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Miscellaneous cleanup

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This commit is contained in:
Scott Lahteine
2017-11-16 00:27:24 -06:00
parent 63257dc083
commit 50f09cc029
4 changed files with 24 additions and 38 deletions
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51
Marlin/src/feature/Max7219_Debug_LEDs.cpp
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@ -63,54 +63,41 @@
static uint8_t LEDs[8] = { 0 };
#ifdef CPU_32_BIT
#define MS_DELAY() delayMicroseconds(5) // 32-bit processors need a delay to stabilize the signal
#else
#define MS_DELAY() NOOP
#endif
void Max7219_PutByte(uint8_t data) {
CRITICAL_SECTION_START
for (uint8_t i = 8; i--;) {
#ifdef CPU_32_BIT // The 32-bit processors are so fast, a small delay in the code is needed
delayMicroseconds(5); // to let the signal wires stabilize.
WRITE(MAX7219_CLK_PIN, LOW); // tick
delayMicroseconds(5);
WRITE(MAX7219_DIN_PIN, (data & 0x80) ? HIGH : LOW); // send 1 or 0 based on data bit
delayMicroseconds(5);
WRITE(MAX7219_CLK_PIN, HIGH); // tock
delayMicroseconds(5);
#else
WRITE(MAX7219_CLK_PIN, LOW); // tick
WRITE(MAX7219_DIN_PIN, (data & 0x80) ? HIGH : LOW); // send 1 or 0 based on data bit
WRITE(MAX7219_CLK_PIN, HIGH); // tock
#endif
MS_DELAY();
WRITE(MAX7219_CLK_PIN, LOW); // tick
MS_DELAY();
WRITE(MAX7219_DIN_PIN, (data & 0x80) ? HIGH : LOW); // send 1 or 0 based on data bit
MS_DELAY();
WRITE(MAX7219_CLK_PIN, HIGH); // tock
MS_DELAY();
data <<= 1;
}
CRITICAL_SECTION_END
}
void Max7219(const uint8_t reg, const uint8_t data) {
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
MS_DELAY();
CRITICAL_SECTION_START
WRITE(MAX7219_LOAD_PIN, LOW); // begin
#ifdef CPU_32_BIT // The 32-bit processors are so fast, a small delay in the code is needed
delayMicroseconds(5); // to let the signal wires stabilize.
#endif
MS_DELAY();
Max7219_PutByte(reg); // specify register
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
MS_DELAY();
Max7219_PutByte(data); // put data
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
MS_DELAY();
WRITE(MAX7219_LOAD_PIN, LOW); // and tell the chip to load the data
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
MS_DELAY();
WRITE(MAX7219_LOAD_PIN, HIGH);
CRITICAL_SECTION_END
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
MS_DELAY();
}
void Max7219_LED_Set(const uint8_t row, const uint8_t col, const bool on) {