#include "menu.h"
+unsigned char akc6955_get_amband(void)
+{
+ return akc6955_get_band() >> 3;
+}
+
+unsigned char akc6955_get_fmband(void)
+{
+ return akc6955_get_band() & 0x07;
+}
+
void akc6955_chg_fm(unsigned char f, unsigned int freq)
{
__bitops_t b;
return 0;
}
+unsigned char akc6955_get_mode3k(void)
+{
+ __bitops_t c;
+ c.byte = akc6955_readcmd(AKC6955_CNR_AM);
+ if(c.b7) {
+ return 0xff;
+ }
+ return 0;
+}
+
void akc6955_mode3k(unsigned char flag)
{
__bitops_t b;
+ b.byte = akc6955_readcmd(AKC6955_CH_LO);
+ akc6955_writecmd(AKC6955_CH_LO, b.byte);
+
b.byte = akc6955_readcmd(AKC6955_CH_HI);
b.b5 = 0;
if(flag != 0){
}
akc6955_writecmd(AKC6955_CH_HI, b.byte);
akc6955_do_tune();
- _AKC6955_WAIT_62_5MS();
}
void akc6955_set_tune(unsigned char mode_3k, unsigned int ch)
__bitops_t b;
unsigned int i = ch;
unsigned char comp;
+ unsigned int start;
+ unsigned int stop;
+ unsigned int q;
do { // Wait for before completed
comp = akc6955_chk_donescan();
idle_time_35ms();
} while(comp == 0x00);
+
f.byte = akc6955_readcmd(AKC6955_POWER);
- band = 0;
- if(!f.b6){
- akc6955_get_amband(band);
- }
-
- if(band == AKC6955_BAND_MW2){
- // BAND=AM && MW2
- i = ch / 3; // On MW2, Channnel must be multiple of 3.
- i = i * 3; // i = (i/3) * 3
+ if(!f.b6){ // AM
+ band = akc6955_get_amband();
+ if(band == AKC6955_BAND_MW2){
+ // BAND=AM && MW2
+ i = ch / 3; // On MW2, Channnel must be multiple of 3.
+ i = i * 3; // i = (i/3) * 3
+ mode_3k = 0xff;
+ q = 3;
+ } else if(mode_3k != 0) {
+ q = 3;
+ } else {
+ q = 5;
+ }
+
+ if(band == AKC6955_BAND_AMUSER) {
+ start = setup.am_usrbands[setup.am_userbandnum].start * 32;
+ stop = setup.am_usrbands[setup.am_userbandnum].stop * 32;
+ } else {
+ start = ambands[band].start / q;
+ stop = ambands[band].end / q;
+ }
+ } else {
+ band = akc6955_get_fmband();
+ if(band == AKC6955_BAND_FMUSER) {
+ start = setup.fm_usrbands[setup.fm_userbandnum].start * 32;
+ stop = setup.fm_usrbands[setup.fm_userbandnum].stop * 32;
+ } else {
+ start = ((fmbands[band].start - 3000) * 4) / 10;
+ stop = ((fmbands[band].end - 3000) * 4) / 10;
+ }
}
+
if(i > 0x1fff) i = 0x1fff;
- //i = ch & 0x1fff;
+ if(i > stop) i = stop;
+ if(i < start) i = start;
b.byte = i & 0xff;
akc6955_writecmd(AKC6955_CH_LO, b.byte);
b.byte = i >> 8;
b.b6 = 1;
- if(mode_3k != 0){
+ if((setup.fm == 0) && (mode_3k != 0)){
b.b5 = 1; // Mode 3K ON
+ } else {
+ b.b5 = 0;
}
+
akc6955_writecmd(AKC6955_CH_HI, b.byte);
akc6955_do_tune();
void akc6955_do_scan(unsigned char up)
{
__bitops_t b;
- // akc6955_do_tune();
+
+ //20130823 Need wait for scan/tune completed w/o SDCC 3.3.x.
+#ifndef __SDCC
+ while(akc6955_chk_donescan() == 0)
+ {
+ idle_time_ms(5);
+ }
+#endif
b.byte = akc6955_readcmd(AKC6955_POWER);
b.b3 = 0;
b.b4 = 0;
- b.b5 = 0;
+// 20130823 : Is this collect?
+#ifdef __SDCC
+ b.b5 = 0;
akc6955_writecmd(AKC6955_POWER, b.byte);
+ idle_time_ms(35);
+#endif
+
b.b5 = 1; // Tune 0->1.
- idle_time_35ms();
akc6955_writecmd(AKC6955_POWER, b.byte);
- idle_time_35ms();
+ idle_time_ms(35);
+
+ b.b4 = 1;
if(up != 0) {
b.b3= 1;
}
- b.b4 = 1;
akc6955_writecmd(AKC6955_POWER, b.byte); // Raise seek bit to '1'.
+ idle_time_ms(35);
}
void akc6955_abort_scan(void)
akc6955_writecmd(AKC6955_SPACE, c);
}
+unsigned char akc6955_get_scanrate_fm(void)
+{
+ unsigned char c;
+ c = akc6955_readcmd(AKC6955_SPACE);
+ c = (c & 0x30) >> 4;
+ return c;
+}
+
unsigned char akc6955_chk_donescan(void)
{
__bitops_t b;
freq = (i * 5) / 2 + 3000; // freq' = 25*i[KHz] = (25 / 10) *i [10KHz]
} else { // 5K
b.byte = akc6955_readcmd(AKC6955_CH_HI);
- akc6955_get_amband(band);
+ band = akc6955_get_amband();
freq = i * 5;
if((band == AKC6955_BAND_MW2) || (b.b5)){
freq = i * 3;
__bitops_t f;
__bitops_t mode3k;
unsigned char band;
- unsigned int start, stop;
f.byte = akc6955_readcmd(AKC6955_POWER);
if(f.b6) { // FM
- akc6955_get_fmband(band);
-// band &= 7;
- if(band == AKC6955_BAND_FMUSER){
- start = setup.fm_usrbands[setup.fm_userbandnum].start * 32;
- stop = setup.fm_usrbands[setup.fm_userbandnum].stop * 32;
- } else {
- start = fmbands[band].start;
- stop = fmbands[band].end;
- }
+ band = akc6955_get_fmband();
ch = freq - 3000;
ch = (ch << 2) / 10;
} else {
- akc6955_get_amband(band);
-// if(band >= AKC6955_BAND_AMEND) band = AKC6955_BAND_AMEND - 1;
- if(band == AKC6955_BAND_AMUSER){
- start = setup.am_usrbands[setup.am_userbandnum].start * 32;
- stop = setup.am_usrbands[setup.am_userbandnum].stop * 32;
- } else {
- start = ambands[band].start;
- stop = ambands[band].end;
- }
+ band = akc6955_get_amband();
mode3k.byte = akc6955_readcmd(AKC6955_CNR_AM);
if(band == AKC6955_BAND_MW2) {
ch = (freq / 9) * 3; // See datasheet.
ch = freq / 5;
}
}
- if(freq < start) freq = start;
- if(freq >= stop) freq = stop - 1;
akc6955_set_tune(mode3k.b7, ch);
}
freq = akc6955_get_channel();
freq += step;
- mode3k.byte = akc6955_readcmd(AKC6955_CNR_AM);
- akc6955_set_tune(mode3k.b7, freq);
+// mode3k.byte = akc6955_readcmd(AKC6955_CNR_AM);
+// akc6955_set_tune(mode3k.b7, freq);
+ akc6955_set_tune(setup.am_mode3k, freq);
}
freq = akc6955_get_channel();
if(freq <= step) return;
freq -= step;
- mode3k.byte = akc6955_readcmd(AKC6955_CNR_AM);
- akc6955_set_tune(mode3k.b7, freq);
+// mode3k.byte = akc6955_readcmd(AKC6955_CNR_AM);
+// akc6955_set_tune(mode3k.b7, freq);
+ akc6955_set_tune(setup.am_mode3k, freq);
}
void akc6955_setvolumemode(unsigned char flag)
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