Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
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+#ifndef _VCOM_SERIAL_
+#define _VCOM_SERIAL_
+
+#include <stdint.h>
+#include "cpu.h"
+#include "shmrb.h"
+#include "aboot-tiny.h"
+
+typedef enum {
+  VCOM_DEV_MCU_TO_CR5 = 0,  /* MCU AP <--> CR5 */
+  VCOM_DEV_MCU_TO_SHUB = 1, /* MCU AP <--> SHUB */
+  VCOM_DEV_MAX,
+} vcom_dev_num_t;
+/*---------------------------------------------------------------------------*/
+typedef struct {
+  unsigned int_val;              /* number of triggers sent to the opposite party */
+  unsigned handle_int_val;       /* number of triggers processed by the opposite party */
+  unsigned ack_int_val;          /* number of triggers sent by the opposite party*/
+  unsigned handle_ack_int_val;   /* number of triggers processed by your party */
+}trigger_t;
+/*---------------------------------------------------------------------------*/
+typedef struct {
+#ifdef VCOM_MASTER
+  shmrb_t rx_buf;
+  trigger_t rx_trigger;
+  shmrb_t tx_buf;
+  trigger_t tx_trigger;
+#else
+  shmrb_t tx_buf;
+  trigger_t tx_trigger;
+  shmrb_t rx_buf;
+  trigger_t rx_trigger;
+#endif
+} vcom_shmem_t;
+/*---------------------------------------------------------------------------*/
+void vcom_shmem_init(vcom_dev_num_t dev, uintptr_t start, uintptr_t end);
+int vcom_init(vcom_dev_num_t dev, aboot_tiny_uart_rx_callback_t rx_cb, void *arg);
+void vcom_exit(vcom_dev_num_t dev);
+int vcom_send(vcom_dev_num_t dev, const uint8_t *data, size_t size);
+/*---------------------------------------------------------------------------*/
+
+#endif