SPI_slave_frdm
Dependencies: mbed-src
Fork of SPI_slave_lpc1114fn28 by
Revision 3:e75751703666, committed 2015-04-01
- Comitter:
- armdran
- Date:
- Wed Apr 01 13:02:00 2015 +0000
- Parent:
- 2:afe790b8cd5a
- Commit message:
- working spi slave connection on frdm
Changed in this revision
main.cpp | Show annotated file Show diff for this revision Revisions of this file |
diff -r afe790b8cd5a -r e75751703666 main.cpp --- a/main.cpp Wed Apr 01 09:12:42 2015 +0000 +++ b/main.cpp Wed Apr 01 13:02:00 2015 +0000 @@ -1,44 +1,44 @@ #include "mbed.h" //SPI Slave -SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel +//SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel //nope +//SPISlave device(D11, D12, D13, PTA14); // mosi, miso, sclk, ssel //nope + +//frdm +SPISlave device(D11, D12, D13, D10); // mosi, miso, sclk, ssel //nope + +//archble +//SPISlave device(p25, p28, p29, p24); // mosi, miso, sclk, ssel //nope + //SPISlave device(PTA16, PTA17, PTA15, PTB9); // mosi, miso, sclk, ssel //SPISlave device(PTD6, PTD7, PTD5, PTD4); // mosi, miso, sclk, ssel //SPISlave device(PTA16, PTA17, PTA15, D10); Serial pc(USBTX, USBRX); - int main() { - //pc.baud(9600); +int main() { + pc.baud(9600); + //pc.format(8, SerialBase::None, 1); - device.frequency(100000); - device.format(8, 0); + device.frequency(1000000); + //device.format(8, 0); + + //frm requires mode 1 + device.format(8, 1); + + pc.printf("common. work.\r\n"); int i = 0; while(1) { - uint8_t instruction = 0xAB; - - pc.printf("waiting for instruction"); device.reply(0xFF); + //pc.printf("press any key\r\n"); + //pc.getc(); - while(!device.receive()) { - if(i++ % 10000 == 0) { - printf("."); - } - } - pc.printf("\r\n"); - - instruction = device.read(); // Read byte from master - - if(instruction == 0xFF) { - continue; - } - - uint8_t reply = instruction + 0x10; - device.reply(reply); - - pc.printf("waiting for reply signal"); + //ir = 1; + //ir = 0; + + pc.printf("waiting for instructions\r\n"); while(!device.receive()) { if(i++ % 10000 == 0) { @@ -47,10 +47,30 @@ } pc.printf("\r\n"); + uint8_t instruction = device.read(); // Read byte from master + + if(instruction == 0xFF) { + pc.printf("instruction was FF...\r\n"); + continue; + } + pc.printf("instruction: 0x%X; dummy_reply: 0x%X; ", instruction, 0xFF); + + uint8_t reply = instruction + 0x10; + //uint8_t reply = instruction << 1; + device.reply(reply); + + pc.printf("waiting for reply signal"); + while(!device.receive()) { + if(i++ % 10000 == 0) { + printf("."); + } + } + pc.printf("\r\n"); uint8_t ignore = device.read(); - - pc.printf("instruction: 0x%X; reply: 0x%X; dummy_instruction: 0x%X\r\n", instruction, reply, ignore); + pc.printf("dummy_instruction: 0x%X; reply: 0x%X\r\n", ignore, reply); + + //pc.printf("instruction: 0x%X; reply: 0x%X; dummy_instruction: 0x%X\r\n", instruction, reply, ignore); }