Diff: main.cpp

Revision:

0:0b1ae70a694b

Child:

1:e0679b70b51d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Sun Oct 30 12:29:23 2016 +0000
@@ -0,0 +1,45 @@
+#include "mbed.h"
+#include "rtos.h"
+#include "ExioMcp23s17.h"
+
+SPI Spi(PC_12, PC_11, PC_10); // SPI3: mosi, miso, sclk
+//SPI Spi(PA_7, PA_6, PA_5); // SPI1:  mosi, miso, sclk
+
+// MExioMcp23s17(int hardwareaddress, SPI& spi, PinName nCs, PinName nReset);
+ExioMcp23s17 Exio(0x00, Spi, PD_2, PA_13);
+
+void ExioMcp23s17Test()
+{
+    printf("\r\n\n*** ExioMcp23s17 ***\r\n");
+
+    // Reset MCP23S17
+    Exio.reset();
+    
+    // PORTA output
+    Exio.ioDirection(ExioPortA, 0x00);
+
+    // PORTB input
+    Exio.ioDirection(ExioPortB, 0xFF);
+    // PORTB pull-up
+    Exio.ioPullup(ExioPortB, 0xFF);
+    // PORTB invert polarity
+    Exio.ioPolarity(ExioPortB, 0xFF);
+    
+    // LED Check
+    for (int i = 0; i < 8; i++) {
+        Exio.writePort(ExioPortA, 1 << i);
+        wait(0.1);
+    }
+    Exio.writePort(ExioPortB, 0x00);
+    
+    while (true) {
+        char data = Exio.readPort(ExioPortB);
+        wait_us(1);
+        Exio.writePort(ExioPortA, data);
+    }
+}
+
+int main()
+{
+    ExioMcp23s17Test();
+}
\ No newline at end of file