void oledRefresh(void) {
/* Draw triangle in upper right corner */
oledInvertDebugLink();
const uint8_t *buffer = oledGetBuffer();
static uint32_t data[OLED_HEIGHT][OLED_WIDTH];
for (size_t i = 0; i < OLED_BUFSIZE; i++) {
int x = (OLED_BUFSIZE - 1 - i) % OLED_WIDTH;
int y = (OLED_BUFSIZE - 1 - i) / OLED_WIDTH * 8 + 7;
for (uint8_t shift = 0; shift < 8; shift++, y--) {
bool set = (buffer[i] >> shift) & 1;
data[y][x] = set ? 0xFFFFFFFF : 0xFF000000;
}
}
SDL_UpdateTexture(texture, NULL, data, OLED_WIDTH * sizeof(uint32_t));
SDL_RenderCopy(renderer, texture, NULL, NULL);
SDL_RenderPresent(renderer);
/* Return it back */
oledInvertDebugLink();
}
void oledRefresh() {
static const uint8_t s[3] = {OLED_SETLOWCOLUMN | 0x00,
OLED_SETHIGHCOLUMN | 0x00,
OLED_SETSTARTLINE | 0x00};
// draw triangle in upper right corner
oledInvertDebugLink();
gpio_clear(OLED_CS_PORT, OLED_CS_PIN); // SPI select
SPISend(SPI_BASE, s, 3);
gpio_set(OLED_CS_PORT, OLED_CS_PIN); // SPI deselect
gpio_set(OLED_DC_PORT, OLED_DC_PIN); // set to DATA
gpio_clear(OLED_CS_PORT, OLED_CS_PIN); // SPI select
SPISend(SPI_BASE, _oledbuffer, sizeof(_oledbuffer));
gpio_set(OLED_CS_PORT, OLED_CS_PIN); // SPI deselect
gpio_clear(OLED_DC_PORT, OLED_DC_PIN); // set to CMD
// return it back
oledInvertDebugLink();
}
