BLE <-> UART only char[8]

Fork of nRF51822 by Nordic Semiconductor

Revision:
6:bbb4357dc135
Parent:
0:eff01767de02
Child:
8:2214f1df6a6a
--- a/btle/custom/custom_helper.cpp	Fri May 23 11:14:45 2014 +0100
+++ b/btle/custom/custom_helper.cpp	Wed May 28 12:55:18 2014 +0100
@@ -20,50 +20,49 @@
 /*!
     @brief      Adds the base UUID to the custom service. All UUIDs used
                 by this service are based on this 128-bit UUID.
-                
+
     @note       This UUID needs to be added to the SoftDevice stack before
                 adding the service's primary service via
                 'sd_ble_gatts_service_add'
 
     @param[in]  p_uuid_base   A pointer to the 128-bit UUID array (8*16)
-    
+
     @returns    The UUID type.
                 A return value of 0 should be considered an error.
-                
+
     @retval     0x00    BLE_UUID_TYPE_UNKNOWN
     @retval     0x01    BLE_UUID_TYPE_BLE
     @retval     0x02    BLE_UUID_TYPE_VENDOR_BEGIN
-    
+
     @section EXAMPLE
     @code
 
     // Take note that bytes 2/3 are blank since these are used to identify
     // the primary service and individual characteristics
     #define CFG_CUSTOM_UUID_BASE  "\x6E\x40\x00\x00\xB5\xA3\xF3\x93\xE0\xA9\xE5\x0E\x24\xDC\xCA\x9E"
-    
+
     uint8_t uuid_type = custom_add_uuid_base(CFG_CUSTOM_UUID_BASE);
     ASSERT(uuid_type > 0, ERROR_NOT_FOUND);
-    
+
     // We can now safely add the primary service and any characteristics
     // for our custom service ...
-    
+
     @endcode
 */
 /**************************************************************************/
-uint8_t custom_add_uuid_base(uint8_t const * const p_uuid_base)
+uint8_t custom_add_uuid_base(uint8_t const *const p_uuid_base)
 {
-  ble_uuid128_t base_uuid;
-  uint8_t uuid_type = 0;
+    ble_uuid128_t base_uuid;
+    uint8_t       uuid_type = 0;
 
-  /* Reverse the bytes since ble_uuid128_t is LSB */
-  for(uint8_t i=0; i<16; i++)
-  {
-    base_uuid.uuid128[i] = p_uuid_base[15-i];
-  }
+    /* Reverse the bytes since ble_uuid128_t is LSB */
+    for (uint8_t i = 0; i<16; i++) {
+        base_uuid.uuid128[i] = p_uuid_base[15 - i];
+    }
 
-  ASSERT_INT( ERROR_NONE, sd_ble_uuid_vs_add( &base_uuid, &uuid_type ), 0);
+    ASSERT_INT( ERROR_NONE, sd_ble_uuid_vs_add( &base_uuid, &uuid_type ), 0);
 
-  return uuid_type;
+    return uuid_type;
 }
 
 /**************************************************************************/
@@ -71,19 +70,19 @@
 
 */
 /**************************************************************************/
-error_t custom_decode_uuid_base(uint8_t const * const p_uuid_base, ble_uuid_t * p_uuid)
+error_t custom_decode_uuid_base(uint8_t const *const p_uuid_base,
+                                ble_uuid_t          *p_uuid)
 {
-  uint8_t uuid_base_le[16];
+    uint8_t uuid_base_le[16];
 
-  /* Reverse the bytes since ble_uuid128_t is LSB */
-  for(uint8_t i=0; i<16; i++)
-  {
-    uuid_base_le[i] = p_uuid_base[15-i];
-  }
+    /* Reverse the bytes since ble_uuid128_t is LSB */
+    for (uint8_t i = 0; i<16; i++) {
+        uuid_base_le[i] = p_uuid_base[15 - i];
+    }
 
-  ASSERT_STATUS( sd_ble_uuid_decode(16, uuid_base_le, p_uuid) );
+    ASSERT_STATUS( sd_ble_uuid_decode(16, uuid_base_le, p_uuid));
 
-  return ERROR_NONE;
+    return ERROR_NONE;
 }
 
 /**************************************************************************/
@@ -100,64 +99,66 @@
                                   defined by ble_gatt_char_props_t
     @param[in]  max_length        The maximum length of this characeristic
     @param[in]  p_char_handle
-    
+
     @returns
     @retval     ERROR_NONE        Everything executed normally
 */
 /**************************************************************************/
-error_t custom_add_in_characteristic(uint16_t service_handle, ble_uuid_t* p_uuid, uint8_t properties,
-                                     uint8_t *p_data, uint16_t min_length, uint16_t max_length,
-                                     ble_gatts_char_handles_t* p_char_handle)
+error_t custom_add_in_characteristic(uint16_t                  service_handle,
+                                     ble_uuid_t               *p_uuid,
+                                     uint8_t                   properties,
+                                     uint8_t                  *p_data,
+                                     uint16_t                  min_length,
+                                     uint16_t                  max_length,
+                                     ble_gatts_char_handles_t *p_char_handle)
 {
-  /* Characteristic metadata */
-  ble_gatts_attr_md_t cccd_md;
-  ble_gatt_char_props_t char_props;
-
-  memcpy(&char_props, &properties, 1);
+    /* Characteristic metadata */
+    ble_gatts_attr_md_t   cccd_md;
+    ble_gatt_char_props_t char_props;
 
-  if ( char_props.notify || char_props.indicate )
-  { 
-    /* Notification requires cccd */
-    memclr_( &cccd_md, sizeof(ble_gatts_attr_md_t) );
-    cccd_md.vloc = BLE_GATTS_VLOC_STACK;
-    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
-    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm);
-  }
+    memcpy(&char_props, &properties, 1);
 
-  ble_gatts_char_md_t char_md = { 0 };
+    if (char_props.notify || char_props.indicate) {
+        /* Notification requires cccd */
+        memclr_( &cccd_md, sizeof(ble_gatts_attr_md_t));
+        cccd_md.vloc = BLE_GATTS_VLOC_STACK;
+        BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.read_perm);
+        BLE_GAP_CONN_SEC_MODE_SET_OPEN(&cccd_md.write_perm);
+    }
 
-  char_md.char_props = char_props;
-  char_md.p_cccd_md  = (char_props.notify || char_props.indicate ) ? &cccd_md : NULL;
+    ble_gatts_char_md_t char_md = {0};
 
-  /* Attribute declaration */
-  ble_gatts_attr_md_t attr_md = { 0 };
+    char_md.char_props = char_props;
+    char_md.p_cccd_md  =
+        (char_props.notify || char_props.indicate) ? &cccd_md : NULL;
 
-  attr_md.vloc = BLE_GATTS_VLOC_STACK;
-  attr_md.vlen = (min_length == max_length) ? 0 : 1;
+    /* Attribute declaration */
+    ble_gatts_attr_md_t attr_md = {0};
 
-  if ( char_props.read || char_props.notify || char_props.indicate )
-  {
-    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm);
-  }
+    attr_md.vloc = BLE_GATTS_VLOC_STACK;
+    attr_md.vlen = (min_length == max_length) ? 0 : 1;
 
-  if ( char_props.write )
-  {
-    BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm);
-  }
+    if (char_props.read || char_props.notify || char_props.indicate) {
+        BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.read_perm);
+    }
+
+    if (char_props.write) {
+        BLE_GAP_CONN_SEC_MODE_SET_OPEN(&attr_md.write_perm);
+    }
 
-  ble_gatts_attr_t    attr_char_value = { 0 };
+    ble_gatts_attr_t attr_char_value = {0};
 
-  attr_char_value.p_uuid    = p_uuid;
-  attr_char_value.p_attr_md = &attr_md;
-  attr_char_value.init_len  = min_length;
-  attr_char_value.max_len   = max_length;
-  attr_char_value.p_value   = p_data;
+    attr_char_value.p_uuid    = p_uuid;
+    attr_char_value.p_attr_md = &attr_md;
+    attr_char_value.init_len  = min_length;
+    attr_char_value.max_len   = max_length;
+    attr_char_value.p_value   = p_data;
 
 
-  ASSERT_STATUS ( sd_ble_gatts_characteristic_add(service_handle,
-                                                  &char_md,
-                                                  &attr_char_value,
-                                                  p_char_handle) );
+    ASSERT_STATUS ( sd_ble_gatts_characteristic_add(service_handle,
+                                                    &char_md,
+                                                    &attr_char_value,
+                                                    p_char_handle));
 
-  return ERROR_NONE;
+    return ERROR_NONE;
 }