From bf37f1a4134192e788b7b1288e3c7dc2c3edf1d0 Mon Sep 17 00:00:00 2001
From: Lukasz Juranek <lukasz.juranek@pl.abb.com>
Date: Thu, 27 Apr 2017 15:03:08 +0200
Subject: [PATCH] Added CAN closing on VCOM closing

---
 .settings/language.settings.xml | 2 +-
 Src/slcan/slcan.c               | 9 +++++++++
 Src/slcan/slcan.h               | 1 +
 Src/usbd_cdc_if.c               | 5 +++--
 4 files changed, 14 insertions(+), 3 deletions(-)

diff --git a/.settings/language.settings.xml b/.settings/language.settings.xml
index 3ec131e..38f269d 100644
--- a/.settings/language.settings.xml
+++ b/.settings/language.settings.xml
@@ -4,7 +4,7 @@
 		<extension point="org.eclipse.cdt.core.LanguageSettingsProvider">
 			<provider copy-of="extension" id="org.eclipse.cdt.ui.UserLanguageSettingsProvider"/>
 			<provider-reference id="org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider" ref="shared-provider"/>
-			<provider class="com.atollic.truestudio.mbs.GCCSpecsDetectorAtollicArm" console="false" env-hash="1766661236" id="com.atollic.truestudio.mbs.provider" keep-relative-paths="false" name="Atollic ARM Tools Language Settings" parameter="${COMMAND} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
+			<provider class="com.atollic.truestudio.mbs.GCCSpecsDetectorAtollicArm" console="false" env-hash="845081914" id="com.atollic.truestudio.mbs.provider" keep-relative-paths="false" name="Atollic ARM Tools Language Settings" parameter="${COMMAND} -E -P -v -dD &quot;${INPUTS}&quot;" prefer-non-shared="true">
 				<language-scope id="org.eclipse.cdt.core.gcc"/>
 				<language-scope id="org.eclipse.cdt.core.g++"/>
 			</provider>
diff --git a/Src/slcan/slcan.c b/Src/slcan/slcan.c
index dcfbe33..ce4bfe4 100644
--- a/Src/slcan/slcan.c
+++ b/Src/slcan/slcan.c
@@ -85,6 +85,14 @@ extern USBD_HandleTypeDef hUsbDeviceFS;
 uint8_t frameBuffer[FRAME_BUFFER_SIZE];
 uint32_t dataToSend = 0;
 
+void slcanClose()
+{
+	HAL_NVIC_DisableIRQ(CEC_CAN_IRQn);
+	dataToSend = 0;
+//            	todo into slleep
+	state = STATE_CONFIG;
+}
+
 int slcanFlushUSBBuffer()
 {
 	if (dataToSend != 0)
@@ -352,6 +360,7 @@ void slCanCheckCommand()
 //            if (state != STATE_CONFIG)
             {
             	HAL_NVIC_DisableIRQ(CEC_CAN_IRQn);
+            	dataToSend = 0;
 //            	todo into slleep
                 state = STATE_CONFIG;
                 result = terminator;
diff --git a/Src/slcan/slcan.h b/Src/slcan/slcan.h
index a5a52fe..f1d0d8d 100644
--- a/Src/slcan/slcan.h
+++ b/Src/slcan/slcan.h
@@ -32,6 +32,7 @@
 
 //ex TZ12020506
 
+void slcanClose();
 int slcanFlushUSBBuffer();
 uint8_t slcanReciveCanFrame(CanRxMsgTypeDef *pRxMsg);
 int slCanProccesInput(uint8_t ch);
diff --git a/Src/usbd_cdc_if.c b/Src/usbd_cdc_if.c
index da541c9..53a1211 100644
--- a/Src/usbd_cdc_if.c
+++ b/Src/usbd_cdc_if.c
@@ -178,6 +178,7 @@ static int8_t CDC_DeInit_FS(void)
   * @param  length: Number of data to be sent (in bytes)
   * @retval Result of the operation: USBD_OK if all operations are OK else USBD_FAIL
   */
+
 static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
 { 
   /* USER CODE BEGIN 5 */
@@ -229,11 +230,11 @@ static int8_t CDC_Control_FS  (uint8_t cmd, uint8_t* pbuf, uint16_t length)
     break;
 
   case CDC_SET_CONTROL_LINE_STATE:
-
+	  slcanClose();//ll
     break;
 
   case CDC_SEND_BREAK:
- 
+
     break;    
     
   default: