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| author | Damien George <damien.p.george@gmail.com> | 2015-01-07 23:38:50 +0000 |
|---|---|---|
| committer | Damien George <damien.p.george@gmail.com> | 2015-01-07 23:38:50 +0000 |
| commit | 3b51b3e90f1d513031ad2c6b6a2a0d5d391f753d (patch) | |
| tree | 6903d1a13bdc49860c325e531e81582beb6063bf /stmhal/usb.c | |
| parent | 7a0636e80aea2ce1af03c890e024dabcdffcdf78 (diff) | |
stmhal: Collect all root pointers together in 1 place.
A GC in stmhal port now only scans true root pointers, not entire BSS.
This reduces base GC time from 1700ms to 900ms.
Diffstat (limited to 'stmhal/usb.c')
| -rw-r--r-- | stmhal/usb.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/stmhal/usb.c b/stmhal/usb.c index 50a5a7420..0bda0aaeb 100644 --- a/stmhal/usb.c +++ b/stmhal/usb.c @@ -45,12 +45,11 @@ USBD_HandleTypeDef hUSBDDevice; #endif STATIC int dev_is_enabled = 0; -STATIC mp_obj_t mp_const_vcp_interrupt = MP_OBJ_NULL; void pyb_usb_init0(void) { // create an exception object for interrupting by VCP - mp_const_vcp_interrupt = mp_obj_new_exception(&mp_type_KeyboardInterrupt); - USBD_CDC_SetInterrupt(-1, mp_const_vcp_interrupt); + MP_STATE_PORT(mp_const_vcp_interrupt) = mp_obj_new_exception(&mp_type_KeyboardInterrupt); + USBD_CDC_SetInterrupt(-1, MP_STATE_PORT(mp_const_vcp_interrupt)); } void pyb_usb_dev_init(usb_device_mode_t mode, usb_storage_medium_t medium) { @@ -102,9 +101,9 @@ bool usb_vcp_is_connected(void) { void usb_vcp_set_interrupt_char(int c) { if (dev_is_enabled) { if (c != -1) { - mp_obj_exception_clear_traceback(mp_const_vcp_interrupt); + mp_obj_exception_clear_traceback(MP_STATE_PORT(mp_const_vcp_interrupt)); } - USBD_CDC_SetInterrupt(c, mp_const_vcp_interrupt); + USBD_CDC_SetInterrupt(c, MP_STATE_PORT(mp_const_vcp_interrupt)); } } |