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
|
/*
ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010,
2011,2012 Giovanni Di Sirio.
This file is part of ChibiOS/RT.
ChibiOS/RT is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/RT is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ch.h"
#include "hal.h"
#include "test.h"
#if 0
/*
* Conversion table from hex digit to 7 segments encoding, bit 5 controls the
* dot.
* 8 = LU, 4 = RL, 2 = D, 1 = RU, 8 = U, 4 = M, 2 = LL, 1 = L.
*/
static uint8_t digits[32] = {
0x24, 0xAF, 0xE0, 0xA2, 0x2B, 0x32, 0x30, 0xA7,
0x20, 0x22, 0x21, 0x38, 0x74, 0xA8, 0x70, 0x71,
0x04, 0x8F, 0xC0, 0x82, 0x0B, 0x12, 0x10, 0x87,
0x00, 0x02, 0x01, 0x18, 0x54, 0x88, 0x50, 0x51
};
/*
* SPI configuration (1MHz, CPHA=0, CPOL=0).
*/
static SPIConfig spicfg = {
NULL,
GPIO1,
GPIO1_SPI0SEL,
CR0_DSS8BIT | CR0_FRFSPI | CR0_CLOCKRATE(0),
48
};
#endif
/*
* Red LED blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread1, 128);
static msg_t Thread1(void *arg) {
(void)arg;
chRegSetThreadName("blinker1");
while (TRUE) {
palClearPad(GPIO0, GPIO0_LED2);
chThdSleepMilliseconds(500);
palSetPad(GPIO0, GPIO0_LED2);
chThdSleepMilliseconds(500);
}
}
/*
* RGB LED blinker thread, times are in milliseconds.
*/
static WORKING_AREA(waThread2, 128);
static msg_t Thread2(void *arg) {
(void)arg;
chRegSetThreadName("blinker2");
while (TRUE) {
palClearPort(GPIO0, PAL_PORT_BIT(GPIO0_LED3B) |
PAL_PORT_BIT(GPIO0_LED3R) |
PAL_PORT_BIT(GPIO0_LED3G));
chThdSleepMilliseconds(250);
palClearPort(GPIO0, PAL_PORT_BIT(GPIO0_LED3B) |
PAL_PORT_BIT(GPIO0_LED3R) |
PAL_PORT_BIT(GPIO0_LED3G));
palSetPort(GPIO0, PAL_PORT_BIT(GPIO0_LED3B));
chThdSleepMilliseconds(250);
palClearPort(GPIO0, PAL_PORT_BIT(GPIO0_LED3B) |
PAL_PORT_BIT(GPIO0_LED3R) |
PAL_PORT_BIT(GPIO0_LED3G));
palSetPort(GPIO0, PAL_PORT_BIT(GPIO0_LED3R));
chThdSleepMilliseconds(250);
palClearPort(GPIO1, PAL_PORT_BIT(GPIO0_LED3B) |
PAL_PORT_BIT(GPIO0_LED3R) |
PAL_PORT_BIT(GPIO0_LED3G));
palSetPort(GPIO0, PAL_PORT_BIT(GPIO0_LED3G));
chThdSleepMilliseconds(250);
}
}
/*
* Application entry point.
*/
int main(void) {
uint8_t i;
/*
* System initializations.
* - HAL initialization, this also initializes the configured device drivers
* and performs the board-specific initializations.
* - Kernel initialization, the main() function becomes a thread and the
* RTOS is active.
*/
halInit();
chSysInit();
/*
* Activates the SD1 and SPI1 drivers.
*/
sdStart(&SD1, NULL); /* Default: 38400,8,N,1. */
// spiStart(&SPID1, &spicfg);
/*
* Creates the blinker threads.
*/
chThdCreateStatic(waThread1, sizeof(waThread1), NORMALPRIO, Thread1, NULL);
chThdCreateStatic(waThread2, sizeof(waThread2), NORMALPRIO, Thread2, NULL);
/*
* Normal main() thread activity, in this demo it updates the 7-segments
* display on the LPCXpresso main board using the SPI driver.
*/
i = 0;
while (TRUE) {
if (!palReadPad(GPIO0, GPIO0_SW3))
TestThread(&SD1);
#if 0
spiSelect(&SPID1);
spiSend(&SPID1, 1, &digits[i]); /* Non polled method. */
spiUnselect(&SPID1);
chThdSleepMilliseconds(500);
spiSelect(&SPID1);
spiPolledExchange(&SPID1, digits[i | 0x10]); /* Polled method. */
spiUnselect(&SPID1);
chThdSleepMilliseconds(500);
#endif
i = (i + 1) & 15;
}
}
|
