Fix haptic DDR error on V4 and fixing the SOMO14D code.

src/open9x.cpp

@@ -2150,7 +2150,7 @@ int main(void)
 #if defined (PCBV4)
   DDRB = 0b11000111;  PORTB = 0b00111111; // 7:SPKR, 6:PPM_OUT,  5:TrainSW,  4:IDL2_SW, SDCARD[3:MISO 2:MOSI 1:SCK 0:CS]
   DDRC = 0x3f;  PORTC = 0xc0; // 7:AilDR, 6:EleDR, LCD[5,4,3,2,1], 0:BackLight
-  DDRD = 0x00;  PORTD = 0b11111100; // 7:VIB, 6:LED BL, 5:RENC2_PUSH, 4:RENC1_PUSH, 3:RENC2_B, 2:RENC2_A, 1:I2C_SDA, 0:I2C_SCL
+  DDRD = 0b11000000;  PORTD = 0b11111100; // 7:VIB, 6:LED BL, 5:RENC2_PUSH, 4:RENC1_PUSH, 3:RENC2_B, 2:RENC2_A, 1:I2C_SDA, 0:I2C_SCL
   DDRE = 0b00001010;  PORTE = 0b11110101; // 7:PPM_IN, 6: RENC1_B, 5:RENC1_A, 4:USB_DNEG, 3:BUZZER, 2:USB_DPOS, 1:TELEM_TX, 0:TELEM_RX
   DDRF = 0x00;  PORTF = 0x00; // 7-4:JTAG, 3:ADC_REF_1.2V input, 2-0:ADC_SPARE_2-0
   DDRG = 0b00010000;  PORTG = 0xff; // 7-6:N/A, 5:GearSW, 4: Sim_Ctrl[out], 3:IDL1_Sw, 2:TCut_Sw, 1:RF_Power[in], 0: RudDr_Sw
@@ -2321,6 +2321,10 @@ int main(void)
   /***************************************************/
 #endif
 
+#if defined (PCBV4)
+OCR4A = 0x7d;
+TCCR4B = (1 << WGM42) | (3<<CS40); // CTC OCR1A, 16MHz / 64 (4us ticks)
+#endif
   startPulses();
 
   wdt_enable(WDTO_500MS);