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Fixed Nintendo Switch thumbstick calibration

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This commit is contained in:
Mitch Cairns
2025-06-22 13:12:05 -07:00
committed by Sam Lantinga
parent 038a3806eb
commit 3a6f9e01f8
1 changed files with 5 additions and 5 deletions
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10
src/joystick/hidapi/SDL_hidapi_switch.c
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@@ -979,7 +979,7 @@ static bool LoadStickCalibration(SDL_DriverSwitch_Context *ctx)
/* Stick calibration values are 12-bits each and are packed by bit
* For whatever reason the fields are in a different order for each stick
* Left: X-Max, Y-Max, X-Center, Y-Center, X-Min, Y-Min
* Right: X-Center, Y-Center, X-Max, Y-Max, X-Min, Y-Min
* Right: X-Center, Y-Center, X-Min, Y-Min, X-Max, Y-Max
*/
// Left stick
@@ -993,10 +993,10 @@ static bool LoadStickCalibration(SDL_DriverSwitch_Context *ctx)
// Right stick
ctx->m_StickCalData[1].axis[0].sCenter = ((pRightStickCal[1] << 8) & 0xF00) | pRightStickCal[0]; // X Axis center
ctx->m_StickCalData[1].axis[1].sCenter = (pRightStickCal[2] << 4) | (pRightStickCal[1] >> 4); // Y Axis center
ctx->m_StickCalData[1].axis[0].sMax = ((pRightStickCal[4] << 8) & 0xF00) | pRightStickCal[3]; // X Axis max above center
ctx->m_StickCalData[1].axis[1].sMax = (pRightStickCal[5] << 4) | (pRightStickCal[4] >> 4); // Y Axis max above center
ctx->m_StickCalData[1].axis[0].sMin = ((pRightStickCal[7] << 8) & 0xF00) | pRightStickCal[6]; // X Axis min below center
ctx->m_StickCalData[1].axis[1].sMin = (pRightStickCal[8] << 4) | (pRightStickCal[7] >> 4); // Y Axis min below center
ctx->m_StickCalData[1].axis[0].sMin = ((pRightStickCal[4] << 8) & 0xF00) | pRightStickCal[3]; // X Axis min below center
ctx->m_StickCalData[1].axis[1].sMin = (pRightStickCal[5] << 4) | (pRightStickCal[4] >> 4); // Y Axis min below center
ctx->m_StickCalData[1].axis[0].sMax = ((pRightStickCal[7] << 8) & 0xF00) | pRightStickCal[6]; // X Axis max above center
ctx->m_StickCalData[1].axis[1].sMax = (pRightStickCal[8] << 4) | (pRightStickCal[7] >> 4); // Y Axis max above center
// Filter out any values that were uninitialized (0xFFF) in the SPI read
for (stick = 0; stick < 2; ++stick) {