Merge pull request #97 from fprwi6labs/DISCO_L475VG_IOT

New board Discovery L475VG IOT

Author: VVESTM

README.md

@@ -1,4 +1,4 @@
-# Arduino core support for STM32 based boards 
+# Arduino core support for STM32 based boards
 ### Latest release [![GitHub release](https://img.shields.io/github/release/stm32duino/Arduino_Core_STM32.svg)](https://github.com/stm32duino/Arduino_Core_STM32/releases/latest)
 [![GitHub commits](https://img.shields.io/github/commits-since/stm32duino/Arduino_Core_STM32/2017.8.31.svg)](https://github.com/stm32duino/Arduino_Core_STM32/compare/2017.8.31...master)
 
@@ -8,7 +8,7 @@
 
 ## Getting Started
 
-This repo is available as a package usable with [Arduino Boards Manager](https://www.arduino.cc/en/guide/cores). 
+This repo is available as a package usable with [Arduino Boards Manager](https://www.arduino.cc/en/guide/cores).
 
 For full instructions on using the "**Boards Manager**", see the [Getting Started](https://github.com/stm32duino/wiki/wiki/Getting-Started) page.
 
@@ -50,6 +50,7 @@ For advanced user, you can use the repository: see the [Using git repository](ht
   * STM32L4
     * [Nucleo L432KC](http://www.st.com/en/evaluation-tools/nucleo-l432kc.html)
     * [Nucleo L476RG](http://www.st.com/en/evaluation-tools/nucleo-l476rg.html)
+    * [B-L475E-IOT01A](http://www.st.com/en/evaluation-tools/b-l475e-iot01a.html)
 
 ## Troubleshooting
 

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);