New board Discovery L475VG IOT

boards.txt

@@ -301,6 +301,20 @@ Disco.menu.board_part_num.DISCO_F746NG.build.product_line=STM32F746xx
 Disco.menu.board_part_num.DISCO_F746NG.build.variant=DISCO_F746NG
 Disco.menu.board_part_num.DISCO_F746NG.build.cmsis_lib_gcc=arm_cortexM7l_math
 
+# DISCO_L475VG_IOT board
+# Support: USB HID, Serial1 (USART1 on PA1, PA0)
+Disco.menu.board_part_num.DISCO_L475VG_IOT=STM32L475VG-DISCOVERY-IOT
+Disco.menu.board_part_num.DISCO_L475VG_IOT.node=DIS_L4IOT
+Disco.menu.board_part_num.DISCO_L475VG_IOT.upload.maximum_size=1048576
+Disco.menu.board_part_num.DISCO_L475VG_IOT.upload.maximum_data_size=98304
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.mcu=cortex-m4
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.f_cpu=80000000L
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.board=DISCO_L475VG_IOT
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.series=STM32L4xx
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.product_line=STM32L475xx
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.variant=DISCO_L475VG_IOT
+Disco.menu.board_part_num.DISCO_L475VG_IOT.build.cmsis_lib_gcc=arm_cortexM4l_math
+
 # Upload menu
 Disco.menu.upload_method.MassStorageMethod=Mass Storage
 Disco.menu.upload_method.MassStorageMethod.upload.protocol=

cores/arduino/stm32/PeripheralPins.h

@@ -68,5 +68,8 @@ extern const PinMap PinMap_CAN_TD[];
 //*** ETHERNET ***
 extern const PinMap PinMap_Ethernet[];
 
+//*** QUADSPI ***
+extern const PinMap PinMap_QUADSPI[];
+
 #endif
 

cores/arduino/stm32/usbd_hid_composite.c

@@ -369,6 +369,7 @@ __ALIGN_BEGIN static uint8_t HID_KEYBOARD_ReportDesc[HID_KEYBOARD_REPORT_DESC_SI
 static uint8_t  USBD_HID_Init (USBD_HandleTypeDef *pdev,
                                uint8_t cfgidx)
 {
+  UNUSED(cfgidx);
   uint8_t ret = 0;
 
   /* Open EP IN */
@@ -407,6 +408,7 @@ static uint8_t  USBD_HID_Init (USBD_HandleTypeDef *pdev,
 static uint8_t  USBD_HID_DeInit (USBD_HandleTypeDef *pdev,
                                  uint8_t cfgidx)
 {
+  UNUSED(cfgidx);
   /* Close HID EPs */
   USBD_LL_CloseEP(pdev,
                   HID_MOUSE_EPIN_ADDR);

libraries/SPI/src/SPI.cpp

@@ -318,6 +318,31 @@ void SPIClass::transfer(uint8_t _pin, void *_buf, size_t _count, SPITransferMode
     digitalWrite(_pin, HIGH);
 }
 
+void SPIClass::transfer(byte _pin, void *_bufout, void *_bufin, size_t _count, SPITransferMode _mode)
+{
+  if ((_count == 0) || (_bufout == NULL) || (_bufin == NULL)  || (_pin > NUM_DIGITAL_PINS))
+    return;
+
+  if(_pin != _CSpin) {
+    uint8_t idx = pinIdx(_pin, GET_IDX);
+    if(idx == NB_SPI_SETTINGS) {
+      return;
+    }
+    spi_init(&_spi, spiSettings[idx].clk,
+                    spiSettings[idx].dMode,
+                    spiSettings[idx].msb);
+    _CSpin = _pin;
+  }
+
+  if((_pin != CS_PIN_CONTROLLED_BY_USER) && (_spi.pin_ssel == NC))
+    digitalWrite(_pin, LOW);
+
+  spi_transfer(&_spi, ((uint8_t*)_bufout), ((uint8_t*)_bufin), _count, SPI_TRANSFER_TIMEOUT);
+
+  if((_pin != CS_PIN_CONTROLLED_BY_USER) && (_mode == SPI_LAST) && (_spi.pin_ssel == NC))
+    digitalWrite(_pin, HIGH);
+}
+
 void SPIClass::attachInterrupt(void) {
 	// Should be enableInterrupt()
 }

libraries/SPI/src/SPI.h

@@ -114,6 +114,7 @@ class SPIClass {
     byte transfer(uint8_t pin, uint8_t _data, SPITransferMode _mode = SPI_LAST);
     uint16_t transfer16(uint8_t pin, uint16_t _data, SPITransferMode _mode = SPI_LAST);
     void transfer(uint8_t pin, void *_buf, size_t _count, SPITransferMode _mode = SPI_LAST);
+    void transfer(byte _pin, void *_bufout, void *_bufin, size_t _count, SPITransferMode _mode = SPI_LAST);
 
     // Transfer functions when user controls himself the CS pin.
     byte transfer(uint8_t _data, SPITransferMode _mode = SPI_LAST)
@@ -131,6 +132,11 @@ class SPIClass {
       transfer(CS_PIN_CONTROLLED_BY_USER, _buf, _count, _mode);
     }
 
+    void transfer(void *_bufout, void *_bufin, size_t _count, SPITransferMode _mode = SPI_LAST)
+    {
+      transfer(CS_PIN_CONTROLLED_BY_USER, _bufout, _bufin, _count, _mode);
+    }
+
     // Transaction Functions
     void usingInterrupt(uint8_t interruptNumber);
 

variants/DISCO_L475VG_IOT/ldscript.ld

@@ -0,0 +1,201 @@
+/*
+*****************************************************************************
+**
+
+**  File        : LinkerScript.ld
+**
+**  Abstract    : Linker script for STM32L475VGTx Device with
+**                1024KByte FLASH, 128KByte RAM
+**
+**                Set heap size, stack size and stack location according
+**                to application requirements.
+**
+**                Set memory bank area and size if external memory is used.
+**
+**  Target      : STMicroelectronics STM32
+**
+**
+**  Distribution: The file is distributed as is, without any warranty
+**                of any kind.
+**
+*****************************************************************************
+** @attention
+**
+** <h2><center>&copy; COPYRIGHT(c) 2014 Ac6</center></h2>
+**
+** Redistribution and use in source and binary forms, with or without modification,
+** are permitted provided that the following conditions are met:
+**   1. Redistributions of source code must retain the above copyright notice,
+**      this list of conditions and the following disclaimer.
+**   2. Redistributions in binary form must reproduce the above copyright notice,
+**      this list of conditions and the following disclaimer in the documentation
+**      and/or other materials provided with the distribution.
+**   3. Neither the name of Ac6 nor the names of its contributors
+**      may be used to endorse or promote products derived from this software
+**      without specific prior written permission.
+**
+** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+** AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+** IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+** DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+** FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+** DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+** SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+** CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+** OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**
+*****************************************************************************
+*/
+
+/* Entry Point */
+ENTRY(Reset_Handler)
+
+/* Highest address of the user mode stack */
+_estack = 0x20018000;    /* end of RAM */
+/* Generate a link error if heap and stack don't fit into RAM */
+_Min_Heap_Size = 0x200;      /* required amount of heap  */
+_Min_Stack_Size = 0x400; /* required amount of stack */
+
+/* Specify the memory areas */
+MEMORY
+{
+RAM (xrw)      : ORIGIN = 0x20000000, LENGTH = 96K
+RAM2 (xrw)      : ORIGIN = 0x10000000, LENGTH = 32K
+FLASH (rx)      : ORIGIN = 0x8000000, LENGTH = 1024K
+}
+
+/* Define output sections */
+SECTIONS
+{
+  /* The startup code goes first into FLASH */
+  .isr_vector :
+  {
+    . = ALIGN(4);
+    KEEP(*(.isr_vector)) /* Startup code */
+    . = ALIGN(4);
+  } >FLASH
+
+  /* The program code and other data goes into FLASH */
+  .text ALIGN(4):
+  {
+    . = ALIGN(4);
+    *(.text)           /* .text sections (code) */
+    *(.text*)          /* .text* sections (code) */
+    *(.glue_7)         /* glue arm to thumb code */
+    *(.glue_7t)        /* glue thumb to arm code */
+    *(.eh_frame)
+
+    KEEP (*(.init))
+    KEEP (*(.fini))
+
+    . = ALIGN(4);
+    _etext = .;        /* define a global symbols at end of code */
+  } >FLASH
+
+  /* Constant data goes into FLASH */
+  .rodata :
+  {
+    . = ALIGN(4);
+    *(.rodata)         /* .rodata sections (constants, strings, etc.) */
+    *(.rodata*)        /* .rodata* sections (constants, strings, etc.) */
+    . = ALIGN(4);
+  } >FLASH
+
+  .ARM.extab   :
+  {
+  . = ALIGN(4);
+  *(.ARM.extab* .gnu.linkonce.armextab.*)
+  . = ALIGN(4);
+  } >FLASH
+  .ARM : {
+	. = ALIGN(4);
+    __exidx_start = .;
+    *(.ARM.exidx*)
+    __exidx_end = .;
+	. = ALIGN(4);
+  } >FLASH
+
+  .preinit_array     :
+  {
+	. = ALIGN(4);
+    PROVIDE_HIDDEN (__preinit_array_start = .);
+    KEEP (*(.preinit_array*))
+    PROVIDE_HIDDEN (__preinit_array_end = .);
+	. = ALIGN(4);
+  } >FLASH
+
+  .init_array :
+  {
+	. = ALIGN(4);
+    PROVIDE_HIDDEN (__init_array_start = .);
+    KEEP (*(SORT(.init_array.*)))
+    KEEP (*(.init_array*))
+    PROVIDE_HIDDEN (__init_array_end = .);
+	. = ALIGN(4);
+  } >FLASH
+  .fini_array :
+  {
+	. = ALIGN(4);
+    PROVIDE_HIDDEN (__fini_array_start = .);
+    KEEP (*(SORT(.fini_array.*)))
+    KEEP (*(.fini_array*))
+    PROVIDE_HIDDEN (__fini_array_end = .);
+	. = ALIGN(4);
+  } >FLASH
+
+  /* used by the startup to initialize data */
+  _sidata = LOADADDR(.data);
+
+  /* Initialized data sections goes into RAM, load LMA copy after code */
+  .data :
+  {
+    . = ALIGN(4);
+    _sdata = .;        /* create a global symbol at data start */
+    *(.data)           /* .data sections */
+    *(.data*)          /* .data* sections */
+
+    . = ALIGN(4);
+    _edata = .;        /* define a global symbol at data end */
+  } >RAM AT> FLASH
+
+
+  /* Uninitialized data section */
+  . = ALIGN(4);
+  .bss :
+  {
+    /* This is used by the startup in order to initialize the .bss secion */
+    _sbss = .;         /* define a global symbol at bss start */
+    __bss_start__ = _sbss;
+    *(.bss)
+    *(.bss*)
+    *(COMMON)
+
+    . = ALIGN(4);
+    _ebss = .;         /* define a global symbol at bss end */
+    __bss_end__ = _ebss;
+  } >RAM
+
+  /* User_heap_stack section, used to check that there is enough RAM left */
+  ._user_heap_stack :
+  {
+    . = ALIGN(4);
+    PROVIDE ( end = . );
+    PROVIDE ( _end = . );
+    . = . + _Min_Heap_Size;
+    . = . + _Min_Stack_Size;
+    . = ALIGN(4);
+  } >RAM
+
+
+
+  /* Remove information from the standard libraries */
+  /DISCARD/ :
+  {
+    libc.a ( * )
+    libm.a ( * )
+    libgcc.a ( * )
+  }
+
+  .ARM.attributes 0 : { *(.ARM.attributes) }
+}