1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2007 by Dave Chapman
12 * Based on Rockbox iriver bootloader by Linus Nielsen Feltzing
14 * All files in this archive are subject to the GNU General Public License.
15 * See the file COPYING in the source tree root for full license agreement.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
37 #include "adc-target.h"
38 #include "backlight-target.h"
48 char version
[] = APPSVERSION
;
58 bool do_power_off
= false;
75 while(!do_power_off
) {
77 printf("Hello World!");
79 button
= button_read_device();
81 /* Power-off if POWER button has been held for a long time
82 This loop is currently running at about 100 iterations/second
84 if (button
& POWEROFF_BUTTON
) {
86 if (power_count
> 200)
92 printf("Btn: 0x%08x",button
);
95 printf("GPIOA: 0x%08x",GPIOA
);
96 printf("GPIOB: 0x%08x",GPIOB
);
97 printf("GPIOC: 0x%08x",GPIOC
);
98 printf("GPIOD: 0x%08x",GPIOD
);
99 printf("GPIOE: 0x%08x",GPIOE
);
101 for (i
= 0; i
<4; i
++)
103 printf("ADC%d: 0x%04x",i
,adc_read(i
));
106 /* TODO: Establish how the touchscreen driver is going to work.
107 Since it needs I2C read/write, it can't easily go on a tick task */
109 unsigned char buf
[] = { 0x2f, (0xE<<1) | 1, /* ADC start for X+Y */
112 i2c_write(0x10, buf
, 2);
113 i2c_readmem(0x10, 0x2e, buf
, 5);
114 x
= (buf
[2] << 2) | (buf
[3] & 3);
115 y
= (buf
[4] << 2) | ((buf
[3] & 0xC) >> 2);
116 printf("X: 0x%03x Y: 0x%03x",x
,y
);
119 buf
[1] = (0xF<<1) | 1; /* ADC start for P1+P2 */
120 i2c_write(0x10, buf
, 2);
121 i2c_readmem(0x10, 0x2e, buf
, 5);
122 x
= (buf
[2] << 2) | (buf
[3] & 3);
123 y
= (buf
[4] << 2) | ((buf
[3] & 0xC) >> 2);
124 printf("P1: 0x%03x P2: 0x%03x",x
,y
);
129 printf("Count: %d",count
);
136 #if defined(COWON_D2)
140 /* TODO: Power-off */
146 /* These functions are present in the firmware library, but we reimplement
147 them here because the originals do a lot more than we want */
148 void usb_acknowledge(void)
152 void usb_wait_for_disconnect(void)