From 5187df0e60f21ff65c7b65a58dcab844205ec165 Mon Sep 17 00:00:00 2001 From: zhaohe Date: Fri, 9 Feb 2024 11:22:30 +0800 Subject: [PATCH] update --- ble_app_uart_c_pca10100_s122.uvguix.h_zha | 42 +- main.c | 898 +++++++++++++----------------- 2 files changed, 411 insertions(+), 529 deletions(-) diff --git a/ble_app_uart_c_pca10100_s122.uvguix.h_zha b/ble_app_uart_c_pca10100_s122.uvguix.h_zha index 32967f8..6583c07 100644 --- a/ble_app_uart_c_pca10100_s122.uvguix.h_zha +++ b/ble_app_uart_c_pca10100_s122.uvguix.h_zha @@ -90,8 +90,8 @@ 44 - 2 - 3 + 0 + 1 -1 -1 @@ -101,17 +101,17 @@ -1 - -8 - -8 - 1928 - 1160 + 1273 + -1477 + -334 + 2224 0 632 - 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898 diff --git a/main.c b/main.c index abc5753..1d99c5f 100644 --- a/main.c +++ b/main.c @@ -37,60 +37,52 @@ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * */ -#include -#include #include -#include "nordic_common.h" +#include +#include + #include "app_error.h" -#include "app_uart.h" -#include "ble_db_discovery.h" #include "app_timer.h" +#include "app_uart.h" #include "app_util.h" -#include "bsp_btn_ble.h" #include "ble.h" +#include "ble_db_discovery.h" #include "ble_gap.h" #include "ble_hci.h" -#include "nrf_sdh.h" -#include "nrf_sdh_ble.h" -#include "nrf_sdh_soc.h" -#include "zble_nus_c.h" +#include "bsp_btn_ble.h" +#include "nordic_common.h" #include "nrf_ble_gatt.h" -#include "nrf_pwr_mgmt.h" #include "nrf_ble_scan.h" - #include "nrf_log.h" #include "nrf_log_ctrl.h" #include "nrf_log_default_backends.h" +#include "nrf_pwr_mgmt.h" +#include "nrf_sdh.h" +#include "nrf_sdh_ble.h" +#include "nrf_sdh_soc.h" +#include "zble_nus_c.h" +#define APP_BLE_CONN_CFG_TAG 1 /**< Tag that refers to the BLE stack configuration set with @ref sd_ble_cfg_set. The default tag is @ref BLE_CONN_CFG_TAG_DEFAULT. */ +#define APP_BLE_OBSERVER_PRIO 3 /**< BLE observer priority of the application. There is no need to modify this value. */ -#define APP_BLE_CONN_CFG_TAG 1 /**< Tag that refers to the BLE stack configuration set with @ref sd_ble_cfg_set. The default tag is @ref BLE_CONN_CFG_TAG_DEFAULT. */ -#define APP_BLE_OBSERVER_PRIO 3 /**< BLE observer priority of the application. There is no need to modify this value. */ - -#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ -#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */ - -#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ +#define UART_TX_BUF_SIZE 256 /**< UART TX buffer size. */ +#define UART_RX_BUF_SIZE 256 /**< UART RX buffer size. */ -#define ECHOBACK_BLE_UART_DATA 0 /**< Echo the UART data that is received over the Nordic UART Service (NUS) back to the sender. */ +#define NUS_SERVICE_UUID_TYPE BLE_UUID_TYPE_VENDOR_BEGIN /**< UUID type for the Nordic UART Service (vendor specific). */ +#define ECHOBACK_BLE_UART_DATA 0 /**< Echo the UART data that is received over the Nordic UART Service (NUS) back to the sender. */ -BLE_NUS_C_DEF(m_ble_nus_c); /**< BLE Nordic UART Service (NUS) client instance. */ -NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ -BLE_DB_DISCOVERY_DEF(m_db_disc); /**< Database discovery module instance. */ -NRF_BLE_SCAN_DEF(m_scan); /**< Scanning Module instance. */ -NRF_BLE_GQ_DEF(m_ble_gatt_queue, /**< BLE GATT Queue instance. */ - NRF_SDH_BLE_CENTRAL_LINK_COUNT, - NRF_BLE_GQ_QUEUE_SIZE); +BLE_NUS_C_DEF(m_ble_nus_c); /**< BLE Nordic UART Service (NUS) client instance. */ +NRF_BLE_GATT_DEF(m_gatt); /**< GATT module instance. */ +BLE_DB_DISCOVERY_DEF(m_db_disc); /**< Database discovery module instance. */ +NRF_BLE_SCAN_DEF(m_scan); /**< Scanning Module instance. */ +NRF_BLE_GQ_DEF(m_ble_gatt_queue, /**< BLE GATT Queue instance. */ + NRF_SDH_BLE_CENTRAL_LINK_COUNT, NRF_BLE_GQ_QUEUE_SIZE); static uint16_t m_ble_nus_max_data_len = BLE_GATT_ATT_MTU_DEFAULT - OPCODE_LENGTH - HANDLE_LENGTH; /**< Maximum length of data (in bytes) that can be transmitted to the peer by the Nordic UART service module. */ /**@brief NUS UUID. */ -static ble_uuid_t const m_nus_uuid = -{ - .uuid = BLE_UUID_NUS_SERVICE, - .type = NUS_SERVICE_UUID_TYPE -}; - +static ble_uuid_t const m_nus_uuid = {.uuid = BLE_UUID_NUS_SERVICE, .type = NUS_SERVICE_UUID_TYPE}; /**@brief Function for handling asserts in the SoftDevice. * @@ -103,111 +95,83 @@ static ble_uuid_t const m_nus_uuid = * @param[in] line_num Line number of the failing assert call. * @param[in] p_file_name File name of the failing assert call. */ -void assert_nrf_callback(uint16_t line_num, const uint8_t * p_file_name) -{ - app_error_handler(0xDEADBEEF, line_num, p_file_name); -} - +void assert_nrf_callback(uint16_t line_num, const uint8_t* p_file_name) { app_error_handler(0xDEADBEEF, line_num, p_file_name); } /**@brief Function for handling the Nordic UART Service Client errors. * * @param[in] nrf_error Error code containing information about what went wrong. */ -static void nus_error_handler(uint32_t nrf_error) -{ - APP_ERROR_HANDLER(nrf_error); -} - +static void nus_error_handler(uint32_t nrf_error) { APP_ERROR_HANDLER(nrf_error); } /**@brief Function to start scanning. */ -static void scan_start(void) -{ - ret_code_t ret; +static void scan_start(void) { + ret_code_t ret; - ret = nrf_ble_scan_start(&m_scan); - APP_ERROR_CHECK(ret); + ret = nrf_ble_scan_start(&m_scan); + APP_ERROR_CHECK(ret); - ret = bsp_indication_set(BSP_INDICATE_SCANNING); - APP_ERROR_CHECK(ret); + ret = bsp_indication_set(BSP_INDICATE_SCANNING); + APP_ERROR_CHECK(ret); } - /**@brief Function for handling Scanning Module events. */ -static void scan_evt_handler(scan_evt_t const * p_scan_evt) -{ - ret_code_t err_code; - - switch(p_scan_evt->scan_evt_id) - { - case NRF_BLE_SCAN_EVT_CONNECTING_ERROR: - { - err_code = p_scan_evt->params.connecting_err.err_code; - APP_ERROR_CHECK(err_code); - } break; - - case NRF_BLE_SCAN_EVT_CONNECTED: - { - ble_gap_evt_connected_t const * p_connected = - p_scan_evt->params.connected.p_connected; - // Scan is automatically stopped by the connection. - NRF_LOG_INFO("Connecting to target %02x%02x%02x%02x%02x%02x", - p_connected->peer_addr.addr[0], - p_connected->peer_addr.addr[1], - p_connected->peer_addr.addr[2], - p_connected->peer_addr.addr[3], - p_connected->peer_addr.addr[4], - p_connected->peer_addr.addr[5] - ); - } break; - - case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT: - { - NRF_LOG_INFO("Scan timed out."); - scan_start(); - } break; - - default: - break; - } +static void scan_evt_handler(scan_evt_t const* p_scan_evt) { + ret_code_t err_code; + + switch (p_scan_evt->scan_evt_id) { + case NRF_BLE_SCAN_EVT_CONNECTING_ERROR: { + err_code = p_scan_evt->params.connecting_err.err_code; + APP_ERROR_CHECK(err_code); + } break; + + case NRF_BLE_SCAN_EVT_CONNECTED: { + ble_gap_evt_connected_t const* p_connected = p_scan_evt->params.connected.p_connected; + // Scan is automatically stopped by the connection. + NRF_LOG_INFO("Connecting to target %02x%02x%02x%02x%02x%02x", p_connected->peer_addr.addr[0], p_connected->peer_addr.addr[1], p_connected->peer_addr.addr[2], p_connected->peer_addr.addr[3], p_connected->peer_addr.addr[4], p_connected->peer_addr.addr[5]); + } break; + + case NRF_BLE_SCAN_EVT_SCAN_TIMEOUT: { + NRF_LOG_INFO("Scan timed out."); + scan_start(); + } break; + + default: + break; + } } - /**@brief Function for initializing the scanning and setting the filters. */ -static char m_target_periph_name0[20] = "M1002"; /**< Name of the device we try to connect to. This name is searched in the scan report data*/ -static char m_target_periph_name1[20] = "M1001"; /**< Name of the device we try to connect to. This name is searched in the scan report data*/ -static char m_target_periph_name2[20] = "iflytop"; /**< Name of the device we try to connect to. This name is searched in the scan report data*/ -static void scan_init(void) -{ - ret_code_t err_code; - nrf_ble_scan_init_t init_scan; - - memset(&init_scan, 0, sizeof(init_scan)); +static char m_target_periph_name0[20] = "M1002"; /**< Name of the device we try to connect to. This name is searched in the scan report data*/ +static char m_target_periph_name1[20] = "M1001"; /**< Name of the device we try to connect to. This name is searched in the scan report data*/ +static char m_target_periph_name2[20] = "iflytop"; /**< Name of the device we try to connect to. This name is searched in the scan report data*/ +static void scan_init(void) { + ret_code_t err_code; + nrf_ble_scan_init_t init_scan; - init_scan.connect_if_match = true; - init_scan.conn_cfg_tag = APP_BLE_CONN_CFG_TAG; + memset(&init_scan, 0, sizeof(init_scan)); - err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler); - APP_ERROR_CHECK(err_code); + init_scan.connect_if_match = true; + init_scan.conn_cfg_tag = APP_BLE_CONN_CFG_TAG; - - // err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_UUID_FILTER, &m_nus_uuid); - // APP_ERROR_CHECK(err_code); + err_code = nrf_ble_scan_init(&m_scan, &init_scan, scan_evt_handler); + APP_ERROR_CHECK(err_code); - APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name0)); - APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name1)); - APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name2)); + // err_code = nrf_ble_scan_filter_set(&m_scan, SCAN_UUID_FILTER, &m_nus_uuid); + // APP_ERROR_CHECK(err_code); - // err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false); - // APP_ERROR_CHECK(err_code); + APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name0)); + APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name1)); + APP_ERROR_CHECK(nrf_ble_scan_filter_set(&m_scan, SCAN_NAME_FILTER, m_target_periph_name2)); - err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false); - APP_ERROR_CHECK(err_code); + // err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false); + // APP_ERROR_CHECK(err_code); + err_code = nrf_ble_scan_filters_enable(&m_scan, NRF_BLE_SCAN_NAME_FILTER, false); + APP_ERROR_CHECK(err_code); } - /**@brief Function for handling database discovery events. * * @details This function is a callback function to handle events from the database discovery module. @@ -216,11 +180,7 @@ static void scan_init(void) * * @param[in] p_event Pointer to the database discovery event. */ -static void db_disc_handler(ble_db_discovery_evt_t * p_evt) -{ - ble_nus_c_on_db_disc_evt(&m_ble_nus_c, p_evt); -} - +static void db_disc_handler(ble_db_discovery_evt_t* p_evt) { ble_nus_c_on_db_disc_evt(&m_ble_nus_c, p_evt); } /**@brief Function for handling characters received by the Nordic UART Service (NUS). * @@ -228,113 +188,94 @@ static void db_disc_handler(ble_db_discovery_evt_t * p_evt) * If @ref ECHOBACK_BLE_UART_DATA is set, the data is sent back to sender. */ -static void ble_nus_chars_received_uart_print(uint8_t * p_data, uint16_t data_len) -{ - ret_code_t ret_val; - - NRF_LOG_DEBUG("Receiving data."); - NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); - app_uart_put(0xA5); - app_uart_put(0x5A); - for (uint32_t i = 0; i < data_len; i++) - { - do - { - ret_val = app_uart_put(p_data[i]); - if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) - { - NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i); - APP_ERROR_CHECK(ret_val); - } - } while (ret_val == NRF_ERROR_BUSY); - } - app_uart_put(0x5A); - app_uart_put(0xA5); -} +static void ble_nus_chars_received_uart_print(uint8_t* p_data, uint16_t data_len) { + ret_code_t ret_val; + NRF_LOG_DEBUG("Receiving data."); + NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); + app_uart_put(0x5A); + app_uart_put(0xA5); + for (uint32_t i = 0; i < data_len; i++) { + do { + ret_val = app_uart_put(p_data[i]); + if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) { + NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i); + APP_ERROR_CHECK(ret_val); + } + } while (ret_val == NRF_ERROR_BUSY); + } + app_uart_put(0x5B); + app_uart_put(0xB5); +} +static void ble_nus_chars_received_uart_print_ch4(uint8_t* p_data, uint16_t data_len) { + ret_code_t ret_val; -static void ble_nus_chars_received_uart_print_ch4(uint8_t * p_data, uint16_t data_len) -{ - ret_code_t ret_val; - - NRF_LOG_DEBUG("Receiving data."); - NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); - app_uart_put(0xA4); - app_uart_put(0x4A); - for (uint32_t i = 0; i < data_len; i++) - { - do - { - ret_val = app_uart_put(p_data[i]); - if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) - { - NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i); - APP_ERROR_CHECK(ret_val); - } - } while (ret_val == NRF_ERROR_BUSY); - } - app_uart_put(0x4A); - app_uart_put(0xA4); + NRF_LOG_DEBUG("Receiving data."); + NRF_LOG_HEXDUMP_DEBUG(p_data, data_len); + app_uart_put(0x4A); + app_uart_put(0xA4); + for (uint32_t i = 0; i < data_len; i++) { + do { + ret_val = app_uart_put(p_data[i]); + if ((ret_val != NRF_SUCCESS) && (ret_val != NRF_ERROR_BUSY)) { + NRF_LOG_ERROR("app_uart_put failed for index 0x%04x.", i); + APP_ERROR_CHECK(ret_val); + } + } while (ret_val == NRF_ERROR_BUSY); + } + app_uart_put(0x4B); + app_uart_put(0xB4); } - /**@brief Function for handling app_uart events. * * @details This function receives a single character from the app_uart module and appends it to * a string. The string is sent over BLE when the last character received is a * 'new line' '\n' (hex 0x0A) or if the string reaches the maximum data length. */ - static uint8_t data_array[BLE_NUS_MAX_DATA_LEN]; - static uint16_t data_array_index = 0; - // static uint32_t -void uart_event_handle(app_uart_evt_t * p_event) -{ - - uint32_t ret_val; - - switch (p_event->evt_type) - { - /**@snippet [Handling data from UART] */ - case APP_UART_DATA_READY: - UNUSED_VARIABLE(app_uart_get(&data_array[data_array_index])); - data_array_index++; - - if ( - data_array_index >= (m_ble_nus_max_data_len)) - { - NRF_LOG_DEBUG("Ready to send data over BLE NUS"); - NRF_LOG_HEXDUMP_DEBUG(data_array, data_array_index); - - do - { - ret_val = ble_nus_c_string_send(&m_ble_nus_c, data_array, data_array_index); - if ( (ret_val != NRF_ERROR_INVALID_STATE) && (ret_val != NRF_ERROR_RESOURCES) ) - { - APP_ERROR_CHECK(ret_val); - } - } while (ret_val == NRF_ERROR_RESOURCES); - - data_array_index = 0; - } - break; - - /**@snippet [Handling data from UART] */ - case APP_UART_COMMUNICATION_ERROR: - NRF_LOG_ERROR("Communication error occurred while handling UART."); - APP_ERROR_HANDLER(p_event->data.error_communication); - break; - - case APP_UART_FIFO_ERROR: - NRF_LOG_ERROR("Error occurred in FIFO module used by UART."); - APP_ERROR_HANDLER(p_event->data.error_code); - break; - - default: - break; - } -} +static uint8_t data_array[BLE_NUS_MAX_DATA_LEN]; +static uint16_t data_array_index = 0; +// static uint32_t +void uart_event_handle(app_uart_evt_t* p_event) { + uint32_t ret_val; + + switch (p_event->evt_type) { + /**@snippet [Handling data from UART] */ + case APP_UART_DATA_READY: + UNUSED_VARIABLE(app_uart_get(&data_array[data_array_index])); + data_array_index++; + + if (data_array_index >= (m_ble_nus_max_data_len)) { + NRF_LOG_DEBUG("Ready to send data over BLE NUS"); + NRF_LOG_HEXDUMP_DEBUG(data_array, data_array_index); + + do { + ret_val = ble_nus_c_string_send(&m_ble_nus_c, data_array, data_array_index); + if ((ret_val != NRF_ERROR_INVALID_STATE) && (ret_val != NRF_ERROR_RESOURCES)) { + APP_ERROR_CHECK(ret_val); + } + } while (ret_val == NRF_ERROR_RESOURCES); + + data_array_index = 0; + } + break; + + /**@snippet [Handling data from UART] */ + case APP_UART_COMMUNICATION_ERROR: + NRF_LOG_ERROR("Communication error occurred while handling UART."); + APP_ERROR_HANDLER(p_event->data.error_communication); + break; + case APP_UART_FIFO_ERROR: + NRF_LOG_ERROR("Error occurred in FIFO module used by UART."); + APP_ERROR_HANDLER(p_event->data.error_code); + break; + + default: + break; + } +} /**@brief Callback handling Nordic UART Service (NUS) client events. * @@ -346,349 +287,292 @@ void uart_event_handle(app_uart_evt_t * p_event) /**@snippet [Handling events from the ble_nus_c module] */ static int32_t rxcnt; -static void ble_nus_c_evt_handler(ble_nus_c_t * p_ble_nus_c, ble_nus_c_evt_t const * p_ble_nus_evt) -{ - ret_code_t err_code; - - switch (p_ble_nus_evt->evt_type) - { - case BLE_NUS_C_EVT_DISCOVERY_COMPLETE: - NRF_LOG_INFO("Discovery complete."); - err_code = ble_nus_c_handles_assign(p_ble_nus_c, p_ble_nus_evt->conn_handle, &p_ble_nus_evt->handles); - APP_ERROR_CHECK(err_code); - - err_code = ble_nus_c_tx_notif_enable(p_ble_nus_c); - APP_ERROR_CHECK(err_code); - NRF_LOG_INFO("Connected to device with Nordic UART Service."); - break; - - case BLE_NUS_C_EVT_NUS_TX_EVT: - ble_nus_chars_received_uart_print(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len); - break; - case BLE_NUS_C_EVT_NUS_TX_EVT_2: - ble_nus_chars_received_uart_print_ch4(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len); - rxcnt+=p_ble_nus_evt->data_len; - // printf("data_len:%d %d\n",p_ble_nus_evt->data_len,rxcnt); - break; - - case BLE_NUS_C_EVT_DISCONNECTED: - NRF_LOG_INFO("Disconnected."); - scan_start(); - break; - } +static void ble_nus_c_evt_handler(ble_nus_c_t* p_ble_nus_c, ble_nus_c_evt_t const* p_ble_nus_evt) { + ret_code_t err_code; + + switch (p_ble_nus_evt->evt_type) { + case BLE_NUS_C_EVT_DISCOVERY_COMPLETE: + NRF_LOG_INFO("Discovery complete."); + err_code = ble_nus_c_handles_assign(p_ble_nus_c, p_ble_nus_evt->conn_handle, &p_ble_nus_evt->handles); + APP_ERROR_CHECK(err_code); + + err_code = ble_nus_c_tx_notif_enable(p_ble_nus_c); + APP_ERROR_CHECK(err_code); + NRF_LOG_INFO("Connected to device with Nordic UART Service."); + break; + + case BLE_NUS_C_EVT_NUS_TX_EVT: + ble_nus_chars_received_uart_print(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len); + break; + case BLE_NUS_C_EVT_NUS_TX_EVT_2: + ble_nus_chars_received_uart_print_ch4(p_ble_nus_evt->p_data, p_ble_nus_evt->data_len); + rxcnt += p_ble_nus_evt->data_len; + // printf("data_len:%d %d\n",p_ble_nus_evt->data_len,rxcnt); + break; + + case BLE_NUS_C_EVT_DISCONNECTED: + NRF_LOG_INFO("Disconnected."); + scan_start(); + break; + } } /**@snippet [Handling events from the ble_nus_c module] */ - /** * @brief Function for handling shutdown events. * * @param[in] event Shutdown type. */ -static bool shutdown_handler(nrf_pwr_mgmt_evt_t event) -{ - ret_code_t err_code; - - err_code = bsp_indication_set(BSP_INDICATE_IDLE); - APP_ERROR_CHECK(err_code); - - switch (event) - { - case NRF_PWR_MGMT_EVT_PREPARE_WAKEUP: - // Prepare wakeup buttons. - err_code = bsp_btn_ble_sleep_mode_prepare(); - APP_ERROR_CHECK(err_code); - break; - - default: - break; - } - - return true; +static bool shutdown_handler(nrf_pwr_mgmt_evt_t event) { + ret_code_t err_code; + + err_code = bsp_indication_set(BSP_INDICATE_IDLE); + APP_ERROR_CHECK(err_code); + + switch (event) { + case NRF_PWR_MGMT_EVT_PREPARE_WAKEUP: + // Prepare wakeup buttons. + err_code = bsp_btn_ble_sleep_mode_prepare(); + APP_ERROR_CHECK(err_code); + break; + + default: + break; + } + + return true; } NRF_PWR_MGMT_HANDLER_REGISTER(shutdown_handler, APP_SHUTDOWN_HANDLER_PRIORITY); - /**@brief Function for handling BLE events. * * @param[in] p_ble_evt Bluetooth stack event. * @param[in] p_context Unused. */ -static void ble_evt_handler(ble_evt_t const * p_ble_evt, void * p_context) -{ - ret_code_t err_code; - ble_gap_evt_t const * p_gap_evt = &p_ble_evt->evt.gap_evt; - - switch (p_ble_evt->header.evt_id) - { - case BLE_GAP_EVT_CONNECTED: - err_code = ble_nus_c_handles_assign(&m_ble_nus_c, p_ble_evt->evt.gap_evt.conn_handle, NULL); - APP_ERROR_CHECK(err_code); - - err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); - APP_ERROR_CHECK(err_code); - - // start discovery of services. The NUS Client waits for a discovery result - err_code = ble_db_discovery_start(&m_db_disc, p_ble_evt->evt.gap_evt.conn_handle); - APP_ERROR_CHECK(err_code); - break; - - case BLE_GAP_EVT_DISCONNECTED: - - NRF_LOG_INFO("Disconnected. conn_handle: 0x%x, reason: 0x%x", - p_gap_evt->conn_handle, - p_gap_evt->params.disconnected.reason); - break; - - case BLE_GAP_EVT_TIMEOUT: - if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN) - { - NRF_LOG_INFO("Connection Request timed out."); - } - break; - - case BLE_GAP_EVT_SEC_PARAMS_REQUEST: - // Pairing not supported. - err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.gap_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); - APP_ERROR_CHECK(err_code); - break; - - case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST: - // Accepting parameters requested by peer. - err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle, - &p_gap_evt->params.conn_param_update_request.conn_params); - APP_ERROR_CHECK(err_code); - break; - - case BLE_GAP_EVT_PHY_UPDATE_REQUEST: - { - NRF_LOG_DEBUG("PHY update request."); - ble_gap_phys_t const phys = - { - .rx_phys = BLE_GAP_PHY_AUTO, - .tx_phys = BLE_GAP_PHY_AUTO, - }; - err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys); - APP_ERROR_CHECK(err_code); - } break; - - case BLE_GATTC_EVT_TIMEOUT: - // Disconnect on GATT Client timeout event. - NRF_LOG_DEBUG("GATT Client Timeout."); - err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle, - BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); - APP_ERROR_CHECK(err_code); - break; - - case BLE_GATTS_EVT_TIMEOUT: - // Disconnect on GATT Server timeout event. - NRF_LOG_DEBUG("GATT Server Timeout."); - err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle, - BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); - APP_ERROR_CHECK(err_code); - break; - - default: - break; - } -} +static void ble_evt_handler(ble_evt_t const* p_ble_evt, void* p_context) { + ret_code_t err_code; + ble_gap_evt_t const* p_gap_evt = &p_ble_evt->evt.gap_evt; + switch (p_ble_evt->header.evt_id) { + case BLE_GAP_EVT_CONNECTED: + err_code = ble_nus_c_handles_assign(&m_ble_nus_c, p_ble_evt->evt.gap_evt.conn_handle, NULL); + APP_ERROR_CHECK(err_code); + + err_code = bsp_indication_set(BSP_INDICATE_CONNECTED); + APP_ERROR_CHECK(err_code); + + // start discovery of services. The NUS Client waits for a discovery result + err_code = ble_db_discovery_start(&m_db_disc, p_ble_evt->evt.gap_evt.conn_handle); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GAP_EVT_DISCONNECTED: + + NRF_LOG_INFO("Disconnected. conn_handle: 0x%x, reason: 0x%x", p_gap_evt->conn_handle, p_gap_evt->params.disconnected.reason); + break; + + case BLE_GAP_EVT_TIMEOUT: + if (p_gap_evt->params.timeout.src == BLE_GAP_TIMEOUT_SRC_CONN) { + NRF_LOG_INFO("Connection Request timed out."); + } + break; + + case BLE_GAP_EVT_SEC_PARAMS_REQUEST: + // Pairing not supported. + err_code = sd_ble_gap_sec_params_reply(p_ble_evt->evt.gap_evt.conn_handle, BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP, NULL, NULL); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GAP_EVT_CONN_PARAM_UPDATE_REQUEST: + // Accepting parameters requested by peer. + err_code = sd_ble_gap_conn_param_update(p_gap_evt->conn_handle, &p_gap_evt->params.conn_param_update_request.conn_params); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GAP_EVT_PHY_UPDATE_REQUEST: { + NRF_LOG_DEBUG("PHY update request."); + ble_gap_phys_t const phys = { + .rx_phys = BLE_GAP_PHY_AUTO, + .tx_phys = BLE_GAP_PHY_AUTO, + }; + err_code = sd_ble_gap_phy_update(p_ble_evt->evt.gap_evt.conn_handle, &phys); + APP_ERROR_CHECK(err_code); + } break; + + case BLE_GATTC_EVT_TIMEOUT: + // Disconnect on GATT Client timeout event. + NRF_LOG_DEBUG("GATT Client Timeout."); + err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gattc_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); + APP_ERROR_CHECK(err_code); + break; + + case BLE_GATTS_EVT_TIMEOUT: + // Disconnect on GATT Server timeout event. + NRF_LOG_DEBUG("GATT Server Timeout."); + err_code = sd_ble_gap_disconnect(p_ble_evt->evt.gatts_evt.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); + APP_ERROR_CHECK(err_code); + break; + + default: + break; + } +} /**@brief Function for initializing the BLE stack. * * @details Initializes the SoftDevice and the BLE event interrupt. */ -static void ble_stack_init(void) -{ - ret_code_t err_code; +static void ble_stack_init(void) { + ret_code_t err_code; - err_code = nrf_sdh_enable_request(); - APP_ERROR_CHECK(err_code); + err_code = nrf_sdh_enable_request(); + APP_ERROR_CHECK(err_code); - // Configure the BLE stack using the default settings. - // Fetch the start address of the application RAM. - uint32_t ram_start = 0; - err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start); - APP_ERROR_CHECK(err_code); + // Configure the BLE stack using the default settings. + // Fetch the start address of the application RAM. + uint32_t ram_start = 0; + err_code = nrf_sdh_ble_default_cfg_set(APP_BLE_CONN_CFG_TAG, &ram_start); + APP_ERROR_CHECK(err_code); - // Enable BLE stack. - err_code = nrf_sdh_ble_enable(&ram_start); - APP_ERROR_CHECK(err_code); + // Enable BLE stack. + err_code = nrf_sdh_ble_enable(&ram_start); + APP_ERROR_CHECK(err_code); - // Register a handler for BLE events. - NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); + // Register a handler for BLE events. + NRF_SDH_BLE_OBSERVER(m_ble_observer, APP_BLE_OBSERVER_PRIO, ble_evt_handler, NULL); } - /**@brief Function for handling events from the GATT library. */ -void gatt_evt_handler(nrf_ble_gatt_t * p_gatt, nrf_ble_gatt_evt_t const * p_evt) -{ - if (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED) - { - NRF_LOG_INFO("ATT MTU exchange completed."); - - m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; - NRF_LOG_INFO("Ble NUS max data length set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len); - } -} +void gatt_evt_handler(nrf_ble_gatt_t* p_gatt, nrf_ble_gatt_evt_t const* p_evt) { + if (p_evt->evt_id == NRF_BLE_GATT_EVT_ATT_MTU_UPDATED) { + NRF_LOG_INFO("ATT MTU exchange completed."); + m_ble_nus_max_data_len = p_evt->params.att_mtu_effective - OPCODE_LENGTH - HANDLE_LENGTH; + NRF_LOG_INFO("Ble NUS max data length set to 0x%X(%d)", m_ble_nus_max_data_len, m_ble_nus_max_data_len); + } +} /**@brief Function for initializing the GATT library. */ -void gatt_init(void) -{ - ret_code_t err_code; +void gatt_init(void) { + ret_code_t err_code; - err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); - APP_ERROR_CHECK(err_code); + err_code = nrf_ble_gatt_init(&m_gatt, gatt_evt_handler); + APP_ERROR_CHECK(err_code); - err_code = nrf_ble_gatt_att_mtu_central_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE); - APP_ERROR_CHECK(err_code); + err_code = nrf_ble_gatt_att_mtu_central_set(&m_gatt, NRF_SDH_BLE_GATT_MAX_MTU_SIZE); + APP_ERROR_CHECK(err_code); } - /**@brief Function for handling events from the BSP module. * * @param[in] event Event generated by button press. */ -void bsp_event_handler(bsp_event_t event) -{ - ret_code_t err_code; - - switch (event) - { - case BSP_EVENT_SLEEP: - nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF); - break; - - case BSP_EVENT_DISCONNECT: - err_code = sd_ble_gap_disconnect(m_ble_nus_c.conn_handle, - BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); - if (err_code != NRF_ERROR_INVALID_STATE) - { - APP_ERROR_CHECK(err_code); - } - break; - - default: - break; - } +void bsp_event_handler(bsp_event_t event) { + ret_code_t err_code; + + switch (event) { + case BSP_EVENT_SLEEP: + nrf_pwr_mgmt_shutdown(NRF_PWR_MGMT_SHUTDOWN_GOTO_SYSOFF); + break; + + case BSP_EVENT_DISCONNECT: + err_code = sd_ble_gap_disconnect(m_ble_nus_c.conn_handle, BLE_HCI_REMOTE_USER_TERMINATED_CONNECTION); + if (err_code != NRF_ERROR_INVALID_STATE) { + APP_ERROR_CHECK(err_code); + } + break; + + default: + break; + } } /**@brief Function for initializing the UART. */ -static void uart_init(void) -{ - ret_code_t err_code; - - app_uart_comm_params_t const comm_params = - { - .rx_pin_no = RX_PIN_NUMBER, - .tx_pin_no = TX_PIN_NUMBER, - .rts_pin_no = RTS_PIN_NUMBER, - .cts_pin_no = CTS_PIN_NUMBER, - .flow_control = APP_UART_FLOW_CONTROL_DISABLED, - .use_parity = false, - .baud_rate = UART_BAUDRATE_BAUDRATE_Baud921600 - }; - - APP_UART_FIFO_INIT(&comm_params, - UART_RX_BUF_SIZE, - UART_TX_BUF_SIZE, - uart_event_handle, - APP_IRQ_PRIORITY_LOWEST, - err_code); - - APP_ERROR_CHECK(err_code); +static void uart_init(void) { + ret_code_t err_code; + + app_uart_comm_params_t const comm_params = {.rx_pin_no = RX_PIN_NUMBER, .tx_pin_no = TX_PIN_NUMBER, .rts_pin_no = RTS_PIN_NUMBER, .cts_pin_no = CTS_PIN_NUMBER, .flow_control = APP_UART_FLOW_CONTROL_DISABLED, .use_parity = false, .baud_rate = UART_BAUDRATE_BAUDRATE_Baud921600}; + + APP_UART_FIFO_INIT(&comm_params, UART_RX_BUF_SIZE, UART_TX_BUF_SIZE, uart_event_handle, APP_IRQ_PRIORITY_LOWEST, err_code); + + APP_ERROR_CHECK(err_code); } /**@brief Function for initializing the Nordic UART Service (NUS) client. */ -static void nus_c_init(void) -{ - ret_code_t err_code; - ble_nus_c_init_t init; +static void nus_c_init(void) { + ret_code_t err_code; + ble_nus_c_init_t init; - init.evt_handler = ble_nus_c_evt_handler; - init.error_handler = nus_error_handler; - init.p_gatt_queue = &m_ble_gatt_queue; + init.evt_handler = ble_nus_c_evt_handler; + init.error_handler = nus_error_handler; + init.p_gatt_queue = &m_ble_gatt_queue; - err_code = ble_nus_c_init(&m_ble_nus_c, &init); - APP_ERROR_CHECK(err_code); + err_code = ble_nus_c_init(&m_ble_nus_c, &init); + APP_ERROR_CHECK(err_code); } - /**@brief Function for initializing buttons and leds. */ -static void buttons_leds_init(void) -{ - ret_code_t err_code; - bsp_event_t startup_event; +static void buttons_leds_init(void) { + ret_code_t err_code; + bsp_event_t startup_event; - err_code = bsp_init(BSP_INIT_LEDS, bsp_event_handler); - APP_ERROR_CHECK(err_code); + err_code = bsp_init(BSP_INIT_LEDS, bsp_event_handler); + APP_ERROR_CHECK(err_code); - err_code = bsp_btn_ble_init(NULL, &startup_event); - APP_ERROR_CHECK(err_code); + err_code = bsp_btn_ble_init(NULL, &startup_event); + APP_ERROR_CHECK(err_code); } - /**@brief Function for initializing the timer. */ -static void timer_init(void) -{ - ret_code_t err_code = app_timer_init(); - APP_ERROR_CHECK(err_code); +static void timer_init(void) { + ret_code_t err_code = app_timer_init(); + APP_ERROR_CHECK(err_code); } - /**@brief Function for initializing the nrf log module. */ -static void log_init(void) -{ - ret_code_t err_code = NRF_LOG_INIT(NULL); - APP_ERROR_CHECK(err_code); +static void log_init(void) { + ret_code_t err_code = NRF_LOG_INIT(NULL); + APP_ERROR_CHECK(err_code); - NRF_LOG_DEFAULT_BACKENDS_INIT(); + NRF_LOG_DEFAULT_BACKENDS_INIT(); } - /**@brief Function for initializing power management. */ -static void power_management_init(void) -{ - ret_code_t err_code; - err_code = nrf_pwr_mgmt_init(); - APP_ERROR_CHECK(err_code); +static void power_management_init(void) { + ret_code_t err_code; + err_code = nrf_pwr_mgmt_init(); + APP_ERROR_CHECK(err_code); } - /** @brief Function for initializing the database discovery module. */ -static void db_discovery_init(void) -{ - ble_db_discovery_init_t db_init; +static void db_discovery_init(void) { + ble_db_discovery_init_t db_init; - memset(&db_init, 0, sizeof(ble_db_discovery_init_t)); + memset(&db_init, 0, sizeof(ble_db_discovery_init_t)); - db_init.evt_handler = db_disc_handler; - db_init.p_gatt_queue = &m_ble_gatt_queue; + db_init.evt_handler = db_disc_handler; + db_init.p_gatt_queue = &m_ble_gatt_queue; - ret_code_t err_code = ble_db_discovery_init(&db_init); - APP_ERROR_CHECK(err_code); + ret_code_t err_code = ble_db_discovery_init(&db_init); + APP_ERROR_CHECK(err_code); } - /**@brief Function for handling the idle state (main loop). * * @details Handles any pending log operations, then sleeps until the next event occurs. */ -static void idle_state_handle(void) -{ - if (NRF_LOG_PROCESS() == false) - { - nrf_pwr_mgmt_run(); - } +static void idle_state_handle(void) { + if (NRF_LOG_PROCESS() == false) { + nrf_pwr_mgmt_run(); + } } -APP_TIMER_DEF(m_uart_send_tmr); // 状态机驱动定时器 +APP_TIMER_DEF(m_uart_send_tmr); // 状态机驱动定时器 static void uart_send_tmr_cb(void* p_context) { // static uint32_t last_data_array_index; - ret_code_t ret_val; + ret_code_t ret_val; if (data_array_index != 0 && data_array_index == last_data_array_index) { do { ret_val = ble_nus_c_string_send(&m_ble_nus_c, data_array, data_array_index); @@ -701,38 +585,36 @@ static void uart_send_tmr_cb(void* p_context) { // } last_data_array_index = data_array_index; } -int main(void) -{ - // Initialize. - log_init(); - timer_init(); - uart_init(); - buttons_leds_init(); - db_discovery_init(); - power_management_init(); - ble_stack_init(); - gatt_init(); - nus_c_init(); - scan_init(); - - app_timer_create(&m_uart_send_tmr, APP_TIMER_MODE_REPEATED, uart_send_tmr_cb); - app_timer_start(m_uart_send_tmr, APP_TIMER_TICKS(2), NULL); - - app_uart_put(1); - app_uart_put(1); - app_uart_put(1); - app_uart_put(1); - app_uart_put(1); - app_uart_put(1); - - // Start execution. - printf("BLE UART central example started.\r\n"); - NRF_LOG_INFO("BLE UART central example started."); - scan_start(); - - // Enter main loop. - for (;;) - { - idle_state_handle(); - } +int main(void) { + // Initialize. + log_init(); + timer_init(); + uart_init(); + buttons_leds_init(); + db_discovery_init(); + power_management_init(); + ble_stack_init(); + gatt_init(); + nus_c_init(); + scan_init(); + + app_timer_create(&m_uart_send_tmr, APP_TIMER_MODE_REPEATED, uart_send_tmr_cb); + app_timer_start(m_uart_send_tmr, APP_TIMER_TICKS(2), NULL); + + app_uart_put(1); + app_uart_put(1); + app_uart_put(1); + app_uart_put(1); + app_uart_put(1); + app_uart_put(1); + + // Start execution. + printf("BLE UART central example started.\r\n"); + NRF_LOG_INFO("BLE UART central example started."); + scan_start(); + + // Enter main loop. + for (;;) { + idle_state_handle(); + } }