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SD: avoid timeout lock if millis() approaches 2^16 

this is a rework of @Timmmm 's PR #1977
This commit is contained in:
Martino Facchin 2015-03-23 15:28:19 +01:00
parent 8ce8b720f5
commit a6be90f983
1 changed files with 2 additions and 2 deletions
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4
libraries/SD/src/utility/Sd2Card.cpp
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@ -283,7 +283,7 @@ uint8_t Sd2Card::init(uint8_t sckRateID, uint8_t chipSelectPin) {
// command to go idle in SPI mode
while ((status_ = cardCommand(CMD0, 0)) != R1_IDLE_STATE) {
if (((uint16_t)millis() - t0) > SD_INIT_TIMEOUT) {
if (((uint16_t)(millis() - t0)) > SD_INIT_TIMEOUT) {
error(SD_CARD_ERROR_CMD0);
goto fail;
}
@ -305,7 +305,7 @@ uint8_t Sd2Card::init(uint8_t sckRateID, uint8_t chipSelectPin) {
while ((status_ = cardAcmd(ACMD41, arg)) != R1_READY_STATE) {
// check for timeout
if (((uint16_t)millis() - t0) > SD_INIT_TIMEOUT) {
if (((uint16_t)(millis() - t0)) > SD_INIT_TIMEOUT) {
error(SD_CARD_ERROR_ACMD41);
goto fail;
}