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Revert "Merge branch 'bugfix/external_rtc_start_fail_3.2' into 'release/v3.2'"

Browse source 
This reverts merge request !4272
This commit is contained in:
Ivan Grokhotkov 2019-02-19 12:47:44 +08:00
parent 0f79c72704
commit 509884c5ac
4 changed files with 6 additions and 60 deletions
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12
components/esp32/Kconfig
View file

@ -786,18 +786,6 @@ config ESP32_RTC_CLK_CAL_CYCLES
In case more value will help improve the definition of the launch of the crystal.
If the crystal could not start, it will be switched to internal RC.
config ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
bool "Additional current for external 32kHz crystal"
depends on ESP32_RTC_CLOCK_SOURCE_EXTERNAL_CRYSTAL
default "n"
help
Choose which additional current is used for rtc external crystal.
- "Enable current by touch" option provides touch pad9 current to
external 32kHz crystal, at the expense of slightly higher (4-5uA) deep
sleep current consumption. Note that enabled Touch or ULP wakeup
source at sleep, this item is invalid even selected ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT.
config ESP32_RTC_XTAL_BOOTSTRAP_CYCLES
int "Bootstrap cycles for external 32kHz crystal"
depends on ESP32_RTC_CLOCK_SOURCE_EXTERNAL_CRYSTAL

2
components/esp32/include/esp_sleep.h
View file

@ -95,7 +95,6 @@ esp_err_t esp_sleep_disable_wakeup_source(esp_sleep_source_t source);
* source is used.
* @return
* - ESP_OK on success
* - ESP_ERR_NOT_SUPPORTED if additional current by touch (CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT) is enabled.
* - ESP_ERR_INVALID_STATE if ULP co-processor is not enabled or if wakeup triggers conflict
*/
esp_err_t esp_sleep_enable_ulp_wakeup();
@ -122,7 +121,6 @@ esp_err_t esp_sleep_enable_timer_wakeup(uint64_t time_in_us);
*
* @return
* - ESP_OK on success
* - ESP_ERR_NOT_SUPPORTED if additional current by touch (CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT) is enabled.
* - ESP_ERR_INVALID_STATE if wakeup triggers conflict
*/
esp_err_t esp_sleep_enable_touchpad_wakeup();

13
components/esp32/sleep_modes.c
View file

@ -401,9 +401,6 @@ esp_err_t esp_sleep_disable_wakeup_source(esp_sleep_source_t source)
esp_err_t esp_sleep_enable_ulp_wakeup()
{
#ifdef CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
return ESP_ERR_NOT_SUPPORTED;
#endif
#ifdef CONFIG_ULP_COPROC_ENABLED
if(s_config.wakeup_triggers & RTC_EXT0_TRIG_EN) {
ESP_LOGE(TAG, "Conflicting wake-up trigger: ext0");
@ -437,9 +434,6 @@ static void timer_wakeup_prepare()
esp_err_t esp_sleep_enable_touchpad_wakeup()
{
#ifdef CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
return ESP_ERR_NOT_SUPPORTED;
#endif
if (s_config.wakeup_triggers & (RTC_EXT0_TRIG_EN)) {
ESP_LOGE(TAG, "Conflicting wake-up trigger: ext0");
return ESP_ERR_INVALID_STATE;
@ -699,13 +693,6 @@ static uint32_t get_power_down_flags()
if (s_config.pd_options[ESP_PD_DOMAIN_XTAL] != ESP_PD_OPTION_ON) {
pd_flags |= RTC_SLEEP_PD_XTAL;
}
if ((s_config.wakeup_triggers & (RTC_TOUCH_TRIG_EN | RTC_ULP_TRIG_EN)) == 0) {
// If enabled EXT1 only and enable the additional current by touch, should be keep RTC_PERIPH power on.
#if ((defined CONFIG_ESP32_RTC_CLOCK_SOURCE_EXTERNAL_CRYSTAL) && (defined CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT))
pd_flags &= ~RTC_SLEEP_PD_RTC_PERIPH;
#endif
}
return pd_flags;
}

39
components/soc/esp32/rtc_clk.c
View file

@ -58,7 +58,7 @@
#define APLL_CAL_DELAY_2 0x3f
#define APLL_CAL_DELAY_3 0x1f
#define XTAL_32K_DAC_VAL 3
#define XTAL_32K_DAC_VAL 1
#define XTAL_32K_DRES_VAL 3
#define XTAL_32K_DBIAS_VAL 0
@ -111,36 +111,14 @@ static const char* TAG = "rtc_clk";
static void rtc_clk_32k_enable_common(int dac, int dres, int dbias)
{
CLEAR_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG,
RTC_IO_X32P_RDE | RTC_IO_X32P_RUE | RTC_IO_X32N_RUE |
RTC_IO_X32N_RDE | RTC_IO_X32N_MUX_SEL | RTC_IO_X32P_MUX_SEL);
SET_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_X32N_MUX_SEL | RTC_IO_X32P_MUX_SEL);
/* Set the parameters of xtal
dac --> current
dres --> resistance
dbias --> bais voltage
*/
CLEAR_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG,
RTC_IO_X32P_RDE | RTC_IO_X32P_RUE | RTC_IO_X32N_RUE |
RTC_IO_X32N_RDE | RTC_IO_X32N_MUX_SEL | RTC_IO_X32P_MUX_SEL);
REG_SET_FIELD(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_DAC_XTAL_32K, dac);
REG_SET_FIELD(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_DRES_XTAL_32K, dres);
REG_SET_FIELD(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_DBIAS_XTAL_32K, dbias);
#ifdef CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
/* TOUCH sensor can provide additional current to external XTAL.
In some case, X32N and X32P PAD don't have enough drive capability to start XTAL */
SET_PERI_REG_MASK(RTC_IO_TOUCH_CFG_REG, RTC_IO_TOUCH_XPD_BIAS_M);
/* Tie PAD Touch8 to VDD
NOTE: TOUCH8 and TOUCH9 register settings are reversed except for DAC, so we set RTC_IO_TOUCH_PAD9_REG here instead
*/
SET_PERI_REG_MASK(RTC_IO_TOUCH_PAD9_REG, RTC_IO_TOUCH_PAD9_TIE_OPT_M);
/* Set the current used to compensate TOUCH PAD8 */
SET_PERI_REG_BITS(RTC_IO_TOUCH_PAD8_REG, RTC_IO_TOUCH_PAD8_DAC, 4, RTC_IO_TOUCH_PAD8_DAC_S);
/* Power up TOUCH8
So the Touch DAC start to drive some current from VDD to TOUCH8(which is also XTAL-N)
*/
SET_PERI_REG_MASK(RTC_IO_TOUCH_PAD9_REG, RTC_IO_TOUCH_PAD9_XPD_M);
#endif // CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
/* Power up external xtal */
SET_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_XPD_XTAL_32K_M);
SET_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_XPD_XTAL_32K);
}
void rtc_clk_32k_enable(bool enable)
@ -148,12 +126,7 @@ void rtc_clk_32k_enable(bool enable)
if (enable) {
rtc_clk_32k_enable_common(XTAL_32K_DAC_VAL, XTAL_32K_DRES_VAL, XTAL_32K_DBIAS_VAL);
} else {
/* Disable X32N and X32P pad drive external xtal */
CLEAR_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_XPD_XTAL_32K_M);
#ifdef CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
/* Power down TOUCH */
CLEAR_PERI_REG_MASK(RTC_IO_TOUCH_PAD9_REG, RTC_IO_TOUCH_PAD9_XPD_M);
#endif // CONFIG_ESP32_RTC_EXTERNAL_CRYSTAL_ADDITIONAL_CURRENT
CLEAR_PERI_REG_MASK(RTC_IO_XTAL_32K_PAD_REG, RTC_IO_XPD_XTAL_32K);
}
}