QDK PIC24/dsPIC-C30 - Quantum Leaps

QDK
PIC24/dsPIC-C30
www.state-machine.com/pic
6.2 The BSP header file bsp.h
The BSP header file for the DPP application defines the desired ticking rate. This constant is useful for
defining timeouts, which are always specified in units of clock ticks:
#define BSP_TICKS_PER_SEC 100
void BSP_init(void);
void BSP_displyPhilStat(uint8_t n, char const *stat);
void BSP_busyDelay(void); /* to artificially extend RTC processing */
6.3 BSP initialization
The following BSP_init() function for the Explorer 16 board configures the DSP and peripherals as,
shown in Listing 11. This file has been designed to be easily modifiable for other applications.
Listing 11: The BSP_init() implementation in the bsp.c for the DPP example.
void BSP_init(void) {
RCONbits.SWDTEN = 0; /* disable Watchdog */
TRISA = 0x00; /* set LED pins as outputs */
PORTA = 0x00; /* set LEDs drive state low */
}
if (QS_INIT((void *)0) == 0) { /* initialize the QS software tracing */
Q_ERROR();
}
6.4 Starting Interrupts in QF_onStartup()
QP invokes the QF_onStartup() callback just before starting the background loop. The
QF_onStartup() function must configure and start interrupts. At the minimum, QF_onStartup() must
start the system clock tick interrupt. The following QF_onStartup() function enables the CPU Timer 0.
void QF_onStartup(void) { /* entered with interrupts locked */
T2CON = 0; /* Use Internal Osc (Fcy), 16 bit mode, prescaler = 1 */
TMR2 = 0; /* Start counting from 0 and clear the prescaler count */
PR2 = BSP_TMR2_PERIOD - 1; /* set the timer period */
_T2IP = TIMER2_ISR_PRIO; /* set Timer 2 interrupt priority */
_T2IF = 0; /* clear the interrupt for Timer 2 */
_T2IE = 1; /* enable interrupt for Timer 2 */
T2CONbits.TON = 1; /* start Timer 2 */
}
6.5 Assertion Handling Policy in Q_onAssert()
As described in Chapter 6 of [PSiCC2], all QP components use internally assertions to detect errors in the
way application is using the QP services. You need to define how the application reacts in case of
assertion failure by providing the callback function Q_onAssert(). Typically, you would put the system in
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