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rp2: Debug code for mp_machine_lightsleep.

Add some debug code that can be enabled to determine why lightsleep isreturning early.Signed-off-by: Peter Harper <peter.harper@raspberrypi.com>

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ports/rp2
- modmachine.c

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`‎ports/rp2/modmachine.c`

Lines changed: 33 additions & 0 deletions

Original file line number	Diff line number	Diff line change
`@@ -124,6 +124,9 @@ static void mp_machine_idle(void) {`
`124`	`124`	`staticvoidalarm_sleep_callback(uintalarm_id) {`
`125`	`125`	`}`
`126`	`126`
	`127`	`+// Set this to 1 to enable some debug of the interrupt that woke the device`
	`128`	`+#defineDEBUG_LIGHTSLEEP 0`
	`129`	`+`
`127`	`130`	`staticvoidmp_machine_lightsleep(size_tn_args,constmp_obj_t*args) {`
`128`	`131`	`mp_int_tdelay_ms=0;`
`129`	`132`	`booluse_timer_alarm= false;`
`@@ -193,6 +196,14 @@ static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args) {`
`193`	`196`	`// Disable ROSC.`
`194`	`197`	`rosc_hw->ctrl=ROSC_CTRL_ENABLE_VALUE_DISABLE <<ROSC_CTRL_ENABLE_LSB;`
`195`	`198`
	`199`	`+#ifDEBUG_LIGHTSLEEP`
	`200`	`+#ifPICO_RP2040`
	`201`	`+uint32_tpending_intr=0;`
	`202`	`+#else`
	`203`	`+uint32_tpending_intr[2]= {0 };`
	`204`	`+#endif`
	`205`	`+#endif`
	`206`	`+`
`196`	`207`	`boolalarm_armed= false;`
`197`	`208`	`if (n_args==0) {`
`198`	`209`	`#ifMICROPY_PY_NETWORK_CYW43`
`@@ -248,6 +259,15 @@ static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args) {`
`248`	`259`	`// Go into low-power mode.`
`249`	`260`	`if (alarm_armed) {`
`250`	`261`	`__wfi();`
	`262`	`+`
	`263`	`+#ifDEBUG_LIGHTSLEEP`
	`264`	`+#ifPICO_RP2040`
	`265`	`+pending_intr=nvic_hw->ispr;`
	`266`	`+#else`
	`267`	`+pending_intr[0]=nvic_hw->ispr[0];`
	`268`	`+pending_intr[1]=nvic_hw->ispr[1];`
	`269`	`+#endif`
	`270`	`+#endif`
`251`	`271`	`}`
`252`	`272`	`clocks_hw->sleep_en0=save_sleep_en0;`
`253`	`273`	`clocks_hw->sleep_en1=save_sleep_en1;`
`@@ -270,6 +290,19 @@ static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args) {`
`270`	`290`	`}`
`271`	`291`	`hardware_alarm_set_callback(MICROPY_HW_LIGHTSLEEP_ALARM_NUM,NULL);`
`272`	`292`	`hardware_alarm_unclaim(MICROPY_HW_LIGHTSLEEP_ALARM_NUM);`
	`293`	`+`
	`294`	`+#ifDEBUG_LIGHTSLEEP`
	`295`	`+// Check irq.h for the list of IRQ's`
	`296`	`+// for rp2040 00000042: TIMER_IRQ_1 woke the device as expected`
	`297`	`+// 00000020: USBCTRL_IRQ woke the device (probably early)`
	`298`	`+// For rp2350 00000000:00000002: TIMER0_IRQ_1 woke the device as expected`
	`299`	`+// 00000000:00004000: USBCTRL_IRQ woke the device (probably early)`
	`300`	`+#ifPICO_RP2040`
	`301`	`+mp_printf(MP_PYTHON_PRINTER,"lightsleep: pending_intr=%08lx\n",pending_intr);`
	`302`	`+#else`
	`303`	`+mp_printf(MP_PYTHON_PRINTER,"lightsleep: pending_intr=%08lx:%08lx\n",pending_intr[1],pending_intr[0]);`
	`304`	`+#endif`
	`305`	`+#endif`
`273`	`306`	`}`
`274`	`307`	`}`
`275`	`308`

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Commit0c04c10

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`‎ports/rp2/modmachine.c`

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