Better startup stability for PicoGUS 2.0 boards

polpo · Nov 16, 2023 · 303d1f4 · 303d1f4
1 parent 49e2a45
commit 303d1f4
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Showing 3 changed files with 18 additions and 2 deletions.
diff --git a/sw/CMakeLists.txt b/sw/CMakeLists.txt
@@ -20,6 +20,9 @@ project(picogus
     LANGUAGES C CXX ASM
 )
 
+set(PICO_BOARD_HEADER_DIRS ${CMAKE_CURRENT_LIST_DIR})
+set(PICO_BOARD picogus2)
+
 # set(PICO_DEOPTIMIZED_DEBUG "1")
 set(CMAKE_BUILD_TYPE "Release")
 set(PICO_COPY_TO_RAM 1)

diff --git a/sw/picogus.cpp b/sw/picogus.cpp
@@ -602,12 +602,12 @@ int main()
     }
     gpio_set_mask(LED_PIN);
     printf("Waiting for board to stabilize... ");
-    busy_wait_ms(500);
+    busy_wait_ms(250);
     // Overclock!
     printf("Overclocking... ");
     vreg_set_voltage(VREG_VOLTAGE_1_30);
     // vreg_set_voltage(VREG_VOLTAGE_1_15);
-    busy_wait_ms(500);
+    busy_wait_ms(250);
     set_sys_clock_khz(rp2_clock, true);
     gpio_xor_mask(LED_PIN);
 #ifdef ASYNC_UART

diff --git a/sw/picogus2.h b/sw/picogus2.h
@@ -0,0 +1,13 @@
+// Board config file for PicoGUS 2.0, also compatible with the Pi Pico 
+
+#ifndef _BOARDS_PICOGUS2_H
+#define _BOARDS_PICOGUS2_H
+
+// Allow extra time for xosc to start.
+#define PICO_XOSC_STARTUP_DELAY_MULTIPLIER 64
+
+// Slower flash to assist restarts when flashing on the fly
+#define PICO_FLASH_SPI_CLKDIV 4
+
+#include "boards/pico.h"
+#endif