--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cs/system/bootloader/inc/command.h	Fri Oct 16 06:23:26 2020 +0000
@@ -0,0 +1,346 @@
+/*******************************************************************************
+ *
+ * COMMAND.H
+ *
+ * This module contains commands structures and functions to analyze a command
+ * received and to build a command to send (request and confirmation).
+ * 
+ * (C) Texas Instruments 1998
+ *
+ ******************************************************************************/
+
+#ifndef __COMMAND_H__
+#define __COMMAND_H__
+
+#include "main/sys_types.h"
+
+#define COM_SERIAL_COMMAND_LENGTH     (256) /* In bytes. */
+#define COM_MAX_NUMBER_OF_16BITS_DATA ( 64)
+
+/*
+ * Constants used in the confirmation of the COM_GET_MONITOR_ID command.
+ */
+
+enum {
+    COM_MONITOR_STAND_ALONE,
+    COM_MONITOR_LIBRARY,
+	COM_BOOTLOADER
+};
+
+/*
+ * Constants used in the confirmation of the COM_GET_CHIP_ID command.
+ */
+
+enum {
+    COM_POLE112LA00,
+    COM_GEMINI_EFH,
+    COM_CHIP_NOT_SUPPORTED
+};
+
+/*
+ * Constants used in the confirmation of the COM_GET_BOARD_ID command.
+ */
+
+enum {
+    COM_A_SAMPLE_1_0,
+    COM_A_SAMPLE_1_5,
+    COM_EVA4,
+    COM_GAIA_BOARD21
+};
+
+/*
+ * Constants used in the confirmation of the COM_START_APPLICATION command.
+ */
+
+enum {
+    COM_APPLICATION_IS_RUNNING,
+    COM_MONITOR_IS_RUNNING
+};
+
+/*
+ * List of commands.
+ */
+
+enum {
+    COM_GET_MONITOR_ID,
+    COM_GET_FLASH_ID,
+    COM_GET_CHIP_ID,
+    COM_GET_BOARD_ID,
+    COM_ERASE_FLASH,
+    COM_WRITE_DATA,
+    COM_START_APPLICATION,
+    COM_READ_PARAMETERS,
+    COM_WRITE_PARAMETERS,
+	COM_LOAD_APPLICATION,
+	COM_SEND_RUN_ADDRESS
+};
+
+/*
+ * Functions results.
+ */
+
+enum {
+    COM_SUCCESS,
+    COM_NO_EXECUTION,
+    COM_ERASE_ERROR,
+    COM_WRITE_ERROR,
+    COM_PARAMETER_ERROR,
+    COM_ADDRESS_ERROR,
+    COM_FILE_ERROR,
+	COM_NOT_SUPPORTED,
+    COM_COMMAND_UNKNOWN
+};
+
+
+/*
+ * Constants used in the bootloader.
+ */
+
+enum {
+    CMD_RAM_SUCCESS,
+    CMD_RAM_NO_EXECUTION,
+    CMD_RAM_WRITE_ERROR,
+    CMD_RAM_ADDRESS_ERROR,
+    CMD_RAM_FILE_ERROR
+};
+
+/*
+ * These macros allow to access to fields of each structure.
+ */
+
+#define COM_COMMAND_WORD(COMMAND) ((COMMAND)->command_word)
+
+#define COM_RESULT(COMMAND) ((COMMAND)->result)
+
+#define COM_MONITOR_ID(COMMAND) ((COMMAND)->param.monitor_id.identifier)
+
+#define COM_MONITOR_VERSION_FIRST_NBR(COMMAND) ((COMMAND)->param.monitor_id.version_first_nbr)
+
+#define COM_MONITOR_VERSION_SECOND_NBR(COMMAND) ((COMMAND)->param.monitor_id.version_second_nbr)
+
+#define COM_FLASH_ID(COMMAND) ((COMMAND)->param.flash_id.identifier)
+
+#define COM_BOARD_ID(COMMAND) ((COMMAND)->param.board_id.identifier)
+
+#define COM_FILE_CHECKSUM(COMMAND) ((COMMAND)->param.checksum.file_checksum)
+
+#define COM_FLASH_CHECKSUM(COMMAND) ((COMMAND)->param.checksum.flash_checksum)
+
+#define COM_CHIP_ID(COMMAND) ((COMMAND)->param.chip_id.identifier)
+
+#define COM_STARTING_STATE(COMMAND) ((COMMAND)->param.starting.state)
+
+#define COM_READ_PARAMS_OFFSET(COMMAND) \
+            ((COMMAND)->param.params_read.param_offset)
+
+#define COM_NUMBER_OF_PARAMS_READ(COMMAND) \
+            ((COMMAND)->param.params_read.number_of_params)
+
+#define COM_READ_PARAMS_LIST_ADDRESS(COMMAND) \
+            (&((COMMAND)->param.params_read.param[0]))
+
+#define COM_WRITTEN_PARAMS_OFFSET(COMMAND) \
+            ((COMMAND)->param.params_written.param_offset)
+
+#define COM_NUMBER_OF_PARAMS_WRITTEN(COMMAND) \
+            ((COMMAND)->param.params_written.number_of_params)
+
+#define COM_WRITTEN_PARAMS_LIST_ADDRESS(COMMAND) \
+            (&((COMMAND)->param.params_written.param[0]))
+
+#define COM_FILE_RAM_CHECKSUM(COMMAND) ((COMMAND)->param.checksum_RAM.file_checksum)
+
+#define COM_RAM_CHECKSUM(COMMAND) ((COMMAND)->param.checksum_RAM.RAM_checksum)
+
+#define COM_ADDRESS_MSB(COMMAND) \
+            ((COMMAND)->param.address.address_msb)
+ 
+#define COM_ADDRESS_LSB(COMMAND) \
+            ((COMMAND)->param.address.address_lsb)
+
+ 
+ 
+/*
+ * Parameters for each command.
+ * Get software id   : no parameter.
+ * Get flash id      : no parameter.
+ * Get chip id       : no parameter.
+ * Get board id      : no parameter.
+ * Erase flash       : no parameter.
+ * Write data        : no parameter.
+ * Start application : no parameter.
+ */
+
+/*
+ * Read parameters:
+ *  - parameter offset (even),
+ *  - number of parameters to read
+ */
+
+typedef struct s_com_read_params_req {
+    SYS_UWORD16 param_offset;
+    SYS_UWORD8  number_of_params;
+} t_com_read_params_req;
+
+/*
+ * Write parameters:
+ *  - parameter offset (even),
+ *  - number of parameters (16 bits) to write,
+ *  - list of parameters to write.
+ */
+
+typedef struct s_com_write_params_req {
+    SYS_UWORD16 param_offset;
+    SYS_UWORD8  number_of_params;
+    SYS_UWORD16 param[COM_MAX_NUMBER_OF_16BITS_DATA];     
+} t_com_write_params_req;
+
+
+/*
+ * Start application in RAM
+ *  - file checksum,
+ *  - flash checksum
+ */
+
+typedef struct s_com_send_run_address_req {
+    SYS_UWORD16 address_msb;
+    SYS_UWORD16 address_lsb;
+} t_com_send_run_address_req;
+
+
+/*
+ * General request structure.
+ */
+
+typedef struct s_com_request {
+    SYS_UWORD8 command_word;
+    union u_req_param {
+        t_com_read_params_req  params_read;
+        t_com_write_params_req params_written;
+		t_com_send_run_address_req address;
+    } param;
+} t_com_request;
+
+/*
+ * Parameters for each confirmation.
+ * Erase flash      : no parameter.
+ * Write parameters : no parameter.
+ */
+
+/*
+ * Get monitor id:
+ *  - identifier,
+ *  - version.
+ */
+
+typedef struct s_com_get_monitor_id_cnf {
+    SYS_UWORD8 identifier;
+    SYS_UWORD8 version_first_nbr;
+	SYS_UWORD8 version_second_nbr;
+} t_com_get_monitor_id_cnf;
+
+/*
+ * Get flash id:
+ *  - identifier.
+ */
+
+typedef struct s_com_get_flash_id_cnf {
+    SYS_UWORD8 identifier;
+} t_com_get_flash_id_cnf;
+
+/*
+ * Get chip id:
+ *  - identifier.
+ */
+
+typedef struct s_com_get_chip_id_cnf {
+    SYS_UWORD8 identifier;
+} t_com_get_chip_id_cnf;
+
+/*
+ * Get board id:
+ *  - identifier.
+ */
+
+typedef struct s_com_get_board_id_cnf {
+    SYS_UWORD8 identifier;
+} t_com_get_board_id_cnf;
+
+/*
+ * Write data:
+ *  - file checksum,
+ *  - flash checksum
+ */
+
+typedef struct s_com_write_data_cnf {
+    SYS_UWORD16 file_checksum;
+    SYS_UWORD16 flash_checksum;
+} t_com_write_data_cnf;
+
+/*
+ * Start application:
+ *  - state (application is running or not)
+ */
+
+typedef struct s_com_start_application_cnf {
+    SYS_UWORD8 state;
+} t_com_start_application_cnf;
+
+/*
+ * Read parameters:
+ *  - number of words (16 bits) read,
+ *  - list of words read.
+ */
+
+typedef struct s_com_read_params_cnf {
+    SYS_UWORD8  number_of_params;
+    SYS_UWORD16 param[COM_MAX_NUMBER_OF_16BITS_DATA];
+} t_com_read_params_cnf;
+
+
+/*
+ * Load application
+ *  - file checksum,
+ *  - flash checksum
+ */
+
+typedef struct s_com_load_appli_cnf {
+    SYS_UWORD16 file_checksum;
+    SYS_UWORD16 RAM_checksum;
+} t_com_load_appli_cnf;
+
+
+
+
+/*
+ * General confirmation structure.
+ */
+
+typedef struct s_com_confirmation {
+    SYS_UWORD8 command_word;
+    SYS_UWORD8 result;
+    union u_cnf_param {
+        t_com_get_monitor_id_cnf    monitor_id;
+        t_com_get_flash_id_cnf      flash_id;
+        t_com_get_chip_id_cnf       chip_id;
+        t_com_get_board_id_cnf      board_id;
+        t_com_write_data_cnf        checksum;
+        t_com_start_application_cnf starting;
+        t_com_read_params_cnf       params_read;
+		t_com_load_appli_cnf		checksum_RAM;
+    } param;
+} t_com_confirmation;
+
+extern long com_analyze_request (SYS_UWORD8 *request_received,
+                                 t_com_request *request);
+
+extern long com_analyze_confirmation (SYS_UWORD8 *confirmation_received,
+                                      t_com_confirmation *confirmation);
+
+extern long com_build_request (t_com_request *request,
+                               SYS_UWORD8 *request_to_send);
+
+extern long com_build_confirmation (t_com_confirmation *confirmation,
+                                    SYS_UWORD8 *confirmation_to_send);
+
+#endif /* __COMMAND_H__ */