Index: ModuleDemo/OTP/write_bt_flag/user/main.c =================================================================== --- /YC3121_demo/ModuleDemo/OTP/write_bt_flag/user/main.c (revision 832) +++ /YC3121_demo/ModuleDemo/OTP/write_bt_flag/user/main.c (working copy) @@ -118,12 +118,21 @@ #define BT_FLAG_ADDR 0x1ffe #define OTP_CSN_ADDR 0x0002 #define OTP_CHECK_ADDR 0x012c + +//int16 ´óС¶Ëת»»£º + +static uint16_t bswap_16(uint16_t x) +{ + return (x >> 8) | (x << 8); +} + void write_bt_flag() { uint16_t bt_flag=0; uint16_t check_buf[13] = {0}; uint32_t checksum = WRITE_FLAG; - uint16_t downloadflag = WRITE_FLAG; + uint16_t downloadflag; + downloadflag = bswap_16(WRITE_FLAG); read_otp(BT_FLAG_ADDR,(uint8_t*)&bt_flag,2); if(bt_flag==0) { Index: ModuleDemo/Timer/PWM_Capture/prj/GCC/c.bat =================================================================== --- /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/GCC/c.bat (nonexistent) +++ /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/GCC/c.bat (working copy) @@ -0,0 +1,3 @@ +cls +make clean +make \ No newline at end of file Index: ModuleDemo/Timer/PWM_Capture/prj/GCC/makefile =================================================================== --- /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/GCC/makefile (nonexistent) +++ /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/GCC/makefile (working copy) @@ -0,0 +1,234 @@ + +ifeq ($(OS),Windows_NT) +DIR = C:/gcc-arm-none-eabi-7-2018-q2-update-win32 +else +DIR = /usr/gcc-arm-none-eabi-7-2018-q2-update +endif + +ARCH = $(DIR)/bin/arm-none-eabi +GCC = $(ARCH)-gcc +LD = $(ARCH)-ld +AS = $(ARCH)-as +OBJCOPY = $(ARCH)-objcopy +OBJDUMP = "$(ARCH)-objdump" +LIB_PATH = ../../../../../Librarier +USER_PATH = ../../user + + +all : output/out.hex + + +CORE_OBJS = $(LIB_PATH)/startup/flash_start_gcc \ + $(LIB_PATH)/core/system \ + $(LIB_PATH)/core/misc \ + $(LIB_PATH)/core/bt_code \ + $(LIB_PATH)/sdk/yc_gpio \ + $(LIB_PATH)/sdk/yc_uart \ + $(LIB_PATH)/sdk/yc_adc \ + $(LIB_PATH)/sdk/yc_timer \ + $(LIB_PATH)/sdk/yc_otp \ + $(LIB_PATH)/sdk/yc_ipc \ + $(LIB_PATH)/sdk/yc_lpm \ + $(LIB_PATH)/sdk/yc_sysctrl + + +USER_OBJS = $(USER_PATH)/main + +OBJS = $(CORE_OBJS) $(USER_OBJS) + +INC_DIR = -I $(LIB_PATH)/core \ + -I $(LIB_PATH)/sdk + + +CFLAG = -mthumb -mcpu=cortex-m0 -c -g -Os $(INC_DIR) $(DEF) -fno-toplevel-reorder -ffunction-sections -fdata-sections +LDFLAG = -T output/ld.script -Map=output/memmap -lc -lm -lgcc -L "$(DIR)/lib/gcc/arm-none-eabi/7.3.1/thumb/v6-m" -L "$(DIR)/arm-none-eabi/lib/thumb/v6-m" + +define ldscript = +/* Linker script to configure memory regions. + * Need modifying for a specific board. + * FLASH.ORIGIN: starting address of flash + * FLASH.LENGTH: length of flash + * RAM.ORIGIN: starting address of RAM bank 0 + * RAM.LENGTH: length of RAM bank 0 + */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x1000000, LENGTH = 0x80000 /* 512K */ + RAM (rwx) : ORIGIN = 0x20000, LENGTH = 0x10000 /* 64K */ +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __copy_table_start__ + * __copy_table_end__ + * __zero_table_start__ + * __zero_table_end__ + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + .text : + { + *flash_start*.o + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + + . = ALIGN(4); + __exidx_start = .; + + __etext = .; + + .data : AT (__etext) + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .heap (COPY): + { + __end__ = .; + PROVIDE(end = .); + *(.heap*) + __HeapLimit = .; + } > RAM + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > RAM + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__StackLimit >= __HeapLimit, "region RAM overflowed with stack") +} +endef + + +output/out.hex : output/out + $(OBJCOPY) $^ -O ihex $@ + + +output/out : $(addprefix output/, $(addsuffix .o, $(OBJS))) + $(file >output/ld.script, $(ldscript)) + $(LD) $(addprefix output/obj/,$(addsuffix .o, $(notdir $(OBJS)))) -o $@ $(LDFLAG) + $(OBJDUMP) -S $@ > output/disasm + +output/%.o : %.c + $(GCC) $< $(CFLAG) -o output/obj/$(notdir $@) + +output/%.o : %.s + $(AS) $^ -mthumb -mcpu=cortex-m0 -o output/obj/$(notdir $@) + + +clean : +ifeq ($(OS),Windows_NT) + del /Q output\*.* + del /Q output\obj\*.* +else + rm -rf output/* + rm -rf output/obj/* +endif Index: ModuleDemo/Timer/PWM_Capture/prj/MDK/YC3121_Keil.uvoptx =================================================================== --- /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/MDK/YC3121_Keil.uvoptx (nonexistent) +++ /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/MDK/YC3121_Keil.uvoptx (working copy) @@ -0,0 +1,348 @@ + + + + 1.0 + +
### uVision Project, (C) Keil Software
+ + + *.c + *.s*; *.src; *.a* + *.obj; *.o + *.lib + *.txt; *.h; *.inc + *.plm + *.cpp + 0 + + + + 0 + 0 + + + + YC3121 + 0x4 + ARM-ADS + + 12000000 + + 0 + 1 + 0 + 1 + 0 + + + 1 + 65535 + 0 + 0 + 0 + + + 79 + 66 + 8 + .\Listings\ + + + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 0 + 0 + 0 + 0 + + + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + + + 1 + 0 + 1 + + 7 + + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 1 + 0 + 0 + 0 + + + + + + + + + + + BIN\UL2CM3.DLL + + + + 0 + UL2CM3 + UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000) + + + + + 0 + + + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + 0 + 0 + 0 + + + + + + + + + + + + + core + 0 + 0 + 0 + 0 + + 1 + 1 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\core\misc.c + misc.c + 0 + 0 + + + 1 + 2 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\core\system.c + system.c + 0 + 0 + + + 1 + 3 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\core\bt_code.c + bt_code.c + 0 + 0 + + + + + main + 1 + 0 + 0 + 0 + + 2 + 4 + 1 + 0 + 0 + 0 + ..\..\user\main.c + main.c + 0 + 0 + + + + + sdk + 1 + 0 + 0 + 0 + + 3 + 5 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\sdk\yc_gpio.c + yc_gpio.c + 0 + 0 + + + 3 + 6 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\sdk\yc_uart.c + yc_uart.c + 0 + 0 + + + 3 + 7 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\sdk\yc_timer.c + yc_timer.c + 0 + 0 + + + 3 + 8 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\sdk\yc_sysctrl.c + yc_sysctrl.c + 0 + 0 + + + 3 + 9 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\sdk\yc_spi.c + yc_spi.c + 0 + 0 + + + 3 + 10 + 1 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\sdk\yc_systick.c + yc_systick.c + 0 + 0 + + + + + startup + 1 + 0 + 0 + 0 + + 4 + 11 + 2 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\startup\flash_start.s + flash_start.s + 0 + 0 + + + 4 + 12 + 2 + 0 + 0 + 0 + ..\..\..\..\..\Librarier\startup\startup.s + startup.s + 0 + 0 + + + + Index: ModuleDemo/Timer/PWM_Capture/prj/MDK/YC3121_Keil.uvprojx =================================================================== --- /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/MDK/YC3121_Keil.uvprojx (nonexistent) +++ /YC3121_demo/ModuleDemo/Timer/PWM_Capture/prj/MDK/YC3121_Keil.uvprojx (working copy) @@ -0,0 +1,472 @@ + + + + 2.1 + +
### uVision Project, (C) Keil Software
+ + + + YC3121 + 0x4 + ARM-ADS + 5060750::V5.06 update 6 (build 750)::ARMCC + 0 + + + ARMCM0 + ARM + ARM.CMSIS.5.5.1 + http://www.keil.com/pack/ + IRAM(0x20000000,0x00020000) IROM(0x00000000,0x00040000) CPUTYPE("Cortex-M0") CLOCK(12000000) ESEL ELITTLE + + + UL2CM3(-S0 -C0 -P0 -FD20000000 -FC1000) + 0 + $$Device:ARMCM0$Device\ARM\ARMCM0\Include\ARMCM0.h + + + + + + + + + + + 0 + 0 + + + + + + + 0 + 0 + 0 + 0 + 1 + + .\Objects\ + YC3121_Keil + 1 + 0 + 1 + 1 + 1 + .\Listings\ + 1 + 0 + 1 + + 0 + 0 + + + 0 + 0 + 0 + 0 + + + 0 + 0 + + + 0 + 0 + 0 + 0 + + + 1 + 0 + fromelf.exe --text -a -c --output=@L_asm.txt "!L" + + 0 + 0 + 0 + 0 + + 0 + + + + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 3 + + + 1 + + + SARMCM3.DLL + + DARMCM1.DLL + -pCM0 + SARMCM3.DLL + + TARMCM1.DLL + -pCM0 + + + + 1 + 0 + 0 + 0 + 16 + + + + + 1 + 0 + 1 + 1 + 1 + 4100 + + 1 + BIN\UL2CM3.DLL + "" () + + + + + 0 + + + + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 1 + 1 + 0 + 1 + 1 + 0 + 0 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 1 + 0 + 0 + "Cortex-M0" + + 0 + 0 + 0 + 1 + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 8 + 1 + 1 + 0 + 0 + 3 + 3 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x20000000 + 0x20000 + + + 1 + 0x0 + 0x40000 + + + 0 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x0 + + + 1 + 0x0 + 0x40000 + + + 1 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x0 + 0x0 + + + 0 + 0x20000000 + 0x20000 + + + 0 + 0x0 + 0x0 + + + + + + 1 + 3 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 1 + 0 + 0 + 1 + 1 + 0 + 1 + 1 + 1 + 1 + 0 + 0 + 0 + + + __USEKEILCOMPILE__ + + ..\..\..\..\..\Librarier\core;..\..\..\..\..\Librarier\sdk;..\..\user;..\..\user\oled + + + + 1 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + 0 + + + + + + + + + 0 + 0 + 0 + 0 + 1 + 0 + 0x00000000 + 0xd0000 + + .\Objects\YC3121_keil.sct + + + + + + + + + + + core + + + misc.c + 1 + ..\..\..\..\..\Librarier\core\misc.c + + + system.c + 1 + ..\..\..\..\..\Librarier\core\system.c + + + bt_code.c + 1 + ..\..\..\..\..\Librarier\core\bt_code.c + + + + + main + + + main.c + 1 + ..\..\user\main.c + + + + + sdk + + + yc_gpio.c + 1 + ..\..\..\..\..\Librarier\sdk\yc_gpio.c + + + yc_uart.c + 1 + ..\..\..\..\..\Librarier\sdk\yc_uart.c + + + yc_timer.c + 1 + ..\..\..\..\..\Librarier\sdk\yc_timer.c + + + yc_sysctrl.c + 1 + ..\..\..\..\..\Librarier\sdk\yc_sysctrl.c + + + yc_spi.c + 1 + ..\..\..\..\..\Librarier\sdk\yc_spi.c + + + yc_systick.c + 1 + ..\..\..\..\..\Librarier\sdk\yc_systick.c + + + + + startup + + + flash_start.s + 2 + ..\..\..\..\..\Librarier\startup\flash_start.s + + + startup.s + 2 + ..\..\..\..\..\Librarier\startup\startup.s + + + + + + + + + + + + + + Index: ModuleDemo/Timer/PWM_Capture/user/main.c =================================================================== --- /YC3121_demo/ModuleDemo/Timer/PWM_Capture/user/main.c (nonexistent) +++ /YC3121_demo/ModuleDemo/Timer/PWM_Capture/user/main.c (working copy) @@ -0,0 +1,181 @@ +/** + ****************************************************************************** + * @file 3121Demo\ModuleDemo\ADC\ADC_gpio_mode\user\main.c + * @author Yichip Application Team + * @version V1.0.1 + * @date 14-July-2020 + * @brief ADC gpio mode program. + ****************************************************************************** + * @attention + * + * COPYRIGHT 2019 Yichip Microelectronics + * + * The purpose of this firmware is to provide guidance to customers engaged in + * programming work to guide them smoothly to product development, + * so as to save their time. + * + * Therefore, Yichip microelectronics shall not be responsible for any direct, + * indirect or consequential damages caused by any content of this gu jiang + * and/or contained in this code used by the customer in its products. + * + ****************************************************************************** + */ + +/* Includes ------------------------------------------------------------------*/ +#include "yc3121.h" +#include "yc_gpio.h" +#include "yc_uart.h" +#include "yc_timer.h" +#include "board_config.h" + +/* Private typedef -----------------------------------------------------------*/ +/* Private define ------------------------------------------------------------*/ + +#define PWMTESTORT GPIOA +#define PWMTESTPIN GPIO_Pin_14 + +#define PWMCAPPORT GPIOA +#define PWMCAPPIN GPIO_Pin_15 + +/* Private macro -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private function prototypes -----------------------------------------------*/ +void UART_Configuration(void); +void PWM_Configuration(void); +void GPIO_mode_Config(GPIO_TypeDef GPIOx, uint16_t GPIO_Pin); +void Timer_mode_Config(TIM_NumTypeDef TIMx); +uint32_t Sample_Frequency(GPIO_TypeDef GPIOx, uint16_t GPIO_Pin, TIM_NumTypeDef TIMx); + +/** + * @brief Main program + * @param None + * @retval None + */ +int main(void) +{ + uint32_t frequency; + UART_Configuration(); + PWM_Configuration(); + MyPrintf("YC3121 PWM Capturn Demo\n"); + while (1) + { + frequency = Sample_Frequency(PWMCAPPORT, PWMCAPPIN, TIM1); + MyPrintf("Test frequency f = %dHz\n\n", frequency); + delay_ms(100); + } +} + +/** + * @brief Serial port 0 initialization function. + * @param None + * @retval None + */ +void UART_Configuration(void) +{ + UART_InitTypeDef UART_InitStruct; + + /* Configure serial ports RX and TX for IO. */ + GPIO_Config(UART0_TX_PORT, UART0_TX_PIN, UART0_TXD); + GPIO_Config(UART0_RX_PORT, UART0_RX_PIN, UART0_RXD); + + /* USARTx configured as follow: + - BaudRate = 115200 baud + - Word Length = 8 Bits + - Stop Bit = 1 Stop Bit + - Parity = No Parity + - Hardware flow control disabled (RTS and CTS signals) + - Receive and transmit enabled + */ + UART_InitStruct.BaudRate = UARTBAUD; //Configure serial port baud rate, the baud rate defaults to 128000. + UART_InitStruct.DataBits = Databits_8b; + UART_InitStruct.StopBits = StopBits_1; + UART_InitStruct.Parity = Parity_None; + UART_InitStruct.FlowCtrl = FlowCtrl_None; + UART_InitStruct.Mode = Mode_duplex; + UART_Init(UART0, &UART_InitStruct); +} + +/** + * @brief Test FREQUENCY + * @param + * @retval None + */ +void PWM_Configuration(void) +{ + PWM_InitTypeDef PWM_init_struct; + + PWM_init_struct.TIMx = TIM0; + PWM_init_struct.LowLevelPeriod = 239; + PWM_init_struct.HighLevelPeriod = 239; + PWM_init_struct.SatrtLevel = OutputLow; + GPIO_Config(PWMTESTORT, PWMTESTPIN, GPCFG_PWM_OUT0); + TIM_PWMInit(&PWM_init_struct); + + /* Configure PWM for counting mode */ + TIM_ModeConfig(TIM0, TIM_Mode_PWM); + /* The last step must be enabled */ + TIM_Cmd(TIM0, ENABLE); +} + +void GPIO_mode_Config(GPIO_TypeDef GPIOx, uint16_t GPIO_Pin) +{ + GPIO_InitTypeDef GPIO_InitStruct; + GPIO_InitStruct.GPIO_Pin = GPIO_Pin; + GPIO_InitStruct.GPIO_Mode = GPIO_Mode_IN_FLOATING; + GPIO_Init(GPIOx, &GPIO_InitStruct); +} + +void Timer_mode_Config(TIM_NumTypeDef TIMx) +{ + TIM_Cmd(TIMx, DISABLE); + TIM_InitTypeDef TIM_InitStruct; + + TIM_InitStruct.period = CPU_MHZ/1000; + + TIM_InitStruct.TIMx = TIMx; + TIM_Init(&TIM_InitStruct); + /* Configure timer for counting mode */ + TIM_ModeConfig(TIMx, TIM_Mode_TIMER); + /* The last step must be enabled */ + TIM_Cmd(TIMx, ENABLE); +} + +uint32_t Sample_Frequency(GPIO_TypeDef GPIOx, uint16_t GPIO_Pin, TIM_NumTypeDef TIMx) +{ + uint8_t flag_io_toggle = 0; + uint32_t freq_cnt = 0,frequency = 0,count_1 = 0, count_2 = 0,count_value = 0; + GPIO_mode_Config(GPIOx, GPIO_Pin); + Timer_mode_Config(TIMx); + TIM_CTRL &= ~(0x01<<(4*TIMx+3)); + freq_cnt = 0; + while(TIM_CNT(TIMx)) + { + if (flag_io_toggle == 1 && (GPIO_IN(GPIOx) & GPIO_Pin)) + { + flag_io_toggle=0; + count_1 = TIM_CNT(TIMx); + break; + } + else if (flag_io_toggle == 0 && !(GPIO_IN(GPIOx) & GPIO_Pin)) + { + flag_io_toggle=1; + } + } + while(TIM_CNT(TIMx)) + { + if (flag_io_toggle == 1 && (GPIO_IN(GPIOx) & GPIO_Pin)) + { + flag_io_toggle=0; + count_2 = TIM_CNT(TIMx); + freq_cnt++; + } + else if (flag_io_toggle == 0 && !(GPIO_IN(GPIOx) & GPIO_Pin)) + { + flag_io_toggle=1; + } + } + count_value = count_1-count_2; //一定时间内采集脉冲总共花费的时间 + frequency = (CPU_MHZ*(uint64_t)freq_cnt/count_value); //时间内共æ•èŽ·åˆ°çš„周期次数， + return frequency; +} +/************************ (C) COPYRIGHT Yichip Microelectronics *****END OF FILE****/