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Update wlan.md

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updated tx power information
This commit is contained in:
gijsio
2020-09-18 09:53:02 +02:00
parent 782c7ad5cb
commit 0c3f598b0e
1 changed files with 4 additions and 17 deletions
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content/firmwareapi/pycom/network/wlan.md
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@@ -47,7 +47,7 @@ Create a WLAN object, and optionally configure it. See init for params of config
## Methods
#### wlan.init(mode, [ssid=None, auth=None, channel=1, antenna=WLAN.INT_ANT, power_save=False, hidden=False, bandwidth=HT40, max_tx_pwr=20, country=NA, protocol=(1,1,1)])
#### wlan.init(mode, [ssid=None, auth=None, channel=1, antenna=WLAN.INT_ANT, power_save=False, hidden=False, bandwidth=WLAN.HT40, max_tx_pwr, country=NA, protocol=(1,1,1)])
Set or get the WiFi network processor configuration.
@@ -218,24 +218,11 @@ Each element of the returned list is a tuple, containing the MAC address and IP
### wlan.max_tx_power([power])
Gets or Sets the maximum allowable transmission power for wifi.
Gets or Sets the maximum allowable transmission power for wifi. This is also related to the country setting.
Packets of different rates are transmitted in different powers according to the configuration in phy init data. This API only sets maximum WiFi transmiting power. If this API is called, the transmiting power of every packet will be less than or equal to the value set by this API. Default is Level 0.
Packets of different rates are transmitted in different powers according to the configuration in phy init data. This API only sets maximum WiFi transmiting power. If this API is called, the transmiting power of every packet will be less than or equal to the value set by this API.
Values passed in power are mapped to transmit power levels as follows:
* [78, 127]: level0
* [76, 77]: level1
* [74, 75]: level2
* [68, 73]: level3
* [60, 67]: level4
* [52, 59]: level5
* [44, 51]: level5 - 2dBm
* [34, 43]: level5 - 4.5dBm
* [28, 33]: level5 - 6dBm
* [20, 27]: level5 - 8dBm
* [8, 19]: level5 - 11dBm
* [-128, 7]: level5 - 14dBm
Values passed in power are mapped to transmit power levels as power = [8, 78] = [2, 20] dBm, in 0.25dBm increments.
### wlan.country([country, schan, nchan, max_tx_pwr, policy])