summaryrefslogtreecommitdiff
path: root/bootloader/samsung_yps3.c
diff options
context:
space:
mode:
Diffstat (limited to 'bootloader/samsung_yps3.c')
-rw-r--r--bootloader/samsung_yps3.c306
1 files changed, 306 insertions, 0 deletions
diff --git a/bootloader/samsung_yps3.c b/bootloader/samsung_yps3.c
new file mode 100644
index 0000000000..ba9f2d70e5
--- /dev/null
+++ b/bootloader/samsung_yps3.c
@@ -0,0 +1,306 @@
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2009 by Bertrik Sikken
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22#include <stdlib.h>
23#include <stdio.h>
24#include <stdarg.h>
25#include <string.h>
26
27#include "config.h"
28
29#include "inttypes.h"
30#include "cpu.h"
31#include "system.h"
32#include "lcd.h"
33#include "kernel.h"
34#include "thread.h"
35#include "backlight.h"
36#include "backlight-target.h"
37#include "button.h"
38#include "panic.h"
39#include "power.h"
40#include "common.h"
41#include "usb.h"
42#include "bitmaps/rockboxlogo.h"
43
44#include "adc.h"
45#include "adc-target.h"
46
47#include "timer.h"
48
49#include "i2c-s5l8700.h"
50#include "dma-target.h"
51#include "pcm.h"
52#include "audiohw.h"
53#include "rtc.h"
54#include "tuner.h"
55#include "si4700.h"
56#include "fmradio_i2c.h"
57
58char version[] = APPSVERSION;
59#define LONG_DELAY 200000
60#define SHORT_DELAY 50000
61#define PAUSE_DELAY 50000
62
63static inline void delay(unsigned int duration)
64{
65 volatile unsigned int i;
66 for(i=0;i<duration;i++);
67}
68
69// forward declaration
70static int rds_decode(int line, struct si4700_dbg_info *nfo);
71
72static int count = 0;
73
74static void timer_callback(void)
75{
76 count++;
77}
78
79void main(void)
80{
81 char mystring[64];
82 int line, col;
83 unsigned char read_data[16];
84 int i;
85 struct si4700_dbg_info si4700_info;
86
87 line = 1;
88
89 // enable all peripherals
90 PWRCON = 0;
91
92 // disable all interrupts
93 INTMSK = 0;
94
95 // start with all GPIOs as input
96 PCON0 = 0;
97 PCON1 = 0;
98 PCON2 = 0;
99 PCON3 = 0;
100 PCON4 = 0;
101 PCON5 = 0;
102 PCON6 = 0;
103 PCON7 = 0;
104
105 system_init();
106 kernel_init();
107
108 asm volatile("msr cpsr_c, #0x13\n\t"); // enable interrupts
109
110 lcd_init();
111
112 lcd_clear_display();
113 lcd_bitmap(rockboxlogo, 0, 160, BMPWIDTH_rockboxlogo, BMPHEIGHT_rockboxlogo);
114 lcd_update();
115
116 power_init();
117
118 i2c_init();
119 fmradio_i2c_init();
120 adc_init();
121 _backlight_init();
122
123 timer_register(1, NULL, 3 * TIMER_FREQ, timer_callback);
124
125 // LED outputs
126 PCON3 = (PCON3 & ~(0x0000FF00)) | 0x00001100;
127 PDAT3 |= (1 << 2) | (1 << 3);
128
129 // FM power
130 si4700_init();
131 tuner_power(true);
132 si4700_set(RADIO_SLEEP, 0);
133 si4700_set(RADIO_MUTE, 0);
134 si4700_set(RADIO_FREQUENCY, 100700000);
135
136 lcd_puts_scroll(0,0,"+++ this is a very very long line to test scrolling. ---");
137
138 while (true)
139 {
140 line = 1;
141
142#if 1 /* enable to see GPIOs */
143 snprintf(mystring, 64, "%02X %02X %02X %02X %02X %02X %02X %02X", PDAT0, PDAT1, PDAT2, PDAT3, PDAT4, PDAT5, PDAT6, PDAT7);
144 lcd_puts(0, line++, mystring);
145#endif
146
147#if 1 /* enable this to see info about the RTC */
148 rtc_read_datetime(read_data);
149 snprintf(mystring, 64, "RTC:");
150 for (i = 0; i < 7; i++) {
151 snprintf(mystring + 2 * i + 4, 64, "%02X", read_data[i]);
152 }
153 lcd_puts(0, line++, mystring);
154#endif
155
156#if 0 /* enable this so see info about the codec */
157 memset(read_data, 0, sizeof(read_data));
158 for (i = 0; i < 1; i++) {
159 i2c_read(0x34, i, 2, read_data);
160 data = read_data[0] << 8 | read_data[1];
161 snprintf(mystring + 4 * i, 64, "%04X", data);
162 }
163 lcd_puts(0, line++, mystring);
164#endif
165
166#if 1 /* enable this to see radio debug info */
167 si4700_dbg_info(&si4700_info);
168 col = snprintf(mystring, 64, "FM: ");
169 for (i = 0; i < 16; i++) {
170 col += snprintf(mystring + col, 64, "%04X ", si4700_info.regs[i]);
171 if (((i + 1) % 4) == 0) {
172 lcd_puts(0, line++, mystring);
173 col = 4;
174 }
175 }
176 line = rds_decode(line, &si4700_info);
177#endif
178
179#if 1 /* enable this to see ADC info */
180 snprintf(mystring, 64, "%04X %04X %04X %04X", adc_read(0), adc_read(1), adc_read(2), adc_read(3));
181 lcd_puts(0, line++, mystring);
182 snprintf(mystring, 64, "ADC:USB %4d mV BAT %4d mV",
183 (adc_read(0) * 6000) >> 10, (adc_read(2) * 4650) >> 10);
184 lcd_puts(0, line++, mystring);
185#endif
186
187#if 1 /* enable this so see USB info */
188 snprintf(mystring, 64, "CLK %08X CLK2 %08X", CLKCON, CLKCON2);
189 lcd_puts(0, line++, mystring);
190
191 snprintf(mystring, 64, "%04X %04X %04X %04X", PHYCTRL, PHYPWR, URSTCON, UCLKCON);
192 lcd_puts(0, line++, mystring);
193
194 snprintf(mystring, 64, "SCR %04X SSR %04X EIR %04X", SCR, SSR, EIR);
195 lcd_puts(0, line++, mystring);
196
197 snprintf(mystring, 64, "FAR %04X FNR %04X EP0 %04X", FAR, FNR, EP0SR);
198 lcd_puts(0, line++, mystring);
199#endif
200
201#if 1 /* enable to see timer/counter info */
202 snprintf(mystring, 64, "TIMER: %08X", count);
203 lcd_puts(0, line++, mystring);
204 snprintf(mystring, 64, "current_tick: %08X", current_tick);
205 lcd_puts(0, line++, mystring);
206 snprintf(mystring, 64, "TIMER %04X %04X %04X", TDCON, TDPRE, TDDATA0);
207 lcd_puts(0, line++, mystring);
208#endif
209
210#if 1 /* enable this to control backlight brightness with the hold switch */
211 if (PDAT4 & (1 << 3)) {
212 _backlight_set_brightness(10);
213 PDAT3 &= ~(1 << 4);
214 }
215 else {
216 _backlight_set_brightness(15);
217 PDAT3 |= (1 << 4);
218 }
219#endif
220
221 lcd_update();
222 }
223}
224
225
226static int rds_decode(int line, struct si4700_dbg_info *nfo)
227{
228 unsigned short rdsdata[4];
229 unsigned int pi, group, tp, pty, segment, abflag;
230 static unsigned int af1 = 0, af2 = 0;
231 static unsigned int day = 0, hour = 0, minute = 0;
232 static unsigned int abflag_prev = -1;
233 static char mystring[64];
234
235 /* big RDS arrays */
236 static char ps[9];
237 static char rt[65];
238
239 rdsdata[0] = nfo->regs[12];
240 rdsdata[1] = nfo->regs[13];
241 rdsdata[2] = nfo->regs[14];
242 rdsdata[3] = nfo->regs[15];
243
244 pi = rdsdata[0];
245 group = (rdsdata[1] >> 11) & 0x1F;
246 tp = (rdsdata[1] >> 10) & 1;
247 pty = (rdsdata[1] >> 5) & 0x1F;
248
249 switch (group) {
250
251 case 0: /* group 0A: basic info */
252 af1 = (rdsdata[2] >> 8) & 0xFF;
253 af2 = (rdsdata[2] >> 0) & 0xFF;
254 /* fall through */
255 case 1: /* group 0B: basic info */
256 segment = rdsdata[1] & 3;
257 ps[segment * 2 + 0] = (rdsdata[3] >> 8) & 0xFF;
258 ps[segment * 2 + 1] = (rdsdata[3] >> 0) & 0xFF;
259 break;
260
261 case 2: /* group 1A: programme item */
262 case 3: /* group 1B: programme item */
263 day = (rdsdata[3] >> 11) & 0x1F;
264 hour = (rdsdata[3] >> 6) & 0x1F;
265 minute = (rdsdata[3] >> 0) & 0x3F;
266 break;
267
268 case 4: /* group 2A: radio text */
269 segment = rdsdata[1] & 0xF;
270 abflag = (rdsdata[1] >> 4) & 1;
271 if (abflag != abflag_prev) {
272 memset(rt, '.', 64);
273 abflag_prev = abflag;
274 }
275 rt[segment * 4 + 0] = (rdsdata[2] >> 8) & 0xFF;
276 rt[segment * 4 + 1] = (rdsdata[2] >> 0) & 0xFF;
277 rt[segment * 4 + 2] = (rdsdata[3] >> 8) & 0xFF;
278 rt[segment * 4 + 3] = (rdsdata[3] >> 0) & 0xFF;
279 break;
280
281 case 5: /* group 2B: radio text */
282 segment = rdsdata[1] & 0xF;
283 abflag = (rdsdata[1] >> 4) & 1;
284 if (abflag != abflag_prev) {
285 memset(rt, '.', 64);
286 abflag_prev = abflag;
287 }
288 rt[segment * 2 + 0] = (rdsdata[3] >> 8) & 0xFF;
289 rt[segment * 2 + 1] = (rdsdata[3] >> 0) & 0xFF;
290 break;
291
292 default:
293 break;
294 }
295
296 snprintf(mystring, 64, "PI:%04X,TP:%d,PTY:%2d,AF:%02X/%02X", pi, tp, pty, af1, af2);
297 lcd_puts(0, line++, mystring);
298 snprintf(mystring, 64, "PS:%s,ITEM:%02d-%02d:%02d", ps, day, hour, minute);
299 lcd_puts(0, line++, mystring);
300 snprintf(mystring, 64, "RT:%s", rt);
301 lcd_puts(0, line++, mystring);
302
303 return line;
304}
305
306
generated by cgit v1.2.3 (git 2.39.1) at 2024-07-05 01:13:35 +0000