#include "power.h"
#include "commondef.h"
#include "menu.h"
+#include "ui.h"
+
+unsigned char akc6955_readcmd(unsigned char reg)
+{
+ return i2c_read_byte(AKC6955_ADDRESS, reg);
+}
+
+void akc6955_writecmd(unsigned char reg,unsigned char data)
+{
+ i2c_send_byte(AKC6955_ADDRESS, reg, data);
+}
+
+unsigned char akc6955_get_band(void)
+{
+ return akc6955_readcmd(AKC6955_BAND);
+}
+
+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)
akc6955_do_tune();
}
-unsigned char akc6955_get_band(void)
-{
- return akc6955_readcmd(AKC6955_BAND);
-}
-
-
void akc6955_set_power(unsigned char on)
{
__bitops_t b;
void akc6955_do_tune(void)
{
__bitops_t b;
- b.byte = akc6955_readcmd(AKC6955_POWER);
- b.b5 = 0; // Tun = '0'
- b.b4 = 0; // Force abort scan.
+ b.byte = akc6955_readcmd(AKC6955_POWER) & 0b11001111;
+// b.b5 = 0; // Tun = '0'
+// b.b4 = 0; // Force abort scan.
akc6955_writecmd(AKC6955_POWER, b.byte);
idle_time_ms(1);
// Need sleep?-> Need! this sequence re fer from reference code.
akc6955_do_tune();
}
+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_set_tune(unsigned char mode_3k, unsigned int ch)
{
unsigned char band;
- __bitops_t f;
+ unsigned char f;
__bitops_t b;
unsigned int i = ch;
- unsigned char comp;
unsigned int start, stop;
+ unsigned char q;
- do { // Wait for before completed
- comp = akc6955_chk_donescan();
+ while(akc6955_chk_donescan() == 0) { // Wait for before completed
idle_time_35ms();
- } while(comp == 0x00);
- f.byte = akc6955_readcmd(AKC6955_POWER);
+ }
+ f = akc6955_get_fm();
band = 0;
- if(!f.b6){
- akc6955_get_amband(band);
- start = ambands[band].start;
- stop = ambands[band].end;
+ if(f == 0){
+ band = akc6955_get_amband();
if(band == AKC6955_BAND_AMUSER){
start = userband.am_usrbands[setup.am_userbandnum].start * 32;
stop = userband.am_usrbands[setup.am_userbandnum].stop * 32;
} else {
if(mode_3k != 0) {
- start = start / 3; // See datasheet.
- stop = stop / 3;
+ q = 3;
} else {
- start = start / 5;
- stop = stop / 5;
+ q = 5;
}
+ start = ambands[band].start / q;
+ stop = ambands[band].end / q;
}
} else {
- akc6955_get_fmband(band);
- start = ((fmbands[band].start - 3000) * 2) / 5;
- stop = ((fmbands[band].end - 3000) * 2) / 5;;
+ band = akc6955_get_fmband();
if(band == AKC6955_BAND_FMUSER){
start = userband.fm_usrbands[setup.fm_userbandnum].start * 32;
stop = userband.fm_usrbands[setup.fm_userbandnum].stop * 32;
+ } else {
+ start = ((fmbands[band].start - 3000) * 2) / 5;
+ stop = ((fmbands[band].end - 3000) * 2) / 5;;
}
}
if(i > stop) i = stop; // ADD
void akc6955_do_scan(unsigned char up)
{
__bitops_t b;
+ unsigned char c;
//20130823 Need wait for scan/tune completed w/o SDCC 3.3.x.
#ifndef __SDCC
while(akc6955_chk_donescan() == 0)
{
- idle_time_ms(5);
+ if(pollkey_single_timeout(1, 0) == charcode_a) return; // 23ms, if 'A' Abort.
}
#endif
- b.byte = akc6955_readcmd(AKC6955_POWER);
- b.b3 = 0;
- b.b4 = 0;
+ b.byte = akc6955_readcmd(AKC6955_POWER) & 0b11000111;
+
+// b.b3 = 0;
+ // b.b4 = 0;
// 20130823 : Is this collect?
#ifdef __SDCC
- b.b5 = 0;
+// b.b5 = 0;
akc6955_writecmd(AKC6955_POWER, b.byte);
- idle_time_ms(35);
+ idle_time_35ms();
#endif
b.b5 = 1; // Tune 0->1.
akc6955_writecmd(AKC6955_POWER, b.byte);
- idle_time_ms(35);
+ idle_time_35ms();
b.b4 = 1;
if(up != 0) {
b.b3= 1;
}
akc6955_writecmd(AKC6955_POWER, b.byte); // Raise seek bit to '1'.
- idle_time_ms(35);
+ idle_time_35ms();
}
void akc6955_abort_scan(void)
{
- unsigned char b;
- b = akc6955_readcmd(AKC6955_POWER);
- b &= 0xef;
- akc6955_writecmd(AKC6955_POWER, b); // Falldown seek bit to '0'.
+ __bitops_t b;
+ b.byte = akc6955_readcmd(AKC6955_POWER);
+ b.b4 = 0;
+ akc6955_writecmd(AKC6955_POWER, b.byte); // Falldown seek bit to '0'.
}
void akc6955_set_scanrate_fm(unsigned char rate)
unsigned char akc6955_get_scanrate_fm(void)
{
- unsigned char c;
- c = akc6955_readcmd(AKC6955_SPACE);
- c = (c & 0x30) >> 4;
- return c;
+// unsigned char c;
+// c = akc6955_readcmd(AKC6955_SPACE);
+// c = (c & 0x30) >> 4;
+ return (akc6955_readcmd(AKC6955_SPACE) & 0x30) >> 4;
}
unsigned char akc6955_chk_donescan(void)
unsigned int u;
l = akc6955_readcmd(AKC6955_RCH_LO) ;
h = akc6955_readcmd(AKC6955_RCH_HI) & 0x1f;
- u = (h << 8) | l;
- return u;
+ return (h << 8) | l;
+// return u;
}
/*
*/
unsigned int akc6955_get_freq(void)
{
- __bitops_t f, b;
+ __bitops_t b;
unsigned int i;
unsigned int freq;
unsigned char band;
+ unsigned char q;
+ unsigned char f;
- f.byte = akc6955_readcmd(AKC6955_POWER);
+ f = akc6955_get_fm();
i = akc6955_get_channel();
- if(f.b6){ // 25KHz
- freq = (i * 5) / 2 + 3000; // freq' = 25*i[KHz] = (25 / 10) *i [10KHz]
+ if(f != 0){ // 25KHz
+ freq = i * 2 + i / 2 + 3000; // freq' = 25*i[KHz] = (25 / 10) *i [10KHz]
} else { // 5K
b.byte = akc6955_readcmd(AKC6955_CH_HI);
- akc6955_get_amband(band);
- freq = i * 5;
- if((band == AKC6955_BAND_MW2) || (b.b5)){
- freq = i * 3;
+ band = akc6955_get_amband();
+ if((band == AKC6955_BAND_MW2) || (band == AKC6955_BAND_LW) || (b.b5)){
+ q = 3;
+ } else {
+ q = 5;
}
+ freq = i * q;
}
return freq;
}
void akc6955_set_freq(unsigned int freq)
{
unsigned int ch;
- __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;
- ch = ((freq - 3000) * 4) / 10;
+ unsigned char q;
+ unsigned char f;
+
+ f = akc6955_get_fm();
+ if(f != 0) { // FM
+ band = akc6955_get_fmband();
+ // band &= 7;
+ ch = ((freq - 3000) * 2) / 5;
} else {
- akc6955_get_amband(band);
-// if(band >= AKC6955_BAND_AMEND) band = AKC6955_BAND_AMEND - 1;
+ band = akc6955_get_amband();
mode3k.byte = akc6955_readcmd(AKC6955_CNR_AM);
- if(band == AKC6955_BAND_MW2) {
- ch = (freq / 9) * 3; // See datasheet.
- } else if(mode3k.b7){
- ch = freq / 3;
+ if((band == AKC6955_BAND_MW2) || (band == AKC6955_BAND_LW) || (mode3k.b7)){
+ q = 3;
+ mode3k.b7 = 1;
} else {
- ch = freq / 5;
+ q = 5;
+ mode3k.b7 = 0;
}
+ ch = freq / q;
}
akc6955_set_tune(mode3k.b7, ch);
}
void akc6955_set_userband(unsigned char start, unsigned char stop, unsigned int ch, unsigned char mode3k)
{
- __bitops_t f;
+ unsigned char f;
- f.byte = akc6955_readcmd(AKC6955_POWER);
+ f = akc6955_get_fm();
akc6955_writecmd(AKC6955_UCH_ST, start);
akc6955_writecmd(AKC6955_UCH_EN, stop);
- if(f.b6){
+ if(f != 0){
akc6955_set_fmband(AKC6955_BAND_FMUSER);
} else {
akc6955_set_amband(AKC6955_BAND_AMUSER);
unsigned char akc6955_get_cnr(void)
{
- __bitops_t f;
+ unsigned char f;
__bitops_t b;
- f.byte = akc6955_readcmd(AKC6955_POWER);
- if(f.b6) { // FM
+ f = akc6955_get_fm();
+ if(f != 0) { // FM
b.byte = akc6955_readcmd(AKC6955_CNR_FM);
} else { // AM
b.byte = akc6955_readcmd(AKC6955_CNR_AM);
int akc6955_read_level(void)
{
- __bitops_t f;
+ unsigned char f;
unsigned char rflevel, iflevel;
unsigned char b;
int rssi;
- unsigned int freq;
+ unsigned char band;
int totallevel;
int level;
- f.byte = akc6955_readcmd(AKC6955_POWER);
+ f = akc6955_get_fm();
b = akc6955_readcmd(AKC6955_PGALEVEL);
rflevel = (b & 0xe0) >> 5;
iflevel = (b & 0x1c) >> 2;
totallevel = rflevel + iflevel;
rssi = (int)(akc6955_readcmd(AKC6955_RSSI) & 0x7f);
- // totallevel = rssi + 6*totallevel;
level = (int)(totallevel * 6 + rssi);
- if(f.b6){
+ if(f != 0){
level = 103 - level; // totallevel * 6
} else {
- freq = akc6955_get_freq();
- if(freq > 2560) { // ASSUME SW
+ band = akc6955_get_amband();
+ if((band >= AKC6955_BAND_SW1) && (band <= AKC6955_BAND_AMUSER)) { // SW
level = 103 - level;
- } else { // ASSUME MW,LW
+ } else { // MW,LW
level = 123 - level;
}
}
int akc6955_get_diff(void)
{
__bitops_t diff;
- __bitops_t f;
+ unsigned char f;
int n;
diff.byte = akc6955_readcmd(AKC6955_FDNUM);
n = (int)diff.byte;
}
- f.byte = akc6955_readcmd(AKC6955_POWER);
- if(f.b6) { // FM
+ f = akc6955_get_fm();
+ if(f != 0) { // FM
return n * 10;
}
return n; // 10n
void akc6955_up_freq(unsigned int step)
{
unsigned int freq;
- __bitops_t mode3k;
+// __bitops_t mode3k;
+ unsigned char mode3k;
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);
+ mode3k = akc6955_get_mode3k();
+ akc6955_set_tune(mode3k, freq);
}
void akc6955_down_freq(unsigned int step)
{
unsigned int freq;
- __bitops_t mode3k;
- unsigned int start;
+ unsigned char mode3k;
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);
+ mode3k = akc6955_get_mode3k();
+ akc6955_set_tune(mode3k, freq);
}
void akc6955_setvolumemode(unsigned char flag)
unsigned char akc6955_get_prevolume(void)
{
unsigned char c;
- c = akc6955_readcmd(AKC6955_PRE) & 0x0c;
- c >>= 2;
- return c;
+// c = akc6955_readcmd(AKC6955_PRE) & 0x0c;
+ // c >>= 2;
+ return (akc6955_readcmd(AKC6955_PRE) & 0x0c) >> 2;
}
unsigned char akc6955_get_stereo(void)
{
- unsigned char c;
- c = akc6955_readcmd(AKC6955_RCH_HI) & 0x80;
- return c;
+ // unsigned char c;
+// c = akc6955_readcmd(AKC6955_RCH_HI) & 0x80;
+ return akc6955_readcmd(AKC6955_RCH_HI) & 0x80;
}
/*
return batt;
}
+/*
+ * Misc
+ */
+void akc6955_set_fmbandwidth(unsigned char bw)
+{
+ unsigned char c = akc6955_readcmd(AKC6955_STEREO);
+ c = (c & 0xfc) | (bw & 0x03);
+ akc6955_writecmd(AKC6955_STEREO, c);
+}
+
+unsigned char akc6955_get_fmbandwidth(void)
+{
+ return (akc6955_readcmd(AKC6955_STEREO) & 0x03);
+}
+
+
+
void akc6955_set_thresh_fmstereo(unsigned char a)
{
unsigned char b;
OSDN Git Service
