From: baohongde <baohongde@espressif.com>
Date: Fri, 15 Feb 2019 09:27:24 +0000 (+0800)
Subject: components/bt: Add precautions for esp_vhci_host_send_packet (backport 3.2)
X-Git-Tag: v3.2-beta3~10^2
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=5568ca28559f7b61e0e248ab036b1d861468c084;p=esp-idf

components/bt: Add precautions for esp_vhci_host_send_packet (backport 3.2)
---

diff --git a/components/bt/include/esp_bt.h b/components/bt/include/esp_bt.h
index b1dbc64673..b098c133d9 100644
--- a/components/bt/include/esp_bt.h
+++ b/components/bt/include/esp_bt.h
@@ -326,8 +326,12 @@ bool esp_vhci_host_check_send_available(void);
 
 /** @brief esp_vhci_host_send_packet
  * host send packet to controller
+ *
+ * Should not call this function from within a critical section
+ * or when the scheduler is suspended.
+ *
  * @param data the packet point
- *,@param len the packet length
+ * @param len the packet length
  */
 void esp_vhci_host_send_packet(uint8_t *data, uint16_t len);
 
@@ -453,11 +457,11 @@ void esp_bt_controller_wakeup_request(void);
 
 /**
  * @brief Manually clear scan duplicate list
- * 
+ *
  * Note that scan duplicate list will be automatically cleared when the maximum amount of device in the filter is reached
  * the amount of device in the filter can be configured in menuconfig.
- * 
- * 
+ *
+ *
  * @return
  *                  - ESP_OK : success
  *                  - other  : failed