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Fix ST test failures due to endpoint reconfiguration 

Also always use the max endpoint size for SetTxFifo
since re-configuring fifos when endpoints are added or removed
causes tests to fail.
pull/9768/head
Russ Butler 2018-06-25 17:55:03 -05:00
parent 5fde071509
commit 6b0e9400b0
1 changed files with 56 additions and 23 deletions
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79
usb/device/targets/TARGET_STM/USBPhy_STM32.cpp
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@ -41,6 +41,19 @@
#define LOG_OUT_TO_EP(ep) ((ep) | 0x00)
#define IDX_TO_EP(ep) (((ep) >> 1)|((ep) & 1) << 7)
/* endpoint defines */
#define NUM_ENDPOINTS 4
#define MAX_PACKET_NON_ISO 64
#define MAX_PACKET_ISO (256 + 128) // Spec can go up to 1023, only ram for this though
#define ENDPOINT_NON_ISO (USB_EP_ATTR_ALLOW_BULK | USB_EP_ATTR_ALLOW_INT)
static const uint32_t tx_ep_sizes[NUM_ENDPOINTS] = {
MAX_PACKET_NON_ISO,
MAX_PACKET_NON_ISO,
MAX_PACKET_NON_ISO,
MAX_PACKET_ISO
};
uint32_t HAL_PCDEx_GetTxFiFo(PCD_HandleTypeDef *hpcd, uint8_t fifo)
{
uint32_t len;
@ -274,11 +287,28 @@ void USBPhyHw::init(USBPhyEvents *events)
hpcd.State = HAL_PCD_STATE_RESET;
HAL_PCD_Init(&hpcd);
uint32_t total_bytes = 0;
/* Reserve space in the RX buffer for:
* - 1 isochonous packet
* - 2 max sized non-isochonous packets
* - setup buffer - 10 words as specified by Reference Manual
* - global nak out - 1 words as specified by Reference Manual
*/
uint32_t fifo_size = (MAX_PACKET_ISO + 4) + (MAX_PACKET_NON_ISO + 4) * 2 + (10 * 4) + (1 * 4);
HAL_PCDEx_SetRxFiFo(&hpcd, (fifo_size / 4));
total_bytes += fifo_size;
/* Reserve Tx space up front */
for (int i = 0; i < NUM_ENDPOINTS; i++) {
fifo_size = tx_ep_sizes[i] + 4;
HAL_PCDEx_SetTxFiFo(&hpcd, i, fifo_size / 4);
total_bytes += fifo_size;
}
/* 1.25 kbytes */
/* min value 16 (= 16 x 4 bytes) */
/* max value 256 (= 1K bytes ) */
/* maximum sum is 0x140 */
HAL_PCDEx_SetRxFiFo(&hpcd, (MAXTRANSFER_SIZE / 4));
MBED_ASSERT(total_bytes <= 1280);
// Configure interrupt vector
NVIC_SetVector(USBHAL_IRQn, (uint32_t)&_usbisr);
@ -340,24 +370,24 @@ void USBPhyHw::remote_wakeup()
const usb_ep_table_t *USBPhyHw::endpoint_table()
{
static const usb_ep_table_t table = {
1280, // 1.25K for endpoint buffers
1280, // 1.25K for endpoint buffers but space is allocated up front
{
{USB_EP_ATTR_ALLOW_CTRL | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 80},
{USB_EP_ATTR_ALLOW_ALL | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{USB_EP_ATTR_ALLOW_ALL | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{USB_EP_ATTR_ALLOW_ALL | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{USB_EP_ATTR_ALLOW_ALL | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 1, 4}
{USB_EP_ATTR_ALLOW_CTRL | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{ENDPOINT_NON_ISO | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{ENDPOINT_NON_ISO | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{USB_EP_ATTR_ALLOW_ALL | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0},
{0 | USB_EP_ATTR_DIR_IN_AND_OUT, 0, 0}
}
};
return &table;
@ -409,9 +439,12 @@ void USBPhyHw::ep0_stall()
bool USBPhyHw::endpoint_add(usb_ep_t endpoint, uint32_t max_packet, usb_ep_type_t type)
{
uint32_t len;
if (max_packet > MAXTRANSFER_SIZE) return false;
/*
* Endpoints are configured in init since re-configuring
* fifos when endpoints are added or removed causes tests to fail.
*/
if (endpoint & 0x80) {
HAL_PCDEx_SetTxFiFo(&hpcd, endpoint & 0x7f, (max_packet / 4) + 1);
len = HAL_PCDEx_GetTxFiFo(&hpcd,endpoint & 0x7f);
MBED_ASSERT(len >= max_packet);
}