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Fix the return value of esp_now_send()

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This commit is contained in:
XiaXiaotian 2017-10-31 11:52:05 +08:00
parent 19aa3c72e9
commit 87d3986b87
1 changed files with 2 additions and 0 deletions
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2
components/esp32/include/esp_now.h
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@ -48,6 +48,7 @@ extern "C" {
#define ESP_ERR_ESPNOW_NOT_FOUND (ESP_ERR_ESPNOW_BASE + 4) /*!< ESPNOW peer is not found */
#define ESP_ERR_ESPNOW_INTERNAL (ESP_ERR_ESPNOW_BASE + 5) /*!< Internal error */
#define ESP_ERR_ESPNOW_EXIST (ESP_ERR_ESPNOW_BASE + 6) /*!< ESPNOW peer has existed */
#define ESP_ERR_ESPNOW_IF (ESP_ERR_ESPNOW_BASE + 7) /*!< Interface error */
#define ESP_NOW_ETH_ALEN 6 /*!< Length of ESPNOW peer MAC address */
#define ESP_NOW_KEY_LEN 16 /*!< Length of ESPNOW peer local master key */
@ -191,6 +192,7 @@ esp_err_t esp_now_unregister_send_cb(void);
* - ESP_ERR_ESPNOW_INTERNAL : internal error
* - ESP_ERR_ESPNOW_NO_MEM : out of memory
* - ESP_ERR_ESPNOW_NOT_FOUND : peer is not found
* - ESP_ERR_ESPNOW_IF : current WiFi interface doesn't match that of peer
*/
esp_err_t esp_now_send(const uint8_t *peer_addr, const uint8_t *data, size_t len);