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USB core updated for reentrance based on Christian Cier-Zniewski's branch

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This commit is contained in:
Jason Kotzin
2012-08-16 18:50:38 -07:00
parent 4958fae906
commit 34beeae925
27 changed files with 1496 additions and 772 deletions
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32
examples/stm32/f4/stm32f4-discovery/usb_cdcacm/cdcacm.c
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@@ -22,6 +22,7 @@
#include <libopencm3/stm32/f4/gpio.h>
#include <libopencm3/usb/usbd.h>
#include <libopencm3/usb/cdc.h>
#include <libopencm3/stm32/f4/scb.h>
static const struct usb_device_descriptor dev = {
.bLength = USB_DT_DEVICE_SIZE,
@@ -164,11 +165,12 @@ static const char *usb_strings[] = {
"DEMO",
};
static int cdcacm_control_request(struct usb_setup_data *req, u8 **buf,
u16 *len, void (**complete)(struct usb_setup_data *req))
static int cdcacm_control_request(usbd_device *usbd_dev, struct usb_setup_data *req, u8 **buf,
u16 *len, void (**complete)(usbd_device *usbd_dev, struct usb_setup_data *req))
{
(void)complete;
(void)buf;
(void)usbd_dev;
switch (req->bRequest) {
case USB_CDC_REQ_SET_CONTROL_LINE_STATE: {
@@ -188,30 +190,31 @@ static int cdcacm_control_request(struct usb_setup_data *req, u8 **buf,
return 0;
}
static void cdcacm_data_rx_cb(u8 ep)
static void cdcacm_data_rx_cb(usbd_device *usbd_dev, u8 ep)
{
(void)ep;
char buf[64];
int len = usbd_ep_read_packet(0x01, buf, 64);
int len = usbd_ep_read_packet(usbd_dev, 0x01, buf, 64);
if (len) {
while (usbd_ep_write_packet(0x82, buf, len) == 0)
while (usbd_ep_write_packet(usbd_dev, 0x82, buf, len) == 0)
;
}
gpio_toggle(GPIOC, GPIO5);
}
static void cdcacm_set_config(u16 wValue)
static void cdcacm_set_config(usbd_device *usbd_dev, 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_ep_setup(usbd_dev, 0x01, USB_ENDPOINT_ATTR_BULK, 64, cdcacm_data_rx_cb);
usbd_ep_setup(usbd_dev, 0x82, USB_ENDPOINT_ATTR_BULK, 64, NULL);
usbd_ep_setup(usbd_dev, 0x83, USB_ENDPOINT_ATTR_INTERRUPT, 16, NULL);
usbd_register_control_callback(
usbd_dev,
USB_REQ_TYPE_CLASS | USB_REQ_TYPE_INTERFACE,
USB_REQ_TYPE_TYPE | USB_REQ_TYPE_RECIPIENT,
cdcacm_control_request);
@@ -219,19 +222,20 @@ static void cdcacm_set_config(u16 wValue)
int main(void)
{
usbd_device *usbd_dev;
rcc_clock_setup_hse_3v3(&hse_8mhz_3v3[CLOCK_3V3_120MHZ]);
rcc_peripheral_enable_clock(&RCC_AHB1ENR, RCC_AHB1ENR_IOPAEN);
rcc_peripheral_enable_clock(&RCC_AHB2ENR, RCC_AHB2ENR_OTGFSEN);
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
gpio_mode_setup(GPIOA, GPIO_MODE_AF, GPIO_PUPD_NONE,
GPIO9 | GPIO11 | GPIO12);
gpio_set_af(GPIOA, GPIO_AF10, GPIO9 | GPIO11 | GPIO12);
usbd_init(&otgfs_usb_driver, &dev, &config, usb_strings);
usbd_register_set_config_callback(cdcacm_set_config);
usbd_dev = usbd_init(&otgfs_usb_driver, &dev, &config, usb_strings);
usbd_register_set_config_callback(usbd_dev, cdcacm_set_config);
while (1)
usbd_poll();
usbd_poll(usbd_dev);
}