Refactor the touch sensor driver

components/soc/esp32/include/soc/touch_sensor_channel.h

@@ -0,0 +1,49 @@
+// Copyright 2019 Espressif Systems (Shanghai) PTE LTD
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#ifndef _SOC_TOUCH_CHANNEL_H
+#define _SOC_TOUCH_CHANNEL_H
+
+//Touch channels
+#define TOUCH_PAD_GPIO4_CHANNEL     TOUCH_PAD_NUM0
+#define TOUCH_PAD_NUM0_GPIO_NUM     4
+
+#define TOUCH_PAD_GPIO0_CHANNEL     TOUCH_PAD_NUM1
+#define TOUCH_PAD_NUM1_GPIO_NUM     0
+
+#define TOUCH_PAD_GPIO2_CHANNEL     TOUCH_PAD_NUM2
+#define TOUCH_PAD_NUM2_GPIO_NUM     2
+
+#define TOUCH_PAD_GPIO15_CHANNEL    TOUCH_PAD_NUM3
+#define TOUCH_PAD_NUM3_GPIO_NUM     15
+
+#define TOUCH_PAD_GPIO13_CHANNEL    TOUCH_PAD_NUM4
+#define TOUCH_PAD_NUM4_GPIO_NUM     13
+
+#define TOUCH_PAD_GPIO12_CHANNEL    TOUCH_PAD_NUM5
+#define TOUCH_PAD_NUM5_GPIO_NUM     12
+
+#define TOUCH_PAD_GPIO14_CHANNEL    TOUCH_PAD_NUM6
+#define TOUCH_PAD_NUM6_GPIO_NUM     14
+
+#define TOUCH_PAD_GPIO27_CHANNEL    TOUCH_PAD_NUM7
+#define TOUCH_PAD_NUM7_GPIO_NUM     27
+
+#define TOUCH_PAD_GPIO33_CHANNEL    TOUCH_PAD_NUM8
+#define TOUCH_PAD_NUM8_GPIO_NUM     33
+
+#define TOUCH_PAD_GPIO32_CHANNEL    TOUCH_PAD_NUM9
+#define TOUCH_PAD_NUM9_GPIO_NUM     32
+
+#endif