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pico-led-matrix
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firmware: poc2

main
radex 2024-03-23 17:32:15 +01:00
parent cfb1cda066
commit 35a37f0372
Signed by: radex
SSH Key Fingerprint: SHA256:hvqRXAGG1h89yqnS+cyFTLKQbzjWD4uXIqw7Y+0ws30
1 changed files with 50 additions and 66 deletions
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116
firmware/src/main.cpp
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@ -13,7 +13,34 @@
#define ROW_SRCLR 4
#define ROW_COUNT 24
#define COL_COUNT 14
#define COL_COUNT 21
uint32_t demo_pic[ROW_COUNT] = {
0b111011001001111011110,
0b010010101010000010000,
0b010010101001110011100,
0b010010011000001010000,
0b111010001011110011110,
0b000000000000000000000,
0b111001110001110001100,
0b100100100001001010010,
0b111000100001110011110,
0b100100100001001010010,
0b100100100001110010010,
0b000000000000000000000,
0b111000001100111001000,
0b100100010010100101000,
0b100100011110111001000,
0b100100010010100001000,
0b111000010010100001110,
0b000000000000000000000,
0b111100100101110111000,
0b100000100101000100100,
0b111000111101100111000,
0b100000100101000100100,
0b111100100101110100100,
0b000000000000000000000,
};
void printOut() {
Serial.println("------");
@ -93,24 +120,7 @@ void setup() {
digitalWrite(ROW_OE, LOW);
printOut();
digitalWrite(ROW_SER, HIGH);
digitalWrite(ROW_SRCLK, HIGH);
digitalWrite(ROW_SRCLK, LOW);
digitalWrite(ROW_SER, LOW);
digitalWrite(ROW_RCLK, HIGH);
digitalWrite(ROW_RCLK, LOW);
digitalWrite(COL_SER, HIGH);
digitalWrite(COL_SRCLK, HIGH);
digitalWrite(COL_SRCLK, LOW);
digitalWrite(COL_SER, LOW);
digitalWrite(COL_SRCLK, HIGH);
digitalWrite(COL_SRCLK, LOW);
digitalWrite(COL_RCLK, HIGH);
digitalWrite(COL_RCLK, LOW);
// printOut();
}
void loop() {
@ -119,6 +129,8 @@ void loop() {
printOut();
}
auto b4 = millis();
// clear columns
digitalWrite(COL_SRCLR, LOW);
digitalWrite(COL_SRCLK, HIGH);
@ -128,64 +140,36 @@ void loop() {
// start selecting columns
digitalWrite(COL_SER, HIGH);
for (int y = 0; y < COL_COUNT; y++) {
for (int x = 0; x < COL_COUNT; x++) {
// next column
digitalWrite(COL_SRCLK, HIGH);
digitalWrite(COL_SRCLK, LOW);
// only one column
digitalWrite(COL_SER, LOW);
// we use 7/8 stages on shift registers for columns
if (y % 7 == 0) {
if (x % 7 == 0) {
digitalWrite(COL_SRCLK, HIGH);
digitalWrite(COL_SRCLK, LOW);
}
// clear rows
digitalWrite(ROW_SRCLR, LOW);
digitalWrite(ROW_SRCLK, HIGH);
digitalWrite(ROW_SRCLK, LOW);
digitalWrite(ROW_SRCLR, HIGH);
// latch cleared row
digitalWrite(ROW_RCLK, HIGH);
digitalWrite(ROW_RCLK, LOW);
// set column with rows' data
for (int y = 0; y < ROW_COUNT; y++) {
// get value
bool pxValue = demo_pic[ROW_COUNT - 1 - y] & (1 << ((COL_COUNT - 1) - x));
digitalWrite(ROW_SER, pxValue);
// push value
digitalWrite(ROW_SRCLK, HIGH);
digitalWrite(ROW_SRCLK, LOW);
}
// disable rows before latch
digitalWrite(ROW_OE, HIGH);
// latch column
digitalWrite(COL_RCLK, HIGH);
digitalWrite(COL_RCLK, LOW);
// start selecting rows
digitalWrite(ROW_SER, HIGH);
for (int x = 0; x < ROW_COUNT; x++) {
// next row
digitalWrite(ROW_SRCLK, HIGH);
digitalWrite(ROW_SRCLK, LOW);
// only one row
digitalWrite(ROW_SER, LOW);
// latch
digitalWrite(ROW_RCLK, HIGH);
digitalWrite(ROW_RCLK, LOW);
// delay
// delay(1);
}
// latch rows
digitalWrite(ROW_RCLK, HIGH);
digitalWrite(ROW_RCLK, LOW);
// enable rows after latch
digitalWrite(ROW_OE, LOW);
}
// if (c == '1') {
// digitalWrite(SER, !digitalRead(SER));
// printOut();
// } else if (c == '2') {
// digitalWrite(OE, !digitalRead(OE));
// printOut();
// } else if (c == '3') {
// digitalWrite(RCLK, HIGH);
// digitalWrite(RCLK, LOW);
// printOut();
// } else if (c == '4') {
// digitalWrite(SRCLK, HIGH);
// digitalWrite(SRCLK, LOW);
// printOut();
// } else if (c == '5') {
// digitalWrite(SRCLR, !digitalRead(SRCLR));
// printOut();
// }
}