From 1e720ec89ac03c5ed8534461c2f5340ac4dafa7d Mon Sep 17 00:00:00 2001
From: iximeow <me@iximeow.net>
Date: Fri, 15 Mar 2019 19:08:25 -0700
Subject: several in-the-field tweaks for qhy367c

---
 src/main.rs             | 27 ++++++++++++++++++++-------
 src/qhyccd/QHYCCDCam.rs |  1 +
 src/qhyccd/mod.rs       | 37 ++++++++++++++++++++++++++++++++-----
 3 files changed, 53 insertions(+), 12 deletions(-)

(limited to 'src')

diff --git a/src/main.rs b/src/main.rs
index 3640f34..eeb816d 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -18,12 +18,19 @@ fn operate_qhy() {
     use crate::qhyccd::Control;
     println!("Operating on qhy camera ... or i'll die trying");
     let mut camera = qhyccd::acquire(0).unwrap();
-    camera.set_exposure_ms(40000).unwrap();
-    camera.set_param(Control::Gain, 64.0).unwrap();
-    camera.set_param(Control::Offset, 00.0).unwrap();
-    camera.set_param(Control::USBTraffic, 250.0).unwrap();
-    camera.set_target_temp(0.0).unwrap();
-    camera.set_param(Control::Cooler, 0.0).unwrap();
+    camera.set_exposure_ms(4500).unwrap();
+    camera.set_param(Control::Gain, 100.0).unwrap();
+    camera.set_param(Control::Offset, 000.0).unwrap();
+    camera.set_param(Control::USBTraffic, 50.0).unwrap();
+//    camera.set_target_temp(0.0).unwrap();
+    camera.set_param(Control::Cooler, -15.0).unwrap();
+    println!("Gain: {:?}", camera.get_param_limits(Control::Gain));
+    println!("Offset: {:?}", camera.get_param_limits(Control::Offset));
+    println!("USBTraffic: {:?}", camera.get_param_limits(Control::USBTraffic));
+    println!("Gama: {:?}", camera.get_param_limits(Control::Gamma));
+    println!("WB Red: {:?}", camera.get_param_limits(Control::CONTROL_WBR));
+    println!("WB Green: {:?}", camera.get_param_limits(Control::CONTROL_WBG));
+    println!("WB Blue: {:?}", camera.get_param_limits(Control::CONTROL_WBB));
     println!("Binning modes:");
     println!("1x1: {}", camera.has_param(Control::Bin1x1Mode));
     println!("2x2: {}", camera.has_param(Control::Bin2x2Mode));
@@ -32,8 +39,14 @@ fn operate_qhy() {
 //    camera.set_param(Control::Speed, 1.0).unwrap();
     println!("current temp: {}", camera.get_param(Control::CurTemp));
     camera.set_defaults().unwrap();
+    camera.set_param(Control::CONTROL_WBR, 4027.0).unwrap();
+    camera.set_param(Control::CONTROL_WBG, 4027.0).unwrap();
+    camera.set_param(Control::CONTROL_WBB, 4027.0).unwrap();
 //    camera.set_bin_mode(2).unwrap();
-    camera.take_image("../../asdf.png");
+    let object = "jupiter";
+    for i in 0..10 {
+        camera.take_image(&format!("{}_{}.png", object, i));//, i));
+    }
     camera.release().unwrap();
 }
 
diff --git a/src/qhyccd/QHYCCDCam.rs b/src/qhyccd/QHYCCDCam.rs
index 6194835..9988791 100644
--- a/src/qhyccd/QHYCCDCam.rs
+++ b/src/qhyccd/QHYCCDCam.rs
@@ -106,6 +106,7 @@ extern "C" {
     pub fn InitQHYCCD(id: *mut os::raw::c_void) -> os::raw::c_int;
     pub fn IsQHYCCDControlAvailable(handle: *mut os::raw::c_void, control: os::raw::c_int) -> os::raw::c_int;
     pub fn SetQHYCCDParam(handle: *mut os::raw::c_void, control: os::raw::c_int, value: os::raw::c_double) -> os::raw::c_int;
+    pub fn GetQHYCCDParamMinMaxStep(handle: *mut os::raw::c_void, control: os::raw::c_int, min: *mut os::raw::c_double, max: *mut os::raw::c_double, step: *mut os::raw::c_double) -> os::raw::c_int;
     pub fn GetQHYCCDParam(handle: *mut os::raw::c_void, control: os::raw::c_int) -> os::raw::c_double;
     pub fn GetQHYCCDEffectiveArea(handle: *mut os::raw::c_void, startx: *mut os::raw::c_int, starty: *mut os::raw::c_int, sizex: *mut os::raw::c_int, sizey: *mut os::raw::c_int) -> os::raw::c_int;
     pub fn GetQHYCCDOverScanArea(handle: *mut os::raw::c_void, startx: *mut os::raw::c_int, starty: *mut os::raw::c_int, sizex: *mut os::raw::c_int, sizey: *mut os::raw::c_int) -> os::raw::c_int;
diff --git a/src/qhyccd/mod.rs b/src/qhyccd/mod.rs
index 192b943..4404ddb 100644
--- a/src/qhyccd/mod.rs
+++ b/src/qhyccd/mod.rs
@@ -104,6 +104,26 @@ impl Camera {
         }
         }
     }
+    pub fn get_param_limits(&self, control: Control) -> Result<(f64, f64, f64)> {
+        unsafe {
+            if self.has_param(control) {
+                let mut min = 0f64;
+                let mut max = 0f64;
+                let mut step = 0f64;
+                match check(QHYCCDCam::GetQHYCCDParamMinMaxStep(self.handle, control as i32, &mut min, &mut max, &mut step)) {
+                    Ok(_) => {
+                        Ok((min, max, step))
+                    },
+                    Err(_) => {
+                        Err(CameraError::QHYError)
+                    }
+                }
+            } else {
+                Err(CameraError::InvalidControl)
+            }
+        }
+    }
+
     pub fn get_param(&self, control: Control) -> f64 {
         unsafe {
             QHYCCDCam::GetQHYCCDParam(self.handle, control as i32)
@@ -227,15 +247,22 @@ impl Camera {
         let ref mut w = BufWriter::new(file);
         let mut encoder = png::Encoder::new(w, castediw as u32, castedih as u32);
         encoder.set(png::ColorType::RGB).set(png::BitDepth::Sixteen);
-        let mut writer = encoder.write_header().unwrap();
-        writer.write_image_data(
+        // crazy theory, endianness might be wrong...
+        // so flip the bytes first
+        let mut dataslice: &mut [u8] = 
             unsafe {
-                std::slice::from_raw_parts(
+                std::slice::from_raw_parts_mut(
                     data,
                     bufsize as usize
                 )
-            }
-        ).unwrap();
+            };
+        for i in 0..(bufsize as usize / 2) {
+            let tmp = dataslice[i * 2];
+            dataslice[i * 2] = dataslice[i * 2 + 1];
+            dataslice[i * 2 + 1] = tmp;
+        }
+        let mut writer = encoder.write_header().unwrap();
+        writer.write_image_data(dataslice).unwrap();
         dealloc(data as *mut u8, data_layout);
         Ok(())
     }
-- 
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