Tedd OKANO
test code
Sample code for SC18IS606 class library
The SC18IS606 : I2C-bus to SPI bridge
Hello program operation sample on Mbed OS6 is available.
This is a "Hello" code for SC18IS606 class library. Showing how to send/receive data to/from SPI bus through this bridge chip.
How to wire the SC18IS606 (using evaluation board)
Diff: main.cpp
- Revision:
- 0:45ec5ead6731
- Child:
- 1:f0126d924ff8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Jul 13 07:20:21 2021 +0000
@@ -0,0 +1,47 @@
+#include "mbed.h"
+
+I2C i2c( p28, p27 );
+InterruptIn int_signal( p21 );
+
+
+#define TARG_ADDRESS 0x50
+#define FuncID_WRITE_BUFFER 0x00
+#define FuncID_ClearIntrrupt 0xF1
+
+#define SS_BITMAP 0x01
+
+volatile int int_flag = false;
+
+void int_handler()
+{
+ int_flag = true;
+}
+
+int main()
+{
+ char s[ 256 + 1 ];
+ char int_clear = FuncID_ClearIntrrupt;
+
+ int_signal.mode( PullUp );
+ int_signal.fall( &int_handler );
+ i2c.frequency( 400 * 1000 );
+
+ s[ 0 ] = FuncID_WRITE_BUFFER | SS_BITMAP;
+
+ for ( int i = 0; i < 256; i++ ) {
+ *(s + i + 1) = i;
+ }
+
+
+ while(1) {
+ i2c.write( TARG_ADDRESS, s, sizeof( s ) );
+
+ while ( !int_flag )
+ ;
+
+ i2c.write( TARG_ADDRESS, &int_clear, sizeof( int_clear ) );
+ int_flag = false;
+
+ wait_ms( 2 );
+ }
+}