int main() {
int fd;
int wd;
#define EV_BUFF 1024
char buffer[EV_BUFF];
fd = inotify_init();
if(fd < 0)
xdie("inotify_init failed!");
/* create dir and try to watch it */
umask(0);
mkdir(WATCHDIR, S_IRWXU | S_IRWXG);
chown(WATCHDIR, AID_SYSTEM, AID_AUDIO);
wd = inotify_add_watch(fd, WATCHDIR, IN_CREATE|IN_DELETE);
if(wd < 0)
xdie("inotify_add_watch failed!");
init_freq();
for(;;) {
ALOGI("inotify event\n");
update_freq();
read(fd, buffer, EV_BUFF);
}
close(fd);
return 0;
}
static unsigned int get_symfreq(symfreq *sf, FILE *in)
{
int c;
unsigned int tot = 0;
/* 初始化频率表 */
init_freq(sf);
/* 计算文件中每个符号的出现次数 */
while ((c = fgetc(in)) != EOF) {
unsigned char uc = c;
if (!(*sf)[uc])
(*sf)[uc] = new_leaf_node(uc);
++(*sf)[uc]->count;
++tot;
}
return tot;
}
void hi6220_pll_init(void)
{
uint32_t data;
init_pll();
init_freq();
/*
* Init DDR with 533MHz. Otherwise, DDR initialization
* may fail on 800MHz on some boards.
*/
ddr_phy_reset();
init_ddr(0);
/* Init DDR with 800MHz. */
ddr_phy_reset();
init_ddr(1);
ddrc_common_init(1);
dienum_det_and_rowcol_cfg();
detect_ddr_chip_info();
data = mmio_read_32(0xf7032000 + 0x010);
data &= ~0x1;
mmio_write_32(0xf7032000 + 0x010, data);
data = mmio_read_32(0xf7032000 + 0x010);
/*
* Test memory access. Do not use address 0x0 because the compiler
* may assume it is not a valid address and generate incorrect code
* (GCC 4.9.1 without -fno-delete-null-pointer-checks for instance).
*/
mmio_write_32(0x4, 0xa5a55a5a);
INFO("ddr test value:0x%x\n", mmio_read_32(0x4));
init_ddrc_qos();
init_mmc0_pll();
reset_mmc0_clk();
init_media_clk();
dsb();
init_mmc1_pll();
reset_mmc1_clk();
}
static double freq() {
static double f = init_freq();
return f;
}
/***************************************************************************
Declaration : int main(void)
Function : Main Loop
***************************************************************************/
int main(void)
{
init_mcu();
init_rf();
init_buffer();
init_protocol();
init_freq();
#ifdef TEST_TX_CW
test_rf_transmitter(78);
#endif
#ifdef TEST_TX_MOD
test_rf_modulator(81);
#endif
#ifdef TEST_RX
test_rf_receiver(78);
#endif
/* Main Background loop */
call_state = CALL_IDLE;
while(1)
{
/* Call States */
switch (call_state)
{
case CALL_IDLE:
#ifdef DONGLE
sleep(WDT_TIMEOUT_60MS,STANDBY_MODE);
call_status = CALL_NO_ACTIVITY;
#ifdef USB
SET_VOLUME_DOWN;
SET_VOLUME_UP;
SET_MUTE_PLAY;
SET_MUTE_REC;
if(CALL_ACTIVITY_PIN)
call_status = CALL_ACTIVITY;
#else
if(!CALL_SETUP_KEY)
call_status = CALL_ACTIVITY;
#endif
if(call_status == CALL_ACTIVITY)
call_state = CALL_SETUP;
#endif
#ifdef HEADSET
sleep(WDT_TIMEOUT_1S,POWER_DOWN_MODE);
call_state = CALL_SETUP;
#endif
break;
case CALL_SETUP:
#ifdef DONGLE
LED_ON;
call_status = call_setup(&setup_freq[0],N_FREQ_SETUP);
LED_OFF;
if(call_status != CALL_SETUP_FAILURE)
{
init_buffer();
init_rf();
init_protocol();
init_codec();
start_codec();
#ifdef USB
// Enable watchdog to handle USB Suspend Mode
wdt_enable(WDT_TIMEOUT_15MS);
#else
start_timer1(0,FRAME_PERIOD, DIV1);
#endif
call_state = CALL_CONNECTED;
}
else
call_state = CALL_IDLE;
#endif
#ifdef HEADSET
LED_ON;
call_status = call_detect(&setup_freq[0],N_FREQ_SETUP,N_REP_SETUP);
LED_OFF;
if(call_status != CALL_SETUP_FAILURE)
{
init_buffer();
init_rf();
init_protocol();
init_codec();
call_status &= ~MASTER_SYNC;
start_timer1(0,FRAME_PERIOD, DIV1);
call_state = CALL_CONNECTED;
}
else
call_state = CALL_IDLE;
#endif
break;
case CALL_CONNECTED:
#ifdef DONGLE
while(1)
{
// USB Dongle clears watchdog handling USB Suspend Mode
#ifdef USB
wdt_reset();
#endif
// Send and receive audio packet
audio_transfer();
// Handle key code from HEADSET
key_code = (signal_in[1] & 0x1F);
if(key_code != 0)
LED_ON;
else
LED_OFF;
#ifdef USB
if(key_code & VOLUME_DOWN)
CLEAR_VOLUME_DOWN;
else
SET_VOLUME_DOWN;
if(key_code & VOLUME_UP)
CLEAR_VOLUME_UP;
else
SET_VOLUME_UP;
if(key_code & MUTE_PLAY)
CLEAR_MUTE_PLAY;
else
SET_MUTE_PLAY;
if(key_code & MUTE_REC)
CLEAR_MUTE_REC;
else
SET_MUTE_REC;
#endif
// Check if call is to be cleared
#ifdef USB
if(!CALL_ACTIVITY_PIN)
{
call_activity_timer += 1;
if(call_activity_timer >= TIMEOUT_CALL_ACTIVITY)
call_status = CALL_CLEAR;
}
else
call_activity_timer = 0;
#else
if(!CALL_CLEAR_KEY)
call_status = CALL_CLEAR;
#endif
// Call clearing by HEADSET or DONGLE
if((key_code == CALL_CLEARING) || (call_status == CALL_CLEAR))
{
signal_out[0] |= SIGNAL_CALL_CLEAR;
call_timer += 1;
if(call_timer >= TIMEOUT_CALL_CLEAR_MASTER)
{
call_state = CALL_IDLE;
stop_codec();
init_buffer();
init_rf();
init_protocol();
init_codec();
eeprom_write(freq[0],EEPROM_ADR_FREQ0);
eeprom_write(freq[1],EEPROM_ADR_FREQ1);
LED_OFF;
#ifdef USB
// Disable watchdog used to handle USB Suspend Mode
wdt_disable();
#endif
break;
}
}
else
signal_out[0] &= ~SIGNAL_CALL_CLEAR;
// Call clearing due to Frame Loss
if(frame_loss >= TIMEOUT_FRAME_LOSS)
{
#ifdef USB
call_state = CALL_RECONNECT;
init_rf();
init_protocol();
// Disable watchdog used to handle USB Suspend Mode
wdt_disable();
#else
call_state = CALL_RECONNECT;
stop_codec();
init_buffer();
init_rf();
init_protocol();
init_codec();
#endif
break;
}
}
#endif
#ifdef HEADSET
while(1)
{
if(call_status & MASTER_SYNC)
{
audio_transfer();
}
else
{
call_status = get_sync();
if(call_status & MASTER_SYNC)
start_codec();
else
frame_loss += 10;
}
// Read and handle keys
key_code = read_key();
signal_out[1] &= 0xE0;
signal_out[1] |= key_code;
// Call cleared by DONGLE
if(signal_in[0] & SIGNAL_CALL_CLEAR)
{
call_timer += 1;
if(call_timer >= TIMEOUT_CALL_CLEAR_SLAVE)
{
call_state = CALL_IDLE;
stop_codec();
init_buffer();
init_rf();
init_protocol();
init_codec();
break;
}
}
else
call_timer = 0;
// Call clearing due to Frame Loss
if(frame_loss >= TIMEOUT_FRAME_LOSS)
{
call_state = CALL_RECONNECT;
stop_codec();
init_buffer();
init_rf();
init_protocol();
init_codec();
break;
}
}
#endif
break;
case CALL_RECONNECT:
#ifdef DONGLE
LED_ON;
call_status = call_setup(&setup_freq[0],N_FREQ_SETUP);
LED_OFF;
if(call_status != CALL_SETUP_FAILURE)
{
#ifdef USB
init_rf();
init_protocol();
reset_codec();
call_state = CALL_CONNECTED;
#else
init_buffer();
init_rf();
init_protocol();
init_codec();
start_codec();
start_timer1(0,FRAME_PERIOD, DIV1);
call_state = CALL_CONNECTED;
#endif
}
else
{
stop_codec();
init_buffer();
init_rf();
init_protocol();
init_codec();
call_state = CALL_IDLE;
}
#endif
#ifdef HEADSET
LED_ON;
call_status = call_detect(&setup_freq[0],N_FREQ_SETUP,N_REP_RECONNECT);
LED_OFF;
if(call_status != CALL_SETUP_FAILURE)
{
init_buffer();
init_rf();
init_protocol();
init_codec();
call_status &= ~MASTER_SYNC;
start_timer1(0,FRAME_PERIOD, DIV1);
call_state = CALL_CONNECTED;
}
else
call_state = CALL_IDLE;
#endif
break;
default:
break;
}
}
}
