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87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
#include "SWM221.h"
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/* QSPI use as normal SPI (half-duplex) */
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void SerialInit(void);
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int main(void)
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{
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QSPI_InitStructure QSPI_initStruct;
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uint8_t txbuf[8] = { 0x01, 0x12, 0x23, 0x34, 0x45, 0x56, 0x67, 0x78 };
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uint8_t rxbuf[8] = { 0x00 };
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SystemInit();
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SerialInit();
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PORT_Init(PORTC, PIN3, PORTC_PIN3_QSPI0_SCLK, 0);
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PORT_Init(PORTC, PIN2, PORTC_PIN2_QSPI0_SSEL, 0);
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PORT_Init(PORTA, PIN15, PORTA_PIN15_QSPI0_MOSI, 1);
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PORT_Init(PORTB, PIN0, PORTB_PIN0_QSPI0_MISO, 1);
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// PORT_Init(PORTB, PIN1, PORTB_PIN1_QSPI0_D2, 1);
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// PORT_Init(PORTB, PIN2, PORTB_PIN2_QSPI0_D3, 1);
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QSPI_initStruct.Size = QSPI_Size_16MB;
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QSPI_initStruct.ClkDiv = 8;
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QSPI_initStruct.ClkMode = QSPI_ClkMode_3;
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QSPI_initStruct.SampleShift = (QSPI_initStruct.ClkDiv == 2) ? QSPI_SampleShift_1_SYSCLK : QSPI_SampleShift_NONE;
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QSPI_initStruct.IntEn = 0;
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QSPI_Init(QSPI0, &QSPI_initStruct);
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QSPI_Open(QSPI0);
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while(1==1)
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{
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QSPI_SPI_Write(QSPI0, txbuf, sizeof(txbuf));
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for(int i = 0; i < SystemCoreClock / 16; i++) __NOP();
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QSPI_SPI_Read(QSPI0, rxbuf, sizeof(rxbuf));
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printf("Received data: %02X, %02X, %02X, %02X, %02X, %02X, %02X, %02X\n",
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rxbuf[0], rxbuf[1], rxbuf[2], rxbuf[3], rxbuf[4], rxbuf[5], rxbuf[6], rxbuf[7]);
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for(int i = 0; i < SystemCoreClock / 16; i++) __NOP();
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}
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}
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void SerialInit(void)
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{
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UART_InitStructure UART_initStruct;
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PORT_Init(PORTA, PIN0, PORTA_PIN0_UART0_RX, 1); //GPIOA.0ÅäÖÃΪUART0 RXD
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PORT_Init(PORTA, PIN1, PORTA_PIN1_UART0_TX, 0); //GPIOA.1ÅäÖÃΪUART0 TXD
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UART_initStruct.Baudrate = 57600;
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UART_initStruct.DataBits = UART_DATA_8BIT;
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UART_initStruct.Parity = UART_PARITY_NONE;
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UART_initStruct.StopBits = UART_STOP_1BIT;
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UART_initStruct.RXThreshold = 3;
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UART_initStruct.RXThresholdIEn = 0;
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UART_initStruct.TXThreshold = 3;
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UART_initStruct.TXThresholdIEn = 0;
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UART_initStruct.TimeoutTime = 10;
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UART_initStruct.TimeoutIEn = 0;
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UART_Init(UART0, &UART_initStruct);
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UART_Open(UART0);
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}
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/******************************************************************************************************************************************
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* º¯ÊýÃû³Æ: fputc()
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* ¹¦ÄÜ˵Ã÷: printf()ʹÓô˺¯ÊýÍê³Éʵ¼ÊµÄ´®¿Ú´òÓ¡¶¯×÷
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* Êä Èë: int ch Òª´òÓ¡µÄ×Ö·û
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* FILE *f Îļþ¾ä±ú
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* Êä ³ö: ÎÞ
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* ×¢ÒâÊÂÏî: ÎÞ
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******************************************************************************************************************************************/
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int fputc(int ch, FILE *f)
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{
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UART_WriteByte(UART0, ch);
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while(UART_IsTXBusy(UART0));
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return ch;
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}
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