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optimized ra8876 pushpixels

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gemu2015 2021-05-01 09:55:26 +02:00
parent 95976a21fc
commit b3e69e71e5
1 changed files with 34 additions and 25 deletions
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59
lib/lib_display/Xlatb_RA8876-gemu-1.0/RA8876.cpp
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@ -939,35 +939,44 @@ void RA8876::setAddrWindow(uint16_t x0, uint16_t y0, uint16_t x1, uint16_t y1) {
SPI.endTransaction();
}
static inline void lvgl_color_swap1(uint16_t *data, uint16_t len) { for (uint32_t i = 0; i < len; i++) (data[i] = data[i] << 8 | data[i] >> 8); }
// pixel color is swapped in contrast to other controllers
void RA8876::pushColors(uint16_t *data, uint16_t len, boolean not_swapped) {
if (not_swapped == false) {
lvgl_color_swap1(data, len);
}
SPI.beginTransaction(m_spiSettings);
//RA8876_CS_LOW
while (len--) {
uint16_t color = *data++;
#if 0
SPI.transfer(RA8876_DATA_WRITE);
SPI.transfer(color&0xff);
SPI.transfer(RA8876_DATA_WRITE);
SPI.transfer(color>>8);
#else
//waitWriteFifo();
writeData(color&0xff);
//waitWriteFifo();
writeData(color>>8);
// coming from LVGL
#ifdef ESP32
SPI.beginTransaction(m_spiSettings);
RA8876_CS_LOW
SPI.write(RA8876_DATA_WRITE);
if (lvgl_param.use_dma) {
// will need swapping !
pushPixelsDMA(data, len);
} else {
SPI.writePixels(data, len * 2);
}
RA8876_CS_HIGH
SPI.endTransaction();
#endif
} else {
// coming from displaytext
SPI.beginTransaction(m_spiSettings);
RA8876_CS_LOW
SPI.transfer(RA8876_DATA_WRITE);
#ifdef ESP32
SPI.writeBytes((uint8_t*)data, len * 2);
#endif
#ifdef ESP8266
while (len--) {
uint16_t color = *data++;
SPI.write(color&0xff);
SPI.write(color>>8);
}
#endif
RA8876_CS_HIGH
SPI.endTransaction();
}
//RA8876_CS_HIGH
SPI.endTransaction();
}
void RA8876::drawPixel(int16_t x, int16_t y, uint16_t color) {
@ -1501,7 +1510,7 @@ bool RA8876::initDMA()
.cs_ena_posttrans = 0,
.clock_speed_hz = RA8876_SPI_SPEED,
.input_delay_ns = 0,
.spics_io_num = m_csPin,
.spics_io_num = -1,
.flags = SPI_DEVICE_NO_DUMMY, //0,
.queue_size = 1,
.pre_cb = 0, //dc_callback, //Callback to handle D/C line