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84 lines
2.6 KiB
C

#include "SWM221.h"
void SerialInit(void);
int main(void)
{
ADC_InitStructure ADC_initStruct;
ADC_SEQ_InitStructure ADC_SEQ_initStruct;
SystemInit();
SerialInit();
PORT_Init(PORTA, PIN14, PORTA_PIN14_ADC0_CH0, 0); //PA.14 => ADC0.CH0
PORT_Init(PORTA, PIN11, PORTA_PIN11_ADC0_CH1, 0); //PA.11 => ADC0.CH1注意此通道只在 ADC 参考源为 ADC_REF_VDD 时可用
PORT_Init(PORTA, PIN8, PORTA_PIN8_ADC0_CH2, 0); //PA.8 => ADC0.CH2
PORT_Init(PORTB, PIN6, PORTB_PIN6_ADC0_CH5, 0); //PB.6 => ADC0.CH5
PORT_Init(PORTB, PIN5, PORTB_PIN5_ADC0_CH6, 0); //PB.5 => ADC0.CH6
PORT_Init(PORTB, PIN4, PORTB_PIN4_ADC0_CH7, 0); //PB.4 => ADC0.CH7
PORT_Init(PORTB, PIN2, PORTB_PIN2_ADC0_CH8, 0); //PB.2 => ADC0.CH8
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_TIMER1;
ADC_SEQ_initStruct.samp_tim = 6;
ADC_SEQ_initStruct.conv_cnt = 1;
ADC_SEQ_initStruct.EOCIntEn = 0;
ADC_SEQ_initStruct.channels = (uint8_t []){ ADC_CH0, 0xF };
ADC_SEQ_Init(ADC0, ADC_SEQ0, &ADC_SEQ_initStruct);
ADC_Open(ADC0);
TIMR_Init(TIMR1, TIMR_MODE_TIMER, CyclesPerUs, 2000, 0); // 500Hz
TIMR_Start(TIMR1);
while(1==1)
{
while(ADC_DataAvailable(ADC0, ADC_CH0) == 0) __NOP();
printf("%4d,", ADC_Read(ADC0, ADC_CH0));
}
}
void SerialInit(void)
{
UART_InitStructure UART_initStruct;
PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); //GPIOA.0配置为UART0 RXD
PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); //GPIOA.1配置为UART0 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);
}
/******************************************************************************************************************************************
* : fputc()
* : printf()使
* : int ch
* FILE *f
* :
* :
******************************************************************************************************************************************/
int fputc(int ch, FILE *f)
{
UART_WriteByte(UART0, ch);
while(UART_IsTXBusy(UART0));
return ch;
}