add display rotation

src/hardware/display.cpp

@@ -13,6 +13,7 @@ void display_setup( TTGOClass *ttgo ) {
 
     ttgo->openBL();
     ttgo->bl->adjust( 0 );
+    ttgo->tft->setRotation( display_config.rotation / 90 );
 }
 
 /*
@@ -74,4 +75,16 @@ void display_set_brightness( uint32_t brightness ) {
 
     display_config.brightness = brightness;
     ttgo->bl->adjust( brightness );
-}
+}
+
+uint32_t display_get_rotation( void ) {
+  TTGOClass *ttgo = TTGOClass::getWatch();
+  return( display_config.rotation );
+}
+
+void display_set_rotation( uint32_t rotation ) {
+  TTGOClass *ttgo = TTGOClass::getWatch();
+  display_config.rotation = rotation;
+  ttgo->tft->setRotation( rotation / 90 );
+  lv_obj_invalidate( lv_scr_act() );
+}

src/hardware/display.h

@@ -7,9 +7,13 @@
     #define DISPLAY_MIN_BRIGHTNESS      32
     #define DISPLAY_MAX_BRIGHTNESS      255
 
+    #define DISPLAY_MIN_ROTATE          0
+    #define DISPLAY_MAX_ROTATE          270
+
     typedef struct {
         uint32_t brightness = DISPLAY_MIN_BRIGHTNESS;
         uint32_t timeout = DISPLAY_MIN_TIMEOUT;
+        uint32_t rotation = 0;
     } display_config_t;
 
     #define DISPLAY_CONFIG_FILE  "/display.cfg"
@@ -58,5 +62,17 @@
      * @param brightness brightness from 0-255
      */
     void display_set_brightness( uint32_t brightness );
+    /*
+     * @brief read the rotate from the display
+     * 
+     * @return  rotation from 0-270 degree in 90 degree steps
+     */
+    uint32_t display_get_rotation( void );
+    /*
+     * @brief set the rotate for the display
+     * 
+     * @param rotation from 0-270 in 90 degree steps
+     */
+    void display_set_rotation( uint32_t rotation );
 
 #endif // _DISPLAY_H

src/hardware/motor.cpp

@@ -1,4 +1,3 @@
-#include <TTGO.h>
 #include "motor.h"
 #include "powermgm.h"
 

src/hardware/motor.h

@@ -1,6 +1,8 @@
 #ifndef _MOTOR_H
     #define _MOTOR_H
 
+    #include "TTGO.h"
+
     /*
      * @ brief setup motor I/O
      */

src/hardware/pmu.cpp

@@ -30,6 +30,8 @@ void pmu_setup( TTGOClass *ttgo ) {
         Serial.printf("target voltage set failed!\r\n");
     if ( ttgo->power->setChargeControlCur( 300 ) )
         Serial.printf("charge current set failed!\r\n");
+    if ( ttgo->power->setAdcSamplingRate( AXP_ADC_SAMPLING_RATE_200HZ ) )
+        Serial.printf("adc sample set failed!\r\n");
 
     // Turn off unused power
     ttgo->power->setPowerOutPut( AXP202_EXTEN, AXP202_OFF );

src/hardware/powermgm.cpp

@@ -9,6 +9,7 @@
 #include "wifictl.h"
 #include "timesync.h"
 #include "motor.h"
+#include "touch.h"
 
 EventGroupHandle_t powermgm_status = NULL;
 
@@ -24,6 +25,7 @@ void powermgm_setup( TTGOClass *ttgo ) {
     bma_setup( ttgo );
     wifictl_setup();
     timesync_setup( ttgo );
+    touch_setup( ttgo );
 }
 
 /*

src/hardware/powermgm.h

@@ -1,6 +1,8 @@
 #ifndef _POWERMGM_H
     #define _POWERMGM_H
 
+    #include "TTGO.h"
+
     #define POWERMGM_STANDBY            _BV(0)
     #define POWERMGM_PMU_BUTTON         _BV(1)
     #define POWERMGM_PMU_BATTERY        _BV(2)

src/hardware/touch.cpp

@@ -0,0 +1,49 @@
+#include "config.h"
+#include "touch.h"
+
+lv_indev_t *touch_indev = NULL;
+
+static bool touch_read(lv_indev_drv_t * drv, lv_indev_data_t*data);
+static bool touch_getXY( int16_t &x, int16_t &y );
+
+void touch_setup( TTGOClass *ttgo ) {
+    touch_indev = lv_indev_get_next( NULL );
+
+    touch_indev->driver.read_cb = touch_read;
+}
+
+static bool touch_getXY( int16_t &x, int16_t &y ) {
+    TTGOClass *ttgo = TTGOClass::getWatch();
+    TP_Point p;
+
+    if ( !ttgo->touch->touched() ) {
+        return false;
+    }    
+    p = ttgo->touch->getPoint();
+
+    uint8_t rotation = ttgo->tft->getRotation();
+    switch ( rotation ) {
+    case 0:
+        x = TFT_WIDTH - p.x;
+        y = TFT_HEIGHT - p.y;
+        break;
+    case 1:
+        x = TFT_WIDTH - p.y;
+        y = p.x;
+        break;
+    case 3:
+        x = p.y;
+        y = TFT_HEIGHT - p.x;
+        break;
+    case 2:
+    default:
+        x = p.x;
+        y = p.y;
+    }
+    return true;
+}
+
+static bool touch_read(lv_indev_drv_t * drv, lv_indev_data_t*data) {
+    data->state = touch_getXY(data->point.x, data->point.y) ?  LV_INDEV_STATE_PR : LV_INDEV_STATE_REL;
+    return false;
+}

src/hardware/touch.h

@@ -0,0 +1,9 @@
+#ifndef _TOUCH_H
+
+    #define _TOUCH_H
+
+    #include "TTGO.h"
+
+    void touch_setup( TTGOClass *ttgo );
+
+#endif // _TOUCH_H