feat: add pyocd

User/at32f421_clock.h → Libraries/bsp/inc/at32f421_clock.h

@@ -36,7 +36,7 @@ extern "C" {
 #include "at32f421.h"
 
 /* exported functions ------------------------------------------------------- */
-void system_clock_config(void);
+void sclk_120m_hext_config(void);
 
 #ifdef __cplusplus
 }

Libraries/bsp/inc/at32f421_delay.h

@@ -0,0 +1,39 @@
+#ifndef __AT32F421_DELAY_H
+#define __AT32F421_DELAY_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* includes ------------------------------------------------------------------*/
+#include "at32f421.h"
+
+/* exported functions ------------------------------------------------------- */
+/**
+ * @brief initialize delay function
+ * @param none
+ * @retval none
+ */
+void delay_init(void);
+
+/**
+ * @brief inserts a delay time.
+ * @param nus: specifies the delay time length, in microsecond.
+ * @retval none
+ */
+void delay_us(uint32_t nus);
+
+/**
+ * @brief inserts a delay time.
+ * @param nms: specifies the delay time length, in milliseconds.
+ * @retval none
+ */
+void delay_ms(uint16_t nms);
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __AT32F421_DELAY_H */
+

Libraries/debug/debug.h → Libraries/bsp/inc/at32f421_printf.h

@@ -1,5 +1,5 @@
-#ifndef __DEBUG_H
-#define __DEBUG_H
+#ifndef __AT32F421_PRINTF_H
+#define __AT32F421_PRINTF_H
 
 #ifdef __cplusplus
 extern "C" {

User/at32f421_clock.c → Libraries/bsp/src/at32f421_clock.c

@@ -45,7 +45,7 @@
  * @param none
  * @retval none
  */
-void system_clock_config(void)
+void sclk_120m_hext_config(void)
 {
  /* config flash psr register */
  flash_psr_set(FLASH_WAIT_CYCLE_3);

Libraries/bsp/src/at32f421_delay.c

@@ -0,0 +1,75 @@
+/* includes ------------------------------------------------------------------*/
+#include "at32f421_delay.h"
+
+#define STEP_DELAY_MS 50
+
+/* delay variable */
+static __IO uint32_t fac_us;
+static __IO uint32_t fac_ms;
+
+
+/**
+ * @brief initialize delay function
+ * @param none
+ * @retval none
+ */
+void delay_init()
+{
+ /* configure systick */
+ systick_clock_source_config(SYSTICK_CLOCK_SOURCE_AHBCLK_NODIV);
+ fac_us = system_core_clock / (1000000U);
+ fac_ms = fac_us * (1000U);
+}
+
+
+/**
+ * @brief inserts a delay time.
+ * @param nus: specifies the delay time length, in microsecond.
+ * @retval none
+ */
+void delay_us(uint32_t nus)
+{
+ uint32_t temp = 0;
+ SysTick->LOAD = (uint32_t)(nus * fac_us);
+ SysTick->VAL = 0x00;
+ SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk ;
+ do
+ {
+ temp = SysTick->CTRL;
+ }while((temp & 0x01) && !(temp & (1 << 16)));
+
+ SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+ SysTick->VAL = 0x00;
+}
+
+/**
+ * @brief inserts a delay time.
+ * @param nms: specifies the delay time length, in milliseconds.
+ * @retval none
+ */
+void delay_ms(uint16_t nms)
+{
+ uint32_t temp = 0;
+ while(nms)
+ {
+ if(nms > STEP_DELAY_MS)
+ {
+ SysTick->LOAD = (uint32_t)(STEP_DELAY_MS * fac_ms);
+ nms -= STEP_DELAY_MS;
+ }
+ else
+ {
+ SysTick->LOAD = (uint32_t)(nms * fac_ms);
+ nms = 0;
+ }
+ SysTick->VAL = 0x00;
+ SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
+ do
+ {
+ temp = SysTick->CTRL;
+ }while((temp & 0x01) && !(temp & (1 << 16)));
+
+ SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
+ SysTick->VAL = 0x00;
+ }
+}

Libraries/debug/debug.c → Libraries/bsp/src/at32f421_printf.c

@@ -2,7 +2,7 @@
 #include <unistd.h>
 #include <stdio.h>
 #include <errno.h>
-#include "debug.h"
+#include "at32f421_printf.h"
 
 
 /* support printf function, usemicrolib is unnecessary */

Makefile

@@ -10,8 +10,8 @@ BUILD_DIR = Build
 ENABLE_PRINTF_FLOAT ?= n
 # Build with FreeRTOS, y:yes, n:no
 USE_FREERTOS ?= n
-# Programmer, jlink
-FLASH_PROGRM ?= jlink
+# Programmer, jlink or pyocd
+FLASH_PROGRM ?= pyocd
 
 
 ##### Toolchains #######
@@ -20,9 +20,12 @@ FLASH_PROGRM ?= jlink
 #ARM_TOOCHAIN ?= /opt/gcc-arm/arm-gnu-toolchain-11.3.rel1-x86_64-arm-none-eabi/bin
 ARM_TOOCHAIN ?= /opt/gcc-arm/arm-gnu-toolchain-12.2.mpacbti-bet1-x86_64-arm-none-eabi/bin
 
-# path to JLinkExe (or should be specified in PATH)
+# path to JLinkExe
 JLINKEXE ?= /opt/SEGGER/JLink/JLinkExe
 JLINK_DEVICE ?= AT32F421C8T7
+# path to PyOCD
+PYOCD_EXE ?= pyocd
+PYOCD_DEVICE ?= _at32f421c8t7
 
 
 ##### Paths ############
@@ -33,10 +36,11 @@ LDSCRIPT = Libraries/cmsis/cm4/device_support/startup/gcc/linker/AT32F421x8_FLA
 LIB_FLAGS = USE_STDPERIPH_DRIVER AT32F421C8T7
 
 # C source folders
-CDIRS := Libraries/cmsis/cm4/device_support \
+CDIRS := User \
+ Libraries/cmsis/cm4/device_support \
  Libraries/drivers/src \
- Libraries/debug \
- User
+ Libraries/bsp/src
+
 # C source files (if there are any single ones)
 CFILES := 
 
@@ -50,7 +54,7 @@ INCLUDES := User \
  Libraries/cmsis/cm4/core_support \
  Libraries/cmsis/cm4/device_support \
  Libraries/drivers/inc \
- Libraries/debug
+ Libraries/bsp/inc
 
 ifeq ($(USE_FREERTOS),y)
 CDIRS += Middlewares/FreeRTOS \

Misc/pyocd.yaml

@@ -0,0 +1,2 @@
+pack:
+ - Misc/ArteryTek.AT32F421_DFP.2.1.0.pack

User/main.c

@@ -25,6 +25,7 @@
  */
 
 #include "at32f421_clock.h"
+#include "at32f421_delay.h"
 
 typedef enum
 {
@@ -33,8 +34,6 @@ typedef enum
  LED4 = 2
 } led_type;
 
-#define STEP_DELAY_MS 50
-
 #define LED_NUM 3
 
 #define LED2_PIN GPIO_PINS_6
@@ -49,80 +48,11 @@ typedef enum
 #define LED4_GPIO GPIOC
 #define LED4_GPIO_CRM_CLK CRM_GPIOC_PERIPH_CLOCK
 
-/* delay variable */
-static __IO uint32_t fac_us;
-static __IO uint32_t fac_ms;
 
 gpio_type *led_gpio_port[LED_NUM] = {LED2_GPIO, LED3_GPIO, LED4_GPIO};
 uint16_t led_gpio_pin[LED_NUM] = {LED2_PIN, LED3_PIN, LED4_PIN};
 crm_periph_clock_type led_gpio_crm_clk[LED_NUM] = {LED2_GPIO_CRM_CLK, LED3_GPIO_CRM_CLK, LED4_GPIO_CRM_CLK};
 
-/**
- * @brief initialize delay function
- * @param none
- * @retval none
- */
-void delay_init()
-{
- /* configure systick */
- systick_clock_source_config(SYSTICK_CLOCK_SOURCE_AHBCLK_NODIV);
- fac_us = system_core_clock / (1000000U);
- fac_ms = fac_us * (1000U);
-}
-
-
-/**
- * @brief inserts a delay time.
- * @param nus: specifies the delay time length, in microsecond.
- * @retval none
- */
-void delay_us(uint32_t nus)
-{
- uint32_t temp = 0;
- SysTick->LOAD = (uint32_t)(nus * fac_us);
- SysTick->VAL = 0x00;
- SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk ;
- do
- {
- temp = SysTick->CTRL;
- }while((temp & 0x01) && !(temp & (1 << 16)));
-
- SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
- SysTick->VAL = 0x00;
-}
-
-/**
- * @brief inserts a delay time.
- * @param nms: specifies the delay time length, in milliseconds.
- * @retval none
- */
-void delay_ms(uint16_t nms)
-{
- uint32_t temp = 0;
- while(nms)
- {
- if(nms > STEP_DELAY_MS)
- {
- SysTick->LOAD = (uint32_t)(STEP_DELAY_MS * fac_ms);
- nms -= STEP_DELAY_MS;
- }
- else
- {
- SysTick->LOAD = (uint32_t)(nms * fac_ms);
- nms = 0;
- }
- SysTick->VAL = 0x00;
- SysTick->CTRL |= SysTick_CTRL_ENABLE_Msk;
- do
- {
- temp = SysTick->CTRL;
- }while((temp & 0x01) && !(temp & (1 << 16)));
-
- SysTick->CTRL &= ~SysTick_CTRL_ENABLE_Msk;
- SysTick->VAL = 0x00;
- }
-}
-
 /**
  * @brief configure led gpio
  * @param led: specifies the led to be configured.
@@ -171,7 +101,7 @@ void at32_led_toggle(led_type led)
  */
 int main(void)
 {
- system_clock_config();
+ sclk_120m_hext_config();
 
  delay_init();
 

rules.mk

@@ -35,12 +35,12 @@ ARCH_FLAGS := -mthumb -mcpu=cortex-m4
 # -g: system’s native format, -g0:off, -g/g1,-g2,-g3 -> more verbosely
 # -ggdb: for gdb, -ggdb0:off, -ggdb/ggdb1,-ggdb2,-ggdb3 -> more verbosely
 # -gdwarf: in DWARF format, -gdwarf-2,-gdwarf-3,-gdwarf-4,-gdwarf-5
-DEBUG_FLAGS ?= -gdwarf-2
+DEBUG_FLAGS ?= -gdwarf-3
 
 # c flags
 OPT ?= -O0
 CSTD ?= -std=c99
-TGT_CFLAGS += $(ARCH_FLAGS) $(DEBUG_FLAGS) $(OPT) $(CSTD) $(addprefix -D, $(LIB_FLAGS)) -Wall
+TGT_CFLAGS += $(ARCH_FLAGS) $(DEBUG_FLAGS) $(OPT) $(CSTD) $(addprefix -D, $(LIB_FLAGS)) -Wall -ffunction-sections -fdata-sections
 
 # asm flags
 TGT_ASFLAGS += $(ARCH_FLAGS) $(DEBUG_FLAGS) $(OPT) -Wa,--warn
@@ -62,7 +62,7 @@ TGT_INCFLAGS := $(addprefix -I $(TOP)/, $(INCLUDES))
 
 .PHONY: all clean flash echo
 
-all: $(BDIR)/$(PROJECT).elf $(BDIR)/$(PROJECT).bin
+all: $(BDIR)/$(PROJECT).elf $(BDIR)/$(PROJECT).bin $(BDIR)/$(PROJECT).hex
 
 # for debug
 echo:
@@ -94,12 +94,19 @@ $(BDIR)/$(PROJECT).elf: $(OBJS) $(TOP)/$(LDSCRIPT)
  @printf " OBJCP\t$@\n"
  $(Q)$(OBJCOPY) -O binary $< $@
 
+%.hex: %.elf
+ @printf " OBJCP\t$@\n"
+ $(Q)$(OBJCOPY) -O ihex $< $@
+
 clean:
  rm -rf $(BDIR)/*
 
 flash:
 ifeq ($(FLASH_PROGRM),jlink)
  $(JLINKEXE) -device $(JLINK_DEVICE) -if swd -speed 4000 -CommanderScript $(TOP)/Misc/flash.jlink
+else ifeq ($(FLASH_PROGRM),pyocd)
+ $(PYOCD_EXE) erase -c -t $(PYOCD_DEVICE) --config $(TOP)/Misc/pyocd.yaml
+ $(PYOCD_EXE) load $(BDIR)/$(PROJECT).hex -t $(PYOCD_DEVICE) --config $(TOP)/Misc/pyocd.yaml
 else
  @echo "FLASH_PROGRM is invalid\n"
 endif