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freertos: add frequency switching hooks to ISR and idle task

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This commit is contained in:
Ivan Grokhotkov 2017-09-22 23:06:52 +08:00
parent 42d51a4224
commit 535695f0b9
2 changed files with 19 additions and 10 deletions
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25
components/esp32/freertos_hooks.c
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@ -20,6 +20,10 @@
#include "esp_attr.h" #include "esp_attr.h"
#include "esp_freertos_hooks.h" #include "esp_freertos_hooks.h"
#include "sdkconfig.h"
#include "esp_pm.h"
#include "pm_impl.h"
//We use just a static array here because it's not expected many components will need //We use just a static array here because it's not expected many components will need
//an idle or tick hook. //an idle or tick hook.
#define MAX_HOOKS 8 #define MAX_HOOKS 8
@ -41,20 +45,21 @@ void IRAM_ATTR esp_vApplicationTickHook()
void esp_vApplicationIdleHook() void esp_vApplicationIdleHook()
{ {
bool doWait=true; bool can_go_idle=true;
bool r;
int n;
int core = xPortGetCoreID(); int core = xPortGetCoreID();
for (n=0; n<MAX_HOOKS; n++) { for (int n = 0; n < MAX_HOOKS; n++) {
if (idle_cb[core][n]!=NULL) { if (idle_cb[core][n] != NULL && !idle_cb[core][n]()) {
r=idle_cb[core][n](); can_go_idle = false;
if (!r) doWait=false;
} }
} }
if (doWait) { if (!can_go_idle) {
//Wait for whatever interrupt comes next... this should save some power. return;
asm("waiti 0");
} }
#ifdef CONFIG_PM_ENABLE
esp_pm_impl_idle_hook();
#endif
asm("waiti 0");
} }
esp_err_t esp_register_freertos_idle_hook_for_cpu(esp_freertos_idle_cb_t new_idle_cb, UBaseType_t cpuid) esp_err_t esp_register_freertos_idle_hook_for_cpu(esp_freertos_idle_cb_t new_idle_cb, UBaseType_t cpuid)

4
components/freertos/xtensa_vectors.S
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@ -206,6 +206,10 @@ SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#endif #endif
#endif #endif
#ifdef CONFIG_PM_ENABLE
call4 esp_pm_impl_isr_hook
#endif
#ifdef XT_INTEXC_HOOKS #ifdef XT_INTEXC_HOOKS
/* Call interrupt hook if present to (pre)handle interrupts. */ /* Call interrupt hook if present to (pre)handle interrupts. */
movi a4, _xt_intexc_hooks movi a4, _xt_intexc_hooks