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Posted to commits@nuttx.apache.org by GitBox <gi...@apache.org> on 2020/12/11 18:02:34 UTC

[GitHub] [incubator-nuttx] acassis opened a new pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

acassis opened a new pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522


   ## Summary
   Add ESP32 EFUSE char driver
   ## Impact
   ESP32 users will be able to read/burn the EFUSEs
   ## Testing
   Tested on esp32-wrover-kit board
   


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[GitHub] [incubator-nuttx] acassis closed pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
acassis closed pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522


   


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[GitHub] [incubator-nuttx] acassis commented on pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
acassis commented on pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#issuecomment-746274783


   > Hi @acassis
   > Thanks for your commit and I see this PR is still in draft status.
   > It is appreciate if the esp32 board test app or example could be shared after modification, thank you very much!
   > BRs
   > Feng
   
   Thank you @sdc-g I will submit the example so you can use it with the current draft example


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[GitHub] [incubator-nuttx] acassis commented on pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
acassis commented on pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#issuecomment-752734570


   I'll submit the new generic driver


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[GitHub] [incubator-nuttx] sdc-g commented on pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
sdc-g commented on pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#issuecomment-747183947


   > driver
   
   No hurry, @acassis , it is OK if the example based on the final version.
   Thanks for your quick response!


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[GitHub] [incubator-nuttx] acassis edited a comment on pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
acassis edited a comment on pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#issuecomment-746274783


   > Hi @acassis
   > Thanks for your commit and I see this PR is still in draft status.
   > It is appreciate if the esp32 board test app or example could be shared after modification, thank you very much!
   > BRs
   > Feng
   
   Thank you @sdc-g I will submit the example so you can use it with the current draft driver


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[GitHub] [incubator-nuttx] xiaoxiang781216 commented on a change in pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
xiaoxiang781216 commented on a change in pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#discussion_r541510110



##########
File path: include/nuttx/efuse/esp_efuse.h
##########
@@ -0,0 +1,184 @@
+/****************************************************************************
+ * include/nuttx/efuse/esp_efuse.h

Review comment:
       Can we define a generic efuse driver interface? So not only ESP but also other chip can implement this interface.

##########
File path: arch/xtensa/src/esp32/esp32_efuse.c
##########
@@ -0,0 +1,376 @@
+/****************************************************************************
+ * arch/xtensa/src/esp32/esp32_efuse.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include <debug.h>
+#include <assert.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/efuse/esp_efuse.h>
+
+#include "hardware/esp32_soc.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Character driver methods */
+
+static int     efuse_open(FAR struct file *filep);
+static int     efuse_close(FAR struct file *filep);
+static ssize_t efuse_read(FAR struct file *filep, FAR char *buffer,
+                          size_t buflen);
+static ssize_t efuse_write(FAR struct file *filep, FAR const char *buffer,
+                           size_t buflen);
+static int     efuse_ioctl(FAR struct file *filep, int cmd,
+                           unsigned long arg);
+
+/* This structure is used for access control and batch writing mode */
+
+struct efuse_access_s
+{
+  sem_t   exclsem;            /* Supports mutual exclusion */
+  bool    batch_writing_mode; /* Controls batch writing */
+};
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static const struct file_operations g_efusefops =

Review comment:
       Like the previous comment, it's better to extract g_efusefops to an upper half driver.




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[GitHub] [incubator-nuttx] sdc-g commented on pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
sdc-g commented on pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#issuecomment-745867177


   Hi @acassis 
   Thanks for your commit and I see this PR is still in draft status.
   It is appreciate if the esp32 board test app or example could be shared after modification, thank you very much!
   BRs
   Feng


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[GitHub] [incubator-nuttx] acassis commented on pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
acassis commented on pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#issuecomment-748126285


   > > driver
   > 
   > No hurry, @acassis , it is OK if the example based on the final version.
   > Thanks for your quick response!
   
   I already did it: https://github.com/apache/incubator-nuttx-apps/pull/526


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[GitHub] [incubator-nuttx] acassis commented on a change in pull request #2522: xtensa/esp32: Add ESP32 EFUSE char driver

Posted by GitBox <gi...@apache.org>.
acassis commented on a change in pull request #2522:
URL: https://github.com/apache/incubator-nuttx/pull/2522#discussion_r541995122



##########
File path: arch/xtensa/src/esp32/esp32_efuse.c
##########
@@ -0,0 +1,376 @@
+/****************************************************************************
+ * arch/xtensa/src/esp32/esp32_efuse.c
+ *
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.  The
+ * ASF licenses this file to you under the Apache License, Version 2.0 (the
+ * "License"); you may not use this file except in compliance with the
+ * License.  You may obtain a copy of the License at
+ *
+ *   http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
+ * License for the specific language governing permissions and limitations
+ * under the License.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <stdlib.h>
+#include <debug.h>
+#include <assert.h>
+#include <nuttx/kmalloc.h>
+#include <nuttx/efuse/esp_efuse.h>
+
+#include "hardware/esp32_soc.h"
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+
+/* Character driver methods */
+
+static int     efuse_open(FAR struct file *filep);
+static int     efuse_close(FAR struct file *filep);
+static ssize_t efuse_read(FAR struct file *filep, FAR char *buffer,
+                          size_t buflen);
+static ssize_t efuse_write(FAR struct file *filep, FAR const char *buffer,
+                           size_t buflen);
+static int     efuse_ioctl(FAR struct file *filep, int cmd,
+                           unsigned long arg);
+
+/* This structure is used for access control and batch writing mode */
+
+struct efuse_access_s
+{
+  sem_t   exclsem;            /* Supports mutual exclusion */
+  bool    batch_writing_mode; /* Controls batch writing */
+};
+
+/****************************************************************************
+ * Private Data
+ ****************************************************************************/
+
+static const struct file_operations g_efusefops =

Review comment:
       Hi @xiaoxiang781216 I agree with these modifications to support a generic efuse driver. Just moved this PR to Draft




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