/***********************************************************************************
* @fn halRfDisableRxInterrupt
*
* @brief Clear and disable RX interrupt.
*
* @param none
*
* @return none
*/
void halRfDisableRxInterrupt(void)
{
// Clear the exception and the IRQ
CLEAR_EXC_RX_FRM_DONE();
halDigioIntClear(&pinRadio_GPIO0);
halDigioIntDisable(&pinRadio_GPIO0);
}
/***********************************************************************************
* @fn halRfInit
*
* @brief Power up, sets default tuning settings, enables autoack and configures
* chip IO
*
* @param none
*
* @return HAL_RF_SUCCESS if the radio has started, FAILURE otherwise
*/
uint8 halRfInit(void)
{
regVal_t* p;
DEBUG_MSG_FUNC_START;
// Avoid GPIO0 interrupts during reset
#if 0 // POOH
halDigioIntDisable(&pinRadio_GPIO0);
#else
CC2520_GPIO_0_Interrupt_Setting(DISABLE);
#endif
// Make sure to pull the CC2520 RESETn and VREG_EN pins low
CC2520_RESET_OPIN(0);
CC2520_SPI_END();
CC2520_VREG_EN_OPIN(0);
#if 0 // POOH
halMcuWaitUs(1100);
#else
Delay(110);
#endif
// Make sure MISO is configured as output.
#if 0 // POOH
CC2520_MISO_DIR_OUT();
#endif
// Enable the voltage regulator and wait for it (CC2520 power-up)
CC2520_VREG_EN_OPIN(1);
#if 0 // POOH
halMcuWaitUs(CC2520_VREG_MAX_STARTUP_TIME);
#else
Delay(200);
#endif
// Release reset
CC2520_RESET_OPIN(1);
#if 0 // POOH
// Wait for XOSC stable to be announced on the MISO pin
if (halRfWaitRadioReady()==HAL_RF_FAILED)
return HAL_RF_FAILED;
#else
Delay(200);
#endif
// Write non-default register values
p= regval;
while (p->reg!=0) {
CC2520_MEMWR8(p->reg,p->val);
p++;
}
return HAL_RF_SUCCESS;
}
/***********************************************************************************
* @fn halRfDisableRxInterrupt
*
* @brief Clear and disable RX interrupt.
*
* @param none
*
* @return none
*/
void halRfDisableRxInterrupt(void)
{
// Clear the exception and the IRQ
CLEAR_EXC_RX_FRM_DONE();
#if 0 // POOH
halDigioIntClear(&pinRadio_GPIO0);
halDigioIntDisable(&pinRadio_GPIO0);
#else
EXTI_ClearITPendingBit(GPIO_EXTI_Line_RF_GPIO0);
CC2520_GPIO_0_Interrupt_Setting(DISABLE);
#endif
}
/***********************************************************************************
* @fn halRfInit
*
* @brief Power up, sets default tuning settings, enables autoack and configures
* chip IO
*
* @param none
*
* @return SUCCESS if the radio has started, FAILURE otherwise
*/
uint8 halRfInit(void)
{
regVal_t* p;
uint8 val;
// Avoid GPIO0 interrupts during reset
halDigioIntDisable(&pinRadio_GPIO0);
// Make sure to pull the CC2520 RESETn and VREG_EN pins low
CC2520_RESET_OPIN(0);
CC2520_SPI_END();
CC2520_VREG_EN_OPIN(0);
halMcuWaitUs(1100);
// Make sure MISO is configured as output.
CC2520_MISO_DIR_OUT();
// Enable the voltage regulator and wait for it (CC2520 power-up)
CC2520_VREG_EN_OPIN(1);
halMcuWaitUs(CC2520_VREG_MAX_STARTUP_TIME);
// Release reset
CC2520_RESET_OPIN(1);
// Wait for XOSC stable to be announced on the MISO pin
if (halRfWaitRadioReady()==FAILED)
return FAILED;
// Write non-default register values
p= regval;
while (p->reg!=0) {
CC2520_MEMWR8(p->reg,p->val);
p++;
}
// Verify a register
val= CC2520_MEMRD8(CC2520_MDMCTRL0);
return val==0x85? SUCCESS : FAILED;
}
/**************************************************************************************************
* @fn HalKeyIntDisable
*
* @brief
*
* @param none
*
* @return None
**************************************************************************************************/
void HalKeyIntDisable(void)
{
halDigioIntDisable(&pinKey);
}
/***********************************************************************************
* @fn halJoystickIntDisable
*
* @brief Disable joystick move interrupt
*
* @param none
*
* @return none
*/
void halJoystickIntDisable(void)
{
halDigioIntDisable(&pinJoystickMove);
}
