default 16mhz and timer enable

Author: binarymaker

config/mcu-cfg.c

@@ -199,9 +199,21 @@ USART_Config()
 {
   /**
    * Baud rate register value --------------------------------------------------
+   * 
+   * use USART_BAUD_REG_CALC() for normal speed
+   * use USART_BAUD_REG_2X_CALC for 2x speed
    */
   UBRR0     =    USART_BAUD_REG_CALC(9600UL)                                   ;
-
+  
+  /**
+   * Baud rate speed increase by 2
+   * 
+   *            U2X0
+   * Enable  -  _H_ 
+   * Disable -  _L_ 
+   */
+  UCSR0A    =    _L_(U2X0)                                                     ;
+  
   /**
    * USART transmit and receive activation -------------------------------------
    * 
@@ -293,7 +305,7 @@ TIMER0_Config()
    * Ext T0 falling  -  _H_    |    _H_    |    _L_
    * Ext T0 rising   -  _H_    |    _H_    |    _H_     
    */
-  TCCR0B    =     _L_(CS02)    |    _L_(CS01)    |    _L_(CS00)                ;
+  TCCR0B    =     _L_(CS02)    |    _H_(CS01)    |    _H_(CS00)                ;
 
   /**
    * Timer0 count value --------------------------------------------------------

config/mcu-cfg.h

@@ -25,23 +25,26 @@
  extern "C" {
 #endif
 
-#define F_CPU                                                        (8000000UL)
+#define F_CPU                                                       (16000000UL)
 
 #define MCU_GPIO_DRIVER                                                  ENABLE 
 #define MCU_EXTERNAL_INTERRUPT_DRIVER                                    DISABLE
 #define MCU_ADC_DRIVER                                                   DISABLE
-#define MCU_USART_DRIVER                                                 DISABLE
+#define MCU_USART_DRIVER                                                 ENABLE
 #define MCU_I2C_DRIVER                                                   DISABLE
 #define MCU_SPI_DRIVER                                                   DISABLE
-#define MCU_TIMER0_DRIVER                                                DISABLE
+#define MCU_TIMER0_DRIVER                                                ENABLE
 #define MCU_TIMER1_DRIVER                                                DISABLE
 #define MCU_TIMER2_DRIVER                                                DISABLE
 
 #define IS_DRIVER_ENABLE(module)               (MCU_##module##_DRIVER == ENABLE)
 
 /* ############################# SYSTIMER DRIVER ############################ */
 
-#define MICROSECONDS_PER_SYSTIMER_OVERFLOW                               (2000U)
+#define SYSTIMER_PRESCALLER                                                (64U)
+#define SYSTIMER_MAX_COUNT                                                (256U)
+#define MICROSECONDS_PER_SYSTIMER_OVERFLOW                                     \
+           CLOCK_CYCLE_TO_MICROSECONDS(SYSTIMER_PRESCALLER * SYSTIMER_MAX_COUNT)
 
 /* ############################### GPIO DRIVER ############################## */