diff options
Diffstat (limited to 'src/ipa/rpi/cam_helper')
| -rw-r--r-- | src/ipa/rpi/cam_helper/cam_helper_imx283.cpp | 73 | ||||
| -rw-r--r-- | src/ipa/rpi/cam_helper/cam_helper_imx290.cpp | 6 | ||||
| -rw-r--r-- | src/ipa/rpi/cam_helper/meson.build | 1 |
3 files changed, 77 insertions, 3 deletions
diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp new file mode 100644 index 00000000..cb0be72a --- /dev/null +++ b/src/ipa/rpi/cam_helper/cam_helper_imx283.cpp @@ -0,0 +1,73 @@ +/* SPDX-License-Identifier: BSD-2-Clause */ +/* + * Copyright (C) 2024, Raspberry Pi Ltd + * + * cam_helper_Imx283.cpp - camera information for Imx283 sensor + */ + +#include <assert.h> + +#include "cam_helper.h" + +using namespace RPiController; + +class CamHelperImx283 : public CamHelper +{ +public: + CamHelperImx283(); + uint32_t gainCode(double gain) const override; + double gain(uint32_t gainCode) const override; + void getDelays(int &exposureDelay, int &gainDelay, + int &vblankDelay, int &hblankDelay) const override; + unsigned int hideFramesModeSwitch() const override; + +private: + /* + * Smallest difference between the frame length and integration time, + * in units of lines. + */ + static constexpr int frameIntegrationDiff = 4; +}; + +/* + * Imx283 doesn't output metadata, so we have to use the delayed controls which + * works by counting frames. + */ + +CamHelperImx283::CamHelperImx283() + : CamHelper({}, frameIntegrationDiff) +{ +} + +uint32_t CamHelperImx283::gainCode(double gain) const +{ + return static_cast<uint32_t>(2048.0 - 2048.0 / gain); +} + +double CamHelperImx283::gain(uint32_t gainCode) const +{ + return static_cast<double>(2048.0 / (2048 - gainCode)); +} + +void CamHelperImx283::getDelays(int &exposureDelay, int &gainDelay, + int &vblankDelay, int &hblankDelay) const +{ + /* The driver appears to behave as follows: */ + exposureDelay = 2; + gainDelay = 2; + vblankDelay = 2; + hblankDelay = 2; +} + +unsigned int CamHelperImx283::hideFramesModeSwitch() const +{ + /* After a mode switch, we seem to get 1 bad frame. */ + return 1; +} + +static CamHelper *create() +{ + return new CamHelperImx283(); +} + +static RegisterCamHelper reg("imx283", &create); diff --git a/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp b/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp index 24275e12..e57ab538 100644 --- a/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp +++ b/src/ipa/rpi/cam_helper/cam_helper_imx290.cpp @@ -5,7 +5,7 @@ * camera helper for imx290 sensor */ -#include <math.h> +#include <cmath> #include "cam_helper.h" @@ -37,13 +37,13 @@ CamHelperImx290::CamHelperImx290() uint32_t CamHelperImx290::gainCode(double gain) const { - int code = 66.6667 * log10(gain); + int code = 66.6667 * std::log10(gain); return std::max(0, std::min(code, 0xf0)); } double CamHelperImx290::gain(uint32_t gainCode) const { - return pow(10, 0.015 * gainCode); + return std::pow(10, 0.015 * gainCode); } void CamHelperImx290::getDelays(int &exposureDelay, int &gainDelay, diff --git a/src/ipa/rpi/cam_helper/meson.build b/src/ipa/rpi/cam_helper/meson.build index 72625057..1e43f1da 100644 --- a/src/ipa/rpi/cam_helper/meson.build +++ b/src/ipa/rpi/cam_helper/meson.build @@ -4,6 +4,7 @@ rpi_ipa_cam_helper_sources = files([ 'cam_helper.cpp', 'cam_helper_ov5647.cpp', 'cam_helper_imx219.cpp', + 'cam_helper_imx283.cpp', 'cam_helper_imx290.cpp', 'cam_helper_imx296.cpp', 'cam_helper_imx477.cpp', |