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esp32-s2_dfu
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Merge remote-tracking branch 'upstream/master' into edpt_ISO_xfer

This commit is contained in:
Reinhard Panhuber 2021-01-18 17:16:25 +01:00
parent dff588d772 7aaccd94d2
commit 15152b62ce
20 changed files with 122 additions and 154 deletions
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3
.gitmodules vendored
View File

@ -109,3 +109,6 @@
[submodule "lib/CMSIS_5"]
path = lib/CMSIS_5
url = https://github.com/ARM-software/CMSIS_5.git
[submodule "lib/sct_neopixel"]
path = lib/sct_neopixel
url = https://github.com/gsteiert/sct_neopixel

5
examples/make.mk
View File

@ -34,9 +34,14 @@ CXX = $(CROSS_COMPILE)g++
OBJCOPY = $(CROSS_COMPILE)objcopy
SIZE = $(CROSS_COMPILE)size
MKDIR = mkdir
ifeq ($(CMDEXE),1)
CP = copy
RM = del
else
SED = sed
CP = cp
RM = rm
endif
#-------------- Source files and compiler flags --------------

15
examples/rules.mk
View File

@ -81,7 +81,11 @@ uf2: $(BUILD)/$(BOARD)-firmware.uf2
OBJ_DIRS = $(sort $(dir $(OBJ)))
$(OBJ): | $(OBJ_DIRS)
$(OBJ_DIRS):
ifeq ($(CMDEXE),1)
@$(MKDIR) $(subst /,\,$@)
else
@$(MKDIR) -p $@
endif
$(BUILD)/$(BOARD)-firmware.elf: $(OBJ)
@echo LINK $@
@ -107,13 +111,6 @@ vpath %.c . $(TOP)
$(BUILD)/obj/%.o: %.c
@echo CC $(notdir $@)
@$(CC) $(CFLAGS) -c -MD -o $@ $<
@# The following fixes the dependency file.
@# See http://make.paulandlesley.org/autodep.html for details.
@# Regex adjusted from the above to play better with Windows paths, etc.
@$(CP) $(@:.o=.d) $(@:.o=.P); \
$(SED) -e 's/#.*//' -e 's/^.*: *//' -e 's/ *\\$$//' \
-e '/^$$/ d' -e 's/$$/ :/' < $(@:.o=.d) >> $(@:.o=.P); \
$(RM) $(@:.o=.d)
# ASM sources lower case .s
vpath %.s . $(TOP)
@ -134,7 +131,11 @@ size: $(BUILD)/$(BOARD)-firmware.elf
.PHONY: clean
clean:
ifeq ($(CMDEXE),1)
rd /S /Q $(subst /,\,$(BUILD))
else
$(RM) -rf $(BUILD)
endif
# Print out the value of a make variable.
# https://stackoverflow.com/questions/16467718/how-to-print-out-a-variable-in-makefile

6
hw/bsp/adafruit_clue/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld

6
hw/bsp/arduino_nano33_ble/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
#LD_FILE = hw/bsp/$(BOARD)/linker_script.ld

6
hw/bsp/circuitplayground_bluefruit/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld

2
hw/bsp/da14695_dk_usb/board.mk
View File

@ -21,7 +21,7 @@ SRC_C += \
$(MCU_FAMILY_DIR)/src/da1469x_clock.c \
$(MCU_FAMILY_DIR)/src/hal_gpio.c \
SRC_S += $(TOP)/hw/bsp/$(BOARD)/gcc_startup_da1469x.S
SRC_S += hw/bsp/$(BOARD)/gcc_startup_da1469x.S
INC += \
$(TOP)/hw/bsp/$(BOARD) \

2
hw/bsp/da1469x_dk_pro/board.mk
View File

@ -21,7 +21,7 @@ SRC_C += \
$(MCU_FAMILY_DIR)/src/da1469x_clock.c \
$(MCU_FAMILY_DIR)/src/hal_gpio.c \
SRC_S += $(TOP)/hw/bsp/$(BOARD)/gcc_startup_da1469x.S
SRC_S += hw/bsp/$(BOARD)/gcc_startup_da1469x.S
INC += \
$(TOP)/hw/bsp/$(BOARD) \

6
hw/bsp/double_m33_express/board.mk
View File

@ -25,9 +25,13 @@ SRC_C += \
$(MCU_DIR)/drivers/fsl_power.c \
$(MCU_DIR)/drivers/fsl_reset.c \
$(MCU_DIR)/drivers/fsl_usart.c \
$(MCU_DIR)/drivers/fsl_flexcomm.c
$(MCU_DIR)/drivers/fsl_flexcomm.c \
lib/sct_neopixel/sct_neopixel.c
INC += \
$(TOP)/hw/bsp/ \
$(TOP)/hw/bsp/$(BOARD) \
$(TOP)/lib/sct_neopixel \
$(TOP)/$(MCU_DIR)/../../CMSIS/Include \
$(TOP)/$(MCU_DIR) \
$(TOP)/$(MCU_DIR)/drivers

161
hw/bsp/double_m33_express/double_m33_express.c
View File

@ -29,7 +29,9 @@
#include "fsl_gpio.h"
#include "fsl_power.h"
#include "fsl_iocon.h"
#include "fsl_usart.h"
#include "fsl_sctimer.h"
#include "sct_neopixel.h"
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
@ -60,6 +62,8 @@ void USB1_IRQHandler(void)
#define NEOPIXEL_NUMBER 2
#define NEOPIXEL_PORT 0
#define NEOPIXEL_PIN 27
#define NEOPIXEL_CH 6
#define NEOPIXEL_TYPE 0
// UART
#define UART_DEV USART0
@ -80,143 +84,9 @@ void USB1_IRQHandler(void)
#define IOCON_PIO_DIG_FUNC4_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC4) /*!<@brief Digital pin function 2 enabled */
#define IOCON_PIO_DIG_FUNC7_EN (IOCON_PIO_DIGITAL_EN | IOCON_PIO_FUNC7) /*!<@brief Digital pin function 2 enabled */
//--------------------------------------------------------------------+
// Neopixel Driver
//--------------------------------------------------------------------+
#define NEO_SCT SCT0
#define NEO_MATCH_PERIOD 0
#define NEO_MATCH_0 1
#define NEO_MATCH_1 2
#define NEO_EVENT_RISE 2
#define NEO_EVENT_FALL_0 0
#define NEO_EVENT_FALL_1 1
#define NEO_EVENT_NEXT 3
#define NEO_EVENT_START 4
#define NEO_SCT_OUTPUT 6
#define NEO_STATE_IDLE 24
//#define NEO_ARRAY_SIZE (3 * NEOPIXEL_NUMBER)
//volatile uint32_t _neopixel_array[NEO_ARRAY_SIZE] = {0x10, 0x20, 0x30, 0x40, 0x50, 0x60};
volatile uint32_t _neopixel_array[NEOPIXEL_NUMBER] = {0x404040, 0x202020};
volatile uint32_t _neopixel_count = 0;
void neopixel_int_handler(void){
uint32_t eventFlag = NEO_SCT->EVFLAG;
if (eventFlag & (1 << NEO_EVENT_NEXT)) {
_neopixel_count += 1;
if (_neopixel_count < (NEOPIXEL_NUMBER)) {
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
}
NEO_SCT->EVFLAG = eventFlag;
}
void SCT0_DriverIRQHandler(void){
neopixel_int_handler();
SDK_ISR_EXIT_BARRIER;
}
void neopixel_set(uint32_t pixel, uint32_t color){
if (pixel < NEOPIXEL_NUMBER) {
_neopixel_array[pixel] = color;
}
}
void neopixel_update(void){
// while (NEO_SCT->CTRL & SCT_CTRL_HALT_L_MASK);
_neopixel_count = 0;
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]);
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
/*
void neopixel_int_handler(void){
uint32_t eventFlag = NEO_SCT->EVFLAG;
// if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEO_ARRAY_SIZE))) {
// NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[_neopixel_count]);
if ((eventFlag & (1 << NEO_EVENT_NEXT)) && (_neopixel_count < (NEOPIXEL_NUMBER))) {
_neopixel_count += 1;
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[_neopixel_count]);
NEO_SCT->EVFLAG = eventFlag;
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
} else {
NEO_SCT->EVFLAG = eventFlag;
}
}
void SCT0_DriverIRQHandler(void){
neopixel_int_handler();
SDK_ISR_EXIT_BARRIER;
}
void neopixel_update(uint32_t pixel, uint32_t color){
if (pixel < NEOPIXEL_NUMBER) {
_neopixel_array[pixel] = color;
_neopixel_count = 0;
// NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFF & (~_neopixel_array[0]);
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0xFFFFFF & (~_neopixel_array[0]);
NEO_SCT->CTRL &= ~(SCT_CTRL_HALT_L_MASK);
}
}
*/
void neopixel_init(void) {
CLOCK_EnableClock(kCLOCK_Sct0);
RESET_PeripheralReset(kSCT0_RST_SHIFT_RSTn);
NEO_SCT->CONFIG = (
SCT_CONFIG_UNIFY(1) |
SCT_CONFIG_CLKMODE(kSCTIMER_System_ClockMode) |
SCT_CONFIG_NORELOAD_L(1) );
NEO_SCT->CTRL = (
SCT_CTRL_HALT_L(1) |
SCT_CTRL_CLRCTR_L(1) );
NEO_SCT->MATCH[NEO_MATCH_PERIOD] = 120;
NEO_SCT->MATCH[NEO_MATCH_0] = 30;
NEO_SCT->MATCH[NEO_MATCH_1] = 60;
NEO_SCT->EV[NEO_EVENT_START].STATE = (1 << NEO_STATE_IDLE);
NEO_SCT->EV[NEO_EVENT_START].CTRL = (
kSCTIMER_OutputLowEvent | SCT_EV_CTRL_IOSEL(NEO_SCT_OUTPUT) |
SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(23));
// NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFE;
NEO_SCT->EV[NEO_EVENT_RISE].STATE = 0xFFFFFE;
NEO_SCT->EV[NEO_EVENT_RISE].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) |
SCT_EV_CTRL_STATELD(0) | SCT_EV_CTRL_STATEV(31));
NEO_SCT->EV[NEO_EVENT_FALL_0].STATE = 0x0;
NEO_SCT->EV[NEO_EVENT_FALL_0].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_0) |
SCT_EV_CTRL_STATELD(0) );
// NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFF;
NEO_SCT->EV[NEO_EVENT_FALL_1].STATE = 0xFFFFFF;
NEO_SCT->EV[NEO_EVENT_FALL_1].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_1) |
SCT_EV_CTRL_STATELD(0) );
NEO_SCT->EV[NEO_EVENT_NEXT].STATE = 0x1;
NEO_SCT->EV[NEO_EVENT_NEXT].CTRL = (
kSCTIMER_MatchEventOnly | SCT_EV_CTRL_MATCHSEL(NEO_MATCH_PERIOD) |
SCT_EV_CTRL_STATELD(1) | SCT_EV_CTRL_STATEV(NEO_STATE_IDLE));
NEO_SCT->LIMIT = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE) | (1 << NEO_EVENT_NEXT);
NEO_SCT->HALT = (1 << NEO_EVENT_NEXT);
NEO_SCT->START = (1 << NEO_EVENT_START);
NEO_SCT->OUT[NEO_SCT_OUTPUT].SET = (1 << NEO_EVENT_START) | (1 << NEO_EVENT_RISE);
NEO_SCT->OUT[NEO_SCT_OUTPUT].CLR = (1 << NEO_EVENT_FALL_0) | (1 << NEO_EVENT_FALL_1) | (1 << NEO_EVENT_NEXT);
NEO_SCT->STATE = NEO_STATE_IDLE;
NEO_SCT->OUTPUT = 0x0;
NEO_SCT->RES = SCT_RES_O6RES(0x2);
NEO_SCT->EVEN = (1 << NEO_EVENT_NEXT);
EnableIRQ(SCT0_IRQn);
neopixel_set(0, 0x101000);
neopixel_set(1, 0x101000);
neopixel_update();
}
// Global Variables
uint32_t pixelData[NEOPIXEL_NUMBER];
/****************************************************************
name: BOARD_BootClockFROHF96M
@ -282,7 +152,12 @@ void board_init(void)
/* PORT0 PIN27 configured as SCT0_OUT6 */
IOCON_PinMuxSet(IOCON, NEOPIXEL_PORT, NEOPIXEL_PIN, IOCON_PIO_DIG_FUNC4_EN);
neopixel_init();
sctpix_init(NEOPIXEL_TYPE);
sctpix_addCh(NEOPIXEL_CH, pixelData, NEOPIXEL_NUMBER);
sctpix_setPixel(NEOPIXEL_CH, 0, 0x100010);
sctpix_setPixel(NEOPIXEL_CH, 1, 0x100010);
sctpix_show();
// Button
/* PORT0 PIN5 configured as PIO0_5 */
@ -302,7 +177,7 @@ void board_init(void)
CLOCK_AttachClk(kFRO12M_to_FLEXCOMM0);
usart_config_t uart_config;
USART_GetDefaultConfig(&uart_config);
uart_config.baudRate_Bps = BOARD_UART_BAUDRATE;
uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE;
uart_config.enableTx = true;
uart_config.enableRx = true;
USART_Init(UART_DEV, &uart_config, 12000000);
@ -359,13 +234,13 @@ void board_led_write(bool state)
{
GPIO_PinWrite(GPIO, LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
if (state) {
neopixel_set(0, 0x100000);
neopixel_set(1, 0x101010);
sctpix_setPixel(NEOPIXEL_CH, 0, 0x100000);
sctpix_setPixel(NEOPIXEL_CH, 1, 0x101010);
} else {
neopixel_set(0, 0x001000);
neopixel_set(1, 0x000010);
sctpix_setPixel(NEOPIXEL_CH, 0, 0x001000);
sctpix_setPixel(NEOPIXEL_CH, 1, 0x000010);
}
neopixel_update();
sctpix_show();
}
uint32_t board_button_read(void)

6
hw/bsp/feather_nrf52840_express/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld

6
hw/bsp/feather_nrf52840_sense/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld

6
hw/bsp/itsybitsy_nrf52840/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/nrf52840_s140_v6.ld

6
hw/bsp/nrf52840_mdk_dongle/board.mk
View File

@ -13,9 +13,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/$(BOARD).ld

6
hw/bsp/pca10056/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld

6
hw/bsp/pca10059/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/bsp/$(BOARD)/$(BOARD).ld

6
hw/bsp/pca10100/board.mk
View File

@ -14,9 +14,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52833_xxaa.ld

6
hw/bsp/raytac_mdbt50q_rx/board.mk
View File

@ -13,9 +13,15 @@ CFLAGS += -Wno-error=undef -Wno-error=unused-parameter -Wno-error=cast-align
# due to tusb_hal_nrf_power_event
GCCVERSION = $(firstword $(subst ., ,$(shell arm-none-eabi-gcc -dumpversion)))
ifeq ($(CMDEXE),1)
ifeq ($(shell if $(GCCVERSION) geq 8 echo 1), 1)
CFLAGS += -Wno-error=cast-function-type
endif
else
ifeq ($(shell expr $(GCCVERSION) \>= 8), 1)
CFLAGS += -Wno-error=cast-function-type
endif
endif
# All source paths should be relative to the top level.
LD_FILE = hw/mcu/nordic/nrfx/mdk/nrf52840_xxaa.ld

1
lib/sct_neopixel Submodule

@ -0,0 +1 @@
Subproject commit e73e04ca63495672d955f9268e003cffe168fcd8

15
tools/top.mk
View File

@ -2,6 +2,12 @@ ifneq ($(lastword a b),b)
$(error This Makefile require make 3.81 or newer)
endif
# Detect whether shell style is windows or not
# https://stackoverflow.com/questions/714100/os-detecting-makefile/52062069#52062069
ifeq '$(findstring ;,$(PATH))' ';'
CMDEXE := 1
endif
# Set TOP to be the path to get from the current directory (where make was
# invoked) to the top of the tree. $(lastword $(MAKEFILE_LIST)) returns
# the name of this makefile relative to where make was invoked.
@ -9,9 +15,16 @@ endif
THIS_MAKEFILE := $(lastword $(MAKEFILE_LIST))
TOP := $(patsubst %/tools/top.mk,%,$(THIS_MAKEFILE))
ifeq ($(CMDEXE),1)
TOP := $(subst \,/,$(shell for %%i in ( $(TOP) ) do echo %%~fi))
else
TOP := $(shell realpath $(TOP))
endif
#$(info Top directory is $(TOP))
ifeq ($(CMDEXE),1)
CURRENT_PATH := $(subst $(TOP)/,,$(subst \,/,$(shell echo %CD%)))
else
CURRENT_PATH := $(shell realpath --relative-to=$(TOP) `pwd`)
endif
#$(info Path from top is $(CURRENT_PATH))