[PATCH] commands: i2c: Listen for CTRL-C when probing

[PATCH] commands: i2c: Listen for CTRL-C when probing

[Andrey Smirnov]

Allow I2C bus probing to be interrupted early by sending CTRL-C. This is
usefull when calling the tool without any arguments and one of the busses
is misconfigured (waiting for 100+ failures is pretty inconvenient).

Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
---
 commands/i2c.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/commands/i2c.c b/commands/i2c.c
index ae7f7fc..573032a 100644
--- a/commands/i2c.c
+++ b/commands/i2c.c
@@ -32,7 +32,7 @@ static void i2c_probe_range(struct i2c_adapter *adapter, int startaddr, int stop
 	client.adapter = adapter;
 
 	printf("probing i2c%d range 0x%02x-0x%02x: ", adapter->nr, startaddr, stopaddr);
-	for (addr = startaddr; addr <= stopaddr; addr++) {
+	for (addr = startaddr; addr <= stopaddr && !ctrlc(); addr++) {
 		client.addr = addr;
 		ret = i2c_write_reg(&client, 0x00, &reg, 0);
 		if (ret == 0)
-- 
2.5.5


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Re: [PATCH] commands: i2c: Listen for CTRL-C when probing

[Sascha Hauer]

On Tue, Nov 15, 2016 at 06:46:27AM -0800, Andrey Smirnov wrote:
> Allow I2C bus probing to be interrupted early by sending CTRL-C. This is
> usefull when calling the tool without any arguments and one of the busses
> is misconfigured (waiting for 100+ failures is pretty inconvenient).
> 
> Signed-off-by: Andrey Smirnov <andrew.smirnov@gmail.com>
> ---
>  commands/i2c.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

Applied, thanks

Sascha

> 
> diff --git a/commands/i2c.c b/commands/i2c.c
> index ae7f7fc..573032a 100644
> --- a/commands/i2c.c
> +++ b/commands/i2c.c
> @@ -32,7 +32,7 @@ static void i2c_probe_range(struct i2c_adapter *adapter, int startaddr, int stop
>  	client.adapter = adapter;
>  
>  	printf("probing i2c%d range 0x%02x-0x%02x: ", adapter->nr, startaddr, stopaddr);
> -	for (addr = startaddr; addr <= stopaddr; addr++) {
> +	for (addr = startaddr; addr <= stopaddr && !ctrlc(); addr++) {
>  		client.addr = addr;
>  		ret = i2c_write_reg(&client, 0x00, &reg, 0);
>  		if (ret == 0)
> -- 
> 2.5.5
> 
> 
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> barebox@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/barebox
> 

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