SPC564B74 - eMIOS ICU limited to 10ch?

aurelien23 · ‎2015-09-03

Posted on September 03, 2015 at 10:49

Hello,

On SPC5Studio V3.6 and SPC564B74. I would like to use ICU eMIOS_0 ch. 9 (PA[9], E0UC[9]) but eMIOS ICU config in HAL layers is only listing ch. 0 to 7 and ch.24. It should lists ch.1 to 7 and 9 to 15 on eMIOS_0 and ch.9 to 15 on eMIOS_1 according to reference manual, right?

If you confirm the issue, can you please advise on which files should be modified?

Please see screenshots below.

Thanks,

Aurélien

Erwan YVIN · ‎2015-09-03

Posted on September 03, 2015 at 17:25 Hello Aurelien , for ICU , eMIOS HAL point of view has been limited from Channel 0 to Channel 7 and Channel from the RM, you can use ICU from channel 0 to Channel 31 by SAIC (Single Action Input Capture) for PWM , eMIOS HAL point of view from Channel 8 to Channel if you want to use eMIOS ICU , i advice you to update icu_lld.c. (cf below)

#if SPC5_ICU_USE_EMIOS0_CH8
/* Driver initialization.*/
icuObjectInit(&ICUD9);
ICUD9.emiosp = &EMIOS_0;
ICUD9.ch_number = 9U;
ICUD8.clock = SPC5_EMIOS0_CLK;
#endif /* SPC5_ICU_USE_EMIOS0_CH7 */

#if SPC5_ICU_USE_EMIOS0_CH0
if

(&ICUD1 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH0 */
#if SPC5_ICU_USE_EMIOS0_CH1
if

(&ICUD2 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH1 */
#if SPC5_ICU_USE_EMIOS0_CH2
if

(&ICUD3 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH2 */
#if SPC5_ICU_USE_EMIOS0_CH3
if

(&ICUD4 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH3 */
#if SPC5_ICU_USE_EMIOS0_CH4
if

(&ICUD5 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH4 */
#if SPC5_ICU_USE_EMIOS0_CH5
if

(&ICUD6 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH5 */
#if SPC5_ICU_USE_EMIOS0_CH6
if

(&ICUD7 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH6 */
#if SPC5_ICU_USE_EMIOS0_CH7
if

(&ICUD8 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH7 */
#if SPC5_ICU_USE_EMIOS0_CH24
if

(&ICUD9 == icup)
increase_emios0_active_channels();
#endif /* SPC5_ICU_USE_EMIOS0_CH24 */
#if SPC5_ICU_USE_EMIOS1_CH24
if

(&ICUD10 == icup)
increase_emios1_active_channels();
#endif /* SPC5_ICU_USE_EMIOS1_CH24 */

and add the matching handler for channel 8 and channel 9

/**
* @brief eMIOS0 Channels 6 and 7 interrupt handler.
* @note It is assumed that the various sources are only activated if the
* associated callback pointer is not equal to @p NULL in order to not
* perform an extra check in a potentially critical interrupt handler.
*
* @isr
*/
OSAL_IRQ_HANDLER(SPC5_EMIOS0_GFR_F6F7_HANDLER) {
OSAL_IRQ_PROLOGUE();
#if SPC5_ICU_USE_EMIOS0_CH6
icu_lld_serve_interrupt(&ICUD7);
#endif
#if SPC5_ICU_USE_EMIOS0_CH7
icu_lld_serve_interrupt(&ICUD8);
#endif
OSAL_IRQ_EPILOGUE();
}
#endif /* SPC5_ICU_USE_EMIOS0_CH6 || SPC5_ICU_USE_EMIOS0_CH7 */

Best regards Erwan

aurelien23 · ‎2015-09-07

Posted on September 07, 2015 at 17:34

Ok, but I will still have to modify mcuconf.h to declare:

#define SPC5_ICU_USE_EMIOS0_CH9 TRUE

and this files is overwritten at each code generation.