Better integration of SPI with DMA and IRQ. Using only 'End' IRQ. Perf could be improved by using 'Started' IRQ to prepare the next buffer while the current one is beeing sent.

1 files changed, 4 insertions, 10 deletions

diff --git a/src/drivers/St7789.cpp b/src/drivers/St7789.cpp
index 6b663132..39595dc9 100644
--- a/src/drivers/St7789.cpp
+++ b/src/drivers/St7789.cpp
@@ -37,8 +37,8 @@ void St7789::WriteData(uint8_t data) {
 }
 
 
-void St7789::WriteSpi(const uint8_t* data, size_t size, size_t repeat) {
-    spi.Write(data, size, repeat);
+void St7789::WriteSpi(const uint8_t* data, size_t size) {
+    spi.Write(data, size);
 }
 
 void St7789::SoftwareReset() {
@@ -142,12 +142,8 @@ void St7789::BeginDrawBuffer(uint16_t x, uint16_t y, uint16_t width, uint16_t he
   nrf_gpio_pin_set(pinDataCommand);
 }
 
-void St7789::EndDrawBuffer() {
-  spi.Wait();
-}
-
-void St7789::NextDrawBuffer(const uint8_t *data, size_t size, size_t repeat) {
-  WriteSpi(data, size, repeat);
+void St7789::NextDrawBuffer(const uint8_t *data, size_t size) {
+  WriteSpi(data, size);
 }
 
 void St7789::HardwareReset() {
@@ -178,5 +174,3 @@ void St7789::Wakeup() {
   NormalModeOn();
   DisplayOn();
 }
-
-