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Add WiFi static and dynamic tx buffer choice

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If static tx buffer is selected, WiFi tx buffers are allocated when WiFi is initialized and released

    when WiFi is de-initialized. If dynamic tx buffer is selected, WiFi tx buffer is allocated when tx

    data is delivered from LWIP to WiFi and released when tx data is sent out by WiFi.

    The size of each static tx buffers is fixed to about 1.6KB and the size of dynamic tx buffers is

    depend on the length of the data delivered from LWIP.

    If PSRAM is enabled, "STATIC" should be selected to guarantee enough WiFi tx buffers.

    If PSRAM is disabled, "DYNAMIC" should be selected to improve the utilization of RAM.
This commit is contained in:
XiaXiaotian
2017-03-14 21:03:41 +08:00
parent 73612b004f
commit 4f89cc73e6
3 changed files with 60 additions and 4 deletions
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18
components/esp32/include/esp_wifi.h
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@@ -97,6 +97,8 @@ typedef struct {
system_event_handler_t event_handler; /**< WiFi event handler */
int static_rx_buf_num; /**< WiFi static RX buffer number */
int dynamic_rx_buf_num; /**< WiFi dynamic RX buffer number */
int tx_buf_type; /**< WiFi TX buffer type */
int static_tx_buf_num; /**< WiFi static TX buffer number */
int dynamic_tx_buf_num; /**< WiFi dynamic TX buffer number */
int ampdu_enable; /**< WiFi AMPDU feature enable flag */
int nvs_enable; /**< WiFi NVS flash enable flag */
@@ -104,6 +106,18 @@ typedef struct {
int magic; /**< WiFi init magic number, it should be the last field */
} wifi_init_config_t;
#ifdef CONFIG_ESP32_WIFI_STATIC_TX_BUFFER_NUM
#define WIFI_STATIC_TX_BUFFER_NUM CONFIG_ESP32_WIFI_STATIC_TX_BUFFER_NUM
#else
#define WIFI_STATIC_TX_BUFFER_NUM 0
#endif
#ifdef CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM
#define WIFI_DYNAMIC_TX_BUFFER_NUM CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM
#else
#define WIFI_DYNAMIC_TX_BUFFER_NUM 0
#endif
#if CONFIG_ESP32_WIFI_AMPDU_ENABLED
#define WIFI_AMPDU_ENABLED 1
#else
@@ -128,7 +142,9 @@ typedef struct {
.event_handler = &esp_event_send, \
.static_rx_buf_num = CONFIG_ESP32_WIFI_STATIC_RX_BUFFER_NUM,\
.dynamic_rx_buf_num = CONFIG_ESP32_WIFI_DYNAMIC_RX_BUFFER_NUM,\
.dynamic_tx_buf_num = CONFIG_ESP32_WIFI_DYNAMIC_TX_BUFFER_NUM,\
.tx_buf_type = CONFIG_ESP32_WIFI_TX_BUFFER_TYPE,\
.static_tx_buf_num = WIFI_STATIC_TX_BUFFER_NUM,\
.dynamic_tx_buf_num = WIFI_DYNAMIC_TX_BUFFER_NUM,\
.ampdu_enable = WIFI_AMPDU_ENABLED,\
.nvs_enable = WIFI_NVS_ENABLED,\
.nano_enable = WIFI_NANO_FORMAT_ENABLED,\