diff options
Diffstat (limited to 'stm/usb.c')
| -rw-r--r-- | stm/usb.c | 29 |
1 files changed, 28 insertions, 1 deletions
@@ -80,7 +80,7 @@ void usb_vcp_send_strn(const char *str, int len) { } } -#include "lib/usbd_conf.h" +#include "usbd_conf.h" /* These are external variables imported from CDC core to be used for IN transfer management. */ @@ -105,3 +105,30 @@ void usb_vcp_send_strn_cooked(const char *str, int len) { void usb_hid_send_report(uint8_t *buf) { USBD_HID_SendReport(&USB_OTG_dev, buf, 4); } + +/******************************************************************************/ +// code for experimental USB OTG support + +#ifdef USE_HOST_MODE + +#include "lib-otg/usbh_core.h" +#include "lib-otg/usbh_usr.h" +#include "lib-otg/usbh_hid_core.h" + +__ALIGN_BEGIN USBH_HOST USB_Host __ALIGN_END ; + +static int host_is_enabled = 0; +void pyb_usbh_init(void) { + if (!host_is_enabled) { + // only init USBH once in the device's power-lifetime + /* Init Host Library */ + USBH_Init(&USB_OTG_dev, USB_OTG_FS_CORE_ID, &USB_Host, &HID_cb, &USR_Callbacks); + } + host_is_enabled = 1; +} + +void pyb_usbh_process(void) { + USBH_Process(&USB_OTG_dev, &USB_Host); +} + +#endif // USE_HOST_MODE |