First code tested on the actual pinetime hardware

README.md

@@ -1,4 +1,4 @@
-# nrf52-baseproject
+# PineTime
 This is a CMake project that configure everything needed to build applications for the NRF52 MCU. It configures the toolchain (arm-none-eabi) and the NRF52 SDK.
 
 The CMake files are taken from https://github.com/Polidea/cmake-nRF5x

cmake-nRF5x/CMake_nRF5x.cmake

@@ -208,6 +208,8 @@ macro(nRF5x_setup)
             "${NRF5_SDK_PATH}/components/libraries/usbd/class/hid/mouse"
             "${NRF5_SDK_PATH}/components/libraries/usbd/class/msc"
             "${NRF5_SDK_PATH}/components/libraries/util"
+
+
     )
 
     # librarires sources
@@ -255,6 +257,21 @@ macro(nRF5x_setup)
             "${NRF5_SDK_PATH}/external/fprintf/nrf_fprintf_format.c"
             )
 
+    # LCD/GFX
+    include_directories(
+      "${NRF5_SDK_PATH}/external/thedotfactory_fonts"
+    )
+
+    list(APPEND SDK_SOURCE_FILES
+      "${NRF5_SDK_PATH}/components/libraries/gfx/nrf_gfx.c"
+      "${NRF5_SDK_PATH}/integration/nrfx/legacy/nrf_drv_spi.c"
+#      "${NRF5_SDK_PATH}/modules/nrfx/drivers/src/nrfx_spi.c"
+      "${NRF5_SDK_PATH}/modules/nrfx/drivers/src/nrfx_spim.c"
+      "${NRF5_SDK_PATH}/modules/nrfx/drivers/src/prs/nrfx_prs.c"
+
+      "${NRF5_SDK_PATH}/components/drivers_ext/st7735/st7735.c"
+      )
+
     #BLE S132
     include_directories(
       "${NRF5_SDK_PATH}/components/ble/common"

src/BlinkApp/BlinkApp.cpp

@@ -17,7 +17,9 @@ void BlinkApp::Process(void *instance) {
   NRF_LOG_INFO("BlinkApp task started!");
   while (1) {
     NRF_LOG_INFO("BlinkApp task running!");
-    bsp_board_led_invert(0);
+//    nrf_gpio_pin_toggle(22);
+//    nrf_gpio_pin_toggle(23);
+//    nrf_gpio_pin_toggle(14);
     vTaskDelay(1000);
   }
 }

src/drivers/st7789.cpp

@@ -0,0 +1,5 @@
+//
+// Created by jf on 12/2/19.
+//
+
+#include "st7789.h"

src/drivers/st7789.h

@@ -0,0 +1,14 @@
+//
+// Created by jf on 12/2/19.
+//
+
+#ifndef PINETIME_ST7789_H
+#define PINETIME_ST7789_H
+
+
+class st7789 {
+
+};
+
+
+#endif //PINETIME_ST7789_H

src/main.cpp

@@ -7,6 +7,8 @@
 #include <legacy/nrf_drv_clock.h>
 #include <libraries/timer/app_timer.h>
 #include <libraries/gpiote/app_gpiote.h>
+#include <libraries/gfx/nrf_lcd.h>
+#include "nrf_gfx.h"
 
 
 #if NRF_LOG_ENABLED
@@ -43,6 +45,25 @@ static void bsp_event_handler(bsp_event_t event)
   }
 }
 
+extern const nrf_lcd_t nrf_lcd_st7735;
+static nrf_lcd_t const * p_lcd = &nrf_lcd_st7735;
+static void gfx_initialization(void)
+{
+  nrf_gpio_cfg_output(14);
+  nrf_gpio_cfg_output(22);
+  nrf_gpio_cfg_output(23);
+  nrf_gpio_pin_clear(14);
+  nrf_gpio_pin_set(22);
+  nrf_gpio_pin_set(23);
+
+  APP_ERROR_CHECK(nrf_gfx_init(p_lcd));
+  nrf_gfx_rect_t rect;
+  rect.height = 10;
+  rect.width = 10;
+  rect.x = 10;
+  rect.y = 10;
+  nrf_gfx_rect_draw(p_lcd, &rect, 2, 0xffffffff, true);
+}
 
 void SystemTask(void *) {
   APP_GPIOTE_INIT(2);
@@ -51,6 +72,9 @@ void SystemTask(void *) {
   bsp_board_init(BSP_INIT_LEDS|BSP_INIT_BUTTONS);
   bsp_init(BSP_INIT_LEDS | BSP_INIT_BUTTONS, bsp_event_handler);
 
+  gfx_initialization();
+
+
   blinkApp.Start();
 
   while (1) {
@@ -58,6 +82,8 @@ void SystemTask(void *) {
   }
 }
 
+
+
 int main(void) {
   logger.Init();
   nrf_drv_clock_init();

src/sdk_config.h

@@ -4384,13 +4384,13 @@
 // <e> NRFX_SPIM_ENABLED - nrfx_spim - SPIM peripheral driver
 //==========================================================
 #ifndef NRFX_SPIM_ENABLED
-#define NRFX_SPIM_ENABLED 0
+#define NRFX_SPIM_ENABLED 1
 #endif
 // <q> NRFX_SPIM0_ENABLED  - Enable SPIM0 instance
- 
+
 
 #ifndef NRFX_SPIM0_ENABLED
-#define NRFX_SPIM0_ENABLED 0
+#define NRFX_SPIM0_ENABLED 1
 #endif
 
 // <q> NRFX_SPIM1_ENABLED  - Enable SPIM1 instance
@@ -4435,7 +4435,7 @@
 // <e> NRFX_SPIM_CONFIG_LOG_ENABLED - Enables logging in the module.
 //==========================================================
 #ifndef NRFX_SPIM_CONFIG_LOG_ENABLED
-#define NRFX_SPIM_CONFIG_LOG_ENABLED 0
+#define NRFX_SPIM_CONFIG_LOG_ENABLED 1
 #endif
 // <o> NRFX_SPIM_CONFIG_LOG_LEVEL  - Default Severity level
  
@@ -4575,7 +4575,7 @@
  
 // <0=> Default 
 // <1=> Black 
-// <2=> Red 
+// <2=> Red <
 // <3=> Green 
 // <4=> Yellow 
 // <5=> Blue 
@@ -6456,7 +6456,7 @@
 // <e> SPI_ENABLED - nrf_drv_spi - SPI/SPIM peripheral driver - legacy layer
 //==========================================================
 #ifndef SPI_ENABLED
-#define SPI_ENABLED 0
+#define SPI_ENABLED 1
 #endif
 // <o> SPI_DEFAULT_CONFIG_IRQ_PRIORITY  - Interrupt priority
  
@@ -6488,7 +6488,7 @@
 // <e> SPI0_ENABLED - Enable SPI0 instance
 //==========================================================
 #ifndef SPI0_ENABLED
-#define SPI0_ENABLED 0
+#define SPI0_ENABLED 1
 #endif
 // <q> SPI0_USE_EASY_DMA  - Use EasyDMA
  
@@ -8142,7 +8142,11 @@
  
 
 #ifndef NRF_GFX_ENABLED
-#define NRF_GFX_ENABLED 0
+#define NRF_GFX_ENABLED 1
+#endif
+
+#ifndef ST7735_ENABLED
+#define ST7735_ENABLED 1
 #endif
 
 // <q> NRF_MEMOBJ_ENABLED  - nrf_memobj - Linked memory allocator module
@@ -9617,7 +9621,7 @@
 // <e> SPI_CONFIG_LOG_ENABLED - Enables logging in the module.
 //==========================================================
 #ifndef SPI_CONFIG_LOG_ENABLED
-#define SPI_CONFIG_LOG_ENABLED 0
+#define SPI_CONFIG_LOG_ENABLED 1
 #endif
 // <o> SPI_CONFIG_LOG_LEVEL  - Default Severity level
  
@@ -12933,6 +12937,106 @@
 #endif
 
 
-// <<< end of configuration section >>>
-#endif //SDK_CONFIG_H
 
+
+// <o> ST7735_SCK_PIN - Pin number  <0-47>
+
+
+#ifndef ST7735_SCK_PIN
+#define ST7735_SCK_PIN 2
+#endif
+
+// <o> ST7735_MISO_PIN - Pin number  <0-47>
+
+
+#ifndef ST7735_MISO_PIN
+#define ST7735_MISO_PIN 4
+#endif
+
+// <o> ST7735_MOSI_PIN - Pin number  <0-47>
+
+
+#ifndef ST7735_MOSI_PIN
+#define ST7735_MOSI_PIN 3
+#endif
+
+// <o> ST7735_SS_PIN - Pin number  <0-47>
+
+
+#ifndef ST7735_SS_PIN
+#define ST7735_SS_PIN 25
+#endif
+
+// <o> ST7735_IRQ_PRIORITY  - Interrupt priority
+
+
+// <i> Priorities 0,2 (nRF51) and 0,1,4,5 (nRF52) are reserved for SoftDevice
+// <0=> 0 (highest)
+// <1=> 1
+// <2=> 2
+// <3=> 3
+// <4=> 4
+// <5=> 5
+// <6=> 6
+// <7=> 7
+
+#ifndef ST7735_IRQ_PRIORITY
+#define ST7735_IRQ_PRIORITY 3
+#endif
+
+// </h>
+//==========================================================
+
+
+// <o> ST7735_SPI_INSTANCE
+
+// <0=> 0
+// <1=> 1
+// <2=> 2
+
+#ifndef ST7735_SPI_INSTANCE
+#define ST7735_SPI_INSTANCE 0
+#endif
+
+#ifndef ST7735_SPI_MODE
+#define ST7735_SPI_MODE 3
+#endif
+
+#ifndef ST7735_SPI_FREQUENCY
+#define ST7735_SPI_FREQUENCY 8000000
+#endif
+
+// <o> ST7735_TAB_COLOR  - Color of the tab attached to the screen.
+
+// <0=> INITR_GREENTAB
+// <1=> INITR_REDTAB
+// <2=> INITR_BLACKTAB
+// <3=> INITR_144GREENTAB
+
+#ifndef ST7735_TAB_COLOR
+#define ST7735_TAB_COLOR 2
+#endif
+
+// <o> ST7735_DC_PIN - Pin number  <0-47>
+
+
+#ifndef ST7735_DC_PIN
+#define ST7735_DC_PIN 18
+#endif
+
+// <o> ST7735_HEIGHT - ST7735 height  <0-162>
+
+
+#ifndef ST7735_HEIGHT
+#define ST7735_HEIGHT 160
+#endif
+
+// <o> ST7735_WIDTH - ST7735 width  <0-132>
+
+
+#ifndef ST7735_WIDTH
+#define ST7735_WIDTH 128
+#endif
+
+// <<< end of configuration section >>>
+#endif //SDK_CONFIG_H