Skip to content

Arduino_LED_Matrix: add const to matrixWrite #267

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
pillo79 merged 1 commit into from
Dec 18, 2025
+6 −6
Merged

Arduino_LED_Matrix: add const to matrixWrite #267

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions libraries/Arduino_LED_Matrix/src/Arduino_LED_Matrix.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -4,10 +4,10 @@
extern "C" {
void matrixBegin(void);
void matrixEnd(void);
void matrixPlay(uint8_t *buf, uint32_t len);
void matrixPlay(const uint8_t *buf, uint32_t len);
void matrixSetGrayscaleBits(uint8_t _max);
void matrixGrayscaleWrite(uint8_t *buf);
void matrixWrite(uint32_t *buf);
void matrixGrayscaleWrite(const uint8_t *buf);
void matrixWrite(const uint32_t *buf);
};

#if __has_include("ArduinoGraphics.h")
Expand Down
6 changes: 3 additions & 3 deletions loader/matrix.inc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -163,12 +163,12 @@ static void timer_irq_handler_fn(const struct device *counter_dev, void *user_da
i_isr = (i_isr + 1) % NUM_MATRIX_LEDS;
}

void matrixWrite(uint32_t* buf) {
void matrixWrite(const uint32_t* buf) {
memcpy(framebuffer, buf, NUM_MATRIX_LEDS/8);
color = false;
}

void matrixGrayscaleWrite(uint8_t* buf) {
void matrixGrayscaleWrite(const uint8_t* buf) {
memcpy(framebuffer_color, buf, NUM_MATRIX_LEDS);
color = true;
}
Expand Down Expand Up @@ -201,7 +201,7 @@ void matrixEnd() {
}


void matrixPlay(uint8_t* buf, uint32_t len) {
void matrixPlay(const uint8_t* buf, uint32_t len) {
int i = 0;
while (i < (len / 104)) {
matrixGrayscaleWrite(&buf[i*104]);
Expand Down
Loading