Enabling sleepy for 917soc with power manager

Author: chirag-silabs

examples/platform/silabs/FreeRTOSConfig.h

@@ -110,6 +110,9 @@ extern "C" {
 #ifdef SLI_SI91X_MCU_INTERFACE
 #include "si91x_device.h"
 extern uint32_t SystemCoreClock;
+#if SL_ICD_ENABLED
+#include "sl_si91x_m4_ps.h"
+#endif // SL_ICD_ENABLED
 #else // For EFR32
 #include "RTE_Components.h"
 #include CMSIS_device_header
@@ -141,21 +144,18 @@ extern uint32_t SystemCoreClock;
 /* Energy saving modes. */
 #if defined(SL_CATALOG_POWER_MANAGER_PRESENT)
 #define configUSE_TICKLESS_IDLE 1
-#elif SL_ICD_ENABLED && SI917_M4_SLEEP_ENABLED
+#elif (SLI_SI91X_MCU_INTERFACE && SL_ICD_ENABLED)
 #define configUSE_TICKLESS_IDLE 1
 #define configEXPECTED_IDLE_TIME_BEFORE_SLEEP 70
-#define configPRE_SUPPRESS_TICKS_AND_SLEEP_PROCESSING(x) vTaskPreSuppressTicksAndSleepProcessing(&x)
-#define configPRE_SLEEP_PROCESSING(x) sl_wfx_host_si91x_sleep(&x)
-#define configPOST_SLEEP_PROCESSING(x) sl_si91x_post_sleep_update_ticks(&x)
+#define configPRE_SLEEP_PROCESSING(x)
+#define configPOST_SLEEP_PROCESSING(x)
+#define configPRE_SUPPRESS_TICKS_AND_SLEEP_PROCESSING(x) sl_si91x_pre_supress_ticks_and_sleep(&x)
 #else
 #define configUSE_TICKLESS_IDLE 0
 #endif // SL_CATALOG_POWER_MANAGER_PRESENT
 
-#if defined(SLI_SI91X_MCU_INTERFACE)
-#define configTICK_RATE_HZ (1000)
-#else
 #define configTICK_RATE_HZ (1024)
-#endif // SLI_SI91X_MCU_INTERFACE
+
 /* Definition used by Keil to replace default system clock source. */
 #define configOVERRIDE_DEFAULT_TICK_CONFIGURATION 1
 
@@ -175,7 +175,11 @@ extern uint32_t SystemCoreClock;
 
 /* Software timer related definitions. */
 #define configUSE_TIMERS (1)
+#ifdef SLI_SI917
+#define configTIMER_TASK_PRIORITY (55) /* Highest priority */
+#else
 #define configTIMER_TASK_PRIORITY (40) /* Highest priority */
+#endif // SLI_SI917
 #define configTIMER_QUEUE_LENGTH (10)
 #define configTIMER_TASK_STACK_DEPTH (1024)
 
@@ -211,11 +215,8 @@ See http://www.FreeRTOS.org/RTOS-Cortex-M3-M4.html. */
 #define configUSE_PORT_OPTIMISED_TASK_SELECTION (0)
 #define configUSE_TICKLESS_IDLE_SIMPLE_DEBUG (1) /* See into vPortSuppressTicksAndSleep source code for explanation */
 #define configMAX_PRIORITIES (56)
-#if SLI_SI91X_MCU_INTERFACE && SL_ICD_ENABLED
-#define configMINIMAL_STACK_SIZE (1024) /* Number of words to use for Idle and Timer stacks */
-#else                                   // For EFR32
-#define configMINIMAL_STACK_SIZE (320)  /* Number of words to use for Idle and Timer stacks */
-#endif                                  // SLI_SI91X_MCU_INTERFACE && SL_ICD_ENABLED
+#define configMINIMAL_STACK_SIZE (320) /* Number of words to use for Idle and Timer stacks */
+
 #ifdef HEAP_MONITORING
 #define configMAX_TASK_NAME_LEN (24)
 #else

examples/platform/silabs/MatterConfig.cpp

@@ -43,10 +43,7 @@
 
 #ifdef SLI_SI91X_MCU_INTERFACE
 #include "wfx_rsi.h"
-#if CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
-#include "rsi_m4.h"
-#endif // CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
-#endif // SLI_SI91X_MCU_INTERFACE
+#endif /* SLI_SI91X_MCU_INTERFACE */
 
 #include <crypto/CHIPCryptoPAL.h>
 // If building with the EFR32-provided crypto backend, we can use the
@@ -356,63 +353,9 @@ CHIP_ERROR SilabsMatterConfig::InitWiFi(void)
 // ================================================================================
 // FreeRTOS Callbacks
 // ================================================================================
-#if CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
-static bool is_sleep_ready = false;
-void vTaskPreSuppressTicksAndSleepProcessing(uint16_t * xExpectedIdleTime)
-{
-    // pointer check
-    if (xExpectedIdleTime == NULL)
-    {
-        return;
-    }
-
-    if (!is_sleep_ready)
-    {
-        *xExpectedIdleTime = 0;
-    }
-    else
-    {
-        // a preliminary check of the expected idle time is performed without making M4 inactive
-        if (*xExpectedIdleTime >= configEXPECTED_IDLE_TIME_BEFORE_SLEEP)
-        {
-            // Indicate M4 is Inactive
-            P2P_STATUS_REG &= ~M4_is_active;
-            // Waiting for one more clock cycle to make sure M4 H/W Register is updated
-            P2P_STATUS_REG;
-
-            // TODO: This delay is added to sync between M4 and TA. It should be removed once the logic is moved to wifi SDK
-            for (uint8_t delay = 0; delay < 10; delay++)
-            {
-                __ASM("NOP");
-            }
-            // Checking if TA has already triggered a packet to M4
-            // RX_BUFFER_VALID will be cleared by TA if any packet is triggered
-            if ((P2P_STATUS_REG & TA_wakeup_M4) || (P2P_STATUS_REG & M4_wakeup_TA) || (!(M4SS_P2P_INTR_SET_REG & RX_BUFFER_VALID)))
-            {
-                P2P_STATUS_REG |= M4_is_active;
-                *xExpectedIdleTime = 0;
-            }
-            else
-            {
-                M4SS_P2P_INTR_CLR_REG = RX_BUFFER_VALID;
-                M4SS_P2P_INTR_CLR_REG;
-
-                TASS_P2P_INTR_MASK_SET = (TX_PKT_TRANSFER_DONE_INTERRUPT | RX_PKT_TRANSFER_DONE_INTERRUPT |
-                                          TA_WRITING_ON_COMM_FLASH | NWP_DEINIT_IN_COMM_FLASH
-#ifdef SL_SI91X_SIDE_BAND_CRYPTO
-                                          | SIDE_BAND_CRYPTO_DONE
-#endif
-                );
-            }
-        }
-    }
-}
-#endif // CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
 extern "C" void vApplicationIdleHook(void)
 {
-#if CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
-    invoke_btn_press_event();
-    // is_sleep_ready is required since wfx_is_sleep_ready() is not FreeRTOS scheduler agnostic
-    is_sleep_ready = wfx_is_sleep_ready();
-#endif // CHIP_CONFIG_ENABLE_ICD_SERVER && SI917_M4_SLEEP_ENABLED
+#if (SLI_SI91X_MCU_INTERFACE && CHIP_CONFIG_ENABLE_ICD_SERVER)
+    sl_si91x_invoke_btn_press_event();
+#endif
 }

examples/platform/silabs/SiWx917/BUILD.gn

@@ -216,6 +216,7 @@ source_set("siwx917-common") {
   public_configs = [
     ":siwx917-common-config",
     "${efr32_sdk_build_root}:silabs_config",
+    ":chip_examples_project_config",
   ]
 
   include_dirs = [

examples/platform/silabs/wfx_rsi.h

@@ -18,6 +18,7 @@
 
 #include <event_groups.h>
 #include <wfx_host_events.h>
+#include <app/icd/server/ICDServerConfig.h>
 
 #ifndef RSI_BLE_ENABLE
 #define RSI_BLE_ENABLE (1)
@@ -112,8 +113,10 @@ int32_t wfx_rsi_get_ap_ext(wfx_wifi_scan_ext_t * extra_info);
 int32_t wfx_rsi_reset_count();
 int32_t wfx_rsi_disconnect();
 int32_t wfx_wifi_rsi_init(void);
-#if SL_ICD_ENABLED
-void sl_wfx_host_si91x_sleep_wakeup();
+#if CHIP_CONFIG_ENABLE_ICD_SERVER
+#if SLI_SI91X_MCU_INTERFACE
+void sl_si91x_invoke_btn_press_event();
+#endif // SLI_SI91X_MCU_INTERFACE
 #if SLI_SI917
 int32_t wfx_rsi_power_save(rsi_power_save_profile_mode_t sl_si91x_ble_state, sl_si91x_performance_profile_t sl_si91x_wifi_state);
 #else

src/lwip/silabs/lwipopts-rs911x.h

@@ -158,6 +158,10 @@
 #define DEFAULT_UDP_RECVMBOX_SIZE 6
 #define DEFAULT_TCP_RECVMBOX_SIZE 6
 
+#if SL_ICD_ENABLED
+#define SL_LWIP_MLD6_TIMERS_ONDEMAND 1
+#endif // CHIP_CONFIG_ENABLE_ICD_SERVER
+
 #ifdef LWIP_DEBUG
 
 #define MEMP_OVERFLOW_CHECK (0)

src/lwip/silabs/lwipopts-wf200.h

@@ -159,6 +159,10 @@
 #define DEFAULT_UDP_RECVMBOX_SIZE 6
 #define DEFAULT_TCP_RECVMBOX_SIZE 6
 
+#if SL_ICD_ENABLED
+#define SL_LWIP_MLD6_TIMERS_ONDEMAND 1
+#endif // CHIP_CONFIG_ENABLE_ICD_SERVER
+
 #ifdef LWIP_DEBUG
 
 #define MEMP_OVERFLOW_CHECK (0)

third_party/silabs/SiWx917_sdk.gni

@@ -152,6 +152,8 @@ template("siwx917_sdk") {
       "${wifi_sdk_root}/components/device/silabs/si91x/wireless/firmware_upgrade",
       "${wifi_sdk_root}/components/device/silabs/si91x/mcu/hal/inc",
       "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/systemlevel/inc",
+
+      "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/service/power_manager/inc",
     ]
 
     if (use_system_view) {
@@ -303,9 +305,9 @@ template("siwx917_sdk") {
         "SL_ACTIVE_MODE_DURATION_MS=${sl_active_mode_duration_ms}",
         "SL_IDLE_MODE_DURATION_S=${sl_idle_mode_duration_s}",
         "SL_ICD_SUPPORTED_CLIENTS_PER_FABRIC=${sl_icd_supported_clients_per_fabric}",
-        "SL_SI91X_MCU_WIRELESS_BASED_WAKEUP=1",
-        "SL_SI91X_MCU_BUTTON_BASED_WAKEUP=1",
-        "SL_SI91X_MCU_ALARM_BASED_WAKEUP=1",
+        "SL_SI91X_NPSS_GPIO_BTN_HANDLER=1",
+        "SL_SI91X_POWER_MANAGER_UC_AVAILABLE=1",
+        "SL_SI91X_TICKLESS_MODE=1",
       ]
 
       if (si91x_alarm_based_periodic_wakeup) {
@@ -412,6 +414,7 @@ template("siwx917_sdk") {
       "${wifi_sdk_root}/components/board/silabs/src/rsi_board.c",
       "${wifi_sdk_root}/components/common/src/sl_utility.c",
       "${wifi_sdk_root}/components/device/silabs/si91x/mcu/core/chip/src/rsi_deepsleep_soc.c",
+      "${wifi_sdk_root}/components/device/silabs/si91x/mcu/core/chip/src/rsi_ps_ram_func.c",
       "${wifi_sdk_root}/components/device/silabs/si91x/mcu/core/chip/src/rsi_system_config.c",
       "${wifi_sdk_root}/components/device/silabs/si91x/mcu/core/chip/src/system_si91x.c",
       "${wifi_sdk_root}/components/device/silabs/si91x/mcu/core/common/src/rsi_debug.c",
@@ -571,9 +574,21 @@ template("siwx917_sdk") {
 
     if (chip_enable_icd_server) {
       sources += [
+        "${sdk_support_root}/matter/si91x/siwx917/BRD4338A/autogen/sl_si91x_power_manager_handler.c",
+        "${sdk_support_root}/matter/si91x/siwx917/BRD4338A/autogen/sl_si91x_power_manager_wakeup_handler.c",
+
         "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/peripheral_drivers/src/sl_si91x_m4_ps.c",
-        "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/systemlevel/src/rsi_rtc.c",
         "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/systemlevel/src/rsi_time_period.c",
+
+        "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/service/power_manager/src/sl_si91x_power_manager.c",
+        "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/service/power_manager/src/sli_si91x_power_manager.c",
+        "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/service/power_manager/src/sli_si91x_power_manager_wakeup_init.c",
+        "${wifi_sdk_root}/third_party/silicon_labs/freertos/src/sl_si91x_low_power_tickless_mode.c",
+        
+        # "${efr32_sdk_root}/platform/service/sleeptimer/src/sl_sleeptimer.c",
+        # "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/service/sleeptimer/src/sl_sleeptimer_hal_si91x_sysrtc.c",
+        
+        # "${wifi_sdk_root}/components/device/silabs/si91x/mcu/drivers/peripheral_drivers/src/rsi_sysrtc.c",
       ]
     }
     public_deps = [