Get FolgerTech i3-2020 working again with 32-bit platforms (#7944)

Setup FolgerTech i3-2020 Configuration files as a reference platform for
32-Bit work.

Also fix MAX7219 debug lights on 32-bit platforms.
This commit is contained in:
Roxy-3D
2017-10-11 15:23:04 -05:00
committed by GitHub
parent e9cf9ad3f3
commit 0e260c6c1d
3 changed files with 47 additions and 17 deletions

View File

@ -63,18 +63,38 @@ static uint8_t LEDs[8] = { 0 };
void Max7219_PutByte(uint8_t data) {
for (uint8_t i = 8; i--;) {
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
#ifdef CPU_32_BIT // The 32-bit processors are so fast, a small delay in the code is needed
// 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
data <<= 1;
}
}
void Max7219(const uint8_t reg, const uint8_t data) {
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
Max7219_PutByte(reg); // specify register
Max7219_PutByte(data); // put data
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
WRITE(MAX7219_LOAD_PIN, LOW); // and tell the chip to load the data
#ifdef CPU_32_BIT
delayMicroseconds(5);
#endif
WRITE(MAX7219_LOAD_PIN, HIGH);
}
@ -135,6 +155,7 @@ void Max7219_init() {
SET_OUTPUT(MAX7219_CLK_PIN);
OUT_WRITE(MAX7219_LOAD_PIN, HIGH);
delay(1);
//initiation of the max 7219
Max7219(max7219_reg_scanLimit, 0x07);
@ -187,9 +208,13 @@ void Max7219_init() {
void Max7219_idle_tasks() {
#if ENABLED(MAX7219_DEBUG_PRINTER_ALIVE)
static int debug_cnt = 0;
if (debug_cnt++ > 100) {
Max7219_LED_Toggle(7, 7);
debug_cnt = 0;
#ifdef CPU_32_BIT
if (debug_cnt++ > 400) {
#else
if (debug_cnt++ > 100) {
#endif
Max7219_LED_Toggle(7, 7);
debug_cnt = 0;
}
#endif