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authorBertrik Sikken <bertrik@sikken.nl>2009-08-03 14:24:28 +0000
committerBertrik Sikken <bertrik@sikken.nl>2009-08-03 14:24:28 +0000
commit0dc5cc8002e3d30fc7ae7ddf7f33a56c8b136e7e (patch)
tree955dab094183ee32249bd217ddc79caafeb2c42e /bootloader
parent0ce5b3296fc6a54ed3234d899863c2b9279bf854 (diff)
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Samsung YP-S3: update bootloader demo app with test code for the wmcodec (volume control of fm radio)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@22138 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'bootloader')
-rw-r--r--bootloader/samsung_yps3.c67
1 files changed, 53 insertions, 14 deletions
diff --git a/bootloader/samsung_yps3.c b/bootloader/samsung_yps3.c
index 511b6208a4..33115a92ac 100644
--- a/bootloader/samsung_yps3.c
+++ b/bootloader/samsung_yps3.c
@@ -54,6 +54,7 @@
#include "tuner.h"
#include "si4700.h"
#include "fmradio_i2c.h"
+#include "wmcodec.h"
char version[] = APPSVERSION;
#define LONG_DELAY 200000
@@ -77,8 +78,10 @@ void main(void)
int i;
struct si4700_dbg_info si4700_info;
// unsigned int data;
- int brightness = 0;
+ int brightness = DEFAULT_BRIGHTNESS_SETTING;
unsigned int button;
+ unsigned int fm_frequency = 100700000;
+ int audiovol = 0x60;
// enable all peripherals
PWRCON = 0;
@@ -113,18 +116,31 @@ void main(void)
fmradio_i2c_init();
adc_init();
_backlight_init();
-
+ button_init_device();
+
// FM power
si4700_init();
tuner_power(true);
si4700_set(RADIO_SLEEP, 0);
si4700_set(RADIO_MUTE, 0);
- si4700_set(RADIO_FREQUENCY, 100700000);
+ si4700_set(RADIO_FREQUENCY, fm_frequency);
lcd_puts_scroll(0,0,"+++ this is a very very long line to test scrolling. ---");
- button_init_device();
+ // WM1800 codec configuration
+ wmcodec_write(0x0F, 0); // codec reset
+ wmcodec_write(0x19, 0xF0); // pwr mgmt1: VMID = 1, VREF, AINL, AINR
+ wmcodec_write(0x1A, 0x60); // pwr mgmt2: LOUT1, ROUT1
+ wmcodec_write(0x2F, 0x0C); // pwr mgmt3: LOMIX, ROMIX
+ wmcodec_write(0x02, audiovol); // LOUT1VOL
+ wmcodec_write(0x03, audiovol | (1 << 8)); // ROUT1VOL
+ wmcodec_write(0x22, (1 << 7) | (7 << 4)); // left out mix (1)
+ wmcodec_write(0x25, (1 << 7) | (7 << 4)); // right out mix (2)
+ // enable audio
+ PCON5 = (PCON5 & ~0x0000000F) | 0x00000001;
+ PDAT5 |= 1;
+
while (true)
{
line = 1;
@@ -143,17 +159,19 @@ void main(void)
lcd_puts(0, line++, mystring);
#endif
-#if 0 /* enable this so see info about the codec */
- memset(read_data, 0, sizeof(read_data));
- for (i = 0; i < 1; i++) {
- i2c_read(0x34, i, 2, read_data);
- data = read_data[0] << 8 | read_data[1];
- snprintf(mystring + 4 * i, 64, "%04X", data);
+#if 1 /* enable this to see radio debug info */
+ button = button_read_device();
+ if (button & BUTTON_RIGHT) {
+ fm_frequency += 100000;
+ si4700_set(RADIO_FREQUENCY, fm_frequency);
+ }
+ if (button & BUTTON_LEFT) {
+ fm_frequency -= 100000;
+ si4700_set(RADIO_FREQUENCY, fm_frequency);
}
+ snprintf(mystring, 64, "FM frequency: %9d", fm_frequency);
lcd_puts(0, line++, mystring);
-#endif
-#if 1 /* enable this to see radio debug info */
si4700_dbg_info(&si4700_info);
col = snprintf(mystring, 64, "FM: ");
for (i = 0; i < 16; i++) {
@@ -166,6 +184,26 @@ void main(void)
line = rds_decode(line, &si4700_info);
#endif
+#if 1 /* volume control with up/down keys */
+ button = button_read_device();
+ if (button & BUTTON_UP) {
+ if (audiovol < 127) {
+ audiovol++;
+ wmcodec_write(0x02, audiovol);
+ wmcodec_write(0x03, (1 << 8) | audiovol);
+ }
+ }
+ if (button & BUTTON_DOWN) {
+ if (audiovol > 0) {
+ audiovol--;
+ wmcodec_write(0x02, audiovol);
+ wmcodec_write(0x03, (1 << 8) | audiovol);
+ }
+ }
+ snprintf(mystring, 64, "volume %3d", audiovol);
+ lcd_puts(0, line++, mystring);
+#endif
+
#if 1 /* enable this to see ADC info */
snprintf(mystring, 64, "%04X %04X %04X %04X", adc_read(0), adc_read(1), adc_read(2), adc_read(3));
lcd_puts(0, line++, mystring);
@@ -211,13 +249,14 @@ void main(void)
#endif
#if 1 /* backlight brightness controlled by up/down keys */
- if (button_read_device() & BUTTON_UP) {
+ button = button_read_device();
+ if (button & BUTTON_MENU) {
if (brightness < MAX_BRIGHTNESS_SETTING) {
brightness++;
_backlight_set_brightness(brightness);
}
}
- else if (button_read_device() & BUTTON_DOWN) {
+ else if (button & BUTTON_BACK) {
if (brightness > MIN_BRIGHTNESS_SETTING) {
brightness--;
_backlight_set_brightness(brightness);