diff options
Diffstat (limited to 'cc3200/mods/pybsleep.c')
| -rw-r--r-- | cc3200/mods/pybsleep.c | 117 |
1 files changed, 88 insertions, 29 deletions
diff --git a/cc3200/mods/pybsleep.c b/cc3200/mods/pybsleep.c index bbaeddefb5..e0df2c1ce4 100644 --- a/cc3200/mods/pybsleep.c +++ b/cc3200/mods/pybsleep.c @@ -61,6 +61,12 @@ #define SPIFLASH_INSTR_DEEP_POWER_DOWN (0xB9) #define SPIFLASH_STATUS_BUSY (0x01) +#define LPDS_UP_TIME (425) // 13 msec +#define LPDS_DOWN_TIME (98) // 3 msec +#define USER_OFFSET (131) // 4 smec +#define WAKEUP_TIME_LPDS (LPDS_UP_TIME + LPDS_DOWN_TIME + USER_OFFSET) // 20 msec +#define WAKEUP_TIME_HIB (32768) // 1 s + /****************************************************************************** DECLARE PRIVATE TYPES ******************************************************************************/ @@ -101,9 +107,9 @@ typedef struct { } pybsleep_obj_t; typedef struct { - mp_obj_t wlan_wake_cb; - mp_obj_t timer_wake_cb; - mp_obj_t gpio_wake_cb; + mp_obj_t wlan_lpds_wake_cb; + mp_obj_t timer_lpds_wake_cb; + mp_obj_t gpio_lpds_wake_cb; } pybsleep_wake_cb_t; /****************************************************************************** @@ -113,6 +119,7 @@ STATIC const mp_obj_type_t pybsleep_type; STATIC nvic_reg_store_t *nvic_reg_store; STATIC pybsleep_wake_cb_t pybsleep_wake_cb; volatile arm_cm4_core_regs_t vault_arm_registers; +STATIC pybsleep_reset_cause_t pybsleep_reset_cause = PYB_SLP_PWRON_RESET; /****************************************************************************** DECLARE PRIVATE FUNCTIONS @@ -128,17 +135,49 @@ STATIC void pybsleep_iopark (void); /****************************************************************************** DEFINE PUBLIC FUNCTIONS ******************************************************************************/ -void pyblsleep_init0 (void) { - // initialize the sleep objects list - mp_obj_list_init(&MP_STATE_PORT(pybsleep_obj_list), 0); - +__attribute__ ((section (".boot"))) +void pybsleep_pre_init (void) { // allocate memory for nvic registers vault ASSERT ((nvic_reg_store = mem_Malloc(sizeof(nvic_reg_store_t))) != NULL); +} + +void pybsleep_init0 (void) { + // initialize the sleep objects list + mp_obj_list_init(&MP_STATE_PORT(pybsleep_obj_list), 0); - // enable and register the PRCM interrupt + // register and enable the PRCM interrupt osi_InterruptRegister(INT_PRCM, (P_OSI_INTR_ENTRY)PRCMInterruptHandler, INT_PRIORITY_LVL_1); - MAP_IntPendClear(INT_PRCM); - MAP_PRCMIntEnable(PRCM_INT_SLOW_CLK_CTR); + + // store the reset casue (if it's soft reset, leave it as it is) + if (pybsleep_reset_cause != PYB_SLP_SOFT_RESET) { + switch (MAP_PRCMSysResetCauseGet()) { + case PRCM_POWER_ON: + pybsleep_reset_cause = PYB_SLP_PWRON_RESET; + break; + case PRCM_CORE_RESET: + case PRCM_MCU_RESET: + case PRCM_SOC_RESET: + pybsleep_reset_cause = PYB_SLP_HARD_RESET; + break; + case PRCM_WDT_RESET: + pybsleep_reset_cause = PYB_SLP_WDT_RESET; + break; + case PRCM_HIB_EXIT: + if (PRCMWasResetBecauseOfWDT()) { + pybsleep_reset_cause = PYB_SLP_WDT_RESET; + } + else { + pybsleep_reset_cause = PYB_SLP_HIB_RESET; + } + break; + default: + break; + } + } +} + +void pybsleep_signal_soft_reset (void) { + pybsleep_reset_cause = PYB_SLP_SOFT_RESET; } void pybsleep_add (const mp_obj_t obj, WakeUpCB_t wakeup) { @@ -160,15 +199,15 @@ void pybsleep_remove (const mp_obj_t obj) { } void pybsleep_set_wlan_lpds_callback (mp_obj_t cb_obj) { - pybsleep_wake_cb.wlan_wake_cb = cb_obj; + pybsleep_wake_cb.wlan_lpds_wake_cb = cb_obj; } void pybsleep_set_gpio_lpds_callback (mp_obj_t cb_obj) { - pybsleep_wake_cb.gpio_wake_cb = cb_obj; + pybsleep_wake_cb.gpio_lpds_wake_cb = cb_obj; } void pybsleep_set_timer_lpds_callback (mp_obj_t cb_obj) { - pybsleep_wake_cb.timer_wake_cb = cb_obj; + pybsleep_wake_cb.timer_lpds_wake_cb = cb_obj; } /****************************************************************************** @@ -341,31 +380,27 @@ void pybsleep_suspend_exit (void) { STATIC void PRCMInterruptHandler (void) { // reading the interrupt status automatically clears the interrupt if (PRCM_INT_SLOW_CLK_CTR == MAP_PRCMIntStatus()) { - if (pybsleep_wake_cb.timer_wake_cb) { - mpcallback_handler(pybsleep_wake_cb.timer_wake_cb); + // this interrupt is triggered during active mode + if (pybsleep_wake_cb.timer_lpds_wake_cb) { + mpcallback_handler(pybsleep_wake_cb.timer_lpds_wake_cb); } } else { + // interrupt has been triggered while waking up from LPDS switch (MAP_PRCMLPDSWakeupCauseGet()) { case PRCM_LPDS_HOST_IRQ: - if (pybsleep_wake_cb.wlan_wake_cb) { - mpcallback_handler(pybsleep_wake_cb.wlan_wake_cb); + if (pybsleep_wake_cb.wlan_lpds_wake_cb) { + mpcallback_handler(pybsleep_wake_cb.wlan_lpds_wake_cb); } break; case PRCM_LPDS_GPIO: - if (pybsleep_wake_cb.gpio_wake_cb) { - mpcallback_handler(pybsleep_wake_cb.gpio_wake_cb); + if (pybsleep_wake_cb.gpio_lpds_wake_cb) { + mpcallback_handler(pybsleep_wake_cb.gpio_lpds_wake_cb); } - // clear all pending GPIO interrupts in order to - // avoid duplicated calls to the handler - MAP_IntPendClear(INT_GPIOA0); - MAP_IntPendClear(INT_GPIOA1); - MAP_IntPendClear(INT_GPIOA2); - MAP_IntPendClear(INT_GPIOA3); break; case PRCM_LPDS_TIMER: - if (pybsleep_wake_cb.timer_wake_cb) { - mpcallback_handler(pybsleep_wake_cb.timer_wake_cb); + if (pybsleep_wake_cb.timer_lpds_wake_cb) { + mpcallback_handler(pybsleep_wake_cb.timer_lpds_wake_cb); } break; default: @@ -443,7 +478,7 @@ STATIC mp_obj_t pyb_sleep_suspend (mp_obj_t self_in) { nlr_buf_t nlr; // check if we need to enable network wake-up - if (pybsleep_wake_cb.wlan_wake_cb) { + if (pybsleep_wake_cb.wlan_lpds_wake_cb) { MAP_PRCMLPDSWakeupSourceEnable (PRCM_LPDS_HOST_IRQ); } else { @@ -466,7 +501,7 @@ STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_suspend_obj, pyb_sleep_suspend); /// \function hibernate() /// Enters hibernate mode. Wake up sources should have been enable prior to -// calling this method. +/// calling this method. STATIC mp_obj_t pyb_sleep_hibernate (mp_obj_t self_in) { wlan_stop(); pybsleep_flash_powerdown(); @@ -475,16 +510,40 @@ STATIC mp_obj_t pyb_sleep_hibernate (mp_obj_t self_in) { } STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_hibernate_obj, pyb_sleep_hibernate); +/// \function reset_cause() +/// Returns the last reset casue +STATIC mp_obj_t pyb_sleep_reset_cause (mp_obj_t self_in) { + return MP_OBJ_NEW_SMALL_INT(pybsleep_reset_cause); +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_reset_cause_obj, pyb_sleep_reset_cause); + +/// \function wake_reason() +/// Returns the wake up reson from ldps or hibernate +STATIC mp_obj_t pyb_sleep_wake_reason (mp_obj_t self_in) { + return mp_const_none; +} +STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_wake_reason_obj, pyb_sleep_wake_reason); + STATIC const mp_map_elem_t pybsleep_locals_dict_table[] = { // instance methods { MP_OBJ_NEW_QSTR(MP_QSTR_idle), (mp_obj_t)&pyb_sleep_idle_obj }, { MP_OBJ_NEW_QSTR(MP_QSTR_suspend), (mp_obj_t)&pyb_sleep_suspend_obj }, { MP_OBJ_NEW_QSTR(MP_QSTR_hibernate), (mp_obj_t)&pyb_sleep_hibernate_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_reset_cause), (mp_obj_t)&pyb_sleep_reset_cause_obj }, + { MP_OBJ_NEW_QSTR(MP_QSTR_wake_reason), (mp_obj_t)&pyb_sleep_wake_reason_obj }, // class constants { MP_OBJ_NEW_QSTR(MP_QSTR_ACTIVE), MP_OBJ_NEW_SMALL_INT(PYB_PWR_MODE_ACTIVE) }, { MP_OBJ_NEW_QSTR(MP_QSTR_SUSPENDED), MP_OBJ_NEW_SMALL_INT(PYB_PWR_MODE_LPDS) }, { MP_OBJ_NEW_QSTR(MP_QSTR_HIBERNATING), MP_OBJ_NEW_SMALL_INT(PYB_PWR_MODE_HIBERNATE) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_PWR_ON_RESET), MP_OBJ_NEW_SMALL_INT(PYB_SLP_PWRON_RESET) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_HARD_RESET), MP_OBJ_NEW_SMALL_INT(PYB_SLP_HARD_RESET) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_WDT_RESET), MP_OBJ_NEW_SMALL_INT(PYB_SLP_WDT_RESET) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_HIB_RESET), MP_OBJ_NEW_SMALL_INT(PYB_SLP_HIB_RESET) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_SOFT_RESET), MP_OBJ_NEW_SMALL_INT(PYB_SLP_SOFT_RESET) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_WLAN_WAKE), MP_OBJ_NEW_SMALL_INT(PYB_SLP_WAKED_BY_WLAN) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_PIN_WAKE), MP_OBJ_NEW_SMALL_INT(PYB_SLP_WAKED_BY_PIN) }, + { MP_OBJ_NEW_QSTR(MP_QSTR_RTC_WAKE), MP_OBJ_NEW_SMALL_INT(PYB_SLP_WAKED_BY_RTC) }, }; STATIC MP_DEFINE_CONST_DICT(pybsleep_locals_dict, pybsleep_locals_dict_table); |