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Prefix SD SPI pins (SCK, MISO, MOSI, SS) (#20606)

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Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>
This commit is contained in:
Victor Oliveira
2021-01-01 17:31:15 -03:00
committed by GitHub
parent b530db948e
commit c840bbc970
109 changed files with 612 additions and 613 deletions
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28
Marlin/src/HAL/AVR/HAL_SPI.cpp
View File

@ -34,17 +34,17 @@
#include "../../inc/MarlinConfig.h"
void spiBegin() {
OUT_WRITE(SS_PIN, HIGH);
SET_OUTPUT(SCK_PIN);
SET_INPUT(MISO_PIN);
SET_OUTPUT(MOSI_PIN);
OUT_WRITE(SD_SS_PIN, HIGH);
SET_OUTPUT(SD_SCK_PIN);
SET_INPUT(SD_MISO_PIN);
SET_OUTPUT(SD_MOSI_PIN);
#if DISABLED(SOFTWARE_SPI)
// SS must be in output mode even it is not chip select
//SET_OUTPUT(SS_PIN);
//SET_OUTPUT(SD_SS_PIN);
// set SS high - may be chip select for another SPI device
//#if SET_SPI_SS_HIGH
//WRITE(SS_PIN, HIGH);
//WRITE(SD_SS_PIN, HIGH);
//#endif
// set a default rate
spiInit(1);
@ -195,19 +195,19 @@ void spiBegin() {
// no interrupts during byte receive - about 8µs
cli();
// output pin high - like sending 0xFF
WRITE(MOSI_PIN, HIGH);
WRITE(SD_MOSI_PIN, HIGH);
LOOP_L_N(i, 8) {
WRITE(SCK_PIN, HIGH);
WRITE(SD_SCK_PIN, HIGH);
nop; // adjust so SCK is nice
nop;
data <<= 1;
if (READ(MISO_PIN)) data |= 1;
if (READ(SD_MISO_PIN)) data |= 1;
WRITE(SCK_PIN, LOW);
WRITE(SD_SCK_PIN, LOW);
}
sei();
@ -225,10 +225,10 @@ void spiBegin() {
// no interrupts during byte send - about 8µs
cli();
LOOP_L_N(i, 8) {
WRITE(SCK_PIN, LOW);
WRITE(MOSI_PIN, data & 0x80);
WRITE(SD_SCK_PIN, LOW);
WRITE(SD_MOSI_PIN, data & 0x80);
data <<= 1;
WRITE(SCK_PIN, HIGH);
WRITE(SD_SCK_PIN, HIGH);
}
nop; // hold SCK high for a few ns
@ -236,7 +236,7 @@ void spiBegin() {
nop;
nop;
WRITE(SCK_PIN, LOW);
WRITE(SD_SCK_PIN, LOW);
sei();
}

16
Marlin/src/HAL/AVR/spi_pins.h
View File

@ -51,15 +51,15 @@
#define AVR_SS_PIN 16
#endif
#ifndef SCK_PIN
#define SCK_PIN AVR_SCK_PIN
#ifndef SD_SCK_PIN
#define SD_SCK_PIN AVR_SCK_PIN
#endif
#ifndef MISO_PIN
#define MISO_PIN AVR_MISO_PIN
#ifndef SD_MISO_PIN
#define SD_MISO_PIN AVR_MISO_PIN
#endif
#ifndef MOSI_PIN
#define MOSI_PIN AVR_MOSI_PIN
#ifndef SD_MOSI_PIN
#define SD_MOSI_PIN AVR_MOSI_PIN
#endif
#ifndef SS_PIN
#define SS_PIN AVR_SS_PIN
#ifndef SD_SS_PIN
#define SD_SS_PIN AVR_SS_PIN
#endif