save failed integration state

gomspace/libparam_client/include/gs/param/internal/pp/i2c/i2c.h

@@ -0,0 +1,42 @@
+#ifndef GS_PARAM_INTERNAL_PP_I2C_I2C_H
+#define GS_PARAM_INTERNAL_PP_I2C_I2C_H
+/* Copyright (c) 2013-2017 GomSpace A/S. All rights reserved. */
+
+#if (GS_PARAM_INTERNAL_USE)
+
+#include <gs/param/pp/i2c/i2c.h>
+#include <gs/param/internal/pp/i2c/slave_dispatch.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define GS_PARAM_I2C_LENGTH_TABLE(length, table)  ((length << 3) | (table & 0x07))
+#define GS_PARAM_I2C_LENGTH_TABLE_TO_LENGTH(lt)   ((lt >> 3) & 0x1f)
+#define GS_PARAM_I2C_LENGTH_TABLE_TO_TABLE(lt)    (lt & 0x07)
+
+/**
+   Data structure for setting parameter.
+*/
+typedef struct __attribute__ ((packed)) gs_param_i2c_set_request {
+    gs_i2c_slave_dispatch_header_t header;
+    uint8_t length_table;
+    uint8_t addr;
+    uint8_t data[]; // data (+ checksum)
+} gs_param_i2c_set_request_t;
+
+/**
+   Data structure for getting parameter.
+*/
+typedef struct __attribute__ ((packed)) gs_param_i2c_get_request {
+    gs_i2c_slave_dispatch_header_t header;
+    uint8_t length_table;
+    uint8_t addr;
+    uint8_t checksum; // optional
+} gs_param_i2c_get_request_t;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+#endif

gomspace/libparam_client/include/gs/param/internal/pp/i2c/slave_dispatch.h

@@ -0,0 +1,71 @@
+#ifndef GS_PARAM_INTERNAL_PP_I2C_SLAVE_DISPATCH_H
+#define GS_PARAM_INTERNAL_PP_I2C_SLAVE_DISPATCH_H
+/* Copyright (c) 2013-2017 GomSpace A/S. All rights reserved. */
+
+#if (GS_PARAM_INTERNAL_USE)
+
+#include <gs/util/drivers/i2c/slave.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+   Header for I2C slave dispatch protocol - must be first in all protocols.
+*/
+typedef struct __attribute__ ((packed)) gs_i2c_slave_dispatch_header {
+    uint8_t domain_command;
+} gs_i2c_slave_dispatch_header_t;
+
+/**
+   Make header from domain and command.
+*/
+#define GS_I2C_SLAVE_DISPATCH_HEADER(domain, command)   ((domain << 5) | (command & 0x1f))
+
+/**
+   Extract domain from header.
+*/
+#define GS_I2C_SLAVE_DISPATCH_HEADER_TO_DOMAIN(header)  ((header >> 5) & 0x7)
+
+/**
+   Extract comman from header.
+*/
+#define GS_I2C_SLAVE_DISPATCH_HEADER_TO_COMMAND(header) (header & 0x1f)
+
+/**
+   Domain handler.
+
+   Basically same features as normal I2C slave rx callback. The generic I2C dispatch interface will parse the header (first byte)
+   and call the associated handler, based on the domain.
+
+   @param[in] channel I2C channel (handle).
+   @param[in] cmd domain specific command.
+   @param[in] rx_buffer Pointer to start of rx buffer.
+   @param[in] rx number of bytes received so far.
+   @param[in] cswitch If called from within an ISR (embedded platform), this will none NULL.
+   @return total number of bytes to receive before next call back. Return 0 to ignore rest of data - no additional call backs will be done for current I2C transaction.
+*/
+typedef void (* gs_i2c_slave_dispatch_handler_t)(uint8_t channel, uint8_t cmd, const uint8_t * rx, size_t rx_length, gs_context_switch_t * cswitch);
+
+/**
+   Dispatch domains.
+
+   Standard domains should be assigned from the lowest value.
+   Application/board/product should be assigned from highest value.
+*/
+typedef enum {
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_RESERVED = 0, //! Avoid use - reserved for GSSB, GSSB broadcasts UID request on domain=0, cmd=13
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_USER1,        //! Avoid use - overlap with GSSB commands
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_USER2,        //! Avoid use - may overlap with GSSB commands
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_USER3,        //! Avoid use - may overlap with GSSB commands
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_PARAM,        //! Reserved for libparam.
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_USER5,
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_USER6,
+    GS_I2C_SLAVE_DISPATCH_DOMAIN_USER7,
+} gs_i2c_slave_dispatch_domain_t;
+
+#ifdef __cplusplus
+}
+#endif
+#endif
+#endif