Add Gnat variant

boards.txt

@@ -217,6 +217,65 @@ Cicada-L082CZ.menu.opt.o3.build.flags.optimize=-O3
 Cicada-L082CZ.menu.opt.o3.build.flags.ldspecs=
 
 
+# Tlera Gnat
+# ---------------------------------------
+Gnat-L082CZ.name=Gnat-L082CZ
+Gnat-L082CZ.vid.0=0x1209
+Gnat-L082CZ.pid.0=0x6662
+
+Gnat-L082CZ.upload.tool=stm32l0_dfu
+Gnat-L082CZ.upload.protocol=dfu
+Gnat-L082CZ.upload.maximum_size=196608
+Gnat-L082CZ.upload.maximum_data_size=20480
+Gnat-L082CZ.upload.use_1200bps_touch=true
+Gnat-L082CZ.upload.wait_for_upload_port=false
+Gnat-L082CZ.upload.native_usb=false
+
+Gnat-L082CZ.build.mcu=cortex-m0plus
+Gnat-L082CZ.build.f_cpu=32000000L
+Gnat-L082CZ.build.board=STM32L0_GNAT
+Gnat-L082CZ.build.arch=stm32l0
+Gnat-L082CZ.build.core=arduino
+Gnat-L082CZ.build.vid=0x1209
+Gnat-L082CZ.build.pid=0x6662
+Gnat-L082CZ.build.did=0xffff
+Gnat-L082CZ.build.usb_manufacturer="Tlera Corporation"
+Gnat-L082CZ.build.usb_product="Gnat"
+Gnat-L082CZ.build.extra_flags=-DSTM32L082xx -march=armv6-m -mthumb -mabi=aapcs -mfloat-abi=soft -fsingle-precision-constant {build.usb_flags}
+Gnat-L082CZ.build.ldscript=linker_scripts/STM32L082CZ_FLASH.ld
+Gnat-L082CZ.build.openocdscript=openocd_scripts/gnat-l082cz.cfg
+Gnat-L082CZ.build.variant=Gnat-L082CZ
+Gnat-L082CZ.build.variant_system_libs="-L{runtime.platform.path}/system/STM32L0xx/Lib" "-L{runtime.platform.path}/system/CMSIS/Lib" -lstm32l082xx -larm_cortexM0l_math
+Gnat-L082CZ.build.variant_system_include="-I{runtime.platform.path}/system/CMSIS/Include" "-I{runtime.platform.path}/system/CMSIS/Device/ST/STM32L0xx/Include" "-I{runtime.platform.path}/system/STM32L0xx/Include" 
+
+Gnat-L082CZ.menu.usb.cdc=Serial
+Gnat-L082CZ.menu.usb.cdc.build.usb_type=USB_TYPE_CDC
+Gnat-L082CZ.menu.usb.cdc_hid=Serial + Keyboard + Mouse
+Gnat-L082CZ.menu.usb.cdc_hid.build.usb_type=USB_TYPE_CDC_HID
+Gnat-L082CZ.menu.usb.none=No USB
+Gnat-L082CZ.menu.usb.none.build.usb_type=USB_TYPE_NONE
+
+Gnat-L082CZ.menu.speed.32=32 MHz
+Gnat-L082CZ.menu.speed.32.build.f_cpu=32000000L
+Gnat-L082CZ.menu.speed.16=16 MHz (No USB)
+Gnat-L082CZ.menu.speed.16.build.f_cpu=16000000L
+Gnat-L082CZ.menu.speed.4=4.2 MHz (No USB)
+Gnat-L082CZ.menu.speed.4.build.f_cpu=4200000L
+
+Gnat-L082CZ.menu.opt.os=Smallest Code
+Gnat-L082CZ.menu.opt.os.build.flags.optimize=-Os
+Gnat-L082CZ.menu.opt.os.build.flags.ldspecs=--specs=nano.specs
+Gnat-L082CZ.menu.opt.o1=Fast
+Gnat-L082CZ.menu.opt.o1.build.flags.optimize=-O1
+Gnat-L082CZ.menu.opt.o1.build.flags.ldspecs=
+Gnat-L082CZ.menu.opt.o2=Faster
+Gnat-L082CZ.menu.opt.o2.build.flags.optimize=-O2
+Gnat-L082CZ.menu.opt.o2.build.flags.ldspecs=
+Gnat-L082CZ.menu.opt.o3=Fastest
+Gnat-L082CZ.menu.opt.o3.build.flags.optimize=-O3
+Gnat-L082CZ.menu.opt.o3.build.flags.ldspecs=
+
+
 # ST B-L072Z-LRWAN1
 # ---------------------------------------
 B-L072Z-LRWAN1.name=B-L072Z-LRWAN1

drivers/linux/49-gnat.rules

@@ -0,0 +1,6 @@
+ATTRS{idVendor}=="1209", ATTRS{idProduct}=="6662", ENV{ID_MM_DEVICE_IGNORE}="1"
+ATTRS{idVendor}=="1209", ATTRS{idProduct}=="6662", ENV{MTP_NO_PROBE}="1"
+ATTRS{idVendor}=="1209", ATTRS{idProduct}=="6662", ENV{UDISKS_AUTO}="0"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="1209", ATTRS{idProduct}=="6662", MODE:="0666"
+KERNEL=="ttyACM*", ATTRS{idVendor}=="1209", ATTRS{idProduct}=="6662", MODE:="0666"
+SUBSYSTEMS=="usb", ATTRS{idVendor}=="0483", ATTRS{idProduct}=="df11", MODE:="0666"

drivers/windows/gnat-cdc-acm.inf

@@ -0,0 +1,102 @@
+;************************************************************
+; Windows USB CDC ACM Setup File
+; Copyright (c) 2000 Microsoft Corporation
+
+
+[Version]
+Signature="$Windows NT$"
+Class=Ports
+ClassGuid={4D36E978-E325-11CE-BFC1-08002BE10318}
+Provider=%MFGNAME%
+LayoutFile=layout.inf
+CatalogFile=%MFGFILENAME%.cat
+DriverVer=11/15/2007,5.1.2600.0
+
+[Manufacturer]
+%MFGNAME%=DeviceList, NTamd64
+
+[DestinationDirs]
+DefaultDestDir=12
+
+
+;------------------------------------------------------------------------------
+;  Windows 2000/XP/Vista-32bit Sections
+;------------------------------------------------------------------------------
+
+[DriverInstall.nt]
+include=mdmcpq.inf
+CopyFiles=DriverCopyFiles.nt
+AddReg=DriverInstall.nt.AddReg
+
+[DriverCopyFiles.nt]
+usbser.sys,,,0x20
+
+[DriverInstall.nt.AddReg]
+HKR,,DevLoader,,*ntkern
+HKR,,NTMPDriver,,usbser.sys
+HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
+
+[DriverInstall.nt.Services]
+AddService=usbser, 0x00000002, DriverService.nt
+
+[DriverService.nt]
+DisplayName=%SERVICE%
+ServiceType=1
+StartType=3
+ErrorControl=1
+ServiceBinary=%12%\usbser.sys
+
+;------------------------------------------------------------------------------
+;  Vista-64bit Sections
+;------------------------------------------------------------------------------
+
+[DriverInstall.NTamd64]
+include=mdmcpq.inf
+CopyFiles=DriverCopyFiles.NTamd64
+AddReg=DriverInstall.NTamd64.AddReg
+
+[DriverCopyFiles.NTamd64]
+usbser.sys,,,0x20
+
+[DriverInstall.NTamd64.AddReg]
+HKR,,DevLoader,,*ntkern
+HKR,,NTMPDriver,,usbser.sys
+HKR,,EnumPropPages32,,"MsPorts.dll,SerialPortPropPageProvider"
+
+[DriverInstall.NTamd64.Services]
+AddService=usbser, 0x00000002, DriverService.NTamd64
+
+[DriverService.NTamd64]
+DisplayName=%SERVICE%
+ServiceType=1
+StartType=3
+ErrorControl=1
+ServiceBinary=%12%\usbser.sys
+
+
+;------------------------------------------------------------------------------
+;  Vendor and Product ID Definitions
+;------------------------------------------------------------------------------
+; When developing your USB device, the VID and PID used in the PC side
+; application program and the firmware on the microcontroller must match.
+; Modify the below line to use your VID and PID.  Use the format as shown below.
+; Note: One INF file can be used for multiple devices with different VID and PIDs.
+; For each supported device, append ",USB\VID_xxxx&PID_yyyy" to the end of the line.
+;------------------------------------------------------------------------------
+[SourceDisksFiles]
+[SourceDisksNames]
+[DeviceList]
+%DESCRIPTION%=DriverInstall, USB\VID_1209&PID_6662&MI_00, USB\VID_1209&PID_6662&MI_01
+
+[DeviceList.NTamd64]
+%DESCRIPTION%=DriverInstall, USB\VID_1209&PID_6662&MI_00, USB\VID_1209&PID_6662&MI_01
+
+;------------------------------------------------------------------------------
+;  String Definitions
+;------------------------------------------------------------------------------
+;Modify these strings to customize your device
+;------------------------------------------------------------------------------
+[Strings]
+MFGNAME="Tlera Corporation"
+DESCRIPTION="Cicada Virtual Serial Port"
+SERVICE="USB Serial Driver"

libraries/GNSS/src/GNSS.cpp

@@ -334,6 +334,11 @@ void GNSSClass::begin(Uart &uart, GNSSmode mode, GNSSrate rate)
         (gnss_satellites_callback_t)&GNSSClass::satellitesCallback,
     };
 
+#if defined(STM32L0_CONFIG_PIN_GNSS_BACKUP)
+    stm32l0_gpio_pin_configure(STM32L0_CONFIG_PIN_GNSS_BACKUP, (STM32L0_GPIO_PARK_NONE | STM32L0_GPIO_PUPD_PULLUP | STM32L0_GPIO_OSPEED_LOW | STM32L0_GPIO_OTYPE_PUSHPULL | STM32L0_GPIO_MODE_OUTPUT));
+    stm32l0_gpio_pin_write(STM32L0_CONFIG_PIN_GNSS_BACKUP, 1);
+#endif /* defined(STM32L0_CONFIG_PIN_GNSS_BACKUP) */
+
 #if defined(STM32L0_CONFIG_PIN_GNSS_ENABLE)
     stm32l0_gpio_pin_configure(STM32L0_CONFIG_PIN_GNSS_RX, (STM32L0_GPIO_PARK_NONE | STM32L0_GPIO_PUPD_PULLDOWN | STM32L0_GPIO_OSPEED_LOW | STM32L0_GPIO_OTYPE_PUSHPULL | STM32L0_GPIO_MODE_INPUT));
     stm32l0_gpio_pin_configure(STM32L0_CONFIG_PIN_GNSS_TX, (STM32L0_GPIO_PARK_NONE | STM32L0_GPIO_PUPD_PULLUP | STM32L0_GPIO_OSPEED_LOW | STM32L0_GPIO_OTYPE_PUSHPULL | STM32L0_GPIO_MODE_OUTPUT));
@@ -379,12 +384,20 @@ void GNSSClass::end()
         _uart->end();
 
         _uart = NULL;
+
+#if defined(STM32L0_CONFIG_PIN_GNSS_BACKUP)
+	stm32l0_gpio_pin_configure(STM32L0_CONFIG_PIN_GNSS_BACKUP, (STM32L0_GPIO_PARK_NONE | STM32L0_GPIO_MODE_ANALOG));
+#endif /* defined(STM32L0_CONFIG_PIN_GNSS_BACKUP) */
     }
 }
 
 bool GNSSClass::setAntenna(GNSSantenna antenna)
 {
+#if defined(STM32L0_CONFIG_GNSS_ANT_SWITCH)
     return (_uart && gnss_set_antenna(antenna));
+#else /* STM32L0_CONFIG_GNSS_ANT_SWITCH */
+    return false;
+#endif /* STM32L0_CONFIG_GNSS_ANT_SWITCH */
 }
 
 bool GNSSClass::setPPS(unsigned int width)

variants/Cicada-L082CZ/variant.h

@@ -26,8 +26,8 @@
  * WITH THE SOFTWARE.
  */
 
-#ifndef _VARIANT_CRICKET_STM32L082CZ_
-#define _VARIANT_CRICKET_STM32L082CZ_
+#ifndef _VARIANT_CICADA_STM32L082CZ_
+#define _VARIANT_CICADA_STM32L082CZ_
 
 /*----------------------------------------------------------------------------
  *        Definitions
@@ -198,4 +198,4 @@ extern Uart Serial3;
 // Alias Serial to SerialUSB
 #define Serial                      SerialUSB
 
-#endif /* _VARIANT_CRICKET_STM32L082CZ_ */
+#endif /* _VARIANT_CICADA_STM32L082CZ_ */

variants/Cricket-L082CZ/variant.h

@@ -48,6 +48,7 @@
 #define STM32L0_CONFIG_PIN_GNSS_PPS       STM32L0_GPIO_PIN_PB7
 #define STM32L0_CONFIG_PIN_GNSS_RX        STM32L0_GPIO_PIN_PA10_USART1_RX
 #define STM32L0_CONFIG_PIN_GNSS_TX        STM32L0_GPIO_PIN_PA9_USART1_TX
+#define STM32L0_CONFIG_GNSS_ANT_SWITCH    1
 
 #define STM32L0_CONFIG_SFLASH_DATA_START  (256 * 1024)