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Simplified USB endpoints configuration. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2734 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2011-02-12 19:52:43 +00:00
parent 95d128420a
commit eb3355b558
4 changed files with 22 additions and 42 deletions
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20
os/hal/include/usb.h
View File

@ -81,6 +81,14 @@
*/
#define USB_ENDPOINT_BUSY ((size_t)0xFFFFFFFF)
#define USB_EP_MODE_TYPE 0x0003 /**< Endpoint type mask. */
#define USB_EP_MODE_TYPE_CTRL 0x0000 /**< Control endpoint. */
#define USB_EP_MODE_TYPE_ISOC 0x0001 /**< Isochronous endpoint. */
#define USB_EP_MODE_TYPE_BULK 0x0002 /**< Bulk endpoint. */
#define USB_EP_MODE_TYPE_INTR 0x0003 /**< Interrupt endpoint. */
#define USB_EP_MODE_TRANSACTION 0x0000 /**< Transaction mode. */
#define USB_EP_MODE_PACKET 0x0010 /**< Packet mode enabled. */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
@ -114,21 +122,11 @@ typedef enum {
USB_ACTIVE = 4, /**< Active, configuration selected.*/
} usbstate_t;
/**
* @brief Type of an endpoint type.
*/
typedef enum {
EP_TYPE_CTRL = 0, /**< Control endpoint. */
EP_TYPE_ISOC = 1, /**< Isochronous endpoint. */
EP_TYPE_BULK = 2, /**< Bulk endpoint. */
EP_TYPE_INTR = 3 /**< Interrupt endpoint. */
} usbeptype_t;
/**
* @brief Type of an endpoint status.
*/
typedef enum {
EP_STATUS_DISABLED = 0, /**< Endpoint not opened. */
EP_STATUS_DISABLED = 0, /**< Endpoint not active. */
EP_STATUS_STALLED = 1, /**< Endpoint opened but stalled. */
EP_STATUS_ACTIVE = 2 /**< Active endpoint. */
} usbepstatus_t;

17
os/hal/platforms/STM32/usb_lld.c
View File

@ -58,12 +58,11 @@ static USBEndpointState ep0state;
* @brief EP0 initialization structure.
*/
static const USBEndpointConfig ep0config = {
EP_TYPE_CTRL,
USB_EP_MODE_TYPE_CTRL | USB_EP_MODE_TRANSACTION,
_usb_ep0in,
_usb_ep0out,
0x40,
0x40,
0,
0x40,
0x80
};
@ -179,7 +178,7 @@ CH_IRQ_HANDLER(USB_LP_IRQHandler) {
if (epr & EPR_CTR_TX) {
/* IN endpoint, transmission.*/
EPR_CLEAR_CTR_TX(ep);
if (epcp->flags & USB_EP_FLAGS_IN_PACKET_MODE) {
if (epcp->ep_mode & USB_EP_MODE_PACKET) {
/* Packet mode, just invokes the callback.*/
(usbp)->transmitting &= ~((uint16_t)(1 << ep));
epcp->in_cb(usbp, ep);
@ -208,7 +207,7 @@ CH_IRQ_HANDLER(USB_LP_IRQHandler) {
if (epr & EPR_CTR_RX) {
EPR_CLEAR_CTR_RX(ep);
/* OUT endpoint, receive.*/
if (epcp->flags & USB_EP_FLAGS_OUT_PACKET_MODE) {
if (epcp->ep_mode & USB_EP_MODE_PACKET) {
/* Packet mode, just invokes the callback.*/
(usbp)->receiving &= ~((uint16_t)(1 << ep));
epcp->out_cb(usbp, ep);
@ -376,14 +375,14 @@ void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep) {
const USBEndpointConfig *epcp = usbp->ep[ep]->config;
/* Setting the endpoint type.*/
switch (epcp->ep_type) {
case EP_TYPE_ISOC:
switch (epcp->ep_mode & USB_EP_MODE_TYPE) {
case USB_EP_MODE_TYPE_ISOC:
epr = EPR_EP_TYPE_ISO;
break;
case EP_TYPE_BULK:
case USB_EP_MODE_TYPE_BULK:
epr = EPR_EP_TYPE_BULK;
break;
case EP_TYPE_INTR:
case USB_EP_MODE_TYPE_INTR:
epr = EPR_EP_TYPE_INTERRUPT;
break;
default:
@ -397,7 +396,7 @@ void usb_lld_init_endpoint(USBDriver *usbp, usbep_t ep) {
/* OUT endpoint settings. If the endpoint is in packet mode then it must
start ready to accept data else it must start in NAK mode.*/
if (epcp->out_cb) {
if (epcp->flags & USB_EP_FLAGS_OUT_PACKET_MODE) {
if (epcp->ep_mode & USB_EP_MODE_PACKET) {
usbp->receiving |= ((uint16_t)(1 << ep));
epr |= EPR_STAT_RX_VALID;
}

18
os/hal/platforms/STM32/usb_lld.h
View File

@ -46,16 +46,6 @@
*/
#define USB_SET_ADDRESS_MODE USB_LATE_SET_ADDRESS
/**
* @brief Enables the packet mode for an IN endpoint.
*/
#define USB_EP_FLAGS_IN_PACKET_MODE 1
/**
* @brief Enables the packet mode for an OUT endpoint.
*/
#define USB_EP_FLAGS_OUT_PACKET_MODE 2
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
@ -109,9 +99,9 @@
*/
typedef struct {
/**
* @brief Type of the endpoint.
* @brief Type and mode of the endpoint.
*/
usbeptype_t ep_type;
uint32_t ep_mode;
/**
* @brief IN endpoint notification callback.
* @details This field must be set to @p NULL if the IN endpoint is not
@ -137,10 +127,6 @@ typedef struct {
*/
uint16_t out_maxsize;
/* End of the mandatory fields.*/
/**
* @bief Endpoint mode flags.
*/
uint16_t flags;
/**
* @brief Endpoint IN buffer address as offset in the PMA.
*/

9
testhal/STM32/USB_CDC/main.c
View File

@ -251,12 +251,11 @@ USBEndpointState ep3state;
* @brief EP1 initialization structure (IN only).
*/
static const USBEndpointConfig ep1config = {
EP_TYPE_BULK,
USB_EP_MODE_TYPE_BULK | USB_EP_MODE_PACKET,
sduDataTransmitted,
NULL,
0x0040,
0x0000,
USB_EP_FLAGS_IN_PACKET_MODE,
0x00C0,
0x0000
};
@ -265,12 +264,11 @@ static const USBEndpointConfig ep1config = {
* @brief EP2 initialization structure (IN only).
*/
static const USBEndpointConfig ep2config = {
EP_TYPE_INTR,
USB_EP_MODE_TYPE_INTR | USB_EP_MODE_PACKET,
sduInterruptTransmitted,
NULL,
0x0010,
0x0000,
0,
0x0100,
0x0000
};
@ -279,12 +277,11 @@ static const USBEndpointConfig ep2config = {
* @brief EP3 initialization structure (OUT only).
*/
static const USBEndpointConfig ep3config = {
EP_TYPE_BULK,
USB_EP_MODE_TYPE_BULK | USB_EP_MODE_PACKET,
NULL,
sduDataReceived,
0x0000,
0x0040,
USB_EP_FLAGS_OUT_PACKET_MODE,
0x0000,
0x0110
};