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change the way to get xu control's range

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This commit is contained in:
kalman
2018-05-31 15:09:00 +08:00
parent 87470f29a9
commit 5be47846e7
6 changed files with 43 additions and 18 deletions
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24
src/uvc/uvc-wmf.cc
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@@ -565,6 +565,7 @@ static std::string to_string(uint16_t size, uint8_t *data) {
return ss.str();
}
/*
static std::vector<BYTE> xu_control_desc(const device &device, const xu &xu, ULONG id, ULONG flags) {
auto ks_control = const_cast<uvc::device &>(device).get_ks_control(xu);
@@ -640,6 +641,7 @@ bool xu_control_range(
<< ": min=" << *min << ", max=" << *max << ", def=" << *def;
return true;
}
*/
static void xu_control_get(const device &device, const xu &xu, uint8_t selector,
uint16_t size, uint8_t *data) {
@@ -682,6 +684,28 @@ static void xu_control_set(const device &device, const xu &xu, uint8_t selector,
VLOG_INFO << __func__ << " " << static_cast<int>(selector) << " done";
}
static int32_t xu_control_range_basic(const device &device, const xu &xu, uint8_t selector, uint8_t id) {
int32_t value = 0;
std::uint8_t data[3]{};
std::uint8_t query_id[3]{id, 0, 0};
xu_control_set(device,xu,selector,3,query_id);
xu_control_get(device,xu,selector,3,data);
value = (data[1] << 8) | (data[2]);
return value;
}
bool xu_control_range(
const device &device, const xu &xu, uint8_t selector, uint8_t id,
int32_t *min, int32_t *max, int32_t *def) {
VLOG_INFO << __func__ << " " << static_cast<int>(selector);
*min = xu_control_range_basic(device,xu,selector,id|0x90);
*max = xu_control_range_basic(device,xu,selector,id|0xa0);
*def = xu_control_range_basic(device,xu,selector,id|0xc0);
return true;
}
bool xu_control_query(
const device &device, const xu &xu, uint8_t selector, xu_query query,
uint16_t size, uint8_t *data) {