From 118adb96cf4503fdccd974090934d18c279cc403 Mon Sep 17 00:00:00 2001 From: Christoph Honal Date: Mon, 21 Mar 2022 14:05:49 +0100 Subject: Nimble: Reduce BLE power usage This configures Nimble to enable the HFCLOCK and other Bluetooth peripherals only when needed, but 1500 us in advance. This time is recommended by the Mynewt docs. --- .../porting/npl/freertos/include/nimble/nimble_npl_os.h | 14 ++++++++++++-- 1 file changed, 12 insertions(+), 2 deletions(-) (limited to 'src/libs/mynewt-nimble/porting/npl/freertos/include') diff --git a/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h index 545be0f4..3a3de40d 100644 --- a/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h +++ b/src/libs/mynewt-nimble/porting/npl/freertos/include/nimble/nimble_npl_os.h @@ -37,6 +37,8 @@ extern "C" { #define BLE_NPL_TIME_FOREVER portMAX_DELAY +extern volatile int ble_npl_in_critical; + /* This should be compatible with TickType_t */ typedef uint32_t ble_npl_time_t; typedef int32_t ble_npl_stime_t; @@ -282,14 +284,22 @@ static inline uint32_t ble_npl_hw_enter_critical(void) { //vPortEnterCritical(); - return npl_freertos_hw_enter_critical(); + ++ble_npl_in_critical; + return npl_freertos_hw_enter_critical(); } static inline void ble_npl_hw_exit_critical(uint32_t ctx) { - npl_freertos_hw_exit_critical(ctx); + --ble_npl_in_critical; + npl_freertos_hw_exit_critical(ctx); +} +static inline bool +ble_npl_hw_is_in_critical(void) +{ + // Do the same as RIOT and keep track of the critical state manually + return (ble_npl_in_critical > 0); } #ifdef __cplusplus -- cgit v1.2.3