X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Fmodbus.c;h=adab0d0fe8e0756641a509b0c39b6373c44735b4;hb=96c7236a210a3e85116c053ac79fe10c38a3a9d4;hp=656d9c835afa138764008e2c94575884c4d62743;hpb=890c7b9599118e718928a10767752d3ba7e992e3;p=collectd.git diff --git a/src/modbus.c b/src/modbus.c index 656d9c83..adab0d0f 100644 --- a/src/modbus.c +++ b/src/modbus.c @@ -24,8 +24,18 @@ #include "plugin.h" #include "configfile.h" +#include + #include +#ifndef MODBUS_TCP_DEFAULT_PORT +# ifdef MODBUS_TCP_PORT +# define MODBUS_TCP_DEFAULT_PORT MODBUS_TCP_PORT +# else +# define MODBUS_TCP_DEFAULT_PORT 502 +# endif +#endif + /* * * RegisterBase 1234 @@ -212,12 +222,16 @@ static int mb_submit (mb_host_t *host, mb_slave_t *slave, /* {{{ */ if ((host == NULL) || (slave == NULL) || (data == NULL)) return (EINVAL); + if (host->interval <= 0) + host->interval = interval_g; + if (slave->instance[0] == 0) ssnprintf (slave->instance, sizeof (slave->instance), "slave_%i", slave->id); vl.values = &value; vl.values_len = 1; + vl.interval = host->interval; sstrncpy (vl.host, host->host, sizeof (vl.host)); sstrncpy (vl.plugin, "modbus", sizeof (vl.plugin)); sstrncpy (vl.plugin_instance, slave->instance, sizeof (vl.plugin_instance)); @@ -267,8 +281,10 @@ static int mb_init_connection (mb_host_t *host) /* {{{ */ modbus_set_debug (&host->connection, 1); +#if 0 /* We'll do the error handling ourselves. */ modbus_set_error_handling (&host->connection, NOP_ON_ERROR); +#endif if ((host->port < 1) || (host->port > 65535)) host->port = MODBUS_TCP_DEFAULT_PORT; @@ -277,8 +293,10 @@ static int mb_init_connection (mb_host_t *host) /* {{{ */ host->node, host->port); modbus_init_tcp (&host->connection, - /* host = */ host->node, + /* host = */ host->node); +#if 0 /* port = */ host->port); +#endif status = modbus_connect (&host->connection); if (status != 0) @@ -307,7 +325,7 @@ static int mb_init_connection (mb_host_t *host) /* {{{ */ static int mb_read_data (mb_host_t *host, mb_slave_t *slave, /* {{{ */ mb_data_t *data) { - uint16_t values[2]; + int values[2]; int values_num; const data_set_t *ds; int status; @@ -792,9 +810,8 @@ static int mb_config_add_host (oconfig_item_t *ci) /* {{{ */ else interval.tv_sec = 0; - plugin_register_complex_read (name, mb_read, - (interval.tv_sec > 0) ? &interval : NULL, - &ud); + plugin_register_complex_read (/* group = */ NULL, name, + mb_read, (interval.tv_sec > 0) ? &interval : NULL, &ud); } else { @@ -828,47 +845,6 @@ static int mb_config (oconfig_item_t *ci) /* {{{ */ /* ========= */ -#if 0 -static int foo (void) /* {{{ */ -{ - int status; - uint16_t values[2]; - int values_num; - - if (dev == NULL) - return (EINVAL); - - printf ("mb_read (addr = %i, float = %s);\n", register_addr, - is_float ? "true" : "false"); - - memset (values, 0, sizeof (values)); - if (is_float) - values_num = 2; - else - values_num = 1; - - status = read_holding_registers (dev->connection, - /* slave = */ 1, /* start_addr = */ register_addr, - /* num_registers = */ values_num, /* buffer = */ values); - printf ("read_coil_status returned with status %i\n", status); - if (status <= 0) - return (EAGAIN); - - if (is_float) - { - float value = mb_register_to_float (values[0], values[1]); - printf ("read_coil_status returned value %g (hi %#"PRIx16", lo %#"PRIx16")\n", - value, values[0], values[1]); - } - else - { - printf ("read_coil_status returned value %"PRIu16"\n", values[0]); - } - - return (0); -} /* }}} int foo */ -#endif - static int mb_shutdown (void) /* {{{ */ { data_free_all (data_definitions);