1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
|
/*
* Copyright (C) 2019 Intel Corporation. All rights reserved.
* SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
*/
#include "bh_platform.h"
#include "runtime_lib.h"
#include "native_interface.h"
#include "app_manager_export.h"
#include "board_config.h"
#include "bh_platform.h"
#include "runtime_sensor.h"
#include "bi-inc/attr_container.h"
#include "module_wasm_app.h"
#include "wasm_export.h"
#include "sensor_native_api.h"
#include "connection_native_api.h"
#include "display_indev.h"
#include <zephyr.h>
#include <drivers/uart.h>
#include <device.h>
extern bool
init_sensor_framework();
extern void
exit_sensor_framework();
extern int
aee_host_msg_callback(void *msg, uint32_t msg_len);
int uart_char_cnt = 0;
static void
uart_irq_callback(const struct device *dev, void *user_data)
{
unsigned char ch;
while (uart_poll_in(dev, &ch) == 0) {
uart_char_cnt++;
aee_host_msg_callback(&ch, 1);
}
(void)user_data;
}
const struct device *uart_dev = NULL;
static bool
host_init()
{
uart_dev = device_get_binding(HOST_DEVICE_COMM_UART_NAME);
if (!uart_dev) {
printf("UART: Device driver not found.\n");
return false;
}
uart_irq_rx_enable(uart_dev);
uart_irq_callback_set(uart_dev, uart_irq_callback);
return true;
}
int
host_send(void *ctx, const char *buf, int size)
{
if (!uart_dev)
return 0;
for (int i = 0; i < size; i++)
uart_poll_out(uart_dev, buf[i]);
return size;
}
void
host_destroy()
{}
/* clang-format off */
host_interface interface = {
.init = host_init,
.send = host_send,
.destroy = host_destroy
};
/* clang-format on */
timer_ctx_t timer_ctx;
static char global_heap_buf[350 * 1024] = { 0 };
static NativeSymbol native_symbols[] = {
EXPORT_WASM_API_WITH_SIG(display_input_read, "(*)i"),
EXPORT_WASM_API_WITH_SIG(display_flush, "(iiii*)"),
EXPORT_WASM_API_WITH_SIG(display_fill, "(iiii*)"),
EXPORT_WASM_API_WITH_SIG(display_vdb_write, "(*iii*i)"),
EXPORT_WASM_API_WITH_SIG(display_map, "(iiii*)"),
EXPORT_WASM_API_WITH_SIG(time_get_ms, "()i")
};
int
iwasm_main()
{
RuntimeInitArgs init_args;
host_init();
memset(&init_args, 0, sizeof(RuntimeInitArgs));
init_args.mem_alloc_type = Alloc_With_Pool;
init_args.mem_alloc_option.pool.heap_buf = global_heap_buf;
init_args.mem_alloc_option.pool.heap_size = sizeof(global_heap_buf);
init_args.native_module_name = "env";
init_args.n_native_symbols = sizeof(native_symbols) / sizeof(NativeSymbol);
init_args.native_symbols = native_symbols;
/* initialize runtime environment */
if (!wasm_runtime_full_init(&init_args)) {
printf("Init runtime environment failed.\n");
return -1;
}
display_init();
/* timer manager */
if (!init_wasm_timer()) {
goto fail;
}
app_manager_startup(&interface);
fail:
wasm_runtime_destroy();
return -1;
}
|
