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esp_wifi: When WiFi TSF is active, skip light sleep

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* Add an API for peripherals to set callbacks to skip light sleep

* Make WiFi power save example work
This commit is contained in:
Xia Xiaotian
2020-05-07 16:15:56 +08:00
parent bd920d22b0
commit 526a3e49ed
12 changed files with 140 additions and 10 deletions
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5
components/esp32s2/clk.c
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@@ -320,6 +320,11 @@ void esp_perip_clk_init(void)
/* Enable WiFi MAC and POWER clocks */
DPORT_SET_PERI_REG_MASK(DPORT_WIFI_CLK_EN_REG, DPORT_WIFI_CLK_WIFI_EN);
/* Set WiFi light sleep clock source to RTC slow clock */
DPORT_REG_SET_FIELD(DPORT_BT_LPCK_DIV_INT_REG, DPORT_BT_LPCK_DIV_NUM, 0);
DPORT_CLEAR_PERI_REG_MASK(DPORT_BT_LPCK_DIV_FRAC_REG, DPORT_LPCLK_SEL_8M);
DPORT_SET_PERI_REG_MASK(DPORT_BT_LPCK_DIV_FRAC_REG, DPORT_LPCLK_SEL_RTC_SLOW);
/* Enable RNG clock. */
periph_module_enable(PERIPH_RNG_MODULE);
}