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remove broken and fairly pointless deep sleep API (#198)

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* remove broken and fairly pointless deep sleep API, use multicore_reset_core1 instead

* strict-prototype for multicore_fifo_drain() in host header

* Also for multicore_lockout_victim_init()

Co-authored-by: Luke Wren <wren6991@gmail.com>
This commit is contained in:
Graham Sanderson
2021-03-01 08:10:45 -06:00
committed by graham sanderson
parent f239bd3de5
commit 4904fe2e32
3 changed files with 9 additions and 25 deletions
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6
src/rp2_common/pico_multicore/include/pico/multicore.h
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@ -55,12 +55,6 @@ void multicore_launch_core1(void (*entry)(void));
*/
void multicore_launch_core1_with_stack(void (*entry)(void), uint32_t *stack_bottom, size_t stack_size_bytes);
/*! \brief Send core 1 to sleep.
* \ingroup pico_multicore
*
*/
void multicore_sleep_core1(void);
/*! \brief Launch code on core 1 with no stack protection
* \ingroup pico_multicore
*

9
src/rp2_common/pico_multicore/multicore.c
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@ -107,15 +107,6 @@ void multicore_reset_core1() {
*power_off_clr = PSM_FRCE_OFF_PROC1_BITS;
}
void multicore_sleep_core1() {
multicore_reset_core1();
// note we give core1 an invalid stack pointer, as it should not be used
// note also if we ge simply passed a function that returned immediately, we'd end up in core1_hang anyway
// however that would waste 2 bytes for that function (the horror!)
extern void core1_hang(void); // in crt0.S
multicore_launch_core1_raw(core1_hang, (uint32_t *) -1, scb_hw->vtor);
}
void multicore_launch_core1_with_stack(void (*entry)(void), uint32_t *stack_bottom, size_t stack_size_bytes) {
assert(!(stack_size_bytes & 3u));
uint32_t *stack_ptr = stack_bottom + stack_size_bytes / sizeof(uint32_t);