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authorNaushir Patuck <naush@raspberrypi.com>2022-06-29 09:57:21 +0100
committerKieran Bingham <kieran.bingham@ideasonboard.com>2022-06-29 12:12:07 +0100
commit95151dd06feb1574090e13bdcaa69be25498dee9 (patch)
tree4715cdb335aed584f15e26b7d74750f4c3dbfb08 /src/ipa
parent2a321be376dbc3c534d3634fdcaf141aff79cd48 (diff)
ipa: raspberrypi: imx477: Get sensor temperature from embedded data
Fetch the sensor temperature value from the embedded data buffer and add it to the DeviceStatus structure in CamHelperImx477::PopulateMetadata(). Signed-off-by: Naushir Patuck <naush@raspberrypi.com> Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> Reviewed-by: David Plowman <david.plowman@raspberrypi.com> Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Diffstat (limited to 'src/ipa')
-rw-r--r--src/ipa/raspberrypi/cam_helper_imx477.cpp5
1 files changed, 4 insertions, 1 deletions
diff --git a/src/ipa/raspberrypi/cam_helper_imx477.cpp b/src/ipa/raspberrypi/cam_helper_imx477.cpp
index 338fdc0c..0e1c0dbd 100644
--- a/src/ipa/raspberrypi/cam_helper_imx477.cpp
+++ b/src/ipa/raspberrypi/cam_helper_imx477.cpp
@@ -5,6 +5,7 @@
* cam_helper_imx477.cpp - camera helper for imx477 sensor
*/
+#include <algorithm>
#include <assert.h>
#include <cmath>
#include <stddef.h>
@@ -34,8 +35,9 @@ constexpr uint32_t gainHiReg = 0x0204;
constexpr uint32_t gainLoReg = 0x0205;
constexpr uint32_t frameLengthHiReg = 0x0340;
constexpr uint32_t frameLengthLoReg = 0x0341;
+constexpr uint32_t temperatureReg = 0x013a;
constexpr std::initializer_list<uint32_t> registerList =
- { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg };
+ { expHiReg, expLoReg, gainHiReg, gainLoReg, frameLengthHiReg, frameLengthLoReg, temperatureReg };
class CamHelperImx477 : public CamHelper
{
@@ -171,6 +173,7 @@ void CamHelperImx477::PopulateMetadata(const MdParser::RegisterMap &registers,
deviceStatus.shutter_speed = Exposure(registers.at(expHiReg) * 256 + registers.at(expLoReg));
deviceStatus.analogue_gain = Gain(registers.at(gainHiReg) * 256 + registers.at(gainLoReg));
deviceStatus.frame_length = registers.at(frameLengthHiReg) * 256 + registers.at(frameLengthLoReg);
+ deviceStatus.sensor_temperature = std::clamp<int8_t>(registers.at(temperatureReg), -20, 80);
metadata.Set("device.status", deviceStatus);
}