djsundog/circuitpython
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

cc3200: Keep WLAN enabled during suspend mode.

Browse Source
This commit is contained in:
danicampora 2015-03-12 10:35:38 +01:00
parent d1ba8b7659
commit 10f7ef0832
1 changed files with 5 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

26
cc3200/mods/pybsleep.c
View File

@ -53,7 +53,6 @@
#include "mpcallback.h" #include "mpcallback.h"
#include "mperror.h" #include "mperror.h"
#include "sleeprestore.h" #include "sleeprestore.h"
#include "serverstask.h"
/****************************************************************************** /******************************************************************************
DECLARE PRIVATE CONSTANTS DECLARE PRIVATE CONSTANTS
@ -323,11 +322,8 @@ void pybsleep_suspend_exit (void) {
// ungate the clock to the shared spi bus // ungate the clock to the shared spi bus
MAP_PRCMPeripheralClkEnable(PRCM_SSPI, PRCM_RUN_MODE_CLK | PRCM_SLP_MODE_CLK); MAP_PRCMPeripheralClkEnable(PRCM_SSPI, PRCM_RUN_MODE_CLK | PRCM_SLP_MODE_CLK);
// if wakeups are enabled, simplelink is as well, so we only need to // reinitialize simplelink's bus
// reinitialize the interface bus
if (pybsleep_wake_cb.wlan_wake_cb) {
sl_IfOpen (NULL, 0); sl_IfOpen (NULL, 0);
}
// initialize the system led // initialize the system led
mperror_init0(); mperror_init0();
@ -434,12 +430,11 @@ STATIC mp_obj_t pyb_sleep_idle (mp_obj_t self_in) {
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_idle_obj, pyb_sleep_idle); STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_idle_obj, pyb_sleep_idle);
/// \function suspend() /// \function suspend(wlan)
/// Enters suspended mode. Wake up sources should have been enable prior to /// Enters suspended mode. Wake up sources should have been enable prior to
// calling this method. /// calling this method.
STATIC mp_obj_t pyb_sleep_suspend (mp_obj_t self_in) { STATIC mp_obj_t pyb_sleep_suspend (mp_obj_t self_in) {
nlr_buf_t nlr; nlr_buf_t nlr;
bool servers_enabled = servers_are_enabled();
// check if we need to enable network wake-up // check if we need to enable network wake-up
if (pybsleep_wake_cb.wlan_wake_cb) { if (pybsleep_wake_cb.wlan_wake_cb) {
@ -447,14 +442,10 @@ STATIC mp_obj_t pyb_sleep_suspend (mp_obj_t self_in) {
} }
else { else {
MAP_PRCMLPDSWakeupSourceDisable (PRCM_LPDS_HOST_IRQ); MAP_PRCMLPDSWakeupSourceDisable (PRCM_LPDS_HOST_IRQ);
if (servers_enabled) {
wlan_stop_servers();
}
sl_Stop (SL_STOP_TIMEOUT);
} }
// entering and exiting suspend mode must be an atomic operation // entering and exiting suspend mode must be an atomic operation
// therefore interrupts have to be disabled // therefore interrupts need to be disabled
uint primsk = disable_irq(); uint primsk = disable_irq();
if (nlr_push(&nlr) == 0) { if (nlr_push(&nlr) == 0) {
pybsleep_suspend_enter(); pybsleep_suspend_enter();
@ -463,15 +454,6 @@ STATIC mp_obj_t pyb_sleep_suspend (mp_obj_t self_in) {
// an exception is always raised when exiting suspend mode // an exception is always raised when exiting suspend mode
enable_irq(primsk); enable_irq(primsk);
// enable simplelink if previously disabled
if (!pybsleep_wake_cb.wlan_wake_cb) {
// start simplelink, then enable the servers
sl_Start (0, 0, 0);
if (servers_enabled) {
servers_enable();
}
}
return mp_const_none; return mp_const_none;
} }
STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_suspend_obj, pyb_sleep_suspend); STATIC MP_DEFINE_CONST_FUN_OBJ_1(pyb_sleep_suspend_obj, pyb_sleep_suspend);