OpenOCD + GDB

mcu/.gdbinit

@@ -0,0 +1,4 @@
+target extended-remote localhost:3333
+monitor arm semihosting enable
+monitor reset init
+monitor debug_level -2

mcu/.gitignore

@@ -1 +1,2 @@
 /build/
+/build-release/

mcu/CMakeLists.txt

@@ -6,14 +6,14 @@ include(pico_sdk_import.cmake)
 project(test_project C CXX ASM)
 set(CMAKE_C_STANDARD 11)
 set(CMAKE_CXX_STANDARD 17)
-set(CMAKE_C_COMPILER_WORKS ON)
-set(CMAKE_CXX_COMPILER_WORKS ON)
 pico_sdk_init()
 
 add_executable(qclk
   main.c
 )
+
 pico_enable_stdio_usb(qclk 1)
-pico_enable_stdio_uart(qclk 1)
+pico_enable_stdio_uart(qclk 0)
+
 pico_add_extra_outputs(qclk)
 target_link_libraries(qclk pico_stdlib)

mcu/main.c

@@ -1,13 +1,16 @@
 #include <stdio.h>
-#include "pico/stdlib.h"
+
 #include "hardware/gpio.h"
+#include "pico/stdlib.h"
 #include "pico/binary_info.h"
 
-const uint LED_PIN = 25;
+const uint PIN_DIGIT_BASE = 18;
+const uint PIN_SEGMENT_BASE = 2;
+
+const uint DIGITS = 4;
 
 int main() {
-  bi_decl(bi_program_description("This is a test binary."));
-  bi_decl(bi_1pin_with_name(LED_PIN, "On-board LED"));
+  bi_decl(bi_program_description("qCLK driver."));
 
   stdio_init_all();
 

mcu/tigard-swd.cfg

@@ -0,0 +1,8 @@
+adapter driver ftdi
+transport select swd
+ftdi_vid_pid 0x0403 0x6010
+ftdi_channel 1
+adapter speed 2000
+ftdi_layout_init 0x0028 0x002b
+ftdi_layout_signal SWD_EN -data 0
+ftdi_layout_signal nSRST -data 0x0020