From a258a406815c510f6942775a1c45e2e94d7907dd Mon Sep 17 00:00:00 2001
From: Andrew Tridgell <andrew@tridgell.net>
Date: Tue, 4 Oct 2022 18:10:18 +1100
Subject: [PATCH] hwdef: added warning messages about flash size

---
 libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1-1M/hwdef.dat | 3 +++
 libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1/hwdef.dat    | 4 ++++
 libraries/AP_HAL_ChibiOS/hwdef/fmuv2/hwdef.dat       | 3 +++
 libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat       | 3 +++
 4 files changed, 13 insertions(+)

diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1-1M/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1-1M/hwdef.dat
index 10a2847cb0..c9fb1f5180 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1-1M/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1-1M/hwdef.dat
@@ -10,3 +10,6 @@ include ../include/minimal_GPS.inc
 FLASH_SIZE_KB 1024
 define HAL_MINIMIZE_FEATURES 1
 undef STORAGE_FLASH_PAGE
+
+# produce this error if we are on a 2M board and using 1M firmware
+define BOARD_CHECK_F427_USE_2M "2M flash - use Pixhawk1 firmware"
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1/hwdef.dat
index 1f8f36a244..59759bd34a 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/Pixhawk1/hwdef.dat
@@ -33,3 +33,7 @@ COMPASS LSM303D SPI:lsm9ds0_am ROTATION_NONE
 
 # also probe for external compasses
 define HAL_PROBE_EXTERNAL_I2C_COMPASSES
+
+# produce this error if we are on a 1M board
+undef BOARD_CHECK_F427_USE_1M
+define BOARD_CHECK_F427_USE_1M "ERROR: 1M flash use Pixhawk1-1M"
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/fmuv2/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/fmuv2/hwdef.dat
index 4dc49ae514..f58c1332ab 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/fmuv2/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/fmuv2/hwdef.dat
@@ -16,3 +16,6 @@ undef STORAGE_FLASH_PAGE
 
 # minimal drivers to reduce flash usage
 include ../include/minimal.inc
+
+# produce this error if we are on a 2M board and using 1M firmware
+define BOARD_CHECK_F427_USE_2M "2M flash - use fmuv3 firmware"
diff --git a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
index 183f6c4a97..5e330b8425 100644
--- a/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
+++ b/libraries/AP_HAL_ChibiOS/hwdef/fmuv3/hwdef.dat
@@ -472,3 +472,6 @@ ROMFS io_firmware.bin Tools/IO_Firmware/iofirmware_lowpolh.bin
 # for users running fmuv3 on their Solo:
 define HAL_OREO_LED_ENABLED (BOARD_FLASH_SIZE > 1024)
 define HAL_SOLO_GIMBAL_ENABLED (HAL_MOUNT_ENABLED && BOARD_FLASH_SIZE > 1024)
+
+# produce this error if we are on a 1M board
+define BOARD_CHECK_F427_USE_1M "ERROR: 1M flash use fmuv2"