[jira] [Resolved] (MYNEWT-529) i2c bus scanner

["Marko Kiiskila (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/MYNEWT-529?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Marko Kiiskila resolved MYNEWT-529.
-----------------------------------
    Resolution: Fixed

Now available as separate package test/i2c_scan

> i2c bus scanner
> ---------------
>
>                 Key: MYNEWT-529
>                 URL: https://issues.apache.org/jira/browse/MYNEWT-529
>             Project: Mynewt
>          Issue Type: New Feature
>      Security Level: Public(Viewable by anyone) 
>          Components: HAL
>            Reporter: Marko Kiiskila
>            Assignee: Marko Kiiskila
>            Priority: Minor
>             Fix For: v1_1_0_rel
>
>
> Bring in Kevin's i2c bus scanner, probably in form of separate package.
> test/i2c_tools maybe?
>   static int
>   shell_i2cscan_cmd(int argc, char **argv)
>   {
>        uint8_t addr;
>        int32_t timeout = OS_TICKS_PER_SEC / 10;
>        uint8_t dev_count = 0;
>        console_printf("Scanning I2C bus 0\n"
>                       "     0  1  2  3  4  5  6  7  8  9 a  b  c  d    e  f\n"
>                       "00:                         ");
>        /* Scan all valid I2C addresses (0x03..0x77) */
>        for (addr = 0x08; addr < 0x78; addr++) {
>            int rc = hal_i2c_master_probe(0, addr, timeout);
>            /* Print addr header every 16 bytes */
>            if (!(addr % 16)) {
>              console_printf("\n%02x: ", addr);
>            }
>            /* Display the addr if a response was received */
>            if (!rc) {
>                console_printf("%02x ", addr);
>                dev_count++;
>            } else {
>                console_printf("-- ");
>            }
>        }
>        console_printf("\nFound %u devices on I2C bus 0\n", dev_count);
>        return 0;
>   }



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