From d0fb1850606ce003887259675e271a9aade4fda0 Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 22 Feb 2015 16:16:48 +0100
Subject: o Starting a new class for all SoilMoisture GATT stuff.

---
 apps/sm-get-value.cpp | 120 +++-----------------------------------------------
 1 file changed, 5 insertions(+), 115 deletions(-)

(limited to 'apps/sm-get-value.cpp')

diff --git a/apps/sm-get-value.cpp b/apps/sm-get-value.cpp
index e4ddc16..46177f2 100644
--- a/apps/sm-get-value.cpp
+++ b/apps/sm-get-value.cpp
@@ -2,100 +2,22 @@
 #include <boost/uuid/uuid_io.hpp>
 #include <boost/optional.hpp>
 #include "ble/Bluetooth.h"
-#include "soil-moisture.h"
+#include "SoilMoisture.h"
 
 using namespace std;
 using namespace trygvis::bluetooth;
-
-#define BLUETOOTH_UUID_INITIALIZER \
-    { \
-        0x00, 0x00, 0x00, 0x00, \
-        0x00, 0x00, \
-        0x10, 0x00, \
-        0x80, 0x00, \
-        0x00, 0x80, 0x5f, 0x9b, 0x34, 0xfb \
-    };
-
-auto trygvis_io_base_uuid = boost::uuids::uuid {
-        0x32, 0xd0, 0x00, 0x00,
-        0x03, 0x5d,
-        0x59, 0xc5,
-        0x70, 0xd3,
-        0xbc, 0x8e, 0x4a, 0x1f, 0xd8, 0x3f};
-
-auto soil_moisture_service = makeUuid(trygvis_io_base_uuid, 0x00, 0x10);
-auto soil_moisture_characteristic = makeUuid(trygvis_io_base_uuid, 0x00, 0x11);
-
-ByteBuffer &operator<<(ByteBuffer &bytes, const sm_req &req);
+using namespace trygvis::soil_moisture;
 
 bool loop = true;
 
-ByteBuffer writeAndRead(BluetoothGatt &gatt, const BluetoothGattCharacteristic &c, const ByteBuffer &requestBytes) {
-    uint8_t expectedCode = requestBytes.get8(0);
-
-    gatt.writeValue(c, requestBytes);
-
-    auto responseBytes = gatt.readValue(c);
-
-    if (responseBytes.getSize() < 1) {
-        throw runtime_error("Unexpected number of bytes read: " + to_string(requestBytes.getSize()));
-    }
-
-    uint8_t actualCode = responseBytes.read8();
-    if (actualCode != expectedCode) {
-        throw runtime_error("Unexpected response code: " + to_string(actualCode) + ", expected " + to_string(expectedCode));
-    }
-
-    return responseBytes;
-}
-
-uint8_t getSensorCount(BluetoothGatt &gatt, BluetoothGattCharacteristic &c) {
-    sm_req req = {
-            .code = SM_CMD_GET_SENSOR_COUNT,
-    };
-
-    auto requestBytes = ByteBuffer::alloc(sizeof(struct sm_req));
-    requestBytes << req;
-    requestBytes.setCursor(0);
-
-    return writeAndRead(gatt, c, requestBytes).read8();
-}
-
-uint16_t getValue(BluetoothGatt &gatt, BluetoothGattCharacteristic &c, uint8_t sensor) {
-    sm_req req = {
-            .code = SM_CMD_GET_VALUE,
-    };
-    req.get_value = {
-            .sensor = sensor,
-    };
-
-    auto requestBytes = ByteBuffer::alloc(sizeof(struct sm_req));
-    requestBytes << req;
-    requestBytes.setCursor(0);
-
-    return writeAndRead(gatt, c, requestBytes).read16le();
-}
-
 void withConnection(BluetoothGatt &gatt) {
-    gatt.discoverServices();
+    SoilMoisture soilMoisture = SoilMoisture::create(gatt);
 
-    auto service = gatt.findService(soil_moisture_service);
-
-    if (!service) {
-        throw runtime_error("The device is missing the soil moisture service");
-    }
-
-    auto c = service->findCharacteristic(soil_moisture_characteristic);
-
-    if (!c) {
-        throw runtime_error("The device is missing the soil moisture characteristic");
-    }
-
-    int sensorCount = getSensorCount(gatt, *c);
+    int sensorCount = soilMoisture.getSensorCount();
 
     while (loop) {
         for (uint8_t i = 0; i < sensorCount; i++) {
-            uint16_t value = getValue(gatt, *c, i);
+            uint16_t value = soilMoisture.getValue(i);
 
             cout << "sensor=" << to_string(i) << ", value=" << (int) value << endl;
         }
@@ -141,35 +63,3 @@ int main(int argc, char *argv[]) {
         return EXIT_FAILURE;
     }
 }
-
-ByteBuffer &operator<<(ByteBuffer &bytes, const sm_req &req) {
-    bytes.write8(req.code);
-    switch (req.code) {
-        case SM_CMD_GET_SENSOR_COUNT:
-            return bytes;
-        case SM_CMD_GET_VALUE:
-            return bytes.
-                    write8(req.get_value.sensor);
-        case SM_CMD_SET_WARNING_VALUE:
-            return bytes.
-                    write8(req.set_warning_value.sensor).
-                    write16le(req.set_warning_value.warning_value);
-        case SM_CMD_GET_WARNING_VALUE:
-            return bytes.
-                    write8(req.set_warning_value.sensor);
-        case SM_CMD_SET_SENSOR_NAME:
-            return bytes.
-                    write8(req.set_sensor_name.sensor).
-                    write8(req.set_sensor_name.length).
-                    write(req.set_sensor_name.name, req.set_sensor_name.length);
-        case SM_CMD_GET_SENSOR_NAME:
-            return bytes.
-                    write8(req.get_sensor_name.sensor);
-        case SM_CMD_SET_UPDATE_INTERVAL:
-            return bytes.
-                    write8(req.set_update_interval.sensor).
-                    write8(req.set_update_interval.interval_in_seconds);
-        default:
-            throw runtime_error("Unknown code: " + to_string(req.code));
-    }
-}
-- 
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