Fix overflow in XY transition
parent
dd198ef4c1
commit
95b9fe8eea
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@ -327,6 +327,13 @@ void hwLight_colorUpdate_HSV2RGB(u16 hue, u8 saturation, u8 level, bool enhanced
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hwLight_colorUpdate_RGB(R, G, B);
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}
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/**
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* @brief Updates the PWM channel duty based on RGB colors.
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*
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* @param R the red component from 0-255
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* @param G the green component from 0-255
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* @param B the blue component from 0-255
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*/
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void hwLight_colorUpdate_RGB(u8 R, u8 G, u8 B)
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{
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u16 gammaCorrectR = ((u16)R * R) / ZCL_LEVEL_ATTR_MAX_LEVEL;
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@ -377,7 +384,8 @@ float _fsqrt(float x, int n) {
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float LINEAR_TO_SRGB_GAMMA_CORRECTION(const float part)
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{
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// Optimization for embedded devices without math libraries: a ^ (m / n) == nth_root(a) ^ m
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return part <= 0.0031308f ? 12.92f * part : 1.055f * _fpow(_fsqrt(part, 12), 5) - 0.055f;
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// This uses a gamma value of 2.2 hence the (5/11)
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return part <= 0.0031308f ? 12.92f * part : 1.055f * _fpow(_fsqrt(part, 11), 5) - 0.055f;
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}
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#define MAX(x,y) ((x) > (y) ? (x) : (y))
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@ -219,6 +219,7 @@ static s32 sampleLight_colorTimerEvtCb(void *arg)
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{
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zcl_lightColorCtrlAttr_t *pColor = zcl_colorAttrGet();
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// It is safe to use the enhanced mode here, because we control it ourselves.
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if ((pColor->enhancedColorMode == ZCL_COLOR_MODE_CURRENT_HUE_SATURATION) ||
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(pColor->enhancedColorMode == ZCL_ENHANCED_COLOR_MODE_CURRENT_HUE_SATURATION))
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{
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@ -673,8 +674,8 @@ static void sampleLight_moveToColorProcess(zcl_colorCtrlMoveToColorCmd_t *cmd)
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pColor->colorMode = ZCL_COLOR_MODE_CURRENT_X_Y;
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pColor->enhancedColorMode = ZCL_COLOR_MODE_CURRENT_X_Y;
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colorInfo.currentX256 = (u16)(pColor->currentX) << 8;
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colorInfo.currentY256 = (u16)(pColor->currentY) << 8;
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colorInfo.currentX256 = (u32)(pColor->currentX) << 8;
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colorInfo.currentY256 = (u32)(pColor->currentY) << 8;
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u16 remTime = (cmd->transitionTime == 0) ? 1 : INTERP_STEPS_FROM_REM_TIME(cmd->transitionTime, ZCL_COLOR_CHANGE_INTERVAL);
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colorInfo.xyRemainingTime = remTime;
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