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-rw-r--r--Makefile9
-rw-r--r--libmaple/exc.c63
-rw-r--r--libmaple/rules.mk11
-rw-r--r--libmaple/util.c51
-rw-r--r--libmaple/util.h1
-rw-r--r--support/make/build-rules.mk7
6 files changed, 49 insertions, 93 deletions
diff --git a/Makefile b/Makefile
index bc34f9e..4fd5ade 100644
--- a/Makefile
+++ b/Makefile
@@ -29,11 +29,12 @@ LIBMAPLE_PATH := $(SRCROOT)/libmaple
SUPPORT_PATH := $(SRCROOT)/support
# Useful variables
-GLOBAL_CFLAGS := -Os -g -mcpu=cortex-m3 -mthumb -march=armv7-m -nostdlib \
- -ffunction-sections -fdata-sections -Wl,--gc-sections \
- -DBOARD_$(BOARD) -DMCU_$(MCU)
+GLOBAL_CFLAGS := -Os -g -mcpu=cortex-m3 -mthumb -march=armv7-m -nostdlib \
+ -ffunction-sections -fdata-sections -Wl,--gc-sections \
+ -DBOARD_$(BOARD) -DMCU_$(MCU)
GLOBAL_CXXFLAGS := -fno-rtti -fno-exceptions -Wall -DBOARD_$(BOARD) -DMCU_$(MCU)
-
+GLOBAL_ASFLAGS := -mcpu=cortex-m3 -march=armv7-m -mthumb -DBOARD_$(BOARD) \
+ -DMCU_$(MCU) -x assembler-with-cpp
LDDIR := $(SUPPORT_PATH)/ld
LDFLAGS = -T$(LDDIR)/$(LDSCRIPT) -L$(LDDIR) \
diff --git a/libmaple/exc.c b/libmaple/exc.c
deleted file mode 100644
index a5c67fa..0000000
--- a/libmaple/exc.c
+++ /dev/null
@@ -1,63 +0,0 @@
-
-/* *****************************************************************************
- * The MIT License
- *
- * Copyright (c) 2010 Perry Hung.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
- * THE SOFTWARE.
- * ****************************************************************************/
-
-/**
- * @brief libmaple exception handlers. If DEBUG_LEVEL > DEBUG_FAULT, then these
- * exceptions will ASSERT fail and call into the default _fail() light
- * blinking.
- */
-
-#include "util.h"
-
-void NMIException(void) {
- ASSERT_FAULT(0);
- while(1)
- ;
-}
-
-void HardFaultException(void) {
- ASSERT_FAULT(0);
- while(1)
- ;
-}
-
-void MemManageException(void) {
- ASSERT_FAULT(0);
- while(1)
- ;
-}
-
-void BusFaultException(void) {
- ASSERT_FAULT(0);
- while(1)
- ;
-}
-
-void UsageFaultException(void) {
- ASSERT_FAULT(0);
- while(1)
- ;
-}
-
diff --git a/libmaple/rules.mk b/libmaple/rules.mk
index 8428277..cd50495 100644
--- a/libmaple/rules.mk
+++ b/libmaple/rules.mk
@@ -16,7 +16,6 @@ cSRCS_$(d) := systick.c \
timers.c \
adc.c \
syscalls.c \
- exc.c \
exti.c \
gpio.c \
nvic.c \
@@ -25,8 +24,8 @@ cSRCS_$(d) := systick.c \
rcc.c \
flash.c \
spi.c \
- fsmc.c \
- dac.c \
+ fsmc.c \
+ dac.c \
usb/usb.c \
usb/usb_callbacks.c \
usb/usb_hardware.c \
@@ -37,12 +36,16 @@ cSRCS_$(d) := systick.c \
usb/usb_lib/usb_mem.c \
usb/usb_lib/usb_regs.c
+sSRCS_$(d) := exc.S
+
cFILES_$(d) := $(cSRCS_$(d):%=$(d)/%)
+sFILES_$(d) := $(sSRCS_$(d):%=$(d)/%)
-OBJS_$(d) := $(cFILES_$(d):%.c=$(BUILD_PATH)/%.o)
+OBJS_$(d) := $(cFILES_$(d):%.c=$(BUILD_PATH)/%.o) $(sFILES_$(d):%.S=$(BUILD_PATH)/%.o)
DEPS_$(d) := $(OBJS_$(d):%.o=%.d)
$(OBJS_$(d)): TGT_CFLAGS := $(CFLAGS_$(d))
+$(OBJS_$(d)): TGT_ASFLAGS :=
TGT_BIN += $(OBJS_$(d))
diff --git a/libmaple/util.c b/libmaple/util.c
index a747948..3325d2b 100644
--- a/libmaple/util.c
+++ b/libmaple/util.c
@@ -68,7 +68,7 @@ void _fail(const char* file, int line, const char* exp) {
usart_putudec(ERROR_USART_NUM, line);
usart_putc(ERROR_USART_NUM, '\n');
usart_putc(ERROR_USART_NUM, '\r');
-
+
/* Turn on the error LED */
gpio_set_mode(ERROR_LED_PORT, ERROR_LED_PIN, GPIO_MODE_OUTPUT_PP);
@@ -77,24 +77,35 @@ void _fail(const char* file, int line, const char* exp) {
nvic_irq_enable(NVIC_INT_USBLP);
/* Error fade */
- while (1) {
- if (CC == TOP_CNT) {
- slope = -1;
- } else if (CC == 0) {
- slope = 1;
- }
-
- if (i == TOP_CNT) {
- CC += slope;
- i = 0;
- }
-
- if (i < CC) {
- gpio_write_bit(ERROR_LED_PORT, ERROR_LED_PIN, 1);
- } else {
- gpio_write_bit(ERROR_LED_PORT, ERROR_LED_PIN, 0);
- }
- i++;
- }
+ throb();
+}
+
+void throb(void) {
+ int32 slope = 1;
+ uint32 CC = 0x0000;
+ uint32 TOP_CNT = 0x0200;
+ uint32 i = 0;
+
+ gpio_set_mode(ERROR_LED_PORT, ERROR_LED_PIN, GPIO_MODE_OUTPUT_PP);
+ /* Error fade */
+ while (1) {
+ if (CC == TOP_CNT) {
+ slope = -1;
+ } else if (CC == 0) {
+ slope = 1;
+ }
+
+ if (i == TOP_CNT) {
+ CC += slope;
+ i = 0;
+ }
+
+ if (i < CC) {
+ gpio_write_bit(ERROR_LED_PORT, ERROR_LED_PIN, 1);
+ } else {
+ gpio_write_bit(ERROR_LED_PORT, ERROR_LED_PIN, 0);
+ }
+ i++;
+ }
}
diff --git a/libmaple/util.h b/libmaple/util.h
index 63e305d..be5e430 100644
--- a/libmaple/util.h
+++ b/libmaple/util.h
@@ -66,6 +66,7 @@ extern "C"{
#endif
void _fail(const char*, int, const char*);
+void throb(void);
#ifdef __cplusplus
} // extern "C"
diff --git a/support/make/build-rules.mk b/support/make/build-rules.mk
index 3892af9..4dcf00f 100644
--- a/support/make/build-rules.mk
+++ b/support/make/build-rules.mk
@@ -3,7 +3,7 @@ CC := arm-none-eabi-gcc
CXX := arm-none-eabi-g++
LD := arm-none-eabi-ld -v
AR := arm-none-eabi-ar
-AS := arm-none-eabi-as
+AS := arm-none-eabi-gcc
OBJCOPY := arm-none-eabi-objcopy
DISAS := arm-none-eabi-objdump
OBJDUMP := arm-none-eabi-objdump
@@ -14,10 +14,10 @@ OPENOCD := openocd
# Suppress annoying output unless V is set
ifndef V
SILENT_CC = @echo ' [CC] ' $(@:$(BUILD_PATH)/%.o=%.c);
+ SILENT_AS = @echo ' [AS] ' $(@:$(BUILD_PATH)/%.o=%.S);
SILENT_CXX = @echo ' [CXX] ' $(@:$(BUILD_PATH)/%.o=%.cpp);
SILENT_LD = @echo ' [LD] ' $(@F);
SILENT_AR = @echo ' [AR] '
- SILENT_AS = @echo ' [AS] '
SILENT_OBJCOPY = @echo ' [OBJCOPY] ' $(@F);
SILENT_DISAS = @echo ' [DISAS] ' $(@:$(BUILD_PATH)/%.bin=%).disas;
SILENT_OBJDUMP = @echo ' [OBJDUMP] ' $(OBJDUMP);
@@ -28,6 +28,7 @@ TGT_BIN :=
CFLAGS = $(GLOBAL_CFLAGS) $(TGT_CFLAGS)
CXXFLAGS = $(GLOBAL_CXXFLAGS) $(TGT_CXXFLAGS)
+ASFLAGS = $(GLOBAL_ASFLAGS) $(TGT_ASFLAGS)
# General directory independent build rules, generate dependency information
$(BUILD_PATH)/%.o: %.c
@@ -36,3 +37,5 @@ $(BUILD_PATH)/%.o: %.c
$(BUILD_PATH)/%.o: %.cpp
$(SILENT_CXX) $(CXX) $(CFLAGS) $(CXXFLAGS) -MMD -MP -MF $(@:%.o=%.d) -MT $@ -o $@ -c $<
+$(BUILD_PATH)/%.o: %.S
+ $(SILENT_AS) $(AS) $(ASFLAGS) -MMD -MP -MF $(@:%.o=%.d) -MT $@ -o $@ -c $<
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-29 08:48:10 +0000