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HAL function to ensure min stepper interrupt interval (#9985)

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This commit is contained in:
Chris Pepper
2018-03-07 23:53:25 +00:00
committed by Scott Lahteine
parent be0e100fed
commit a1a88ebabc
10 changed files with 51 additions and 29 deletions
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4
Marlin/src/HAL/HAL_AVR/HAL_spi_AVR.cpp
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@@ -221,7 +221,7 @@ void spiBegin (void) {
/** Soft SPI receive byte */
uint8_t spiRec() {
uint8_t data = 0;
// no interrupts during byte receive - about 8 us
// no interrupts during byte receive - about 8µs
cli();
// output pin high - like sending 0xFF
WRITE(MOSI_PIN, HIGH);
@@ -252,7 +252,7 @@ void spiBegin (void) {
//------------------------------------------------------------------------------
/** Soft SPI send byte */
void spiSend(uint8_t data) {
// no interrupts during byte send - about 8 us
// no interrupts during byte send - about 8µs
cli();
for (uint8_t i = 0; i < 8; i++) {
WRITE(SCK_PIN, LOW);