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Structure build system to build for multiple boards/apps/environments

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This commit is contained in:
Harald Welte
2017-02-27 20:31:09 +01:00
parent a1cd0f31c8
commit d8a003dfd7
33 changed files with 552 additions and 28 deletions
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126
firmware/libcommon/source/host_communication.c Normal file
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@@ -0,0 +1,126 @@
//#define TRACE_LEVEL 6
#include <errno.h>
#include "board.h"
#include "req_ctx.h"
#include "osmocom/core/linuxlist.h"
#include "llist_irqsafe.h"
static volatile uint32_t usbep_in_progress[BOARD_USB_NUMENDPOINTS];
/* call-back after (successful?) transfer of a buffer */
static void usb_write_cb(uint8_t *arg, uint8_t status, uint32_t transferred,
uint32_t remaining)
{
struct req_ctx *rctx = (struct req_ctx *) arg;
TRACE_DEBUG("%s (EP=%u)\r\n", __func__, rctx->ep);
__disable_irq();
usbep_in_progress[rctx->ep]--;
__enable_irq();
TRACE_DEBUG("%u: in_progress=%d\n", rctx->ep, usbep_in_progress[rctx->ep]);
if (status != USBD_STATUS_SUCCESS)
TRACE_ERROR("%s error, status=%d\n", __func__, status);
/* release request contxt to pool */
req_ctx_set_state(rctx, RCTX_S_FREE);
}
int usb_refill_to_host(struct llist_head *queue, uint32_t ep)
{
struct req_ctx *rctx;
int rc;
__disable_irq();
if (usbep_in_progress[ep]) {
__enable_irq();
return 0;
}
if (llist_empty(queue)) {
__enable_irq();
return 0;
}
usbep_in_progress[ep]++;
rctx = llist_entry(queue->next, struct req_ctx, list);
llist_del(&rctx->list);
__enable_irq();
TRACE_DEBUG("%u: in_progress=%d\n", ep, usbep_in_progress[ep]);
TRACE_DEBUG("%s (EP=%u)\r\n", __func__, ep);
req_ctx_set_state(rctx, RCTX_S_USB_TX_BUSY);
rctx->ep = ep;
rc = USBD_Write(ep, rctx->data, rctx->tot_len,
(TransferCallback) &usb_write_cb, rctx);
if (rc != USBD_STATUS_SUCCESS) {
TRACE_ERROR("%s error %x\n", __func__, rc);
req_ctx_set_state(rctx, RCTX_S_USB_TX_PENDING);
__disable_irq();
usbep_in_progress[ep]--;
__enable_irq();
TRACE_DEBUG("%u: in_progress=%d\n", ep, usbep_in_progress[ep]);
return 0;
}
return 1;
}
static void usb_read_cb(uint8_t *arg, uint8_t status, uint32_t transferred,
uint32_t remaining)
{
struct req_ctx *rctx = (struct req_ctx *) arg;
struct llist_head *queue = (struct llist_head *) usbep_in_progress[rctx->ep];
TRACE_DEBUG("%s (EP=%u, len=%u, q=%p)\r\n", __func__,
rctx->ep, transferred, queue);
usbep_in_progress[rctx->ep] = 0;
if (status != USBD_STATUS_SUCCESS) {
TRACE_ERROR("%s error, status=%d\n", __func__, status);
/* release request contxt to pool */
req_ctx_put(rctx);
return;
}
rctx->tot_len = transferred;
req_ctx_set_state(rctx, RCTX_S_MAIN_PROCESSING);
llist_add_tail_irqsafe(&rctx->list, queue);
}
int usb_refill_from_host(struct llist_head *queue, int ep)
{
struct req_ctx *rctx;
int rc;
if (usbep_in_progress[ep])
return 0;
TRACE_DEBUG("%s (EP=%u)\r\n", __func__, ep);
rctx = req_ctx_find_get(0, RCTX_S_FREE, RCTX_S_USB_RX_BUSY);
if (!rctx)
return -ENOMEM;
rctx->ep = ep;
usbep_in_progress[ep] = (uint32_t) queue;
rc = USBD_Read(ep, rctx->data, rctx->size,
(TransferCallback) &usb_read_cb, rctx);
if (rc != USBD_STATUS_SUCCESS) {
TRACE_ERROR("%s error %x\n", __func__, rc);
req_ctx_put(rctx);
usbep_in_progress[ep] = 0;
return 0;
}
return 1;
}