Power optimization - Improve SPI sleep mode

ST7789 driver : replace the constant '26' with a named constant to specify the pin number of the reset pin of the LCD controller.

1 files changed, 6 insertions, 6 deletions

diff --git a/src/drivers/St7789.cpp b/src/drivers/St7789.cpp
index e18c43a3..7855bc31 100644
--- a/src/drivers/St7789.cpp
+++ b/src/drivers/St7789.cpp
@@ -6,13 +6,13 @@
 
 using namespace Pinetime::Drivers;
 
-St7789::St7789(Spi& spi, uint8_t pinDataCommand) : spi {spi}, pinDataCommand {pinDataCommand} {
+St7789::St7789(Spi& spi, uint8_t pinDataCommand, uint8_t pinReset) : spi {spi}, pinDataCommand {pinDataCommand}, pinReset{pinReset} {
 }
 
 void St7789::Init() {
   nrf_gpio_cfg_output(pinDataCommand);
-  nrf_gpio_cfg_output(26);
-  nrf_gpio_pin_set(26);
+  nrf_gpio_cfg_output(pinReset);
+  nrf_gpio_pin_set(pinReset);
   HardwareReset();
   SoftwareReset();
   SleepOut();
@@ -178,15 +178,15 @@ void St7789::DrawBuffer(uint16_t x, uint16_t y, uint16_t width, uint16_t height,
 }
 
 void St7789::HardwareReset() {
-  nrf_gpio_pin_clear(26);
+  nrf_gpio_pin_clear(pinReset);
   nrf_delay_ms(10);
-  nrf_gpio_pin_set(26);
+  nrf_gpio_pin_set(pinReset);
 }
 
 void St7789::Sleep() {
   SleepIn();
   nrf_gpio_cfg_default(pinDataCommand);
-  nrf_gpio_cfg_default(26);
+  nrf_gpio_cfg_default(pinReset);
   NRF_LOG_INFO("[LCD] Sleep");
 }