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Merge branch 'feature/rtc_cpu_freq_config' into 'master'

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soc/rtc: Refactoring, support CPU frequencies lower than XTAL

See merge request idf/esp-idf!2856
This commit is contained in:
Ivan Grokhotkov
2018-08-22 11:32:08 +08:00
parent 4eb28b9ace e3d76d13b4
commit 90f5456dba
21 changed files with 889 additions and 509 deletions
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6
components/esp32/include/esp32/pm.h
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@@ -31,8 +31,10 @@ extern "C" {
* Pass a pointer to this structure as an argument to esp_pm_configure function.
*/
typedef struct {
rtc_cpu_freq_t max_cpu_freq; /*!< Maximum CPU frequency to use */
rtc_cpu_freq_t min_cpu_freq; /*!< Minimum CPU frequency to use when no frequency locks are taken */
rtc_cpu_freq_t max_cpu_freq __attribute__((deprecated)); /*!< Maximum CPU frequency to use. Deprecated, use max_freq_mhz instead. */
int max_freq_mhz; /*!< Maximum CPU frequency, in MHz */
rtc_cpu_freq_t min_cpu_freq __attribute__((deprecated)); /*!< Minimum CPU frequency to use when no frequency locks are taken. Deprecated, use min_freq_mhz instead. */
int min_freq_mhz; /*!< Minimum CPU frequency to use when no locks are taken, in MHz */
bool light_sleep_enable; /*!< Enter light sleep when no locks are taken */
} esp_pm_config_esp32_t;

11
components/esp32/include/esp_clk.h
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@@ -62,6 +62,17 @@ int esp_clk_cpu_freq(void);
*/
int esp_clk_apb_freq(void);
/**
* @brief Return frequency of the main XTAL
*
* Frequency of the main XTAL can be either auto-detected or set at compile
* time (see CONFIG_ESP32_XTAL_FREQ_SEL sdkconfig option). In both cases, this
* function returns the actual value at run time.
*
* @return XTAL frequency, in Hz
*/
int esp_clk_xtal_freq(void);
/**
* @brief Read value of RTC counter, converting it to microseconds