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components/bt: Add precautions for esp_vhci_host_send_packet (backport 3.1)

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This commit is contained in:
baohongde 2019-01-23 18:04:01 +08:00
parent 3e06ad6af9
commit 6743820bce
1 changed files with 6 additions and 2 deletions
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8
components/bt/include/esp_bt.h
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@ -43,7 +43,7 @@ typedef struct {
} esp_bt_controller_config_t; } esp_bt_controller_config_t;
#ifdef CONFIG_BT_ENABLED #ifdef CONFIG_BT_ENABLED
/* While scanning, if the free memory value in controller is less than SCAN_SEND_ADV_RESERVED_SIZE, /* While scanning, if the free memory value in controller is less than SCAN_SEND_ADV_RESERVED_SIZE,
the adv packet will be discarded until the memory is restored. */ the adv packet will be discarded until the memory is restored. */
#define SCAN_SEND_ADV_RESERVED_SIZE 1000 #define SCAN_SEND_ADV_RESERVED_SIZE 1000
/* enable controller log debug when adv lost */ /* enable controller log debug when adv lost */
@ -285,8 +285,12 @@ bool esp_vhci_host_check_send_available(void);
/** @brief esp_vhci_host_send_packet /** @brief esp_vhci_host_send_packet
* host send packet to controller * 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 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); void esp_vhci_host_send_packet(uint8_t *data, uint16_t len);