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mb master, slave add custom fc handlers

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aleks committed 2025-03-10 16:09:03 +01:00
1 parent a54f11355c
commit fc8fc06fc5
23 files changed
+438 -84
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modbus/mb_controller/common/esp_modbus_slave.c
+30
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@@ -547,3 +547,33 @@ mb_err_enum_t mbc_reg_discrete_slave_cb(mb_base_t *inst, uint8_t *reg_buffer, ui
}
return status;
}
/**
* Register or override command handler for the command in slave command handler table
*/
esp_err_t mbc_slave_set_handler(void *ctx, uint8_t func_code, mb_fn_handler_fp phandler)
{
MB_RETURN_ON_FALSE(ctx, ESP_ERR_INVALID_STATE, TAG,
"Slave interface is not correctly initialized.");
mbs_controller_iface_t *mbs_controller = MB_SLAVE_GET_IFACE(ctx);
mb_base_t *pmb_obj = (mb_base_t *)mbs_controller->mb_base;
MB_RETURN_ON_FALSE((pmb_obj && !pmb_obj->descr.is_master), ESP_ERR_INVALID_STATE, TAG,
"Slave interface is not correctly initialized.");
mb_err_enum_t ret = mbs_set_handler(func_code, phandler);
return MB_ERR_TO_ESP_ERR(ret);
}
/**
* Get slave command handler from the slave command handler table
*/
esp_err_t mbc_slave_get_handler(void *ctx, uint8_t func_code, mb_fn_handler_fp *phandler)
{
MB_RETURN_ON_FALSE(ctx, ESP_ERR_INVALID_STATE, TAG,
"Slave interface is not correctly initialized.");
mbs_controller_iface_t *mbs_controller = MB_SLAVE_GET_IFACE(ctx);
mb_base_t *pmb_obj = (mb_base_t *)mbs_controller->mb_base;
MB_RETURN_ON_FALSE((pmb_obj && !pmb_obj->descr.is_master), ESP_ERR_INVALID_STATE, TAG,
"Slave interface is not correctly initialized.");
mb_err_enum_t ret = mbs_get_handler(func_code, phandler);
return MB_ERR_TO_ESP_ERR(ret);
}