Birkbeck College Mobile and Ubiquitous Computing IoT Lab Exercise 2
Dependencies: BLE_API_Native_blog
Diff: mbed/TARGET_NRF51822/nrf_sdm.h
- Revision:
- 0:e8fdba0ed044
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed/TARGET_NRF51822/nrf_sdm.h Sat Mar 07 16:34:53 2015 +0000 @@ -0,0 +1,163 @@ +/* + * Copyright (c) 2011 Nordic Semiconductor. All Rights Reserved. + * + * The information contained herein is confidential property of Nordic Semiconductor. The use, + * copying, transfer or disclosure of such information is prohibited except by express written + * agreement with Nordic Semiconductor. + * + */ +/** + @defgroup nrf_sdm_api SoftDevice Manager API + @{ + + @brief APIs for SoftDevice management. + +*/ + +/* Header guard */ +#ifndef NRF_SDM_H__ +#define NRF_SDM_H__ + +#include "nrf_svc.h" +#include "nrf51.h" +#include "nrf_soc.h" +#include "nrf_error_sdm.h" + +/** @addtogroup NRF_SDM_DEFINES Defines + * @{ */ + +/**@brief SoftDevice Manager SVC Base number. */ +#define SDM_SVC_BASE 0x10 + +/** @} */ + +/** @addtogroup NRF_SDM_ENUMS Enumerations + * @{ */ + +/**@brief nRF SoftDevice Manager API SVC numbers. */ +enum NRF_SD_SVCS +{ + SD_SOFTDEVICE_ENABLE = SDM_SVC_BASE, /**< ::sd_softdevice_enable */ + SD_SOFTDEVICE_DISABLE, /**< ::sd_softdevice_disable */ + SD_SOFTDEVICE_IS_ENABLED, /**< ::sd_softdevice_is_enabled */ + SD_SOFTDEVICE_FORWARD_TO_APPLICATION,/**< ::sd_softdevice_forward_to_application */ + SVC_SDM_LAST /**< Placeholder for last SDM SVC */ +}; + +/**@brief Possible lfclk oscillator sources. */ +enum NRF_CLOCK_LFCLKSRCS +{ + NRF_CLOCK_LFCLKSRC_SYNTH_250_PPM, /**< LFCLK Synthesized from HFCLK. */ + NRF_CLOCK_LFCLKSRC_XTAL_500_PPM, /**< LFCLK crystal oscillator 500 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_250_PPM, /**< LFCLK crystal oscillator 250 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_150_PPM, /**< LFCLK crystal oscillator 150 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_100_PPM, /**< LFCLK crystal oscillator 100 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_75_PPM, /**< LFCLK crystal oscillator 75 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_50_PPM, /**< LFCLK crystal oscillator 50 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_30_PPM, /**< LFCLK crystal oscillator 30 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_XTAL_20_PPM, /**< LFCLK crystal oscillator 20 PPM accuracy. */ + NRF_CLOCK_LFCLKSRC_RC_250_PPM_250MS_CALIBRATION, /**< LFCLK RC oscillator, 250ms calibration interval.*/ + NRF_CLOCK_LFCLKSRC_RC_250_PPM_500MS_CALIBRATION, /**< LFCLK RC oscillator, 500ms calibration interval.*/ + NRF_CLOCK_LFCLKSRC_RC_250_PPM_1000MS_CALIBRATION, /**< LFCLK RC oscillator, 1000ms calibration interval.*/ + NRF_CLOCK_LFCLKSRC_RC_250_PPM_2000MS_CALIBRATION, /**< LFCLK RC oscillator, 2000ms calibration interval.*/ + NRF_CLOCK_LFCLKSRC_RC_250_PPM_4000MS_CALIBRATION, /**< LFCLK RC oscillator, 4000ms calibration interval.*/ + NRF_CLOCK_LFCLKSRC_RC_250_PPM_8000MS_CALIBRATION, /**< LFCLK RC oscillator, 8000ms calibration interval.*/ +}; + +/** @} */ + +/** @addtogroup NRF_SDM_TYPES Types + * @{ */ + +/**@brief Type representing lfclk oscillator source. */ +typedef uint32_t nrf_clock_lfclksrc_t; + + +/**@brief SoftDevice Assertion Handler type. + * + * When an unexpected error occurs within the SoftDevice it will call the SoftDevice assertion handler callback. + * The protocol stack will be in an undefined state when this happens and the only way to recover will be to + * perform a reset, using e.g. CMSIS NVIC_SystemReset(). + * + * @note This callback is executed in HardFault context, thus SVC functions cannot be called from the SoftDevice assert callback. + * + * @param[in] pc The program counter of the failed assert. + * @param[in] line_number Line number where the assert failed. + * @param[in] file_name File name where the assert failed. + */ +typedef void (*softdevice_assertion_handler_t)(uint32_t pc, uint16_t line_number, const uint8_t * p_file_name); + +/** @} */ + +/** @addtogroup NRF_SDM_FUNCTIONS Functions + * @{ */ + +/**@brief Enables the SoftDevice and by extension the protocol stack. + * + * Idempotent function to enable the SoftDevice. + * + * @note Some care must be taken if a low frequency clock source is already running when calling this function: + * If the LF clock has a different source then the one currently running, it will be stopped. Then, the new + * clock source will be started. + * + * @note This function has no effect when returning with an error. + * + * @post If return code is ::NRF_SUCCESS + * - SoC library and protocol stack APIs are made available + * - A portion of RAM will be unavailable (see relevant SDS documentation) + * - Some peripherals will be unavailable or available only through the SoC API (see relevant SDS documentation) + * - Interrupts will not arrive from protected peripherals or interrupts + * - nrf_nvic_ functions must be used instead of CMSIS NVIC_ functions for reliable usage of the softdevice. + * - Interrupt latency may be affected by the SoftDevice (see relevant SDS documentation) + * - Chosen low frequency clock source will be running + * + * @param clock_source Low frequency clock source and accuracy. (Note: In the case of XTAL source, the PPM accuracy of the chosen clock source must be greater than or equal to the actual characteristics of your XTAL clock). + * @param assertion_handler Callback for SoftDevice assertions. + * + * @retval ::NRF_SUCCESS + * @retval ::NRF_ERROR_SDM_INCORRECT_INTERRUPT_CONFIGURATION SoftDeviceinterrupt is already enabled, or an enabled interrupt has an illegal priority level + * @retval ::NRF_ERROR_SDM_LFCLK_SOURCE_UNKNOWN Unknown low frequency clock source selected + */ +SVCALL(SD_SOFTDEVICE_ENABLE, uint32_t, sd_softdevice_enable(nrf_clock_lfclksrc_t clock_source, softdevice_assertion_handler_t assertion_handler)); + +/**@brief Disables the SoftDevice and by extension the protocol stack. + * + * Idempotent function to disable the SoftDevice. + * + * @post SoC library and protocol stack APIs are made unavailable. + * @post All interrupts that was protected by the SoftDevice will be disabled and initialized to priority 0 (highest). + * @post All peripherals used by the SoftDevice will be reset to default values. + * @post All of RAM become available. + * @post All interrupts are forwarded to the application. + * @post LFCLK source chosen in ::sd_softdevice_enable will be left running. + * + * @retval ::NRF_SUCCESS + */ +SVCALL(SD_SOFTDEVICE_DISABLE, uint32_t, sd_softdevice_disable(void)); + +/**@brief Check if the SoftDevice is enabled. + * + * @param[out] p_softdevice_enabled If the SoftDevice is enabled: 1 else 0. + * + * @retval ::NRF_SUCCESS + */ +SVCALL(SD_SOFTDEVICE_IS_ENABLED, uint32_t, sd_softdevice_is_enabled(uint8_t * p_softdevice_enabled)); + +/**@brief Start forwarding interrupts to application. + * + * This function is only intended to be called when a bootloader is enabled is used. + * The bootloader should call this right before it starts the application. + * It is recommended that all interrupt sources are off when this is called, + * or you could end up having interrupts in the application being executed before main() of the application. + * + * @retval ::NRF_SUCCESS + */ +SVCALL(SD_SOFTDEVICE_FORWARD_TO_APPLICATION, uint32_t, sd_softdevice_forward_to_application(void)); + +/** @} */ + +#endif // NRF_SDM_H__ + +/** + @} +*/