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Fix onboard SD card support for Teensy 3.6 & 4.1 (#19593)

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bilsef 2020-10-02 15:08:50 -07:00 committed by GitHub
parent 4e8eea8e78
commit e8a62ee3cf
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2 changed files with 20 additions and 0 deletions
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15
Marlin/src/sd/Sd2Card.cpp
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@ -231,6 +231,13 @@ bool Sd2Card::eraseSingleBlockEnable() {
* The reason for failure can be determined by calling errorCode() and errorData().
*/
bool Sd2Card::init(const uint8_t sckRateID, const pin_t chipSelectPin) {
#if IS_TEENSY_35_36 || IS_TEENSY_40_41
chipSelectPin_ = BUILTIN_SDCARD;
const uint8_t ret = SDHC_CardInit();
type_ = SDHC_CardGetType();
return (ret == 0);
#endif
errorCode_ = type_ = 0;
chipSelectPin_ = chipSelectPin;
// 16-bit init start time allows over a minute
@ -332,6 +339,10 @@ bool Sd2Card::init(const uint8_t sckRateID, const pin_t chipSelectPin) {
* \return true for success, false for failure.
*/
bool Sd2Card::readBlock(uint32_t blockNumber, uint8_t* dst) {
#if IS_TEENSY_35_36 || IS_TEENSY_40_41
return 0 == SDHC_CardReadBlock(dst, blockNumber);
#endif
if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9; // Use address if not SDHC card
#if ENABLED(SD_CHECK_AND_RETRY)
@ -547,6 +558,10 @@ bool Sd2Card::waitNotBusy(const millis_t timeout_ms) {
bool Sd2Card::writeBlock(uint32_t blockNumber, const uint8_t* src) {
if (ENABLED(SDCARD_READONLY)) return false;
#if IS_TEENSY_35_36 || IS_TEENSY_40_41
return 0 == SDHC_CardWriteBlock(src, blockNumber);
#endif
bool success = false;
if (type() != SD_CARD_TYPE_SDHC) blockNumber <<= 9; // Use address if not SDHC card
if (!cardCommand(CMD24, blockNumber)) {

5
Marlin/src/sd/Sd2Card.h
View file

@ -84,6 +84,11 @@ uint8_t const SD_CARD_TYPE_SD1 = 1, // Standard capacity V1
#define SOFTWARE_SPI
#endif
#if IS_TEENSY_35_36 || IS_TEENSY_40_41
#include "NXP_SDHC.h"
#define BUILTIN_SDCARD 254
#endif
/**
* \class Sd2Card
* \brief Raw access to SD and SDHC flash memory cards.