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added support for 1-line bus width sdmmc device mode #482

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Merged
KenVanHoeylandt merged 1 commit into from
Feb 5, 2026
Merged

added support for 1-line bus width sdmmc device mode #482

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7 changes: 5 additions & 2 deletions Tactility/Include/Tactility/hal/sdcard/SdmmcDevice.h
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Original file line number Diff line number Diff line change
Expand Up @@ -31,15 +31,17 @@ class SdmmcDevice final : public SdCardDevice {
gpio_num_t pinD1,
gpio_num_t pinD2,
gpio_num_t pinD3,
MountBehaviour mountBehaviourAtBoot
MountBehaviour mountBehaviourAtBoot,
uint8_t busWidth = 4
) :
pinClock(pinClock),
pinCmd(pinCmd),
pinD0(pinD0),
pinD1(pinD1),
pinD2(pinD2),
pinD3(pinD3),
mountBehaviourAtBoot(mountBehaviourAtBoot)
mountBehaviourAtBoot(mountBehaviourAtBoot),
busWidth(busWidth)
{}

int spiFrequencyKhz;
Expand All @@ -50,6 +52,7 @@ class SdmmcDevice final : public SdCardDevice {
gpio_num_t pinD2;
gpio_num_t pinD3;
MountBehaviour mountBehaviourAtBoot;
uint8_t busWidth;
bool formatOnMountFailed = false;
uint16_t maxOpenFiles = 4;
uint16_t allocUnitSize = 16 * 1024;
Expand Down
4 changes: 2 additions & 2 deletions Tactility/Source/hal/sdcard/SdmmcDevice.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -41,7 +41,7 @@ bool SdmmcDevice::mountInternal(const std::string& newMountPath) {
.d7 = static_cast<gpio_num_t>(0),
.cd = GPIO_NUM_NC,
.wp = GPIO_NUM_NC,
.width = 4,
.width = config->busWidth,
.flags = 0
};

Expand Down Expand Up @@ -120,4 +120,4 @@ SdmmcDevice::State SdmmcDevice::getState(TickType_t timeout) const {

}

#endif
#endif