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view src/cs/services/atp/atp_uart_env.c @ 19:399779c700da
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| author | Mychaela Falconia <falcon@freecalypso.org> |
|---|---|
| date | Fri, 15 May 2020 05:59:55 +0000 |
| parents | 92470e5d0b9e |
| children |
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/********************************************************************************/ /* */ /* File Name: atp_uart_env.c */ /* */ /* Purpose: This file contains the functions used to: */ /* - get some information about the ATP-UART */ /* interface, such as its name or the memory */ /* requirements, */ /* - set the memory bank identifier dedicated to the */ /* ATP-UART interface, */ /* - initialize the ATP-UART interface, */ /* - activate the ATP-UART interface, */ /* - prepare the termination of the ATP-UART */ /* interface, */ /* - kill the ATP-UART interface. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /* (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved. */ /* */ /********************************************************************************/ #include "atp/atp_uart_i.h" #include "atp/atp_uart_env.h" #include "rvm/rvm_priorities.h" #include "rvm/rvm_use_id_list.h" /******************** GLOBAL ATP-UART INTERFACE CONTROL BLOCK *******************/ /* */ /* Define a pointer to the 'Global ATP-UART Interface Control Block'. */ T_ATP_UART_CTRL_BLK *gbl_atp_uart_ctrl_blk_p = NULL; /********************************************************************************/ /* */ /* Function Name: atp_uart_get_info */ /* */ /* Purpose: This function gets some information about the ATP-UART */ /* interface, such as its name or the required resources. */ /* */ /* Input Parameters: */ /* info_software_entity_p - Points to the structure gathering information */ /* about the ATP-UART interface. */ /* */ /* Output Parameters: None. */ /* */ /* Global Parameters: None. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /********************************************************************************/ T_RVM_RETURN atp_uart_get_info (T_RVM_INFO_SWE *info_software_entity_p) { /*********************** atp_uart_get_info function begins **********************/ /* Get some information about the ATP-UART interface, such as its priority */ /* or the number of needed memory banks. */ info_software_entity_p->swe_type = RVM_SWE_TYPE_4; ((info_software_entity_p->type_info).type4).stack_size = ATP_UART_STACK_SIZE; ((info_software_entity_p->type_info).type4).priority = RVM_ATP_UART_TASK_PRIORITY; ((info_software_entity_p->type_info).type4).nb_mem_bank = 0x01; /* Get the name of the ATP-UART interface. */ strcpy (((info_software_entity_p->type_info).type4).swe_name, ATP_UART_NAME); /* Get the unique entity identifier assigned to the ATP-UART interface. */ ((info_software_entity_p->type_info).type4).swe_use_id = ATP_UART_USE_ID; /* Get some information about the 'Memory Bank' assigned to the ATP-UART */ /* interface, such as its size or the corresponding watermarks. */ strcpy ((((info_software_entity_p->type_info).type4).mem_bank[0]).bank_name, "ATP_UART"); ((((info_software_entity_p->type_info).type4).mem_bank[0]).initial_params).size = ATP_UART_MB_PRIM_SIZE; ((((info_software_entity_p->type_info).type4).mem_bank[0]).initial_params).watermark = ATP_UART_MB_PRIM_WATERMARK; /* Notify the 'Riviera Manager' of the callback functions to be used in */ /* order to run the ATP-UART interface. */ ((info_software_entity_p->type_info).type4).set_info = atp_uart_set_info; ((info_software_entity_p->type_info).type4).init = atp_uart_init; ((info_software_entity_p->type_info).type4).core = atp_uart_core; ((info_software_entity_p->type_info).type4).stop = atp_uart_stop; ((info_software_entity_p->type_info).type4).kill = atp_uart_kill; /* Notify the 'Riviera Manager' of the fact that the ATP-UART interface */ /* requires to be layered above the AT Parser. */ ((info_software_entity_p->type_info).type4).nb_linked_swe = 0x01; ((info_software_entity_p->type_info).type4).linked_swe_id[0] = ATP_USE_ID; return (RVM_OK); } /********************** End of atp_uart_get_info function *********************/ /********************************************************************************/ /* */ /* Function Name: atp_uart_set_info */ /* */ /* Purpose: This function sets the memory bank identifiers */ /* dedicated to the ATP-UART interface. */ /* */ /* Input Parameters: */ /* addr_id - Contains the unique address identifier assigned */ /* to the ATP-UART interface. */ /* return_path_p - Points to the information regarding return paths */ /* assigned to other linked software entities. */ /* mb_id_p - Points to the memory bank identifiers assigned to */ /* the ATP-UART interface. */ /* error_function_p - Function to be called in order to report any */ /* unrecoverable error. */ /* */ /* Output Parameters: None. */ /* */ /* Global Parameters: None. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /********************************************************************************/ T_RVM_RETURN atp_uart_set_info (T_RVF_ADDR_ID addr_id, T_RV_RETURN return_path_p[], T_RVF_MB_ID *mb_id_p, T_RVM_CB_FUNC error_function_p) { /* Declare a local variable. */ T_RVF_MB_STATUS mb_status = RVF_GREEN; /*********************** atp_uart_set_info function begins **********************/ /* Allocate memory required to store the 'Global ATP-UART Interface Control */ /* Block'. */ mb_status = rvf_get_buf (mb_id_p[0], sizeof (T_ATP_UART_CTRL_BLK), (T_RVF_BUFFER **) (&gbl_atp_uart_ctrl_blk_p)); /* If insufficient resources to properly run the ATP-UART interface, then */ /* report an internal memory error and abort. */ switch (mb_status) { case RVF_GREEN: { /* Initialize the 'Global ATP-UART Interface Control Block'. */ memset ((T_RVF_BUFFER *) (gbl_atp_uart_ctrl_blk_p), 0x00, sizeof (T_ATP_UART_CTRL_BLK)); /* Store the memory bank identifier assigned to the ATP-UART */ /* interface. */ gbl_atp_uart_ctrl_blk_p->mb_id = mb_id_p[0]; /* Store the unique address identifier assigned to the ATP-UART */ /* interface. */ gbl_atp_uart_ctrl_blk_p->addr_id = addr_id; /* Store the function to be called whenever any unrecoverable */ /* error occurs. */ gbl_atp_uart_ctrl_blk_p->error_function_p = error_function_p; rvf_send_trace (" ATP-UART (env). 'atp_uart_set_info' succeeded ", 48, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, ATP_USE_ID); break; } case RVF_YELLOW: { (void) rvf_free_buf ((T_RVF_BUFFER *) (gbl_atp_uart_ctrl_blk_p)); gbl_atp_uart_ctrl_blk_p = NULL; } default: { rvf_send_trace (" ATP-UART (env). 'atp_uart_set_info' failed ", 45, NULL_PARAM, RV_TRACE_LEVEL_WARNING, ATP_USE_ID); return (RVM_MEMORY_ERR); } } return (RVM_OK); } /********************** End of atp_uart_set_info function *********************/ /********************************************************************************/ /* */ /* Function Name: atp_uart_init */ /* */ /* Purpose: This function initializes the ATP-UART interface. */ /* */ /* Input Parameters: None. */ /* */ /* Output Parameters: None. */ /* */ /* Global Parameters: None. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /********************************************************************************/ T_RVM_RETURN atp_uart_init (void) { /************************* atp_uart_init function begins ************************/ /* Set the default name and handle assigned to the COM port. Note that the */ /* name must be a NULL-terminated string. */ (void) strcpy ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_name, ATP_UART_DEFAULT_COM_PORT_NAME); (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle = INVALID_HANDLE_VALUE; /* Indicate that no virtual modem port is established with the AT Parser */ /* for now. */ (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).virtual_modem_port_established = FALSE; (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).virtual_modem_port_mode = ATP_PORT_CMD_MODE; (gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).control_signals = ATP_RX_FLOW_OFF; rvf_send_trace (" ATP-UART (env). 'atp_uart_init' succeeded ", 44, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, ATP_USE_ID); return (RVM_OK); } /************************ End of atp_uart_init function ***********************/ /********************************************************************************/ /* */ /* Function Name: atp_uart_core */ /* */ /* Purpose: This function activates the ATP-UART interface. */ /* */ /* Input Parameters: None. */ /* */ /* Output Parameters: None. */ /* */ /* Global Parameters: None. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /********************************************************************************/ T_RVM_RETURN atp_uart_core (void) { /************************* atp_uart_core function begins ************************/ return (atp_uart_handle_msg ()); } /************************ End of atp_uart_core function ***********************/ /********************************************************************************/ /* */ /* Function Name: atp_uart_stop */ /* */ /* Purpose: This function prepares the termination of the ATP-UART */ /* interface. */ /* */ /* Input Parameters: None. */ /* */ /* Output Parameters: None. */ /* */ /* Global Parameters: None. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /********************************************************************************/ T_RVM_RETURN atp_uart_stop (void) { /************************* atp_uart_stop function begins ************************/ /* If the virtual modem port is opened with the AT Parser, then deactivate */ /* it first. If any error occurred, then call the function used whenever */ /* any unrecoverable error occurs and abort. */ if (((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).virtual_modem_port_established == TRUE) && \ (atp_close_port ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).atp_id, \ ATP_UART_GSM_PORT_NB) != RV_OK)) { ATP_UART_UNRECOVERABLE_ERROR (RVM_INTERNAL_ERR, " ATP-UART (env). 'atp_uart_stop' failed "); return (RVM_NOT_READY); } /* Then, if needed, deactivate the COM port currently in use. If any */ /* error occurred, then call the function used whenever any unrecoverable */ /* error occurs and abort. */ if (((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).com_port_handle != INVALID_HANDLE_VALUE) && \ (atp_uart_remove_com_port () != RV_OK)) { ATP_UART_UNRECOVERABLE_ERROR (RVM_INTERNAL_ERR, " ATP-UART (env). 'atp_uart_stop' failed "); return (RVM_NOT_READY); } /* At last, withdraw the ATP-UART interface from the AT Parser. If any */ /* error occurred, then call the function used whenever any unrecoverable */ /* error occurs and abort. */ if (atp_dereg ((gbl_atp_uart_ctrl_blk_p->conn_ctrl_blk).atp_id) != RV_OK) { ATP_UART_UNRECOVERABLE_ERROR (RVM_INTERNAL_ERR, " ATP-UART (env). 'atp_uart_stop' failed "); return (RVM_NOT_READY); } rvf_send_trace (" ATP-UART (env). 'atp_uart_stop' succeeded ", 44, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, ATP_USE_ID); return (RVM_OK); } /************************ End of atp_uart_stop function ***********************/ /********************************************************************************/ /* */ /* Function Name: atp_uart_kill */ /* */ /* Purpose: This function kills the ATP-UART interface. */ /* */ /* Input Parameters: None. */ /* */ /* Output Parameters: None. */ /* */ /* Global Parameters: None. */ /* */ /* Note: None. */ /* */ /* Revision History: */ /* 10/04/01 Pascal Pompei */ /* - Create. */ /* */ /********************************************************************************/ T_RVM_RETURN atp_uart_kill (void) { /************************* atp_uart_kill function begins ************************/ /* Free the previously allocated memory required to store the 'Global */ /* ATP-UART Interface Control Block'. */ (void) rvf_free_buf ((T_RVF_BUFFER *) (gbl_atp_uart_ctrl_blk_p)); gbl_atp_uart_ctrl_blk_p = NULL; rvf_send_trace (" ATP-UART (env). 'atp_uart_kill' succeeded ", 44, NULL_PARAM, RV_TRACE_LEVEL_DEBUG_LOW, ATP_USE_ID); return (RVM_OK); } /************************ End of atp_uart_kill function ***********************/