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82 lines
2.2 KiB
C

#include "SWM221.h"
void SerialInit(void);
int main(void)
{
ADC_InitStructure ADC_initStruct;
ADC_SEQ_InitStructure ADC_SEQ_initStruct;
SystemInit();
SerialInit();
/* ʹ<><CAB9><EFBFBD>¶ȴ<C2B6><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>¶ȴ<C2B6><C8B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ADC0 <20><> CH9
* <EFBFBD>ȴ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ѹ<EFBFBD><EFBFBD><EFBFBD>ȱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ϊ7mV/<EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> ADC <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ȼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ϵ<EFBFBD><EFBFBD><EFBFBD>ɸ<EFBFBD><EFBFBD>ݹ<EFBFBD>ʽ<EFBFBD><EFBFBD>y = kx + b
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֪<EFBFBD>Ⱥ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ӧ ADC <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> k <EFBFBD><EFBFBD> b
******************************************************/
SYS->TEMPCR |= SYS_TEMPCR_EN_Msk;
ADC_initStruct.clkdiv = 4;
ADC_initStruct.refsrc = ADC_REF_VDD;
ADC_initStruct.samplAvg = ADC_AVG_SAMPLE1;
ADC_Init(ADC0, &ADC_initStruct);
ADC_SEQ_initStruct.trig_src = ADC_TRIGGER_SW;
ADC_SEQ_initStruct.samp_tim = 6;
ADC_SEQ_initStruct.conv_cnt = 1;
ADC_SEQ_initStruct.EOCIntEn = 0;
ADC_SEQ_initStruct.channels = (uint8_t []){ ADC_CH9, 0xF };
ADC_SEQ_Init(ADC0, ADC_SEQ0, &ADC_SEQ_initStruct);
ADC_Open(ADC0);
while(1==1)
{
ADC_Start(ADC_SEQ0, 0);
while(ADC_Busy(ADC0)) __NOP();
printf("%4d,", ADC_Read(ADC0, ADC_CH9));
}
}
void SerialInit(void)
{
UART_InitStructure UART_initStruct;
PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); //GPIOA.0<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪUART0 RXD
PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); //GPIOA.1<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ΪUART0 TXD
UART_initStruct.Baudrate = 57600;
UART_initStruct.DataBits = UART_DATA_8BIT;
UART_initStruct.Parity = UART_PARITY_NONE;
UART_initStruct.StopBits = UART_STOP_1BIT;
UART_initStruct.RXThreshold = 3;
UART_initStruct.RXThresholdIEn = 0;
UART_initStruct.TXThreshold = 3;
UART_initStruct.TXThresholdIEn = 0;
UART_initStruct.TimeoutTime = 10;
UART_initStruct.TimeoutIEn = 0;
UART_Init(UART0, &UART_initStruct);
UART_Open(UART0);
}
/******************************************************************************************************************************************
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: fputc()
* <EFBFBD><EFBFBD><EFBFBD><EFBFBD>˵<EFBFBD><EFBFBD>: printf()ʹ<EFBFBD>ô˺<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>ʵĴ<EFBFBD><EFBFBD>ڴ<EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: int ch Ҫ<EFBFBD><EFBFBD>ӡ<EFBFBD><EFBFBD><EFBFBD>ַ<EFBFBD>
* FILE *f <EFBFBD>ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
* <EFBFBD><EFBFBD> <EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
* ע<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>: <EFBFBD><EFBFBD>
******************************************************************************************************************************************/
int fputc(int ch, FILE *f)
{
UART_WriteByte(UART0, ch);
while(UART_IsTXBusy(UART0));
return ch;
}