/**************************************************************************************************
* @fn halAssertHazardLights
*
* @brief Blink LEDs to indicate an error.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void halAssertHazardLights(void)
{
/* disable all interrupts before anything else */
HAL_DISABLE_INTERRUPTS();
/*-------------------------------------------------------------------------------
* Master infinite loop.
*/
for (;;)
{
HAL_LED_BLINK_DELAY();
/* toggle LEDS */
HAL_TOGGLE_LED1();
HAL_TOGGLE_LED2();
}
}
/**************************************************************************************************
* @fn HalSensorWriteReg
* @brief This function implements the I2C protocol to write to a sensor. he sensor must
* be selected before this routine is called.
*
* @param addr - which register to write
* @param pBuf - pointer to buffer containing data to be written
* @param nBytes - number of bytes to write
*
* @return TRUE if successful write
*/
bool HalSensorWriteReg(uint8 addr, uint8 *pBuf, uint8 nBytes)
{
uint8 i;
uint8 *p = buffer;
/* Copy address and data to local buffer for burst write */
*p++ = addr;
for (i = 0; i < nBytes; i++)
{
*p++ = *pBuf++;
}
nBytes++;
/* Send address and data */
i = HalI2CWrite(nBytes, buffer);
if ( i!= nBytes)
HAL_TOGGLE_LED2();
return (i == nBytes);
}
/**************************************************************************************************
* @fn halAssertHazardLights
*
* @brief Blink LEDs to indicate an error.
*
* @param none
*
* @return none
**************************************************************************************************
*/
void halAssertHazardLights(void)
{
enum
{
DEBUG_DATA_RSTACK_HIGH_OFS,
DEBUG_DATA_RSTACK_LOW_OFS,
DEBUG_DATA_TX_ACTIVE_OFS,
DEBUG_DATA_RX_ACTIVE_OFS,
#if (defined HAL_MCU_AVR) || (defined HAL_MCU_CC2430)
DEBUG_DATA_INT_MASK_OFS,
#elif (defined HAL_MCU_CC2530) || (defined HAL_MCU_CC2533)
DEBUG_DATA_INT_MASK0_OFS,
DEBUG_DATA_INT_MASK1_OFS,
#endif
DEBUG_DATA_SIZE
};
uint8 buttonHeld;
uint8 debugData[DEBUG_DATA_SIZE];
/* disable all interrupts before anything else */
HAL_DISABLE_INTERRUPTS();
/*-------------------------------------------------------------------------------
* Initialize LEDs and turn them off.
*/
HAL_BOARD_INIT();
HAL_TURN_OFF_LED1();
HAL_TURN_OFF_LED2();
HAL_TURN_OFF_LED3();
HAL_TURN_OFF_LED4();
/*-------------------------------------------------------------------------------
* Master infinite loop.
*/
for (;;)
{
buttonHeld = 0;
/*-------------------------------------------------------------------------------
* "Hazard lights" loop. A held keypress will exit this loop.
*/
do
{
HAL_LED_BLINK_DELAY();
/* toggle LEDS, the #ifdefs are in case HAL has logically remapped non-existent LEDs */
#if (HAL_NUM_LEDS >= 1)
HAL_TOGGLE_LED1();
#if (HAL_NUM_LEDS >= 2)
HAL_TOGGLE_LED2();
#if (HAL_NUM_LEDS >= 3)
HAL_TOGGLE_LED3();
#if (HAL_NUM_LEDS >= 4)
HAL_TOGGLE_LED4();
#endif
#endif
#endif
#endif
/* escape hatch to continue execution, set escape to '1' to continue execution */
{
static uint8 escape = 0;
if (escape)
{
escape = 0;
return;
}
}
/* break out of loop if button is held long enough */
if (HAL_PUSH_BUTTON1())
{
buttonHeld++;
}
else
{
buttonHeld = 0;
}
}
while (buttonHeld != 10); /* loop until button is held specified number of loops */
/*-------------------------------------------------------------------------------
* Just exited from "hazard lights" loop.
*/
/* turn off all LEDs */
HAL_TURN_OFF_LED1();
HAL_TURN_OFF_LED2();
HAL_TURN_OFF_LED3();
HAL_TURN_OFF_LED4();
/* wait for button release */
HAL_DEBOUNCE(!HAL_PUSH_BUTTON1());
/*-------------------------------------------------------------------------------
* Load debug data into memory.
*/
#ifdef HAL_MCU_AVR
{
uint8 * pStack;
pStack = (uint8 *) SP;
pStack++; /* point to return address on stack */
debugData[DEBUG_DATA_RSTACK_HIGH_OFS] = *pStack;
pStack++;
debugData[DEBUG_DATA_RSTACK_LOW_OFS] = *pStack;
}
debugData[DEBUG_DATA_INT_MASK_OFS] = EIMSK;
#endif
#if (defined HAL_MCU_CC2430)
debugData[DEBUG_DATA_INT_MASK_OFS] = RFIM;
#elif (defined HAL_MCU_CC2530) || (defined HAL_MCU_CC2533)
debugData[DEBUG_DATA_INT_MASK0_OFS] = RFIRQM0;
debugData[DEBUG_DATA_INT_MASK1_OFS] = RFIRQM1;
#endif
#if (defined HAL_MCU_AVR) || (defined HAL_MCU_CC2430) || (defined HAL_MCU_CC2530) || \
(defined HAL_MCU_CC2533) || (defined HAL_MCU_MSP430)
debugData[DEBUG_DATA_TX_ACTIVE_OFS] = macTxActive;
debugData[DEBUG_DATA_RX_ACTIVE_OFS] = macRxActive;
#endif
/* initialize for data dump loop */
{
uint8 iBit;
uint8 iByte;
iBit = 0;
iByte = 0;
/*-------------------------------------------------------------------------------
* Data dump loop. A button press cycles data bits to an LED.
*/
while (iByte < DEBUG_DATA_SIZE)
{
/* wait for key press */
while(!HAL_PUSH_BUTTON1());
/* turn on all LEDs for first bit of byte, turn on three LEDs if not first bit */
HAL_TURN_ON_LED1();
HAL_TURN_ON_LED2();
HAL_TURN_ON_LED3();
if (iBit == 0)
{
HAL_TURN_ON_LED4();
}
else
{
HAL_TURN_OFF_LED4();
}
/* wait for debounced key release */
HAL_DEBOUNCE(!HAL_PUSH_BUTTON1());
/* turn off all LEDs */
HAL_TURN_OFF_LED1();
HAL_TURN_OFF_LED2();
HAL_TURN_OFF_LED3();
HAL_TURN_OFF_LED4();
/* output value of data bit to LED1 */
if (debugData[iByte] & (1 << (7 - iBit)))
{
HAL_TURN_ON_LED1();
}
else
{
HAL_TURN_OFF_LED1();
}
/* advance to next bit */
iBit++;
if (iBit == 8)
{
iBit = 0;
iByte++;
}
}
}
/*
* About to enter "hazard lights" loop again. Turn off LED1 in case the last bit
* displayed happened to be one. This guarantees all LEDs are off at the start of
* the flashing loop which uses a toggle operation to change LED states.
*/
HAL_TURN_OFF_LED1();
}
}
