#include "power.h"
#include "commondef.h"
#include "menu.h"
+#include "ui.h"
-void akc6955_writecmd(unsigned char reg, unsigned char data)
+unsigned char akc6955_readcmd(unsigned char reg)
{
-#ifdef __SDCC
- i2c_open(I2C_MASTER, I2C_SLEW_ON, 5);
- I2C_START();
- i2c_writechar(0x20);
- i2c_writechar(reg);
- i2c_writechar(data);
- I2C_STOP();
- i2c_close();
- delay100tcy(2);
-#else
- OpenI2C(MASTER, SLEW_OFF);
- StartI2C();
- WriteI2C(0x20);
- //delay1ktcy(8);
- WriteI2C(reg);
- //delay1ktcy(8);
- WriteI2C(data);
- //delay1ktcy(8);
- StopI2C();
- // delay1ktcy(8);
- CloseI2C();
-// CLOSEASMASTER();
-#endif // i2c_idle();
+ return i2c_read_byte(AKC6955_ADDRESS, reg);
}
-unsigned char akc6955_readcmd(unsigned char reg)
+void akc6955_writecmd(unsigned char reg,unsigned char data)
{
- unsigned char c;
- // OPENASMASTER();
-#ifdef __SDCC
- i2c_open(I2C_MASTER, I2C_SLEW_ON, 5);
-#else
- OpenI2C(MASTER, SLEW_OFF);
-#endif
-#ifdef __SDCC
- I2C_START();
- i2c_writechar(0x20);
- i2c_writechar(reg);
- I2C_STOP();
- delay100tcy(2);
- I2C_START();
- i2c_writechar(0x21);
- c = i2c_readchar();
- I2C_ACK();
- I2C_STOP();
- i2c_close();
-#else
- StartI2C();
- WriteI2C(0x20);
- // delay1ktcy(8);
- WriteI2C(reg);
- // delay1ktcy(8);
- StopI2C();
- __delay_us(13);
- StartI2C();
- WriteI2C(0x21);
- // delay1ktcy(8);
- c = ReadI2C();
- AckI2C();
- StopI2C();
- // delay1ktcy(8);
- CloseI2C();
-#endif
- // CLOSEASMASTER();
+ i2c_send_byte(AKC6955_ADDRESS, reg, data);
+}
- return c;
+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)
{
__bitops_t b;
b.b6 = 0;
if(f != 0){
b.b6 = 1;
- akc6955_set_fmband(fmband);
+ akc6955_set_fmband(setup.fmband);
akc6955_writecmd(AKC6955_POWER, b.byte);
akc6955_set_freq(freq);
return;
}
akc6955_writecmd(AKC6955_POWER, b.byte);
- akc6955_set_amband(amband);
+ akc6955_set_amband(setup.amband);
akc6955_set_freq(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_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();
+}
+
+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();
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
+ f = akc6955_get_fm();
+ band = 0;
+ 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) {
+ q = 3;
+ } else {
+ q = 5;
+ }
+ start = ambands[band].start / q;
+ stop = ambands[band].end / q;
+ }
+ } else {
+ band = akc6955_get_fmband();
+ start = ((fmbands[band].start - 3000) * 2) / 5;
+ stop = ((fmbands[band].end - 3000) * 2) / 5;;
+ if(band == AKC6955_BAND_FMUSER){
+ start = userband.fm_usrbands[setup.fm_userbandnum].start * 32;
+ stop = userband.fm_usrbands[setup.fm_userbandnum].stop * 32;
+ }
}
- if(i > 0x1fff) i = 0x1fff;
- //i = ch & 0x1fff;
+ if(i > stop) i = stop; // ADD
+ if(i < start) i = start;
b.byte = i & 0xff;
akc6955_writecmd(AKC6955_CH_LO, b.byte);
void akc6955_do_scan(unsigned char up)
{
__bitops_t b;
- // akc6955_do_tune();
+ unsigned char c;
+
+ //20130823 Need wait for scan/tune completed w/o SDCC 3.3.x.
+#ifndef __SDCC
+ while(akc6955_chk_donescan() == 0)
+ {
+ c = pollkey_single_timeout(1, 0); // 23ms
+ if(c == charcode_a) return; // IF 'A' abort.
+ //idle_time_ms(35);
+ }
+#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;
*/
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;
- if(band == AKC6955_BAND_FMUSER){
- start = fm_usrbands[fm_userbandnum].start * 32;
- stop = fm_usrbands[fm_userbandnum].stop * 32;
- } else {
- start = fmbands[band].start;
- stop = fmbands[band].end;
- }
- ch = freq - 3000;
- ch = (ch << 2) / 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;
- if(band == AKC6955_BAND_AMUSER){
- start = am_usrbands[am_userbandnum].start * 32;
- stop = am_usrbands[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.
- } else if(band == AKC6955_BAND_MW3) {
- ch = freq / 5;
- } 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;
}
- if(freq < start) freq = start;
- if(freq >= stop) freq = stop - 1;
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;
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();
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
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;
a = a & 0x03;
- threshold_fmstereo = a;
+ setup.threshold_fmstereo = a;
b = akc6955_readcmd(AKC6955_THRESH) & 0xfc;
akc6955_writecmd(AKC6955_THRESH, a | b);
}
{
unsigned char b;
a = a & 0x03;
- threshold_width = a;
+ setup.threshold_width = a;
a = a << 2; // << 2
b = akc6955_readcmd(AKC6955_THRESH) & 0xf3;;
akc6955_writecmd(AKC6955_THRESH, a | b);
{
unsigned char b;
a = a & 0x03;
- threshold_amcnr = a;
+ setup.threshold_amcnr = a;
a = a << 4; // << 4
b = akc6955_readcmd(AKC6955_THRESH) & 0xcf;
akc6955_writecmd(AKC6955_THRESH, a | b);
{
unsigned char b;
a = a & 0x03;
- threshold_fmcnr = a;
+ setup.threshold_fmcnr = a;
a = a << 6; // << 4
b = akc6955_readcmd(AKC6955_THRESH) & 0x3f;
akc6955_writecmd(AKC6955_THRESH, a | b);
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