diff options
Diffstat (limited to 'emb/pastilda/hw/usb_device/usbd_composite.cpp')
| -rw-r--r-- | emb/pastilda/hw/usb_device/usbd_composite.cpp | 136 |
1 files changed, 136 insertions, 0 deletions
diff --git a/emb/pastilda/hw/usb_device/usbd_composite.cpp b/emb/pastilda/hw/usb_device/usbd_composite.cpp new file mode 100644 index 0000000..2c2311a --- /dev/null +++ b/emb/pastilda/hw/usb_device/usbd_composite.cpp @@ -0,0 +1,136 @@ +#include "usbd_composite.h" + +using namespace GPIO_CPP_Extension; + +USB_composite *usb_pointer; +USB_composite::USB_composite() +{ + usb_pointer = this; + descriptors = new UsbCompositeDescriptors(); + + GPIO_ext uf_p(PA11); + GPIO_ext uf_m(PA12); + + uf_p.mode_setup(Mode::ALTERNATE_FUNCTION, PullMode::NO_PULL); + uf_m.mode_setup(Mode::ALTERNATE_FUNCTION, PullMode::NO_PULL); + + uf_p.set_af(AF_Number::AF10); + uf_m.set_af(AF_Number::AF10); + + my_usb_device = usbd_init(&otgfs_usb_driver, &(descriptors->dev), + &(descriptors->config_descr), (const char**)descriptors->usb_strings, 3, + usbd_control_buffer, sizeof(usbd_control_buffer)); + + usbd_register_set_config_callback(my_usb_device, USB_set_config_callback); + nvic_enable_irq(NVIC_OTG_FS_IRQ); + + ramdisk_init(); + + usb_msc_init(my_usb_device, Endpoint::E_MASS_STORAGE_IN, 64, Endpoint::E_MASS_STORAGE_OUT, 64, + "ThirdPin", "Pastilda", "0.00", ramdisk_blocks(), ramdisk_read, ramdisk_write); +} + +void USB_composite::usb_send_packet(const void *buf, int len) +{ + while(usbd_ep_write_packet(my_usb_device, 0x81, buf, len) == 0); +} + +void USB_OTG_IRQ() +{ + usbd_poll(usb_pointer->my_usb_device); + usb_pointer->last_usb_request_time = get_counter_ms(); +} + +int USB_composite::hid_control_request(usbd_device *usbd_dev, struct usb_setup_data *req, uint8_t **buf, uint16_t *len, + void (**complete)(usbd_device *usbd_dev, struct usb_setup_data *req)) +{ + (void)complete; + (void)usbd_dev; + + if ((req->bmRequestType & USB_REQ_TYPE_DIRECTION) == USB_REQ_TYPE_IN) + { + if ((req->bmRequestType & USB_REQ_TYPE_TYPE) == USB_REQ_TYPE_STANDARD) + { + if (req->bRequest == USB_REQ_GET_DESCRIPTOR) + { + if (req->wValue == 0x2200) + { + *buf = (uint8_t *)descriptors->keyboard_report_descriptor; + *len = sizeof(descriptors->keyboard_report_descriptor); + return (USBD_REQ_HANDLED); + } + else if (req->wValue == 0x2100) + { + *buf = (uint8_t *)&descriptors->keyboard_hid_function; + *len = sizeof(descriptors->keyboard_hid_function); + return (USBD_REQ_HANDLED); + } + return (USBD_REQ_NOTSUPP); + } + } + else if ((req->bmRequestType & USB_REQ_TYPE_TYPE) == USB_REQ_TYPE_CLASS) + { + if (req->bRequest == HidRequest::GET_REPORT) + { + *buf = (uint8_t*)&boot_key_report; + *len = sizeof(boot_key_report); + return (USBD_REQ_HANDLED); + } + else if (req->bRequest == HidRequest::GET_IDLE) + { + *buf = &keyboard_idle; + *len = sizeof(keyboard_idle); + return (USBD_REQ_HANDLED); + } + else if (req->bRequest == HidRequest::GET_PROTOCOL) + { + *buf = &keyboard_protocol; + *len = sizeof(keyboard_protocol); + return (USBD_REQ_HANDLED); + } + return (USBD_REQ_NOTSUPP); + } + } + + else + { + if ((req->bmRequestType & USB_REQ_TYPE_TYPE) == USB_REQ_TYPE_CLASS) + { + if (req->bRequest == HidRequest::SET_REPORT) + { + if (*len == 1) + { + keyboard_leds = (*buf)[0]; + } + return (USBD_REQ_HANDLED); + } + else if (req->bRequest == HidRequest::SET_IDLE) + { + keyboard_idle = req->wValue >> 8; + return (USBD_REQ_HANDLED); + } + else if (req->bRequest == HidRequest::SET_PROTOCOL) + { + keyboard_protocol = req->wValue; + return (USBD_REQ_HANDLED); + } + } + return (USBD_REQ_NOTSUPP); + } + + return (USBD_REQ_NEXT_CALLBACK); +} + +int USB_control_callback(usbd_device *usbd_dev, + struct usb_setup_data *req, uint8_t **buf, uint16_t *len, + usbd_control_complete_callback *complete) +{ + return( usb_pointer->hid_control_request(usbd_dev, req, buf, len, complete)); +} + + +void USB_set_config_callback(usbd_device *usbd_dev, + uint16_t wValue) +{ + usb_pointer->hid_set_config(usbd_dev, wValue) ; +} |