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authorStephen Caudle2011-10-31 00:16:37 -0400
committerStephen Caudle2011-10-31 00:16:37 -0400
commit580d25a84baaa160b0afdc096e9aa1e8ca1c2d2b (patch)
treed3df10cb7a99745eafabe15a0ec286dc9923b4e8 /examples/stm32f1/stm32-h103/usb_cdcacm/cdcacm.c
parent68d2e0d1e3c587e18eef6a6ef9c40b3549b2f9e7 (diff)
Move STM32 example projects in family specific folders
Diffstat (limited to 'examples/stm32f1/stm32-h103/usb_cdcacm/cdcacm.c')
-rw-r--r--examples/stm32f1/stm32-h103/usb_cdcacm/cdcacm.c246
1 files changed, 0 insertions, 246 deletions
diff --git a/examples/stm32f1/stm32-h103/usb_cdcacm/cdcacm.c b/examples/stm32f1/stm32-h103/usb_cdcacm/cdcacm.c
deleted file mode 100644
index f9e2527..0000000
--- a/examples/stm32f1/stm32-h103/usb_cdcacm/cdcacm.c
+++ /dev/null
@@ -1,246 +0,0 @@
-/*
- * This file is part of the libopencm3 project.
- *
- * Copyright (C) 2010 Gareth McMullin <gareth@blacksphere.co.nz>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <stdlib.h>
-#include <libopencm3/stm32/f1/rcc.h>
-#include <libopencm3/stm32/f1/gpio.h>
-#include <libopencm3/usb/usbd.h>
-#include <libopencm3/usb/cdc.h>
-
-static const struct usb_device_descriptor dev = {
- .bLength = USB_DT_DEVICE_SIZE,
- .bDescriptorType = USB_DT_DEVICE,
- .bcdUSB = 0x0200,
- .bDeviceClass = USB_CLASS_CDC,
- .bDeviceSubClass = 0,
- .bDeviceProtocol = 0,
- .bMaxPacketSize0 = 64,
- .idVendor = 0x0483,
- .idProduct = 0x5740,
- .bcdDevice = 0x0200,
- .iManufacturer = 1,
- .iProduct = 2,
- .iSerialNumber = 3,
- .bNumConfigurations = 1,
-};
-
-/* This notification endpoint isn't implemented. According to CDC spec its
- * optional, but its absence causes a NULL pointer dereference in Linux cdc_acm
- * driver. */
-static const struct usb_endpoint_descriptor comm_endp[] = {{
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x83,
- .bmAttributes = USB_ENDPOINT_ATTR_INTERRUPT,
- .wMaxPacketSize = 16,
- .bInterval = 255,
-}};
-
-static const struct usb_endpoint_descriptor data_endp[] = {{
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x01,
- .bmAttributes = USB_ENDPOINT_ATTR_BULK,
- .wMaxPacketSize = 64,
- .bInterval = 1,
-}, {
- .bLength = USB_DT_ENDPOINT_SIZE,
- .bDescriptorType = USB_DT_ENDPOINT,
- .bEndpointAddress = 0x82,
- .bmAttributes = USB_ENDPOINT_ATTR_BULK,
- .wMaxPacketSize = 64,
- .bInterval = 1,
-}};
-
-static const struct {
- struct usb_cdc_header_descriptor header;
- struct usb_cdc_call_management_descriptor call_mgmt;
- struct usb_cdc_acm_descriptor acm;
- struct usb_cdc_union_descriptor cdc_union;
-} __attribute__((packed)) cdcacm_functional_descriptors = {
- .header = {
- .bFunctionLength = sizeof(struct usb_cdc_header_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_HEADER,
- .bcdCDC = 0x0110,
- },
- .call_mgmt = {
- .bFunctionLength =
- sizeof(struct usb_cdc_call_management_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_CALL_MANAGEMENT,
- .bmCapabilities = 0,
- .bDataInterface = 1,
- },
- .acm = {
- .bFunctionLength = sizeof(struct usb_cdc_acm_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_ACM,
- .bmCapabilities = 0,
- },
- .cdc_union = {
- .bFunctionLength = sizeof(struct usb_cdc_union_descriptor),
- .bDescriptorType = CS_INTERFACE,
- .bDescriptorSubtype = USB_CDC_TYPE_UNION,
- .bControlInterface = 0,
- .bSubordinateInterface0 = 1,
- }
-};
-
-static const struct usb_interface_descriptor comm_iface[] = {{
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 0,
- .bAlternateSetting = 0,
- .bNumEndpoints = 1,
- .bInterfaceClass = USB_CLASS_CDC,
- .bInterfaceSubClass = USB_CDC_SUBCLASS_ACM,
- .bInterfaceProtocol = USB_CDC_PROTOCOL_AT,
- .iInterface = 0,
-
- .endpoint = comm_endp,
-
- .extra = &cdcacm_functional_descriptors,
- .extralen = sizeof(cdcacm_functional_descriptors)
-}};
-
-static const struct usb_interface_descriptor data_iface[] = {{
- .bLength = USB_DT_INTERFACE_SIZE,
- .bDescriptorType = USB_DT_INTERFACE,
- .bInterfaceNumber = 1,
- .bAlternateSetting = 0,
- .bNumEndpoints = 2,
- .bInterfaceClass = USB_CLASS_DATA,
- .bInterfaceSubClass = 0,
- .bInterfaceProtocol = 0,
- .iInterface = 0,
-
- .endpoint = data_endp,
-}};
-
-static const struct usb_interface ifaces[] = {{
- .num_altsetting = 1,
- .altsetting = comm_iface,
-}, {
- .num_altsetting = 1,
- .altsetting = data_iface,
-}};
-
-static const struct usb_config_descriptor config = {
- .bLength = USB_DT_CONFIGURATION_SIZE,
- .bDescriptorType = USB_DT_CONFIGURATION,
- .wTotalLength = 0,
- .bNumInterfaces = 2,
- .bConfigurationValue = 1,
- .iConfiguration = 0,
- .bmAttributes = 0x80,
- .bMaxPower = 0x32,
-
- .interface = ifaces,
-};
-
-static const char *usb_strings[] = {
- "x",
- "Black Sphere Technologies",
- "CDC-ACM Demo",
- "DEMO"
-};
-
-static int cdcacm_control_request(struct usb_setup_data *req, u8 **buf,
- u16 *len, void (**complete)(struct usb_setup_data *req))
-{
- (void)complete;
- (void)buf;
-
- switch(req->bRequest) {
- case USB_CDC_REQ_SET_CONTROL_LINE_STATE: {
- /* This Linux cdc_acm driver requires this to be implemented
- * even though it's optional in the CDC spec, and we don't
- * advertise it in the ACM functional descriptor. */
- char buf[10];
- struct usb_cdc_notification *notif = (void*)buf;
-
- /* We echo signals back to host as notification */
- notif->bmRequestType = 0xA1;
- notif->bNotification = USB_CDC_NOTIFY_SERIAL_STATE;
- notif->wValue = 0;
- notif->wIndex = 0;
- notif->wLength = 2;
- buf[8] = req->wValue & 3;
- buf[9] = 0;
- //usbd_ep_write_packet(0x83, buf, 10);
- return 1;
- }
- case USB_CDC_REQ_SET_LINE_CODING:
- if(*len < sizeof(struct usb_cdc_line_coding))
- return 0;
-
- return 1;
- }
- return 0;
-}
-
-static void cdcacm_data_rx_cb(u8 ep)
-{
- (void)ep;
-
- char buf[64];
- int len = usbd_ep_read_packet(0x01, buf, 64);
- if(len) {
- usbd_ep_write_packet(0x82, buf, len);
- buf[len] = 0;
- }
-}
-
-static void cdcacm_set_config(u16 wValue)
-{
- (void)wValue;
-
- usbd_ep_setup(0x01, USB_ENDPOINT_ATTR_BULK, 64, cdcacm_data_rx_cb);
- usbd_ep_setup(0x82, USB_ENDPOINT_ATTR_BULK, 64, NULL);
- usbd_ep_setup(0x83, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
-
- usbd_register_control_callback(
- USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
- USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
- cdcacm_control_request);
-}
-
-int main(void)
-{
- int i;
-
- rcc_clock_setup_in_hsi_out_48mhz();
-
- rcc_peripheral_enable_clock(&RCC_APB2ENR, RCC_APB2ENR_IOPCEN);
-
- gpio_set(GPIOC, GPIO11);
- gpio_set_mode(GPIOC, GPIO_MODE_OUTPUT_2_MHZ,
- GPIO_CNF_OUTPUT_PUSHPULL, GPIO11);
-
- usbd_init(&stm32f103_usb_driver, &dev, &config, usb_strings);
- usbd_register_set_config_callback(cdcacm_set_config);
-
- for (i = 0; i < 0x800000; i++)
- __asm__("nop");
- gpio_clear(GPIOC, GPIO11);
-
- while (1)
- usbd_poll();
-}