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:
- 7:df3611f05b77
- Parent:
- 6:741cdb9c5726
--- a/main.cpp Sun Jul 25 08:30:18 2021 +0000
+++ b/main.cpp Wed Jul 28 01:48:47 2021 +0000
@@ -1,9 +1,9 @@
/*
- * SC18IS606 library
+ * "Hello code" for SC18IS606 library
*
* @author Akifumi (Tedd) OKANO, NXP Semiconductors
- * @version 0.1
- * @date 13-July-2021
+ * @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)
@@ -14,7 +14,7 @@
I2C i2c( p28, p27 );
InterruptIn int_line( p21 );
-SC18IS606 bridge( i2c );
+SC18IS606 bridge( i2c ); // make a SC18IS606 instance as "bridge"
#define I2C_FREQUENCY (400 * 1000) // Hz
#define SLAVE_SELECT_NUM 0
@@ -38,13 +38,18 @@
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" );
- int_line.mode( PullUp );
- int_line.fall( &int_handler );
- i2c.frequency( I2C_FREQUENCY );
+ hardware_settings();
bridge.install_wait_func( wait_transfer_done );
char snd_data[ DATA_LENGTH ];
@@ -57,11 +62,10 @@
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 );
+ data_check( rcv_data, DATA_LENGTH );
}
}
-
void data_check( char *data, int length )
{
for ( int i = 0; i < length; i++ ) {
@@ -69,5 +73,4 @@
printf( "\r\n %02X :", i );
printf( " %02X", data[ i ] );
}
-
}