diff --git a/.vscode/c_cpp_properties.app.json b/.vscode/c_cpp_properties.app.json new file mode 100644 index 0000000..79227f7 --- /dev/null +++ b/.vscode/c_cpp_properties.app.json @@ -0,0 +1,241 @@ +{ + "configurations": [ + { + "name": "nrf52833_xxaa", + "includePath": [ + "libznordic\\include", + "sdk/external/fatfs/src/", + "sdk/external/fatfs/src/", + "sdk/external/fatfs/port/", + "sdk/components/libraries/block_dev/sdc/", + "sdk/components/libraries/block_dev/", + "sdk\\config", + "app\\src", + "sdk\\components", + "sdk\\components\\ble\\ble_advertising", + "sdk\\components\\ble\\ble_dtm", + "sdk\\components\\ble\\ble_link_ctx_manager", + "sdk\\components\\ble\\ble_racp", + "sdk\\components\\ble\\ble_services\\ble_ancs_c", + "sdk\\components\\ble\\ble_services\\ble_ans_c", + "sdk\\components\\ble\\ble_services\\ble_bas", + "sdk\\components\\ble\\ble_services\\ble_bas_c", + "sdk\\components\\ble\\ble_services\\ble_cscs", + "sdk\\components\\ble\\ble_services\\ble_cts_c", + "sdk\\components\\ble\\ble_services\\ble_dfu", + "sdk\\components\\ble\\ble_services\\ble_dis", + "sdk\\components\\ble\\ble_services\\ble_gls", + "sdk\\components\\ble\\ble_services\\ble_hids", + "sdk\\components\\ble\\ble_services\\ble_hrs", + "sdk\\components\\ble\\ble_services\\ble_hrs_c", + "sdk\\components\\ble\\ble_services\\ble_hts", + "sdk\\components\\ble\\ble_services\\ble_ias", + "sdk\\components\\ble\\ble_services\\ble_ias_c", + "sdk\\components\\ble\\ble_services\\ble_lbs", + "sdk\\components\\ble\\ble_services\\ble_lbs_c", + "sdk\\components\\ble\\ble_services\\ble_lls", + "sdk\\components\\ble\\ble_services\\ble_nus", + "sdk\\components\\ble\\ble_services\\ble_nus_c", + "sdk\\components\\ble\\ble_services\\ble_rscs", + "sdk\\components\\ble\\ble_services\\ble_rscs_c", + "sdk\\components\\ble\\ble_services\\ble_tps", + "sdk\\components\\ble\\common", + "sdk\\components\\ble\\nrf_ble_gatt", + "sdk\\components\\ble\\nrf_ble_qwr", + "sdk\\components\\ble\\peer_manager", + "sdk\\components\\boards", + "sdk\\components\\libraries\\atomic", + "sdk\\components\\libraries\\atomic_fifo", + "sdk\\components\\libraries\\atomic_flags", + "sdk\\components\\libraries\\balloc", + "sdk\\components\\libraries\\bootloader\\ble_dfu", + "sdk\\components\\libraries\\bsp", + "sdk\\components\\libraries\\button", + "sdk\\components\\libraries\\cli", + "sdk\\components\\libraries\\crc16", + "sdk\\components\\libraries\\crc32", + "sdk\\components\\libraries\\crypto", + "sdk\\components\\libraries\\csense", + "sdk\\components\\libraries\\csense_drv", + "sdk\\components\\libraries\\delay", + "sdk\\components\\libraries\\ecc", + "sdk\\components\\libraries\\experimental_section_vars", + "sdk\\components\\libraries\\experimental_task_manager", + "sdk\\components\\libraries\\fds", + "sdk\\components\\libraries\\fifo", + "sdk\\components\\libraries\\fstorage", + "sdk\\components\\libraries\\gfx", + "sdk\\components\\libraries\\gpiote", + "sdk\\components\\libraries\\hardfault", + "sdk\\components\\libraries\\hci", + "sdk\\components\\libraries\\led_softblink", + "sdk\\components\\libraries\\log", + "sdk\\components\\libraries\\log\\src", + "sdk\\components\\libraries\\low_power_pwm", + "sdk\\components\\libraries\\mem_manager", + "sdk\\components\\libraries\\memobj", + "sdk\\components\\libraries\\mpu", + "sdk\\components\\libraries\\mutex", + "sdk\\components\\libraries\\pwm", + "sdk\\components\\libraries\\pwr_mgmt", + "sdk\\components\\libraries\\queue", + "sdk\\components\\libraries\\ringbuf", + "sdk\\components\\libraries\\scheduler", + "sdk\\components\\libraries\\sdcard", + "sdk\\components\\libraries\\slip", + "sdk\\components\\libraries\\sortlist", + "sdk\\components\\libraries\\spi_mngr", + "sdk\\components\\libraries\\stack_guard", + "sdk\\components\\libraries\\strerror", + "sdk\\components\\libraries\\svc", + "sdk\\components\\libraries\\timer", + "sdk\\components\\libraries\\twi_mngr", + "sdk\\components\\libraries\\twi_sensor", + "sdk\\components\\libraries\\uart", + "sdk\\components\\libraries\\usbd", + "sdk\\components\\libraries\\usbd\\class\\audio", + "sdk\\components\\libraries\\usbd\\class\\cdc", + "sdk\\components\\libraries\\usbd\\class\\cdc\\acm", + "sdk\\components\\libraries\\usbd\\class\\hid", + "sdk\\components\\libraries\\usbd\\class\\hid\\generic", + "sdk\\components\\libraries\\usbd\\class\\hid\\kbd", + "sdk\\components\\libraries\\usbd\\class\\hid\\mouse", + "sdk\\components\\libraries\\usbd\\class\\msc", + "sdk\\components\\libraries\\util", + "sdk\\components\\nfc\\ndef\\conn_hand_parser", + "sdk\\components\\nfc\\ndef\\conn_hand_parser\\ac_rec_parser", + "sdk\\components\\nfc\\ndef\\conn_hand_parser\\ble_oob_advdata_parser", + "sdk\\components\\nfc\\ndef\\conn_hand_parser\\le_oob_rec_parser", + "sdk\\components\\nfc\\ndef\\connection_handover\\ac_rec", + "sdk\\components\\nfc\\ndef\\connection_handover\\ble_oob_advdata", + "sdk\\components\\nfc\\ndef\\connection_handover\\ble_pair_lib", + "sdk\\components\\nfc\\ndef\\connection_handover\\ble_pair_msg", + "sdk\\components\\nfc\\ndef\\connection_handover\\common", + "sdk\\components\\nfc\\ndef\\connection_handover\\ep_oob_rec", + "sdk\\components\\nfc\\ndef\\connection_handover\\hs_rec", + "sdk\\components\\nfc\\ndef\\connection_handover\\le_oob_rec", + "sdk\\components\\nfc\\ndef\\generic\\message", + "sdk\\components\\nfc\\ndef\\generic\\record", + "sdk\\components\\nfc\\ndef\\launchapp", + "sdk\\components\\nfc\\ndef\\parser\\message", + "sdk\\components\\nfc\\ndef\\parser\\record", + "sdk\\components\\nfc\\ndef\\text", + "sdk\\components\\nfc\\ndef\\uri", + "sdk\\components\\nfc\\platform", + "sdk\\components\\nfc\\t2t_lib", + "sdk\\components\\nfc\\t2t_parser", + "sdk\\components\\nfc\\t4t_lib", + "sdk\\components\\nfc\\t4t_parser\\apdu", + "sdk\\components\\nfc\\t4t_parser\\cc_file", + "sdk\\components\\nfc\\t4t_parser\\hl_detection_procedure", + "sdk\\components\\nfc\\t4t_parser\\tlv", + "sdk\\components\\softdevice\\common", + "sdk\\components\\softdevice\\s140\\headers", + "sdk\\components\\softdevice\\s140\\headers\\nrf52", + "sdk\\external\\fprintf", + "sdk\\external\\segger_rtt", + "sdk\\external\\utf_converter", + "sdk\\integration\\nrfx", + "sdk\\integration\\nrfx\\legacy", + "sdk\\modules\\nrfx", + "sdk\\modules\\nrfx\\drivers\\include", + "sdk\\modules\\nrfx\\hal", + "app\\config\\", + "app\\config", + "app", + "sdk\\modules\\nrfx\\soc", + "sdk\\modules\\nrfx\\drivers\\src", + "sdk\\modules\\nrfx\\drivers\\src\\prs", + "sdk\\modules\\nrfx\\mdk\\", + "sdk\\components\\toolchain\\cmsis\\include\\" + ], + "defines": [ + "APP_TIMER_V2", + "APP_TIMER_V2_RTC1_ENABLED", + "BOARD_PCA10100", + "CONFIG_GPIO_AS_PINRESET", + "FLOAT_ABI_HARD", + "NRF52833_XXAA", + "NRF_SD_BLE_API_VERSION=7", + "S140", + "SOFTDEVICE_PRESENT", + "__HEAP_SIZE=2048", + "__STACK_SIZE=2048", + "__CC_ARM", + "__arm__", + "__align(x)=", + "__ALIGNOF__(x)=", + "__alignof__(x)=", + "__asm(x)=", + "__forceinline=", + "__restrict=", + "__global_reg(n)=", + "__inline=", + "__int64=long long", + "__INTADDR__(expr)=0", + "__irq=", + "__packed=", + "__pure=", + "__smc(n)=", + "__svc(n)=", + "__svc_indirect(n)=", + "__svc_indirect_r7(n)=", + "__value_in_regs=", + "__weak=", + "__writeonly=", + "__declspec(x)=", + "__attribute__(x)=", + "__nonnull__(x)=", + "__register=", + "__breakpoint(x)=", + "__cdp(x,y,z)=", + "__clrex()=", + "__clz(x)=0U", + "__current_pc()=0U", + "__current_sp()=0U", + "__disable_fiq()=", + "__disable_irq()=", + "__dmb(x)=", + "__dsb(x)=", + "__enable_fiq()=", + "__enable_irq()=", + "__fabs(x)=0.0", + "__fabsf(x)=0.0f", + "__force_loads()=", + "__force_stores()=", + "__isb(x)=", + "__ldrex(x)=0U", + "__ldrexd(x)=0U", + "__ldrt(x)=0U", + "__memory_changed()=", + "__nop()=", + "__pld(...)=", + "__pli(...)=", + "__qadd(x,y)=0", + "__qdbl(x)=0", + "__qsub(x,y)=0", + "__rbit(x)=0U", + "__rev(x)=0U", + "__return_address()=0U", + "__ror(x,y)=0U", + "__schedule_barrier()=", + "__semihost(x,y)=0", + "__sev()=", + "__sqrt(x)=0.0", + "__sqrtf(x)=0.0f", + "__ssat(x,y)=0", + "__strex(x,y)=0U", + "__strexd(x,y)=0", + "__strt(x,y)=", + "__swp(x,y)=0U", + "__usat(x,y)=0U", + "__wfe()=", + "__wfi()=", + "__yield()=", + "__vfp_status(x,y)=0" + ], + "intelliSenseMode": "${default}" + } + ], + "version": 4 +} \ No newline at end of file diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json index 79227f7..600a0af 100644 --- a/.vscode/c_cpp_properties.json +++ b/.vscode/c_cpp_properties.json @@ -3,18 +3,20 @@ { "name": "nrf52833_xxaa", "includePath": [ - "libznordic\\include", - "sdk/external/fatfs/src/", - "sdk/external/fatfs/src/", - "sdk/external/fatfs/port/", - "sdk/components/libraries/block_dev/sdc/", - "sdk/components/libraries/block_dev/", - "sdk\\config", - "app\\src", + "sdk\\components\\ble\\nrf_ble_gq\\", + "sdk\\components\\softdevice\\mbr\\headers\\", + "sdk\\components\\ble\\common\\", + "sdk\\components\\ble\\ble_db_discovery\\", + "sdk\\components\\toolchain\\cmsis\\include\\", + "ble_app_uart_c\\config", + "sdk\\components\\libraries\\util\\", + "sdk\\modules\\nrfx\\mdk\\", + "sdk\\components\\softdevice\\s140\\headers", + "ble_app_uart_c\\config", "sdk\\components", "sdk\\components\\ble\\ble_advertising", + "sdk\\components\\ble\\ble_db_discovery", "sdk\\components\\ble\\ble_dtm", - "sdk\\components\\ble\\ble_link_ctx_manager", "sdk\\components\\ble\\ble_racp", "sdk\\components\\ble\\ble_services\\ble_ancs_c", "sdk\\components\\ble\\ble_services\\ble_ans_c", @@ -41,12 +43,13 @@ "sdk\\components\\ble\\ble_services\\ble_tps", "sdk\\components\\ble\\common", "sdk\\components\\ble\\nrf_ble_gatt", + "sdk\\components\\ble\\nrf_ble_gq", "sdk\\components\\ble\\nrf_ble_qwr", + "sdk\\components\\ble\\nrf_ble_scan", "sdk\\components\\ble\\peer_manager", "sdk\\components\\boards", "sdk\\components\\libraries\\atomic", "sdk\\components\\libraries\\atomic_fifo", - "sdk\\components\\libraries\\atomic_flags", "sdk\\components\\libraries\\balloc", "sdk\\components\\libraries\\bootloader\\ble_dfu", "sdk\\components\\libraries\\bsp", @@ -130,8 +133,8 @@ "sdk\\components\\nfc\\t4t_parser\\hl_detection_procedure", "sdk\\components\\nfc\\t4t_parser\\tlv", "sdk\\components\\softdevice\\common", - "sdk\\components\\softdevice\\s140\\headers", - "sdk\\components\\softdevice\\s140\\headers\\nrf52", + "sdk\\components\\softdevice\\s122\\headers", + "sdk\\components\\softdevice\\s122\\headers\\nrf52", "sdk\\external\\fprintf", "sdk\\external\\segger_rtt", "sdk\\external\\utf_converter", @@ -140,24 +143,21 @@ "sdk\\modules\\nrfx", "sdk\\modules\\nrfx\\drivers\\include", "sdk\\modules\\nrfx\\hal", - "app\\config\\", - "app\\config", - "app", + "config", + "ble_app_uart_c", "sdk\\modules\\nrfx\\soc", "sdk\\modules\\nrfx\\drivers\\src", - "sdk\\modules\\nrfx\\drivers\\src\\prs", - "sdk\\modules\\nrfx\\mdk\\", - "sdk\\components\\toolchain\\cmsis\\include\\" + "sdk\\modules\\nrfx\\drivers\\src\\prs" ], "defines": [ "APP_TIMER_V2", "APP_TIMER_V2_RTC1_ENABLED", - "BOARD_PCA10100", + "BOARD_QING_FENG_NRF52833", "CONFIG_GPIO_AS_PINRESET", "FLOAT_ABI_HARD", "NRF52833_XXAA", - "NRF_SD_BLE_API_VERSION=7", - "S140", + "NRF_SD_BLE_API_VERSION=8", + "S122", "SOFTDEVICE_PRESENT", "__HEAP_SIZE=2048", "__STACK_SIZE=2048", @@ -235,6 +235,124 @@ "__vfp_status(x,y)=0" ], "intelliSenseMode": "${default}" + }, + { + "name": "flash_s122_nrf52_8.0.0_softdevice", + "includePath": [ + "ble_app_uart_c\\config", + "config", + "ble_app_uart_c", + "sdk\\components\\boards", + "sdk\\components\\libraries\\bsp", + "sdk\\external\\utf_converter", + "sdk\\components\\ble\\common", + "sdk\\components\\ble\\ble_db_discovery", + "sdk\\components\\ble\\nrf_ble_gatt", + "sdk\\components\\ble\\nrf_ble_gq", + "sdk\\components\\ble\\nrf_ble_scan", + "sdk\\integration\\nrfx\\legacy", + "sdk\\modules\\nrfx\\soc", + "sdk\\modules\\nrfx\\drivers\\src", + "sdk\\modules\\nrfx\\drivers\\src\\prs", + "sdk\\components\\libraries\\button", + "sdk\\components\\libraries\\util", + "sdk\\components\\libraries\\fifo", + "sdk\\components\\libraries\\scheduler", + "sdk\\components\\libraries\\timer", + "sdk\\components\\libraries\\uart", + "sdk\\components\\libraries\\hardfault", + "sdk\\components\\libraries\\atomic_fifo", + "sdk\\components\\libraries\\atomic", + "sdk\\components\\libraries\\balloc", + "sdk\\external\\fprintf", + "sdk\\components\\libraries\\memobj", + "sdk\\components\\libraries\\pwr_mgmt", + "sdk\\components\\libraries\\queue", + "sdk\\components\\libraries\\ringbuf", + "sdk\\components\\libraries\\experimental_section_vars", + "sdk\\components\\libraries\\sortlist", + "sdk\\components\\libraries\\strerror", + "sdk\\components\\libraries\\log\\src", + "sdk\\external\\segger_rtt", + "sdk\\components\\softdevice\\common" + ], + "defines": [ + "__HEAP_SIZE=2048", + "__STACK_SIZE=2048", + "__CC_ARM", + "__arm__", + "__align(x)=", + "__ALIGNOF__(x)=", + "__alignof__(x)=", + "__asm(x)=", + "__forceinline=", + "__restrict=", + "__global_reg(n)=", + "__inline=", + "__int64=long long", + "__INTADDR__(expr)=0", + "__irq=", + "__packed=", + "__pure=", + "__smc(n)=", + "__svc(n)=", + "__svc_indirect(n)=", + "__svc_indirect_r7(n)=", + "__value_in_regs=", + "__weak=", + "__writeonly=", + "__declspec(x)=", + "__attribute__(x)=", + "__nonnull__(x)=", + "__register=", + "__breakpoint(x)=", + "__cdp(x,y,z)=", + "__clrex()=", + "__clz(x)=0U", + "__current_pc()=0U", + "__current_sp()=0U", + "__disable_fiq()=", + "__disable_irq()=", + "__dmb(x)=", + "__dsb(x)=", + "__enable_fiq()=", + "__enable_irq()=", + "__fabs(x)=0.0", + "__fabsf(x)=0.0f", + "__force_loads()=", + "__force_stores()=", + "__isb(x)=", + "__ldrex(x)=0U", + "__ldrexd(x)=0U", + "__ldrt(x)=0U", + "__memory_changed()=", + "__nop()=", + "__pld(...)=", + "__pli(...)=", + "__qadd(x,y)=0", + "__qdbl(x)=0", + "__qsub(x,y)=0", + "__rbit(x)=0U", + "__rev(x)=0U", + "__return_address()=0U", + "__ror(x,y)=0U", + "__schedule_barrier()=", + "__semihost(x,y)=0", + "__sev()=", + "__sqrt(x)=0.0", + "__sqrtf(x)=0.0f", + "__ssat(x,y)=0", + "__strex(x,y)=0U", + "__strexd(x,y)=0", + "__strt(x,y)=", + "__swp(x,y)=0U", + "__usat(x,y)=0U", + "__wfe()=", + "__wfi()=", + "__yield()=", + "__vfp_status(x,y)=0" + ], + "intelliSenseMode": "${default}" } ], "version": 4 diff --git a/.vscode/settings.json b/.vscode/settings.json index c5d872b..a781f04 100644 --- a/.vscode/settings.json +++ b/.vscode/settings.json @@ -61,6 +61,21 @@ "znordic.h": "c", "ads1293.h": "c", "app_scheduler.h": "c", - "stdbool.h": "c" + "stdbool.h": "c", + "stdlib.h": "c", + "zble_nus_c.h": "c", + "ble.h": "c", + "ble_gattc.h": "c", + "ble_gatt.h": "c", + "ble_gap.h": "c", + "sdk_common.h": "c", + "app_error.h": "c", + "ble_gatts.h": "c", + "sdk_macros.h": "c", + "app_util.h": "c", + "ble_types.h": "c", + "ble_db_discovery.h": "c", + "ble_gatt_db.h": "c", + "nrf_ble_gq.h": "c" } } \ No newline at end of file diff --git a/ble_app_uart_c/.vscode/keil-assistant.log b/ble_app_uart_c/.vscode/keil-assistant.log new file mode 100644 index 0000000..b509f2e --- /dev/null +++ b/ble_app_uart_c/.vscode/keil-assistant.log @@ -0,0 +1,2 @@ +[info] Log at : 2024/1/25|13:55:45|GMT+0800 + diff --git a/ble_app_uart_c/.vscode/uv4.log.lock b/ble_app_uart_c/.vscode/uv4.log.lock new file mode 100644 index 0000000..e69de29 diff --git a/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvguix.h_zha b/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvguix.h_zha index d7a49b4..3fa1386 100644 --- a/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvguix.h_zha +++ b/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvguix.h_zha @@ -6,7 +6,7 @@
### uVision Project, (C) Keil Software
- + D:\workspace\nordic_wp\conduction1_dynamic_electrocardiograph\ble_app_uart_c diff --git a/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvoptx b/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvoptx index 2874cf3..a6f5e42 100644 --- a/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvoptx +++ b/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvoptx @@ -527,7 +527,7 @@ nRF_BLE_Services - 0 + 1 0 0 0 @@ -538,8 +538,8 @@ 0 0 0 - ..\sdk\components\ble\ble_services\ble_nus_c\ble_nus_c.c - ble_nus_c.c + .\zble_nus_c.c + zble_nus_c.c 0 0 diff --git a/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvprojx b/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvprojx index 9d7b029..aeebc47 100644 --- a/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvprojx +++ b/ble_app_uart_c/ble_app_uart_c_pca10100_s122.uvprojx @@ -979,60 +979,9 @@ nRF_BLE_Services - ble_nus_c.c + zble_nus_c.c 1 - ..\sdk\components\ble\ble_services\ble_nus_c\ble_nus_c.c - - - 0 - 0 - 0 - 0 - 0 - 1 - 2 - 2 - 2 - 2 - 11 - - - 1 - - - - 2 - 0 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 0 - 2 - 2 - 2 - 2 - 2 - 0 - 0 - 2 - 2 - 2 - 2 - 2 - - - - - - - - - + .\zble_nus_c.c @@ -4505,60 +4454,9 @@ nRF_BLE_Services - ble_nus_c.c + zble_nus_c.c 1 - ..\sdk\components\ble\ble_services\ble_nus_c\ble_nus_c.c - - - 0 - 0 - 0 - 0 - 0 - 0 - 2 - 2 - 2 - 2 - 11 - - - 1 - - - - 2 - 0 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 2 - 0 - 2 - 2 - 2 - 2 - 2 - 0 - 0 - 2 - 2 - 2 - 2 - 2 - - - - - - - - - + .\zble_nus_c.c diff --git a/ble_app_uart_c/main.c b/ble_app_uart_c/main.c index ef64d6e..30237f0 100644 --- a/ble_app_uart_c/main.c +++ b/ble_app_uart_c/main.c @@ -53,7 +53,7 @@ #include "nrf_sdh.h" #include "nrf_sdh_ble.h" #include "nrf_sdh_soc.h" -#include "ble_nus_c.h" +#include "zble_nus_c.h" #include "nrf_ble_gatt.h" #include "nrf_pwr_mgmt.h" #include "nrf_ble_scan.h" diff --git a/ble_app_uart_c/zble_nus_c.c b/ble_app_uart_c/zble_nus_c.c new file mode 100644 index 0000000..fac75fc --- /dev/null +++ b/ble_app_uart_c/zble_nus_c.c @@ -0,0 +1,319 @@ +/** + * Copyright (c) 2012 - 2021, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#include "sdk_common.h" +#if 1 +#include + +#include "ble.h" +#include "zble_nus_c.h" +#include "ble_gattc.h" +#include "ble_srv_common.h" +#include "app_error.h" + +#define NRF_LOG_MODULE_NAME ble_nus_c +#include "nrf_log.h" +NRF_LOG_MODULE_REGISTER(); + + +/**@brief Function for intercepting the errors of GATTC and the BLE GATT Queue. + * + * @param[in] nrf_error Error code. + * @param[in] p_ctx Parameter from the event handler. + * @param[in] conn_handle Connection handle. + */ +static void gatt_error_handler(uint32_t nrf_error, + void * p_ctx, + uint16_t conn_handle) +{ + ble_nus_c_t * p_ble_nus_c = (ble_nus_c_t *)p_ctx; + + NRF_LOG_DEBUG("A GATT Client error has occurred on conn_handle: 0X%X", conn_handle); + + if (p_ble_nus_c->error_handler != NULL) + { + p_ble_nus_c->error_handler(nrf_error); + } +} + + +void ble_nus_c_on_db_disc_evt(ble_nus_c_t * p_ble_nus_c, ble_db_discovery_evt_t * p_evt) +{ + ble_nus_c_evt_t nus_c_evt; + memset(&nus_c_evt,0,sizeof(ble_nus_c_evt_t)); + + ble_gatt_db_char_t * p_chars = p_evt->params.discovered_db.charateristics; + + // Check if the NUS was discovered. + if ( (p_evt->evt_type == BLE_DB_DISCOVERY_COMPLETE) + && (p_evt->params.discovered_db.srv_uuid.uuid == BLE_UUID_NUS_SERVICE) + && (p_evt->params.discovered_db.srv_uuid.type == p_ble_nus_c->uuid_type)) + { + for (uint32_t i = 0; i < p_evt->params.discovered_db.char_count; i++) + { + switch (p_chars[i].characteristic.uuid.uuid) + { + case BLE_UUID_NUS_RX_CHARACTERISTIC: + nus_c_evt.handles.nus_rx_handle = p_chars[i].characteristic.handle_value; + break; + + case BLE_UUID_NUS_TX_CHARACTERISTIC: + nus_c_evt.handles.nus_tx_handle = p_chars[i].characteristic.handle_value; + nus_c_evt.handles.nus_tx_cccd_handle = p_chars[i].cccd_handle; + break; + + case BLE_UUID_NUS_TX_BLOCK_CHARACTERISTIC: + nus_c_evt.handles.nus_tx_block_handle = p_chars[i].characteristic.handle_value; + nus_c_evt.handles.nus_tx_cccd_handle = p_chars[i].cccd_handle; + break; + + default: + break; + } + } + if (p_ble_nus_c->evt_handler != NULL) + { + nus_c_evt.conn_handle = p_evt->conn_handle; + nus_c_evt.evt_type = BLE_NUS_C_EVT_DISCOVERY_COMPLETE; + p_ble_nus_c->evt_handler(p_ble_nus_c, &nus_c_evt); + } + } +} + +/**@brief Function for handling Handle Value Notification received from the SoftDevice. + * + * @details This function uses the Handle Value Notification received from the SoftDevice + * and checks if it is a notification of the NUS TX characteristic from the peer. + * If it is, this function decodes the data and sends it to the application. + * + * @param[in] p_ble_nus_c Pointer to the NUS Client structure. + * @param[in] p_ble_evt Pointer to the BLE event received. + */ +static void on_hvx(ble_nus_c_t * p_ble_nus_c, ble_evt_t const * p_ble_evt) +{ + // HVX can only occur from client sending. + if ( (p_ble_nus_c->handles.nus_tx_handle != BLE_GATT_HANDLE_INVALID) + && (p_ble_evt->evt.gattc_evt.params.hvx.handle == p_ble_nus_c->handles.nus_tx_handle) + && (p_ble_nus_c->evt_handler != NULL)) + { + ble_nus_c_evt_t ble_nus_c_evt; + + ble_nus_c_evt.evt_type = BLE_NUS_C_EVT_NUS_TX_EVT; + ble_nus_c_evt.p_data = (uint8_t *)p_ble_evt->evt.gattc_evt.params.hvx.data; + ble_nus_c_evt.data_len = p_ble_evt->evt.gattc_evt.params.hvx.len; + + p_ble_nus_c->evt_handler(p_ble_nus_c, &ble_nus_c_evt); + NRF_LOG_DEBUG("Client sending data."); + } + + if ( (p_ble_nus_c->handles.nus_tx_block_handle != BLE_GATT_HANDLE_INVALID) + && (p_ble_evt->evt.gattc_evt.params.hvx.handle == p_ble_nus_c->handles.nus_tx_block_handle) + && (p_ble_nus_c->evt_handler != NULL)) + { + ble_nus_c_evt_t ble_nus_c_evt; + + ble_nus_c_evt.evt_type = BLE_NUS_C_EVT_NUS_TX_BLOCK_EVT; + ble_nus_c_evt.p_data = (uint8_t *)p_ble_evt->evt.gattc_evt.params.hvx.data; + ble_nus_c_evt.data_len = p_ble_evt->evt.gattc_evt.params.hvx.len; + + p_ble_nus_c->evt_handler(p_ble_nus_c, &ble_nus_c_evt); + NRF_LOG_DEBUG("Client sending data."); + } +} + +uint32_t ble_nus_c_init(ble_nus_c_t * p_ble_nus_c, ble_nus_c_init_t * p_ble_nus_c_init) +{ + uint32_t err_code; + ble_uuid_t uart_uuid; + ble_uuid128_t nus_base_uuid = NUS_BASE_UUID; + + VERIFY_PARAM_NOT_NULL(p_ble_nus_c); + VERIFY_PARAM_NOT_NULL(p_ble_nus_c_init); + VERIFY_PARAM_NOT_NULL(p_ble_nus_c_init->p_gatt_queue); + + err_code = sd_ble_uuid_vs_add(&nus_base_uuid, &p_ble_nus_c->uuid_type); + VERIFY_SUCCESS(err_code); + + uart_uuid.type = p_ble_nus_c->uuid_type; + uart_uuid.uuid = BLE_UUID_NUS_SERVICE; + + p_ble_nus_c->conn_handle = BLE_CONN_HANDLE_INVALID; + p_ble_nus_c->evt_handler = p_ble_nus_c_init->evt_handler; + p_ble_nus_c->error_handler = p_ble_nus_c_init->error_handler; + p_ble_nus_c->handles.nus_tx_handle = BLE_GATT_HANDLE_INVALID; + p_ble_nus_c->handles.nus_tx_block_handle = BLE_GATT_HANDLE_INVALID; + p_ble_nus_c->handles.nus_rx_handle = BLE_GATT_HANDLE_INVALID; + p_ble_nus_c->p_gatt_queue = p_ble_nus_c_init->p_gatt_queue; + + return ble_db_discovery_evt_register(&uart_uuid); +} + +void ble_nus_c_on_ble_evt(ble_evt_t const * p_ble_evt, void * p_context) +{ + ble_nus_c_t * p_ble_nus_c = (ble_nus_c_t *)p_context; + + if ((p_ble_nus_c == NULL) || (p_ble_evt == NULL)) + { + return; + } + + if ( (p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID) + ||(p_ble_nus_c->conn_handle != p_ble_evt->evt.gap_evt.conn_handle) + ) + { + return; + } + + switch (p_ble_evt->header.evt_id) + { + case BLE_GATTC_EVT_HVX: + on_hvx(p_ble_nus_c, p_ble_evt); + break; + + case BLE_GAP_EVT_DISCONNECTED: + if (p_ble_evt->evt.gap_evt.conn_handle == p_ble_nus_c->conn_handle + && p_ble_nus_c->evt_handler != NULL) + { + ble_nus_c_evt_t nus_c_evt; + + nus_c_evt.evt_type = BLE_NUS_C_EVT_DISCONNECTED; + + p_ble_nus_c->conn_handle = BLE_CONN_HANDLE_INVALID; + p_ble_nus_c->evt_handler(p_ble_nus_c, &nus_c_evt); + } + break; + + default: + // No implementation needed. + break; + } +} + +/**@brief Function for creating a message for writing to the CCCD. */ +static uint32_t cccd_configure(ble_nus_c_t * p_ble_nus_c, bool notification_enable) +{ + nrf_ble_gq_req_t cccd_req; + uint8_t cccd[BLE_CCCD_VALUE_LEN]; + uint16_t cccd_val = notification_enable ? BLE_GATT_HVX_NOTIFICATION : 0; + + memset(&cccd_req, 0, sizeof(nrf_ble_gq_req_t)); + + cccd[0] = LSB_16(cccd_val); + cccd[1] = MSB_16(cccd_val); + + cccd_req.type = NRF_BLE_GQ_REQ_GATTC_WRITE; + cccd_req.error_handler.cb = gatt_error_handler; + cccd_req.error_handler.p_ctx = p_ble_nus_c; + cccd_req.params.gattc_write.handle = p_ble_nus_c->handles.nus_tx_cccd_handle; + cccd_req.params.gattc_write.len = BLE_CCCD_VALUE_LEN; + cccd_req.params.gattc_write.offset = 0; + cccd_req.params.gattc_write.p_value = cccd; + cccd_req.params.gattc_write.write_op = BLE_GATT_OP_WRITE_REQ; + cccd_req.params.gattc_write.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE; + + return nrf_ble_gq_item_add(p_ble_nus_c->p_gatt_queue, &cccd_req, p_ble_nus_c->conn_handle); +} + + +uint32_t ble_nus_c_tx_notif_enable(ble_nus_c_t * p_ble_nus_c) +{ + VERIFY_PARAM_NOT_NULL(p_ble_nus_c); + + if ( (p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID) + ||(p_ble_nus_c->handles.nus_tx_cccd_handle == BLE_GATT_HANDLE_INVALID) + ) + { + return NRF_ERROR_INVALID_STATE; + } + return cccd_configure(p_ble_nus_c, true); +} + + +uint32_t ble_nus_c_string_send(ble_nus_c_t * p_ble_nus_c, uint8_t * p_string, uint16_t length) +{ + VERIFY_PARAM_NOT_NULL(p_ble_nus_c); + + nrf_ble_gq_req_t write_req; + + memset(&write_req, 0, sizeof(nrf_ble_gq_req_t)); + + if (length > BLE_NUS_MAX_DATA_LEN) + { + NRF_LOG_WARNING("Content too long."); + return NRF_ERROR_INVALID_PARAM; + } + if (p_ble_nus_c->conn_handle == BLE_CONN_HANDLE_INVALID) + { + NRF_LOG_WARNING("Connection handle invalid."); + return NRF_ERROR_INVALID_STATE; + } + + write_req.type = NRF_BLE_GQ_REQ_GATTC_WRITE; + write_req.error_handler.cb = gatt_error_handler; + write_req.error_handler.p_ctx = p_ble_nus_c; + write_req.params.gattc_write.handle = p_ble_nus_c->handles.nus_rx_handle; + write_req.params.gattc_write.len = length; + write_req.params.gattc_write.offset = 0; + write_req.params.gattc_write.p_value = p_string; + write_req.params.gattc_write.write_op = BLE_GATT_OP_WRITE_CMD; + write_req.params.gattc_write.flags = BLE_GATT_EXEC_WRITE_FLAG_PREPARED_WRITE; + + return nrf_ble_gq_item_add(p_ble_nus_c->p_gatt_queue, &write_req, p_ble_nus_c->conn_handle); +} + + +uint32_t ble_nus_c_handles_assign(ble_nus_c_t * p_ble_nus, + uint16_t conn_handle, + ble_nus_c_handles_t const * p_peer_handles) +{ + VERIFY_PARAM_NOT_NULL(p_ble_nus); + + p_ble_nus->conn_handle = conn_handle; + if (p_peer_handles != NULL) + { + p_ble_nus->handles.nus_tx_cccd_handle = p_peer_handles->nus_tx_cccd_handle; + p_ble_nus->handles.nus_tx_handle = p_peer_handles->nus_tx_handle; + p_ble_nus->handles.nus_tx_block_handle = p_peer_handles->nus_tx_block_handle; + p_ble_nus->handles.nus_tx_block_cccd_handle = p_peer_handles->nus_tx_block_cccd_handle; + p_ble_nus->handles.nus_rx_handle = p_peer_handles->nus_rx_handle; + } + return nrf_ble_gq_conn_handle_register(p_ble_nus->p_gatt_queue, conn_handle); +} +#endif // NRF_MODULE_ENABLED(BLE_NUS_C) diff --git a/ble_app_uart_c/zble_nus_c.h b/ble_app_uart_c/zble_nus_c.h new file mode 100644 index 0000000..1d5c5b1 --- /dev/null +++ b/ble_app_uart_c/zble_nus_c.h @@ -0,0 +1,268 @@ +/** + * Copyright (c) 2012 - 2021, Nordic Semiconductor ASA + * + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, this + * list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form, except as embedded into a Nordic + * Semiconductor ASA integrated circuit in a product or a software update for + * such product, must reproduce the above copyright notice, this list of + * conditions and the following disclaimer in the documentation and/or other + * materials provided with the distribution. + * + * 3. Neither the name of Nordic Semiconductor ASA nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * 4. This software, with or without modification, must only be used with a + * Nordic Semiconductor ASA integrated circuit. + * + * 5. Any software provided in binary form under this license must not be reverse + * engineered, decompiled, modified and/or disassembled. + * + * THIS SOFTWARE IS PROVIDED BY NORDIC SEMICONDUCTOR ASA "AS IS" AND ANY EXPRESS + * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY, NONINFRINGEMENT, AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL NORDIC SEMICONDUCTOR ASA OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + * GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT + * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ +/**@file + * + * @defgroup ble_nus_c Nordic UART Service Client + * @{ + * @ingroup ble_sdk_srv + * @brief Nordic UART Service Client module. + * + * @details This module contains the APIs and types exposed by the Nordic UART Service Client + * module. The application can use these APIs and types to perform the discovery of + * the Nordic UART Service at the peer and to interact with it. + * + * @note The application must register this module as the BLE event observer by using the + * NRF_SDH_BLE_OBSERVER macro. Example: + * @code + * ble_nus_c_t instance; + * NRF_SDH_BLE_OBSERVER(anything, BLE_NUS_C_BLE_OBSERVER_PRIO, + * ble_nus_c_on_ble_evt, &instance); + * @endcode + * + */ + +#ifndef BLE_NUS_C_H__ +#define BLE_NUS_C_H__ + +#include +#include + +#include "ble.h" +#include "ble_db_discovery.h" +#include "ble_gatt.h" +#include "ble_srv_common.h" +#include "nrf_ble_gq.h" +#include "nrf_sdh_ble.h" +#include "sdk_config.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/**@brief Macro for defining a ble_nus_c instance. + * + * @param _name Name of the instance. + * @hideinitializer + */ +#define BLE_NUS_C_DEF(_name) \ + static ble_nus_c_t _name; \ + NRF_SDH_BLE_OBSERVER(_name##_obs, BLE_NUS_C_BLE_OBSERVER_PRIO, ble_nus_c_on_ble_evt, &_name) + +/** @brief Macro for defining multiple ble_nus_c instances. + * + * @param _name Name of the array of instances. + * @param _cnt Number of instances to define. + * @hideinitializer + */ +#define BLE_NUS_C_ARRAY_DEF(_name, _cnt) \ + static ble_nus_c_t _name[_cnt]; \ + NRF_SDH_BLE_OBSERVERS(_name##_obs, BLE_NUS_C_BLE_OBSERVER_PRIO, ble_nus_c_on_ble_evt, &_name, _cnt) + +#define NUS_BASE_UUID \ + { \ + { 0x9E, 0xCA, 0xDC, 0x24, 0x0E, 0xE5, 0xA9, 0xE0, 0x93, 0xF3, 0xA3, 0xB5, 0x00, 0x00, 0x40, 0x6E } \ + } /**< Used vendor-specific UUID. */ + +#define BLE_UUID_NUS_SERVICE 0x0001 /**< The UUID of the Nordic UART Service. */ +#define BLE_UUID_NUS_RX_CHARACTERISTIC 0x0002 /**< The UUID of the RX Characteristic. */ +#define BLE_UUID_NUS_TX_CHARACTERISTIC 0x0003 /**< The UUID of the TX Characteristic. */ +#define BLE_UUID_NUS_TX_BLOCK_CHARACTERISTIC 0x0004 /**< The UUID of the TX Characteristic. */ + +#define OPCODE_LENGTH 1 +#define HANDLE_LENGTH 2 + +/**@brief Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */ +#if defined(NRF_SDH_BLE_GATT_MAX_MTU_SIZE) && (NRF_SDH_BLE_GATT_MAX_MTU_SIZE != 0) +#define BLE_NUS_MAX_DATA_LEN (NRF_SDH_BLE_GATT_MAX_MTU_SIZE - OPCODE_LENGTH - HANDLE_LENGTH) +#else +#define BLE_NUS_MAX_DATA_LEN (BLE_GATT_MTU_SIZE_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH) +#warning NRF_SDH_BLE_GATT_MAX_MTU_SIZE is not defined. +#endif + +/**@brief NUS Client event type. */ +typedef enum { + BLE_NUS_C_EVT_DISCOVERY_COMPLETE, /**< Event indicating that the NUS service and its characteristics were found. */ + BLE_NUS_C_EVT_NUS_TX_EVT, /**< Event indicating that the central received something from a peer. */ + BLE_NUS_C_EVT_NUS_TX_BLOCK_EVT, /**< Event indicating that the central received something from a peer. */ + BLE_NUS_C_EVT_DISCONNECTED /**< Event indicating that the NUS server disconnected. */ +} ble_nus_c_evt_type_t; + +/**@brief Handles on the connected peer device needed to interact with it. */ +typedef struct { + uint16_t nus_tx_handle; /**< Handle of the NUS TX characteristic, as provided by a discovery. */ + uint16_t nus_tx_cccd_handle; /**< Handle of the CCCD of the NUS TX characteristic, as provided by a discovery. */ + + uint16_t nus_tx_block_handle; /**< Handle of the NUS TX characteristic, as provided by a discovery. */ + uint16_t nus_tx_block_cccd_handle; /**< Handle of the CCCD of the NUS TX characteristic, as provided by a discovery. */ + + uint16_t nus_rx_handle; /**< Handle of the NUS RX characteristic, as provided by a discovery. */ +} ble_nus_c_handles_t; + +/**@brief Structure containing the NUS event data received from the peer. */ +typedef struct { + ble_nus_c_evt_type_t evt_type; + uint16_t conn_handle; + uint16_t max_data_len; + uint8_t* p_data; + uint16_t data_len; + ble_nus_c_handles_t handles; /**< Handles on which the Nordic UART service characteristics were discovered on the peer device. This is filled if the evt_type is @ref BLE_NUS_C_EVT_DISCOVERY_COMPLETE.*/ +} ble_nus_c_evt_t; + +// Forward declaration of the ble_nus_t type. +typedef struct ble_nus_c_s ble_nus_c_t; + +/**@brief Event handler type. + * + * @details This is the type of the event handler that is to be provided by the application + * of this module to receive events. + */ +typedef void (*ble_nus_c_evt_handler_t)(ble_nus_c_t* p_ble_nus_c, ble_nus_c_evt_t const* p_evt); + +/**@brief NUS Client structure. */ +struct ble_nus_c_s { + uint8_t uuid_type; /**< UUID type. */ + uint16_t conn_handle; /**< Handle of the current connection. Set with @ref ble_nus_c_handles_assign when connected. */ + ble_nus_c_handles_t handles; /**< Handles on the connected peer device needed to interact with it. */ + ble_nus_c_evt_handler_t evt_handler; /**< Application event handler to be called when there is an event related to the NUS. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + nrf_ble_gq_t* p_gatt_queue; /**< Pointer to BLE GATT Queue instance. */ +}; + +/**@brief NUS Client initialization structure. */ +typedef struct { + ble_nus_c_evt_handler_t evt_handler; /**< Application event handler to be called when there is an event related to the NUS. */ + ble_srv_error_handler_t error_handler; /**< Function to be called in case of an error. */ + nrf_ble_gq_t* p_gatt_queue; /**< Pointer to BLE GATT Queue instance. */ +} ble_nus_c_init_t; + +/**@brief Function for initializing the Nordic UART client module. + * + * @details This function registers with the Database Discovery module + * for the NUS. The Database Discovery module looks for the presence + * of a NUS instance at the peer when a discovery is started. + * + * @param[in] p_ble_nus_c Pointer to the NUS client structure. + * @param[in] p_ble_nus_c_init Pointer to the NUS initialization structure that contains the + * initialization information. + * + * @retval NRF_SUCCESS If the module was initialized successfully. + * @retval err_code Otherwise, this function propagates the error code + * returned by the Database Discovery module API + * @ref ble_db_discovery_evt_register. + */ +uint32_t ble_nus_c_init(ble_nus_c_t* p_ble_nus_c, ble_nus_c_init_t* p_ble_nus_c_init); + +/**@brief Function for handling events from the Database Discovery module. + * + * @details This function handles an event from the Database Discovery module, and determines + * whether it relates to the discovery of NUS at the peer. If it does, the function + * calls the application's event handler to indicate that NUS was + * discovered at the peer. The function also populates the event with service-related + * information before providing it to the application. + * + * @param[in] p_ble_nus_c Pointer to the NUS client structure. + * @param[in] p_evt Pointer to the event received from the Database Discovery module. + */ +void ble_nus_c_on_db_disc_evt(ble_nus_c_t* p_ble_nus_c, ble_db_discovery_evt_t* p_evt); + +/**@brief Function for handling BLE events from the SoftDevice. + * + * @details This function handles the BLE events received from the SoftDevice. If a BLE + * event is relevant to the NUS module, the function uses the event's data to update + * internal variables and, if necessary, send events to the application. + * + * @param[in] p_ble_evt Pointer to the BLE event. + * @param[in] p_context Pointer to the NUS client structure. + */ +void ble_nus_c_on_ble_evt(ble_evt_t const* p_ble_evt, void* p_context); + +/**@brief Function for requesting the peer to start sending notification of TX characteristic. + * + * @details This function enables notifications of the NUS TX characteristic at the peer + * by writing to the CCCD of the NUS TX characteristic. + * + * @param p_ble_nus_c Pointer to the NUS client structure. + * + * @retval NRF_SUCCESS If the operation was successful. + * @retval err_code Otherwise, this API propagates the error code returned by function @ref nrf_ble_gq_item_add. + */ +uint32_t ble_nus_c_tx_notif_enable(ble_nus_c_t* p_ble_nus_c); + +/**@brief Function for sending a string to the server. + * + * @details This function writes the RX characteristic of the server. + * + * @param[in] p_ble_nus_c Pointer to the NUS client structure. + * @param[in] p_string String to be sent. + * @param[in] length Length of the string. + * + * @retval NRF_SUCCESS If the string was sent successfully. + * @retval err_code Otherwise, this API propagates the error code returned by function @ref nrf_ble_gq_item_add. + */ +uint32_t ble_nus_c_string_send(ble_nus_c_t* p_ble_nus_c, uint8_t* p_string, uint16_t length); + +/**@brief Function for assigning handles to this instance of nus_c. + * + * @details Call this function when a link has been established with a peer to + * associate the link to this instance of the module. This makes it + * possible to handle several links and associate each link to a particular + * instance of this module. The connection handle and attribute handles are + * provided from the discovery event @ref BLE_NUS_C_EVT_DISCOVERY_COMPLETE. + * + * @param[in] p_ble_nus_c Pointer to the NUS client structure instance to associate with these + * handles. + * @param[in] conn_handle Connection handle to associated with the given NUS Instance. + * @param[in] p_peer_handles Attribute handles on the NUS server that you want this NUS client to + * interact with. + * + * @retval NRF_SUCCESS If the operation was successful. + * @retval NRF_ERROR_NULL If a p_nus was a NULL pointer. + * @retval err_code Otherwise, this API propagates the error code returned + * by function @ref nrf_ble_gq_item_add. + */ +uint32_t ble_nus_c_handles_assign(ble_nus_c_t* p_ble_nus_c, uint16_t conn_handle, ble_nus_c_handles_t const* p_peer_handles); + +#ifdef __cplusplus +} +#endif + +#endif // BLE_NUS_C_H__ + +/** @} */