,8 @@ int main(void)
                     gps_poweron(); // power on and initialize GPS module
                 }
 
-                if(gps_getdata()->fixtype > 0 && gps_getdata()->pdop < 5)
+                // If 3d fix with a decent enough precision
+                if( ((gps_getdata()->fixtype == 2) || (gps_getdata()->fixtype == 3)) && gps_getdata()->pdop < 10)
                 {
                     // Disable GPS module
                     gps_poweroff();
@@ -130,11 +134,13 @@ int main(void)
                     fix_acq_starttime = 0;
                     state = SYSTEM_WSPRTX;
                 }
-                // If no fix in 2 minutes
-                else if(HAL_GetTick() - fix_acq_starttime > 120000)
+                // If no decent fix in 3 minutes
+                else if(HAL_GetTick() - fix_acq_starttime > 60000 * 3)
                 {
-                	  // Flash error code and go to idle probably? or just try forever?
+                	// Flash error code and go to idle, try again next time
                 	led_blink(4);
+                    gps_poweroff();
+                	state = SYSTEM_IDLE;
                 }
             } break;
 
diff --git a/src/rtc.c b/src/rtc.c
new file mode 100644
--- /dev/null
+++ b/src/rtc.c
@@ -0,0 +1,76 @@
+//
+// RTC: configure real-time clock
+//
+
+#include "stm32f0xx_hal.h"
+#include "rtc.h"
+
+
+RTC_HandleTypeDef hrtc;
+
+static void Error_Handler(void)
+{
+	volatile crap = 1;
+}
+
+// Initialize RTC
+void rtc_init(void)
+{
+        __HAL_RCC_RTC_ENABLE();
+
+    
+  RTC_TimeTypeDef sTime;
+  RTC_DateTypeDef sDate;
+  RTC_AlarmTypeDef sAlarm;
+
+  hrtc.Instance = RTC;
+  hrtc.Init.HourFormat = RTC_HOURFORMAT_24;
+  hrtc.Init.AsynchPrediv = 127;
+  hrtc.Init.SynchPrediv = 255;
+  hrtc.Init.OutPut = RTC_OUTPUT_DISABLE;
+  hrtc.Init.OutPutPolarity = RTC_OUTPUT_POLARITY_HIGH;
+  hrtc.Init.OutPutType = RTC_OUTPUT_TYPE_OPENDRAIN;
+  if (HAL_RTC_Init(&hrtc) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sTime.Hours = 0x0;
+  sTime.Minutes = 0x0;
+  sTime.Seconds = 0x0;
+  sTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+  sTime.StoreOperation = RTC_STOREOPERATION_RESET;
+  if (HAL_RTC_SetTime(&hrtc, &sTime, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+  sDate.WeekDay = RTC_WEEKDAY_MONDAY;
+  sDate.Month = RTC_MONTH_JANUARY;
+  sDate.Date = 0x1;
+  sDate.Year = 0x0;
+
+  if (HAL_RTC_SetDate(&hrtc, &sDate, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+    /**Enable the Alarm A 
+    */
+  sAlarm.AlarmTime.Hours = 0x0;
+  sAlarm.AlarmTime.Minutes = 0x0;
+  sAlarm.AlarmTime.Seconds = 0x0;
+  sAlarm.AlarmTime.SubSeconds = 0x0;
+  sAlarm.AlarmTime.DayLightSaving = RTC_DAYLIGHTSAVING_NONE;
+  sAlarm.AlarmTime.StoreOperation = RTC_STOREOPERATION_RESET;
+  sAlarm.AlarmMask = RTC_ALARMMASK_NONE;
+  sAlarm.AlarmSubSecondMask = RTC_ALARMSUBSECONDMASK_ALL;
+  sAlarm.AlarmDateWeekDaySel = RTC_ALARMDATEWEEKDAYSEL_DATE;
+  sAlarm.AlarmDateWeekDay = 0x1;
+  sAlarm.Alarm = RTC_ALARM_A;
+  if (HAL_RTC_SetAlarm(&hrtc, &sAlarm, RTC_FORMAT_BCD) != HAL_OK)
+  {
+    Error_Handler();
+  }
+
+}
diff --git a/src/system.c b/src/system.c
--- a/src/system.c
+++ b/src/system.c
@@ -32,11 +32,12 @@ void sysclk_init(void)
     RCC_ClkInitTypeDef RCC_ClkInitStruct;
     RCC_PeriphCLKInitTypeDef PeriphClkInit;
 
-    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14;
+    RCC_OscInitStruct.OscillatorType = RCC_OSCILLATORTYPE_HSI|RCC_OSCILLATORTYPE_HSI14|RCC_OSCILLATORTYPE_LSI;
     RCC_OscInitStruct.HSIState = RCC_HSI_ON;
     RCC_OscInitStruct.HSI14State = RCC_HSI14_ON;
     RCC_OscInitStruct.HSICalibrationValue = 16;
     RCC_OscInitStruct.HSI14CalibrationValue = 16;
+    RCC_OscInitStruct.LSIState = RCC_LSI_ON;
     RCC_OscInitStruct.PLL.PLLState = RCC_PLL_NONE;
     HAL_RCC_OscConfig(&RCC_OscInitStruct);
 
@@ -50,6 +51,7 @@ void sysclk_init(void)
     PeriphClkInit.PeriphClockSelection = RCC_PERIPHCLK_USART1|RCC_PERIPHCLK_I2C1;
     PeriphClkInit.Usart1ClockSelection = RCC_USART1CLKSOURCE_SYSCLK; //RCC_USART1CLKSOURCE_PCLK1;
     PeriphClkInit.I2c1ClockSelection = RCC_I2C1CLKSOURCE_SYSCLK;
+    PeriphClkInit.RTCClockSelection = RCC_RTCCLKSOURCE_LSI;
     HAL_RCCEx_PeriphCLKConfig(&PeriphClkInit);
 
     HAL_SYSTICK_Config(HAL_RCC_GetHCLKFreq()/1000);
diff --git a/wsprhab.ioc b/wsprhab.ioc
--- a/wsprhab.ioc
+++ b/wsprhab.ioc
@@ -35,16 +35,18 @@ Mcu.IP1=DMA
 Mcu.IP2=I2C1
 Mcu.IP3=NVIC
 Mcu.IP4=RCC
-Mcu.IP5=SYS
-Mcu.IP6=USART1
-Mcu.IPNb=7
+Mcu.IP5=RTC
+Mcu.IP6=SYS
+Mcu.IP7=USART1
+Mcu.IPNb=8
 Mcu.Name=STM32F031G(4-6)Ux
 Mcu.Package=UFQFPN28
 Mcu.Pin0=PF0-OSC_IN
 Mcu.Pin1=PF1-OSC_OUT
 Mcu.Pin10=PB6
 Mcu.Pin11=PB7
-Mcu.Pin12=VP_SYS_VS_Systick
+Mcu.Pin12=VP_RTC_VS_RTC_Alarm_A_Intern
+Mcu.Pin13=VP_SYS_VS_Systick
 Mcu.Pin2=PA1
 Mcu.Pin3=PA6
 Mcu.Pin4=PB0
@@ -53,14 +55,16 @@ Mcu.Pin6=PA9
 Mcu.Pin7=PA10
 Mcu.Pin8=PA13
 Mcu.Pin9=PA14
-Mcu.PinsNb=13
+Mcu.PinsNb=14
 Mcu.UserConstants=
 Mcu.UserName=STM32F031G6Ux
-MxCube.Version=4.14.0
-MxDb.Version=DB.4.0.140
+MxCube.Version=4.16.0
+MxDb.Version=DB.4.0.160
 NVIC.DMA1_Channel2_3_IRQn=true\:0\:0\:false\:false\:true
 NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:false
 NVIC.NonMaskableInt_IRQn=true\:0\:0\:false\:false\:false
+NVIC.PendSV_IRQn=true\:0\:0\:false\:false\:false
+NVIC.SVC_IRQn=true\:0\:0\:false\:false\:false
 NVIC.SysTick_IRQn=true\:0\:0\:false\:false\:true
 NVIC.USART1_IRQn=true\:0\:0\:false\:false\:true
 PA1.GPIOParameters=GPIO_ModeDefaultEXTI
@@ -71,32 +75,32 @@ PA10.Locked=true
 PA10.Mode=I2C
 PA10.Signal=I2C1_SDA
 PA13.Locked=true
-PA13.Mode=Serial-WireDebug
+PA13.Mode=Serial_Wire
 PA13.Signal=SYS_SWDIO
-PA14.Mode=Serial-WireDebug
+PA14.Mode=Serial_Wire
 PA14.Signal=SYS_SWCLK
-PA6.GPIOParameters=GPIO_Label,GPIO_PuPd,GPIO_Mode
+PA6.GPIOParameters=GPIO_PuPd,GPIO_Label,GPIO_Mode
 PA6.GPIO_Label=VBATT_SENSE
 PA6.GPIO_Mode=GPIO_MODE_ANALOG
 PA6.GPIO_PuPd=GPIO_NOPULL
 PA6.Locked=true
 PA6.Mode=IN6
 PA6.Signal=ADC_IN6
-PA8.GPIOParameters=GPIO_ModeDefaultOutputPP,GPIO_Label,GPIO_Speed,GPIO_PuPd
+PA8.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultOutputPP
 PA8.GPIO_Label=TCXO-EN
 PA8.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_PP
 PA8.GPIO_PuPd=GPIO_NOPULL
-PA8.GPIO_Speed=GPIO_SPEED_LOW
+PA8.GPIO_Speed=GPIO_SPEED_FREQ_LOW
 PA8.Locked=true
 PA8.Signal=GPIO_Output
 PA9.Locked=true
 PA9.Mode=I2C
 PA9.Signal=I2C1_SCL
-PB0.GPIOParameters=GPIO_ModeDefaultOutputPP,GPIO_Label,GPIO_Speed,GPIO_PuPd
+PB0.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultOutputPP
 PB0.GPIO_Label=LED_BLUE
 PB0.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_PP
 PB0.GPIO_PuPd=GPIO_NOPULL
-PB0.GPIO_Speed=GPIO_SPEED_LOW
+PB0.GPIO_Speed=GPIO_SPEED_FREQ_LOW
 PB0.Locked=true
 PB0.Signal=GPIO_Output
 PB6.Locked=true
@@ -117,24 +121,24 @@ PCC.Battery.SelfDischarge=0.12
 PCC.Checker=false
 PCC.Line=STM32F0x1
 PCC.MCU=STM32F031G(4-6)Ux
-PCC.MXVersion=4.14.0
+PCC.MXVersion=4.16.0
 PCC.PartNumber=STM32F031G6Ux
 PCC.Seq0=0
 PCC.Series=STM32F0
 PCC.Temperature=25
 PCC.Vdd=3.6
-PF0-OSC_IN.GPIOParameters=GPIO_ModeDefaultOutputPP,GPIO_Label,GPIO_Speed,GPIO_PuPd
+PF0-OSC_IN.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultOutputPP
 PF0-OSC_IN.GPIO_Label=GPS_EN
 PF0-OSC_IN.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_PP
 PF0-OSC_IN.GPIO_PuPd=GPIO_NOPULL
-PF0-OSC_IN.GPIO_Speed=GPIO_SPEED_LOW
+PF0-OSC_IN.GPIO_Speed=GPIO_SPEED_FREQ_LOW
 PF0-OSC_IN.Locked=true
 PF0-OSC_IN.Signal=GPIO_Output
-PF1-OSC_OUT.GPIOParameters=GPIO_ModeDefaultOutputPP,GPIO_Label,GPIO_Speed,GPIO_PuPd
+PF1-OSC_OUT.GPIOParameters=GPIO_Speed,GPIO_PuPd,GPIO_Label,GPIO_ModeDefaultOutputPP
 PF1-OSC_OUT.GPIO_Label=OSC_EN
 PF1-OSC_OUT.GPIO_ModeDefaultOutputPP=GPIO_MODE_OUTPUT_PP
 PF1-OSC_OUT.GPIO_PuPd=GPIO_NOPULL
-PF1-OSC_OUT.GPIO_Speed=GPIO_SPEED_LOW
+PF1-OSC_OUT.GPIO_Speed=GPIO_SPEED_FREQ_LOW
 PF1-OSC_OUT.Locked=true
 PF1-OSC_OUT.Signal=GPIO_Output
 ProjectManager.AskForMigrate=true
@@ -144,7 +148,7 @@ ProjectManager.ComputerToolchain=false
 ProjectManager.CoupleFile=true
 ProjectManager.DeletePrevious=true
 ProjectManager.DeviceId=STM32F031G6Ux
-ProjectManager.FirmwarePackage=STM32Cube FW_F0 V1.5.0
+ProjectManager.FirmwarePackage=STM32Cube FW_F0 V1.6.0
 ProjectManager.FreePins=true
 ProjectManager.HalAssertFull=false
 ProjectManager.HeapSize=0x200
@@ -159,12 +163,12 @@ ProjectManager.StackSize=0x400
 ProjectManager.TargetToolchain=TrueSTUDIO
 ProjectManager.ToolChainLocation=
 ProjectManager.UnderRoot=false
-ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false,2-MX_DMA_Init-DMA-false,3-MX_ADC_Init-ADC-false,4-MX_I2C1_Init-I2C1-false,5-MX_USART1_UART_Init-USART1-false
+ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false,2-MX_DMA_Init-DMA-false,3-MX_ADC_Init-ADC-false,4-MX_I2C1_Init-I2C1-false,5-MX_USART1_UART_Init-USART1-false,6-MX_RTC_Init-RTC-false
 RCC.DATA_CACHE_ENABLE=1
 RCC.FamilyName=M
 RCC.I2c1ClockSelection=RCC_I2C1CLKSOURCE_SYSCLK
 RCC.INSTRUCTION_CACHE_ENABLE=1
-RCC.IPParameters=VDD_VALUE,FamilyName,PLLMCOFreq_Value,DATA_CACHE_ENABLE,INSTRUCTION_CACHE_ENABLE,PLLCLKFreq_Value,TimSysFreq_Value,I2c1ClockSelection,Usart1ClockSelection
+RCC.IPParameters=DATA_CACHE_ENABLE,FamilyName,I2c1ClockSelection,INSTRUCTION_CACHE_ENABLE,PLLCLKFreq_Value,PLLMCOFreq_Value,TimSysFreq_Value,Usart1ClockSelection,VDD_VALUE
 RCC.PLLCLKFreq_Value=8000000
 RCC.PLLMCOFreq_Value=8000000
 RCC.TimSysFreq_Value=8000000
@@ -176,6 +180,8 @@ USART1.BaudRate=9600
 USART1.DMADisableonRxErrorParam=UART_ADVFEATURE_DMA_DISABLEONRXERROR
 USART1.IPParameters=BaudRate,OverrunDisableParam,DMADisableonRxErrorParam
 USART1.OverrunDisableParam=UART_ADVFEATURE_OVERRUN_DISABLE
+VP_RTC_VS_RTC_Alarm_A_Intern.Mode=Alarm A
+VP_RTC_VS_RTC_Alarm_A_Intern.Signal=RTC_VS_RTC_Alarm_A_Intern
 VP_SYS_VS_Systick.Mode=SysTick
 VP_SYS_VS_Systick.Signal=SYS_VS_Systick
 board=wsprhab