moved all third-party lib to separate folder

thirdparty/libcsp/src/interfaces/csp_if_can_pbuf.c

@@ -0,0 +1,77 @@
+/*
+ * csp_if_can_pbuf.c
+ *
+ *  Created on: Feb 3, 2017
+ *      Author: johan
+ */
+
+#include <csp/arch/csp_time.h>
+#include "csp_if_can_pbuf.h"
+
+/* Number of packet buffer elements */
+#define PBUF_ELEMENTS		CSP_CONN_MAX
+
+/* Buffer element timeout in ms */
+#define PBUF_TIMEOUT_MS		1000
+
+static csp_can_pbuf_element_t csp_can_pbuf[PBUF_ELEMENTS] = {};
+
+int csp_can_pbuf_free(csp_can_pbuf_element_t *buf, CSP_BASE_TYPE *task_woken)
+{
+	/* Free CSP packet */
+	if (buf->packet != NULL) {
+		if (task_woken == NULL) {
+			csp_buffer_free(buf->packet);
+		} else {
+			csp_buffer_free_isr(buf->packet);
+		}
+	}
+
+	/* Mark buffer element free */
+	buf->packet = NULL;
+	buf->rx_count = 0;
+	buf->cfpid = 0;
+	buf->last_used = 0;
+	buf->remain = 0;
+	buf->state = BUF_FREE;
+
+	return CSP_ERR_NONE;
+}
+
+csp_can_pbuf_element_t *csp_can_pbuf_new(uint32_t id, CSP_BASE_TYPE *task_woken)
+{
+	uint32_t now = csp_get_ms();
+
+	for (int i = 0; i < PBUF_ELEMENTS; i++) {
+
+		/* Perform cleanup in used pbufs */
+		if (csp_can_pbuf[i].state == BUF_USED) {
+			if (now - csp_can_pbuf[i].last_used > PBUF_TIMEOUT_MS)
+				csp_can_pbuf_free(&csp_can_pbuf[i], task_woken);
+		}
+
+		if (csp_can_pbuf[i].state == BUF_FREE) {
+			csp_can_pbuf[i].state = BUF_USED;
+			csp_can_pbuf[i].cfpid = id;
+			csp_can_pbuf[i].remain = 0;
+			csp_can_pbuf[i].last_used = now;
+			return &csp_can_pbuf[i];
+		}
+
+	}
+
+	return NULL;
+
+}
+
+csp_can_pbuf_element_t *csp_can_pbuf_find(uint32_t id, uint32_t mask)
+{
+	for (int i = 0; i < PBUF_ELEMENTS; i++) {
+		if ((csp_can_pbuf[i].state == BUF_USED) && ((csp_can_pbuf[i].cfpid & mask) == (id & mask))) {
+			csp_can_pbuf[i].last_used = csp_get_ms();
+			return &csp_can_pbuf[i];
+		}
+	}
+	return NULL;
+}
+