为什么同一程序在STM32上不能运行在MSP430上能运行

2019-07-14 23:54发布

同样的程序，在STM32上不能运行在MSP430上能运行
两个代码是非常的相似，但是MSP430里读出状态寄存器=0x02，STM32读出的数据会发生变化，不知道是什么原因。
下面分别贴代码，希望大家能指点指点！！！

MSP430下的程序，参考别人的

#define MB85SR64_DLY 30
#define MB85RS64_PORT_IN P2IN
#define MB85RS64_PORT_OUT P2OUT
#define MB85RS64_CS BIT0
#define MB85RS64_WP BIT5
#define MB85RS64_SCK BIT3
#define MB85RS64_SI BIT2
#define MB85RS64_SO BIT1
#define SET_MB85RS64_CS MB85RS64_PORT_OUT|=MB85RS64_CS
#define SET_MB85RS64_WP MB85RS64_PORT_OUT|=MB85RS64_WP
#define SET_MB85RS64_SCK MB85RS64_PORT_OUT|=MB85RS64_SCK
#define SET_MB85RS64_SI MB85RS64_PORT_OUT|=MB85RS64_SI
#define SET_MB85RS64_SO MB85RS64_PORT_OUT|=MB85RS64_SO
#define CLR_MB85RS64_CS MB85RS64_PORT_OUT&=~MB85RS64_CS
#define CLR_MB85RS64_WP MB85RS64_PORT_OUT&=~MB85RS64_WP
#define CLR_MB85RS64_SCK MB85RS64_PORT_OUT&=~MB85RS64_SCK
#define CLR_MB85RS64_SI MB85RS64_PORT_OUT&=~MB85RS64_SI
#define CLR_MB85RS64_SO MB85RS64_PORT_OUT&=~MB85RS64_SO
#define Read_MB85RS64_SO (MB85RS64_PORT_IN&MB85RS64_SO)==MB85RS64_SO
//寄存器相关
#define MB85RS64_WREN 0x06//Set Write Enable Latch 0000 0110
#define MB85RS64_WRDI 0x04//Reset Write Enable Latch 0000 0100B
#define MB85RS64_RDSR 0x05//Read Status Register 0000 0101B
#define MB85RS64_WRSR 0x01//Write Status Register 0000 0001B
#define MB85RS64_READ 0x03//Read Memory Code 0000 0011B
#define MB85RS64_WRITE 0x02//Write Memory Code 0000 0010B
void Write_data(unsigned int address,unsigned char * data,unsigned int number)
{
unsigned int temp_address=0;
unsigned char i=0;
//Set Write Enable Latch
CLR_MB85RS64_CS;
Write(MB85RS64_WREN);
SET_MB85RS64_CS;
temp_address=address&0x1FFF;
//Write Memory Code
CLR_MB85RS64_CS;
Write(MB85RS64_WRITE);
Write((temp_address>>8)&0xFF);
Write(temp_address&0xFF);
for(i=0;i<number;i++)
</number;i++)
{
Write(* data);
data++;
}
SET_MB85RS64_CS;
}
void Read_data(unsigned int address,unsigned char * data,unsigned int number)
{
unsigned int temp_address=0;
unsigned char i=0;
temp_address=address&0x1FFF;
//Read Memory Code
CLR_MB85RS64_CS;
Write(MB85RS64_READ);
Write((temp_address>>8)&0xFF);
Write(temp_address&0xFF);
for(i=0;i<number;i++)
</number;i++)
{
* data=Read();
data++;
}
SET_MB85RS64_CS;
}
void Init_PORT(void)
{
P2OUT = 0x00; P2SEL &= 0xD0;
P2SEL2 &= 0xD0;
P2DIR |= BIT0 + BIT2 + BIT3 + BIT5; //
P2DIR &= ~BIT1; //
P2REN |= BIT1;
}
void main(void)
{
volatile unsigned int i;
char uart_tx_buf[30];
unsigned char rd_data;
unsigned char rd;
unsigned char rd_test = 0;
WDTCTL = WDTPW + WDTHOLD; // Stop watchdog timer
Init_PORT();
Init_uart0();
sendStr("Init ");
Init_PORT();
while(1)
{
//Set Write Enable Latch
CLR_MB85RS64_CS;
Write(MB85RS64_WREN);
SET_MB85RS64_CS;
//Read
CLR_MB85RS64_CS;
Write(MB85RS64_RDSR);
rd_data=Read();
SET_MB85RS64_CS;
sprintf(uart_tx_buf,"stat1==0x%02X ",rd_data);
sendStr(uart_tx_buf);
//Set Write Enable Latch
CLR_MB85RS64_CS;
Write(MB85RS64_WRDI);
SET_MB85RS64_CS;
//Read
CLR_MB85RS64_CS;
Write(MB85RS64_RDSR);
rd_data=Read();
SET_MB85RS64_CS;
sprintf(uart_tx_buf,"stat1==0x%02X ",rd_data);
sendStr(uart_tx_buf);
DelayXms(1000);
}
}

[color=rgb(51, 102, 153) !important]复制代码

STM32下的程序：

#define CLR_MB85RS64_CS GPIO_WriteBit(GPIOC, SPI_MB85RS64_CS, Bit_RESET)
#define SET_MB85RS64_CS GPIO_WriteBit(GPIOC, SPI_MB85RS64_CS, Bit_SET)

[color=rgb(51, 102, 153) !important]复制代码

void MySPI_GPIO_Init(void)
{
GPIO_InitTypeDef GPIO_InitStructure;
RCC_APB2PeriphClockCmd(SPI_GPIO_RCC, ENABLE);
GPIO_InitStructure.GPIO_Pin = SPI_SCK | SPI_MOSI;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_Out_PP;
GPIO_Init(SPI_PORT, &GPIO_InitStructure);
GPIO_InitStructure.GPIO_Pin = SPI_MISO;
GPIO_InitStructure.GPIO_Speed = GPIO_Speed_50MHz;
GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IPU;
//GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;
GPIO_Init(SPI_PORT, &GPIO_InitStructure);
GPIO_SetBits(SPI_PORT, SPI_SCK | SPI_MOSI);
}
unsigned char Read(void)
{
unsigned char i=0,data=0;
GPIO_WriteBit(SPI_PORT, SPI_SCK, Bit_RESET);
for(i=0;i<8;i++)
{
data<<=1;
GPIO_WriteBit(SPI_PORT, SPI_SCK, Bit_SET);;
DelayXus(MB85SR64_DLY);
//if(Read_MB85RS64_SO)
if(GPIO_ReadInputDataBit(SPI_PORT, SPI_MISO))
{data|=1;}
GPIO_WriteBit(SPI_PORT, SPI_SCK, Bit_RESET);
DelayXus(MB85SR64_DLY);
}
return data;
}
void Write(unsigned char data)
{
unsigned char i=0;
GPIO_WriteBit(SPI_PORT, SPI_SCK, Bit_RESET);
for(i=0;i<8;i++)
{
if((data&0x80)==0x80)
{GPIO_WriteBit(SPI_PORT, SPI_MOSI, Bit_SET);}
else
{GPIO_WriteBit(SPI_PORT, SPI_MOSI, Bit_RESET);}
data<<=1;
GPIO_WriteBit(SPI_PORT, SPI_SCK, Bit_SET);
DelayXus(MB85SR64_DLY);
GPIO_WriteBit(SPI_PORT, SPI_SCK, Bit_RESET);
}
}
MySPI_GPIO_Init();
MySPI_MB85RS64_CS_Init();
MySPI_MB85RS64_CS_H;
while(1)
{
//Set Write Enable Latch
CLR_MB85RS64_CS;
Write(MB85RS64_WREN);
SET_MB85RS64_CS;
//Read
CLR_MB85RS64_CS;
Write(MB85RS64_RDSR);
rd_data=Read();
SET_MB85RS64_CS;
printf("stat1==0x%02X ",rd_data);
//Set Write Enable Latch
CLR_MB85RS64_CS;
Write(MB85RS64_WRDI);
SET_MB85RS64_CS;
//Read
CLR_MB85RS64_CS;
Write(MB85RS64_RDSR);
rd_data=Read();
SET_MB85RS64_CS;
printf("stat2==0x%02X ",rd_data);
DelayXms(1000);
}

[color=rgb(51, 102, 153) !important]复制代码

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1条回答

klysa

1楼-- · 2019-07-15 09:42

愤怒的企鹅发表于 2014-3-29 17:09
LZ,你要清楚，MSP430和STM32是两款不同的芯片，可以说根本不一样，你怎么可以一个程序两个都可行呢？不要说 ...

原来是这样啊懂了谢谢

为什么同一程序在STM32上不能运行在MSP430上能运行

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