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
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
|
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <eos/eos.h>
#include <eos/event.h>
#include <eos/timer.h>
#include <eos/uart.h>
#include <eos/i2s.h>
#include <eos/spi.h>
#include <eos/net.h>
#include <eos/cell.h>
#include <eos/eve/eve.h>
#include <eos/eve/eve_kbd.h>
#include <eos/eve/eve_text.h>
#define ABUF_SIZE 512
#define MIC_WM 128
static uint8_t mic_arr[ABUF_SIZE];
static uint8_t spk_arr[ABUF_SIZE];
static int audio_on = 0;
static EVEText box;
static EVEKbd kbd;
static void key_down(void *p, int c) {
int i = 2;
unsigned char *buf = eos_net_alloc();
buf[0] = EOS_CELL_MTYPE_UART_DATA;
if (c == '\n') {
buf[1] = '\r';
buf[2] = '\n';
i++;
} else {
buf[1] = c;
}
eos_net_send(EOS_NET_MTYPE_CELL, buf, i, 0);
}
static void handle_touch(void *p, uint8_t tag0, int touch_idx) {
eve_kbd_touch(&kbd, tag0, touch_idx);
eve_text_touch(&box, tag0, touch_idx);
eve_cmd_dl(CMD_DLSTART);
eve_cmd_dl(CLEAR_COLOR_RGB(0,0,0));
eve_cmd_dl(CLEAR(1,1,1));
eve_text_draw(&box);
eve_kbd_draw(&kbd);
eve_cmd_dl(DISPLAY());
eve_cmd_dl(CMD_SWAP);
eve_cmd_exec(1);
}
static void handle_mic(unsigned char type) {
uint16_t size;
unsigned char *buf = eos_net_alloc();
buf[0] = EOS_CELL_MTYPE_PCM_DATA;
size = eos_i2s_mic_read(buf+1, MIC_WM);
eos_net_send(EOS_NET_MTYPE_CELL, buf, size+1, 0);
}
static void handle_uart(unsigned char type) {
int i = 0;
int c = 0;
unsigned char *buf = NULL;
c = eos_uart_getc(0);
if (c == EOS_ERR_EMPTY) return;
buf = eos_net_alloc();
buf[0] = EOS_CELL_MTYPE_UART_DATA;
buf[1] = c;
i = 2;
while ((c = eos_uart_getc(0)) != EOS_ERR_EMPTY) {
buf[i] = c;
i++;
if (i == EOS_NET_SIZE_BUF) break;
}
eos_net_send(EOS_NET_MTYPE_CELL, buf, i, 0);
eos_uart_rxwm_set(0);
}
static void handle_cell_msg(unsigned char _type, unsigned char *buffer, uint16_t len) {
int i;
unsigned char type = buffer[0];
switch (type) {
case EOS_CELL_MTYPE_READY:
buffer[0] = EOS_CELL_MTYPE_UART_TAKE;
eos_net_send(EOS_NET_MTYPE_CELL, buffer, 1, 0);
eos_uart_rxwm_set(0);
printf("\nREADY.\n");
eos_spi_dev_start(EOS_DEV_DISP);
eve_text_puts(&box, "READY.\n");
eos_spi_dev_stop();
break;
case EOS_CELL_MTYPE_UART_DATA:
eos_spi_dev_start(EOS_DEV_DISP);
for (i=1; i<len; i++) {
if (buffer[i] != '\r') eve_text_putc(&box, buffer[i]);
}
eos_net_free(buffer, 0);
if (box.dirty) handle_touch(NULL, 0, -1);
eos_spi_dev_stop();
break;
case EOS_CELL_MTYPE_PCM_DATA:
eos_i2s_spk_write(buffer+1, len-1);
eos_net_free(buffer, 0);
break;
default:
eos_net_free(buffer, 0);
break;
}
}
static void audio_toggle(unsigned char *buf) {
if (audio_on) {
audio_on = 0;
buf[0] = EOS_CELL_MTYPE_PCM_STOP;
eos_net_send(EOS_NET_MTYPE_CELL, buf, 1, 0);
eos_i2s_stop();
} else {
audio_on = 1;
buf[0] = EOS_CELL_MTYPE_PCM_START;
eos_net_send(EOS_NET_MTYPE_CELL, buf, 1, 0);
eos_i2s_start(8000, EOS_I2S_FMT_PCM16);
}
}
int main() {
EVERect g = {0, 60, 480, 512};
uint32_t mem_next = EVE_RAM_G;
eos_init();
eos_spi_dev_start(EOS_DEV_DISP);
eve_text_init(&box, &g, 30, 16, 0x80, 200, mem_next, &mem_next);
eve_kbd_init(&kbd, NULL, mem_next, &mem_next);
eve_kbd_set_handler(&kbd, key_down, NULL);
eve_touch_set_handler(handle_touch, NULL);
eve_touch_set_opt(0x80, EVE_TOUCH_OPT_TRACK | EVE_TOUCH_OPT_TRACK_EXT);
handle_touch(NULL, 0, -1);
eve_brightness(0x40);
eos_spi_dev_stop();
eos_i2s_mic_init(mic_arr, ABUF_SIZE);
eos_i2s_mic_set_wm(MIC_WM);
eos_i2s_mic_set_handler(handle_mic);
eos_i2s_spk_init(spk_arr, ABUF_SIZE);
eos_uart_set_handler(EOS_UART_ETYPE_RX, handle_uart);
eos_cell_set_handler(EOS_CELL_MTYPE_DEV, handle_cell_msg);
eos_net_acquire_for_evt(EOS_EVT_I2S | EOS_I2S_ETYPE_MIC, 1);
eos_net_acquire_for_evt(EOS_EVT_UI | EVE_ETYPE_INTR, 1);
eos_net_acquire_for_evt(EOS_EVT_UART | EOS_UART_ETYPE_RX, 1);
eos_evtq_loop();
}
|
