diff options
| -rw-r--r-- | ports/rp2/modmachine.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/ports/rp2/modmachine.c b/ports/rp2/modmachine.c index 3229aed27..954ea2164 100644 --- a/ports/rp2/modmachine.c +++ b/ports/rp2/modmachine.c @@ -196,6 +196,8 @@ static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args) { #endif xosc_dormant(); } else { + uint32_t save_sleep_en0 = clocks_hw->sleep_en0; + uint32_t save_sleep_en1 = clocks_hw->sleep_en1; bool timer3_enabled = irq_is_enabled(3); const uint32_t alarm_num = 3; @@ -251,8 +253,8 @@ static void mp_machine_lightsleep(size_t n_args, const mp_obj_t *args) { if (!timer3_enabled) { irq_set_enabled(irq_num, false); } - clocks_hw->sleep_en0 |= ~(0u); - clocks_hw->sleep_en1 |= ~(0u); + clocks_hw->sleep_en0 = save_sleep_en0; + clocks_hw->sleep_en1 = save_sleep_en1; } // Enable ROSC. |