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fix(modbus): read/write tag value endian

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This commit is contained in:
fengzero
2022-08-30 08:04:21 +00:00
parent e568771d2d
commit 9eba2a7230
1 changed files with 10 additions and 9 deletions
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plugins/modbus/modbus_req.c
+10 -9
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@@ -154,11 +154,13 @@ int modbus_value_handle(void *ctx, uint8_t slave_id, uint16_t n_byte,
switch ((*p_tag)->type) {
case NEU_TYPE_UINT16:
case NEU_TYPE_INT16:
dvalue.value.u16 = ntohs(dvalue.value.u16);
break;
case NEU_TYPE_FLOAT:
case NEU_TYPE_INT32:
case NEU_TYPE_UINT32: {
case NEU_TYPE_UINT32:
dvalue.value.u32 = ntohl(dvalue.value.u32);
break;
}
case NEU_TYPE_BIT: {
switch ((*p_tag)->area) {
case MODBUS_AREA_HOLD_REGISTER:
@@ -220,22 +222,21 @@ int modbus_write(neu_plugin_t *plugin, void *req, neu_datatag_t *tag,
switch (tag->type) {
case NEU_TYPE_UINT16:
case NEU_TYPE_INT16: {
n_byte = sizeof(uint16_t);
value.u16 = htons(value.u16);
n_byte = sizeof(uint16_t);
break;
}
case NEU_TYPE_UINT32:
case NEU_TYPE_INT32: {
n_byte = sizeof(uint32_t);
case NEU_TYPE_INT32:
case NEU_TYPE_FLOAT: {
value.u32 = htonl(value.u32);
n_byte = sizeof(uint32_t);
break;
}
case NEU_TYPE_BIT: {
n_byte = sizeof(uint8_t);
break;
}
case NEU_TYPE_FLOAT: {
n_byte = sizeof(float);
break;
}
case NEU_TYPE_STRING: {
switch (point.option.string.type) {
case NEU_DATATAG_STRING_TYPE_H: