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main.cpp
00001 //#include "mbed.h" 00002 // 00003 //SPI spi(A1, A2, A3); // mosi, miso, sclk 00004 //DigitalOut cs(A0); 00005 // 00006 //uint8_t tx_buf[32] = {'0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F','G','H','I','J','K','L','M','N','O','P','Q','R','S','T','U','V'}; 00007 // 00008 //int main() { 00009 // // Chip must be deselected 00010 // cs = 1; 00011 // 00012 // // Setup the spi for 8 bit data, high steady state clock, 00013 // // second edge capture, with a 1MHz clock rate 00014 // spi.format(8,1); 00015 // spi.frequency(8000000); 00016 // 00017 // // Select the device by seting chip select low 00018 // cs = 0; 00019 // 00020 // for(int i=0; i<32; i++) 00021 // spi.write(tx_buf[i]); 00022 // printf("End of transmission \r\n"); 00023 // 00024 // // Deselect the device 00025 // cs = 1; 00026 //} 00027 00028 #include "mbed.h" 00029 00030 #include "SPISlave_multiByte.h" 00031 SPISlave_multiByte device(A1, A2, A3, p3); // mosi, miso, sclk, ssel 00032 Serial uart(USBTX, USBRX); 00033 00034 #define TXRX_LENGTH 224 //max is 16 00035 int main() { 00036 uart.printf("START!"); 00037 device.format(8,1); 00038 device.frequency(8000000); 00039 00040 device.reply((uint8_t*)"xyz", TXRX_LENGTH); 00041 while(1) { 00042 if(device.receive(TXRX_LENGTH)) { 00043 //Thread::wait(1000); 00044 int ret = device.read(); // Read byte from master 00045 uart.printf("ret = %s ", ret); 00046 00047 } 00048 } 00049 }
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