43 lines
1.4 KiB
C
43 lines
1.4 KiB
C
#ifndef _VCOM_SERIAL_
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#define _VCOM_SERIAL_
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#include <stdint.h>
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#include "cpu.h"
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#include "shmrb.h"
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#include "aboot-tiny.h"
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typedef enum {
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VCOM_DEV_MCU_TO_CR5 = 0, /* MCU AP <--> CR5 */
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VCOM_DEV_MCU_TO_SHUB = 1, /* MCU AP <--> SHUB */
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VCOM_DEV_MAX,
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} vcom_dev_num_t;
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/*---------------------------------------------------------------------------*/
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typedef struct {
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unsigned int_val; /* number of triggers sent to the opposite party */
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unsigned handle_int_val; /* number of triggers processed by the opposite party */
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unsigned ack_int_val; /* number of triggers sent by the opposite party*/
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unsigned handle_ack_int_val; /* number of triggers processed by your party */
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}trigger_t;
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/*---------------------------------------------------------------------------*/
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typedef struct {
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#ifdef VCOM_MASTER
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shmrb_t rx_buf;
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trigger_t rx_trigger;
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shmrb_t tx_buf;
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trigger_t tx_trigger;
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#else
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shmrb_t tx_buf;
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trigger_t tx_trigger;
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shmrb_t rx_buf;
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trigger_t rx_trigger;
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#endif
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} vcom_shmem_t;
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/*---------------------------------------------------------------------------*/
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void vcom_shmem_init(vcom_dev_num_t dev, uintptr_t start, uintptr_t end);
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int vcom_init(vcom_dev_num_t dev, aboot_tiny_uart_rx_callback_t rx_cb, void *arg);
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void vcom_exit(vcom_dev_num_t dev);
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int vcom_send(vcom_dev_num_t dev, const uint8_t *data, size_t size);
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/*---------------------------------------------------------------------------*/
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#endif
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