alexey.zholtikov/zh_espnow
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feat: added get/set espnow channel

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This commit is contained in:
Alexey Zholtikov 2025-05-06 10:35:59 +03:00
parent b987a62438
commit 2caa1477b0
4 changed files with 53 additions and 1 deletions
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1
README.md
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@ -87,6 +87,7 @@ void app_main(void)
send_message.float_value = 1.234;
send_message.bool_value = false;
printf("Used ESP-NOW version %d.\n", zh_espnow_get_version());
printf("ESP-NOW channel %d. \n", zh_espnow_get_channel());
uint8_t counter = 0;
for (;;)
{

16
include/zh_espnow.h
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@ -144,6 +144,22 @@ extern "C"
*/
esp_err_t zh_espnow_set_attempts(uint8_t attempts);
/**
* @brief Get ESP-NOW channel.
*
* @return ESP-NOW channel if success or 0 otherwise.
*/
uint8_t zh_espnow_get_channel(void);
/**
* @brief Set ESP-NOW channel.
*
* @param[in] channel ESP-NOW channel (1-14).
*
* @return ESP_OK if success or an error code otherwise.
*/
esp_err_t zh_espnow_set_channel(uint8_t channel);
#ifdef __cplusplus
}
#endif

2
version.txt
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@ -1 +1 @@
1.4.0
1.5.0

35
zh_espnow.c
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@ -536,3 +536,38 @@ esp_err_t zh_espnow_set_attempts(uint8_t attempts)
ZH_ESPNOW_LOGI("Number of attempts set successfully.");
return ESP_OK;
}
uint8_t zh_espnow_get_channel(void)
{
if (_is_initialized == false)
{
ZH_ESPNOW_LOGE("ESP-NOW channel receiption failed. ESP-NOW is not initialized.");
return 0;
}
uint8_t prim_channel = 0;
wifi_second_chan_t sec_channel = 0;
esp_err_t err = esp_wifi_get_channel(&prim_channel, &sec_channel);
if (err != ESP_OK)
{
ZH_ESPNOW_LOGE_ERR("ESP-NOW channel receiption failed.", err);
return 0;
}
_init_config.wifi_channel = prim_channel;
ZH_ESPNOW_LOGI("ESP-NOW channel receiption successfully.");
return prim_channel;
}
esp_err_t zh_espnow_set_channel(uint8_t channel)
{
ZH_ESPNOW_CHECK(_is_initialized == true, ESP_ERR_INVALID_STATE, "ESP-NOW channel set failed. ESP-NOW is not initialized.");
ZH_ESPNOW_CHECK(channel > 0 && channel < 15, ESP_ERR_INVALID_ARG, "ESP-NOW channel set failed. Invalid channel.");
esp_err_t err = esp_wifi_set_channel(channel, WIFI_SECOND_CHAN_NONE);
if (err != ESP_OK)
{
ZH_ESPNOW_LOGE_ERR("ESP-NOW channel set failed.", err);
return err;
}
_init_config.wifi_channel = channel;
ZH_ESPNOW_LOGI("ESP-NOW channel set successfully.");
return err;
}