init.c

来自「Clock+data serial protocol for PIC16/18F」· C语言 代码 · 共 42 行

#include <htc.h>

/* Program device configuration word
 * Oscillator = EXTRC-OSC2 as Clock Out
 * Watchdog Timer = On
 * Power Up Timer = Off
 * RA5/MCLR Pin Function Select = MCLR
 * Brown Out Detect = On
 * Low Voltage Program = Enabled
 * Data EE Read Protect = Off
 * Flash Program Write = Write Protect Off
 * Background Debug = Disabled
 * CCP1 Mux = RB0
 * Code Protect = Off
 */
__CONFIG(0x3FFF & WDTEN & PWRTDIS & MCLREN & BOREN & LVPEN & UNPROTECT & INTCLK & DEBUGDIS & CCPRB0 & UNPROTECT);

/* Program second configuration word
 * Fail-Safe Clock Monitor Enable = Enabled
 * Internal External Switch Over Mode = Enabled
 */
__CONFIG(FCMEN & IESOEN);

// Peripheral initialization function
void init(void){
	/***** Common Code ****
	 *  Global interrupt disabled during initialization
	 */
	INTCON	= 0b00000000;
	
	/***** 16F88 Code ****
	 *  Internal oscillator set to 8MHz
	 */
	OSCCON	= 0b01110000;

	// Enable RBIE for UART
	INTCON	= 0b00000001;
	
	ei();	// Global interrupts enabled
	
}