Tedd OKANO / Mbed 2 deprecated SC18IS606_Hello

test code

Dependencies:   mbed SC18IS606

Sample code for SC18IS606 class library

The SC18IS606 : I2C-bus to SPI bridge

Hello program operation sample on Mbed OS6 is available.

Import programSC18IS606_OS6_Hello

operation test on Mbed OS6

Last commit 29 Jul 2021 by Tedd OKANO

This is a "Hello" code for SC18IS606 class library. Showing how to send/receive data to/from SPI bus through this bridge chip. https://os.mbed.com/media/uploads/okano/screenshot_2021-07-14_13.13.55.png

How to wire the SC18IS606 (using evaluation board) https://os.mbed.com/media/uploads/okano/untitled.png

main.cpp@2:6d65d24e55ed, 2021-07-13 (annotated)

Committer:
okano
Date:
Tue Jul 13 10:46:24 2021 +0000
Revision:
2:6d65d24e55ed
Parent:
1:f0126d924ff8
Child:
4:2759b8e6d5ec
SC18IS606 class lib usage sample (ver.0.1)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
okano 2:6d65d24e55ed 1 /*
okano 2:6d65d24e55ed 2 * SC18IS606 library
okano 2:6d65d24e55ed 3 *
okano 2:6d65d24e55ed 4 * @author Akifumi (Tedd) OKANO, NXP Semiconductors
okano 2:6d65d24e55ed 5 * @version 0.1
okano 2:6d65d24e55ed 6 * @date 13-July-2021
okano 2:6d65d24e55ed 7 *
okano 2:6d65d24e55ed 8 * SC18IS606 is an "I2C-bus to SPI bridge"
okano 2:6d65d24e55ed 9 * http://www.nxp.com/ (product infomation page will be updated later)
okano 2:6d65d24e55ed 10 */
okano 2:6d65d24e55ed 11
okano 0:45ec5ead6731 12 #include "mbed.h"
okano 1:f0126d924ff8 13 #include "SC18IS606.h"
okano 0:45ec5ead6731 14
okano 0:45ec5ead6731 15 I2C i2c( p28, p27 );
okano 1:f0126d924ff8 16 InterruptIn int_line( p21 );
okano 1:f0126d924ff8 17 SC18IS606 bridge( i2c );
okano 0:45ec5ead6731 18
okano 2:6d65d24e55ed 19 #define WAIT_INTERVAL_mS 2
okano 2:6d65d24e55ed 20
okano 0:45ec5ead6731 21 volatile int int_flag = false;
okano 0:45ec5ead6731 22
okano 0:45ec5ead6731 23 void int_handler()
okano 0:45ec5ead6731 24 {
okano 0:45ec5ead6731 25 int_flag = true;
okano 0:45ec5ead6731 26 }
okano 0:45ec5ead6731 27
okano 0:45ec5ead6731 28 int main()
okano 0:45ec5ead6731 29 {
okano 2:6d65d24e55ed 30 printf( "SC18IS606 Hello\r\n" );
okano 2:6d65d24e55ed 31
okano 1:f0126d924ff8 32 int_line.mode( PullUp );
okano 1:f0126d924ff8 33 int_line.fall( &int_handler );
okano 0:45ec5ead6731 34 i2c.frequency( 400 * 1000 );
okano 0:45ec5ead6731 35
okano 2:6d65d24e55ed 36 char s[ 256 ];
okano 0:45ec5ead6731 37
okano 0:45ec5ead6731 38 for ( int i = 0; i < 256; i++ ) {
okano 1:f0126d924ff8 39 s[ i ] = i;
okano 0:45ec5ead6731 40 }
okano 0:45ec5ead6731 41
okano 0:45ec5ead6731 42 while(1) {
okano 1:f0126d924ff8 43 bridge.transfer( s, NULL, sizeof( s ) );
okano 0:45ec5ead6731 44
okano 0:45ec5ead6731 45 while ( !int_flag )
okano 0:45ec5ead6731 46 ;
okano 0:45ec5ead6731 47
okano 2:6d65d24e55ed 48 bridge.clear_interrupt();
okano 0:45ec5ead6731 49 int_flag = false;
okano 0:45ec5ead6731 50
okano 2:6d65d24e55ed 51 wait_ms( WAIT_INTERVAL_mS );
okano 0:45ec5ead6731 52 }
okano 0:45ec5ead6731 53 }