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apply steve-m/librtlsdr/pull/56

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MightyPork
2022-02-27 22:40:55 +01:00
parent 031a044e31
commit 7977396669
1 changed files with 23 additions and 4 deletions
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src/librtlsdr.c
+23 -4
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@@ -581,6 +581,7 @@ void rtlsdr_set_gpio_output(rtlsdr_dev_t *dev, uint8_t gpio)
void rtlsdr_set_i2c_repeater(rtlsdr_dev_t *dev, int on)
{
on = !!on; /* values +2 to force on */
rtlsdr_demod_write_reg(dev, 1, 0x01, on ? 0x18 : 0x10, 1);
}
@@ -2016,16 +2017,34 @@ uint32_t rtlsdr_get_tuner_clock(void *dev)
int rtlsdr_i2c_write_fn(void *dev, uint8_t addr, uint8_t *buf, int len)
{
if (dev)
return rtlsdr_i2c_write(((rtlsdr_dev_t *)dev), addr, buf, len);
int r;
int retries = 2;
if (!dev)
return -1;
do {
r = rtlsdr_i2c_write(((rtlsdr_dev_t *)dev), addr, buf, len);
if (r >= 0)
return r;
rtlsdr_set_i2c_repeater(dev, 2);
retries--;
} while (retries > 0);
return -1;
}
int rtlsdr_i2c_read_fn(void *dev, uint8_t addr, uint8_t *buf, int len)
{
if (dev)
return rtlsdr_i2c_read(((rtlsdr_dev_t *)dev), addr, buf, len);
int r;
int retries = 2;
if (!dev)
return -1;
do {
r = rtlsdr_i2c_read(((rtlsdr_dev_t *)dev), addr, buf, len);
if (r >= 0)
return r;
rtlsdr_set_i2c_repeater(dev, 2);
retries--;
} while (retries > 0);
return -1;
}