diff options
Diffstat (limited to 'src/device/usbd_control.c')
| -rw-r--r-- | src/device/usbd_control.c | 15 |
1 files changed, 14 insertions, 1 deletions
diff --git a/src/device/usbd_control.c b/src/device/usbd_control.c index 724c652e6..76f999f86 100644 --- a/src/device/usbd_control.c +++ b/src/device/usbd_control.c @@ -36,6 +36,10 @@ extern void usbd_driver_print_control_complete_name(usbd_control_xfer_cb_t callback); #endif +#if defined(TU_HAS_NO_ATTR_WEAK) +static void (*const MAKE_WEAK_FUNC(dcd_edpt0_status_complete))(uint8_t, tusb_control_request_t const *) = DCD_EDPT0_STATUS_COMPLETE; +#endif + enum { EDPT_CTRL_OUT = 0x00, @@ -55,8 +59,17 @@ typedef struct static usbd_control_xfer_t _ctrl_xfer; +#if defined(TU_HAS_NO_ATTR_ALIGNED) +// Helper union to overcome the lack of the alignment attribute/pragma +static union { + uint16_t : (sizeof(uint16_t) * 8); // Alignment of at least the size of the used type + uint8_t _usbd_ctrl_buf[CFG_TUD_ENDPOINT0_SIZE]; +} Align_usbd_ctrl_buf_; +static uint8_t *_usbd_ctrl_buf = (uint8_t*)&Align_usbd_ctrl_buf_; +#else CFG_TUSB_MEM_SECTION CFG_TUSB_MEM_ALIGN static uint8_t _usbd_ctrl_buf[CFG_TUD_ENDPOINT0_SIZE]; +#endif //--------------------------------------------------------------------+ // Application API @@ -171,7 +184,7 @@ bool usbd_control_xfer_cb (uint8_t rhport, uint8_t ep_addr, xfer_result_t result TU_ASSERT(0 == xferred_bytes); // invoke optional dcd hook if available - if (dcd_edpt0_status_complete) dcd_edpt0_status_complete(rhport, &_ctrl_xfer.request); + if (MAKE_WEAK_FUNC(dcd_edpt0_status_complete)) MAKE_WEAK_FUNC(dcd_edpt0_status_complete)(rhport, &_ctrl_xfer.request); if (_ctrl_xfer.complete_cb) { |