Diff: main.cpp

Revision:

0:e6cd94d6b17a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Jul 29 18:54:47 2021 +0000
@@ -0,0 +1,78 @@
+/*
+ *  "Hello code" for SC18IS606 library
+ *
+ *  @author     Akifumi (Tedd) OKANO, NXP Semiconductors
+ *  @version    0.2
+ *  @date       28-July-2021
+ *
+ *  SC18IS606 is an "I2C-bus to SPI bridge"
+ *  http://www.nxp.com/ (product infomation page will be updated later)
+ */
+
+#include "mbed.h"
+#include "SC18IS606.h"
+
+I2C         i2c( p28, p27 );
+InterruptIn int_line( p21 );
+SC18IS606   bridge( i2c );      //  make a SC18IS606 instance as "bridge"
+
+#define I2C_FREQUENCY       (400 * 1000)    // Hz
+#define SLAVE_SELECT_NUM    0
+#define DATA_LENGTH         256
+
+void    data_check( char *data, int length );
+
+volatile int    int_flag    = false;
+
+void int_handler()
+{
+    int_flag    = true;
+}
+
+void wait_transfer_done( void )
+{
+    while ( !int_flag )
+        ;
+
+    bridge.clear_interrupt();
+    int_flag    = false;
+}
+
+void hardware_settings( void )
+{
+    int_line.mode( PullUp );
+    int_line.fall( &int_handler );
+    i2c.frequency( I2C_FREQUENCY );
+}
+
+int main()
+{
+    printf( "SC18IS606 Hello\r\n" );
+
+    hardware_settings();
+    bridge.install_wait_func( wait_transfer_done );
+
+    printf( "%s\r\n", bridge.read_version() );
+    
+    char    snd_data[ DATA_LENGTH ];
+    char    rcv_data[ DATA_LENGTH ]; 
+
+    for ( int i = 0; i < DATA_LENGTH; i++ ) {
+        snd_data[ i ]  = i;
+    }
+
+    while(1) {
+        bridge.transfer( SLAVE_SELECT_NUM, snd_data, sizeof( snd_data ) );
+        bridge.read_buffer( rcv_data, sizeof( rcv_data ) );
+        data_check( rcv_data, DATA_LENGTH );
+    }
+}
+
+void data_check( char *data, int length )
+{
+    for ( int i = 0; i < length; i++ ) {
+        if ( !(i % 16) )
+            printf( "\r\n %02X :", i );
+        printf( " %02X", data[ i ] );
+    }
+}