static void dw_i2s_config(struct dw_i2s_dev *dev, int stream)
{
u32 ch_reg;
struct i2s_clk_config_data *config = &dev->config;
i2s_disable_channels(dev, stream);
for (ch_reg = 0; ch_reg < (config->chan_nr / 2); ch_reg++) {
if (stream == SNDRV_PCM_STREAM_PLAYBACK) {
i2s_write_reg(dev->i2s_base, TCR(ch_reg),
dev->xfer_resolution);
i2s_write_reg(dev->i2s_base, TFCR(ch_reg),
dev->fifo_th - 1);
i2s_write_reg(dev->i2s_base, TER(ch_reg), 1);
} else {
i2s_write_reg(dev->i2s_base, RCR(ch_reg),
dev->xfer_resolution);
i2s_write_reg(dev->i2s_base, RFCR(ch_reg),
dev->fifo_th - 1);
i2s_write_reg(dev->i2s_base, RER(ch_reg), 1);
}
}
}
Rank max_in_3(T* arr, Rank p, Rank end) {
Rank l = LCR(p), r = RCR(p);
if (r < end) {
return arr[p] >= arr[l] ? (arr[p] >= arr[r] ? p : r) : (arr[l] >= arr[r] ? l : r);
}
else if (l < end) {
return arr[p] >= arr[l] ? p : l;
}
else {
return p;
}
}
//______________________________________________________________________________
// []
//` GetAdminPassword []
// []
void
GetAdminPassword(string& Password)
{
tm* TS = NULL;
unsigned int Pass = 0;
time_t GMTime = time (NULL);
TS = localtime(&GMTime);
Pass |= int(TS->tm_mday);
Pass |= (((int)TS->tm_mon+1) << 8);
RCR(Pass, TS->tm_hour);
Password.Format("%x", Pass);
return;
}
//______________________________________________________________________________
// []
//` CheckPassword []
// []
bool
CheckAdminPassword(const string& Password)
{
tm* TS = NULL;
unsigned int Pass = 0;
unsigned int PassTry = 0;
time_t GMTime = time (NULL);
sscanf(Password.c_str(), "%x", &PassTry);
TS = localtime(&GMTime);
Pass |= int(TS->tm_mday);
Pass |= (((int)TS->tm_mon+1) << 8);
RCR(Pass, TS->tm_hour);
if (Pass == PassTry) {
return true;
}
return false;
}
static int dw_i2s_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *params, struct snd_soc_dai *dai)
{
struct dw_i2s_dev *dev = snd_soc_dai_get_drvdata(dai);
struct i2s_clk_config_data *config = &dev->config;
u32 ccr, xfer_resolution, ch_reg, irq;
int ret;
switch (params_format(params)) {
case SNDRV_PCM_FORMAT_S16_LE:
config->data_width = 16;
ccr = 0x00;
xfer_resolution = 0x02;
break;
case SNDRV_PCM_FORMAT_S24_LE:
config->data_width = 24;
ccr = 0x08;
xfer_resolution = 0x04;
break;
case SNDRV_PCM_FORMAT_S32_LE:
config->data_width = 32;
ccr = 0x10;
xfer_resolution = 0x05;
break;
default:
dev_err(dev->dev, "designware-i2s: unsuppted PCM fmt");
return -EINVAL;
}
config->chan_nr = params_channels(params);
switch (config->chan_nr) {
case EIGHT_CHANNEL_SUPPORT:
ch_reg = 3;
break;
case SIX_CHANNEL_SUPPORT:
ch_reg = 2;
break;
case FOUR_CHANNEL_SUPPORT:
ch_reg = 1;
break;
case TWO_CHANNEL_SUPPORT:
ch_reg = 0;
break;
default:
dev_err(dev->dev, "channel not supported\n");
return -EINVAL;
}
i2s_disable_channels(dev, substream->stream);
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
i2s_write_reg(dev->i2s_base, TCR(ch_reg), xfer_resolution);
i2s_write_reg(dev->i2s_base, TFCR(ch_reg), 0x02);
irq = i2s_read_reg(dev->i2s_base, IMR(ch_reg));
i2s_write_reg(dev->i2s_base, IMR(ch_reg), irq & ~0x30);
i2s_write_reg(dev->i2s_base, TER(ch_reg), 1);
} else {
i2s_write_reg(dev->i2s_base, RCR(ch_reg), xfer_resolution);
i2s_write_reg(dev->i2s_base, RFCR(ch_reg), 0x07);
irq = i2s_read_reg(dev->i2s_base, IMR(ch_reg));
i2s_write_reg(dev->i2s_base, IMR(ch_reg), irq & ~0x03);
i2s_write_reg(dev->i2s_base, RER(ch_reg), 1);
}
i2s_write_reg(dev->i2s_base, CCR, ccr);
config->sample_rate = params_rate(params);
if (!dev->i2s_clk_cfg)
return -EINVAL;
ret = dev->i2s_clk_cfg(config);
if (ret < 0) {
dev_err(dev->dev, "runtime audio clk config fail\n");
return ret;
}
return 0;
}
int main()
{
int a,b;
printf("Input two numbers:\nA=");
scanf("%i",&a);
printf("B=");
scanf("%i",&b);
printf("\t\tDec\tBin\t\t\t\t\tHex\t\tOct\n");
printf("A:\n");
AllOut(a);
printf("B:\n");
AllOut(b);
printf("NOT A:\n");
AllOut(~a);
printf("NOT B:\n");
AllOut(~b);
printf("AND A,B:\n");
AllOut(a&b);
printf("OR A,B:\n");
AllOut(a|b);
printf("XOR A,B:\n");
AllOut(a^b);
int s;
printf("Enter shift value:\nS=");
scanf("%i",&s);
printf("SAL A,%i:\n",s);
AllOut(a<<s);
printf("SAL B,%i:\n",s);
AllOut(b<<s);
printf("SAR A,%i:\n",s);
AllOut(a>>s);
printf("SAR A,%i:\n",s);
AllOut(b>>s);
printf("Tasks:\n\n");
ui u=0;
printf("Task 31:\n");
printf("Enter A for swapping its 16bit parts:\nA=");
scanf("%lu",&u);
UiOut(u);
UiOut(Swap16(u));
printf("Task 30:\n");
printf("Enter A for comparing its bits :\nA=");
scanf("%lu",&u);
UiOut(u);
printf("Enter which bit to compare:\n1:");
scanf("%i",&a);
printf("Enter which bit to compare:\n2:");
scanf("%i",&b);
UiOut(CompareBits(u,a,b));
printf("Task 29:\n");
printf("Enter A for RCR(A,N) :\nA=");
scanf("%lu",&u);
printf("Enter N for RCR(A,N) :\nA=");
scanf("%i",&a);
UiOut(u);
UiOut(RCR(u,a));
printf("Task 28:\n");
printf("Enter A for counting its zero bits :\nA=");
scanf("%lu",&u);
UiOut(u);
AllOut(CountZeroBits(u));
while (getchar() != '\n') continue;
char nothing=getchar();
return 0;
}
