[nasa/nos3#176] Created quick stubs to further enable unit testing;

fsw/stubs/libcan.c

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+/* Copyright (C) 2009 - 2019 National Aeronautics and Space Administration. All Foreign Rights are Reserved to the U.S. Government.
+
+This software is provided "as is" without any warranty of any, kind either express, implied, or statutory, including, but not
+limited to, any warranty that the software will conform to, specifications any implied warranties of merchantability, fitness
+for a particular purpose, and freedom from infringement, and any warranty that the documentation will conform to the program, or
+any warranty that the software will be error free.
+
+In no event shall NASA be liable for any damages, including, but not limited to direct, indirect, special or consequential damages,
+arising out of, resulting from, or in any way connected with the software or its documentation.  Whether or not based upon warranty,
+contract, tort or otherwise, and whether or not loss was sustained from, or arose out of the results of, or use of, the software,
+documentation or services provided hereunder
+
+ITC Team
+NASA IV&V
+[email protected]
+*/
+
+#include "libcan.h"
+
+/* The `libsocketcan` library wraps many of the netlink operations to control a SocketCAN interface
+ * Documentation here: https://lalten.github.io/libsocketcan/Documentation/html/group__extern.html */
+
+// Bring CAN network interface
+int32_t can_init_dev(can_info_t* device) 
+{
+  return CAN_SUCCESS;
+}
+
+// Call the `libsocketcan` function to set each CAN mode on/off
+int32_t can_set_modes(can_info_t* device) 
+{
+  return CAN_SUCCESS;
+}
+
+// Write a can_frame  from `device->tx_Frame` to CAN bus from SocketCAN socket specified by `device`
+int32_t can_write(can_info_t* device) 
+{  
+  return CAN_SUCCESS;
+}
+
+// Read a can_frame from SocketCAN interface specified by `device` into `device->rx_frame`
+// Does a nonblocking read call
+int32_t can_read(can_info_t* device) 
+{		
+  return CAN_SUCCESS;
+}
+
+// Bring CAN network interface down
+int32_t can_close_device(can_info_t* device) 
+{
+  return CAN_SUCCESS;
+}
+
+// Perform non-blocking can transaction
+int32_t can_master_transaction(can_info_t* device) 
+{
+  return CAN_SUCCESS;
+}

fsw/stubs/libgpio.c

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+/* Copyright (C) 2009 - 2019 National Aeronautics and Space Administration. All Foreign Rights are Reserved to the U.S. Government.
+
+This software is provided "as is" without any warranty of any, kind either express, implied, or statutory, including, but not
+limited to, any warranty that the software will conform to, specifications any implied warranties of merchantability, fitness
+for a particular purpose, and freedom from infringement, and any warranty that the documentation will conform to the program, or
+any warranty that the software will be error free.
+
+In no event shall NASA be liable for any damages, including, but not limited to direct, indirect, special or consequential damages,
+arising out of, resulting from, or in any way connected with the software or its documentation.  Whether or not based upon warranty,
+contract, tort or otherwise, and whether or not loss was sustained from, or arose out of the results of, or use of, the software,
+documentation or services provided hereunder
+
+ITC Team
+NASA IV&V
+[email protected]
+*/
+
+#include "libgpio.h"
+
+int32_t gpio_init(gpio_info_t* device) 
+{    
+    return GPIO_SUCCESS;
+}
+
+int32_t gpio_read(gpio_info_t* device, uint8_t* value)
+{
+    return GPIO_SUCCESS;
+}
+
+int32_t gpio_write(gpio_info_t* device, uint8_t value)
+{
+    return GPIO_SUCCESS;
+}
+
+int32_t gpio_close(gpio_info_t* device)
+{
+    return GPIO_SUCCESS;
+}

fsw/stubs/libi2c.c

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+/* Copyright (C) 2009 - 2018 National Aeronautics and Space Administration. All Foreign Rights are Reserved to the U.S. Government.
+
+This software is provided "as is" without any warranty of any, kind either express, implied, or statutory, including, but not
+limited to, any warranty that the software will conform to, specifications any implied warranties of merchantability, fitness
+for a particular purpose, and freedom from infringement, and any warranty that the documentation will conform to the program, or
+any warranty that the software will be error free.
+
+In no event shall NASA be liable for any damages, including, but not limited to direct, indirect, special or consequential damages,
+arising out of, resulting from, or in any way connected with the software or its documentation.  Whether or not based upon warranty,
+contract, tort or otherwise, and whether or not loss was sustained from, or arose out of the results of, or use of, the software,
+documentation or services provided hereunder
+
+ITC Team
+NASA IV&V
+[email protected]
+*/
+
+#include <errno.h>
+#include <string.h>
+
+#include "libi2c.h"
+
+/* Call to configure a specific i2c device from /dev
+** i2c_bus- struct with bus configuration
+** speed  - currently unused
+*/
+int32_t i2c_master_init(i2c_bus_info_t* device)
+{
+    return I2C_SUCCESS;
+}
+
+int32_t i2c_master_transaction(i2c_bus_info_t* device, uint8_t addr, void * txbuf, uint8_t txlen, void * rxbuf, uint8_t rxlen, uint16_t timeout)
+{
+    return I2C_SUCCESS;
+}
+
+int32_t i2c_read_transaction(i2c_bus_info_t* device, uint8_t addr, void * rxbuf, uint8_t rxlen, uint8_t timeout)
+{
+    return I2C_SUCCESS;
+}
+
+int32_t i2c_write_transaction(i2c_bus_info_t* device, uint8_t addr, void * txbuf, uint8_t txlen, uint8_t timeout)
+{
+    return I2C_SUCCESS;
+}
+
+int32_t i2c_multiple_transaction(i2c_bus_info_t* device, uint8_t addr, struct i2c_rdwr_ioctl_data* rdwr_data, uint16_t timeout)
+{
+    return I2C_SUCCESS;
+}

fsw/stubs/libsocket.c

@@ -0,0 +1,83 @@
+#include "libsocket.h"
+
+#include <sys/socket.h>
+#include <arpa/inet.h>
+#include <fcntl.h>
+#include <errno.h>
+
+// Creates an endpoint for communication
+// Binds stream, server sockets to localhost and port number
+//
+// Inputs:
+//      socket_info->address_family
+//      socket_info->type
+//      socket_info->port_num (used for stream sockets)
+//      socket_info->block
+//
+// Outputs:
+//      socket_info->sockfd
+//      socket_info->created
+//      socket_info->bound  
+int32_t socket_create(socket_info_t* socket_info)
+{
+    return SOCKET_SUCCESS;
+}
+
+// Listens on a connection on a socket
+//
+// Inputs:
+//      socket_info->bound
+//      socket_info->sockfd
+//
+// Outputs:
+//      socket_info->listening
+int32_t socket_listen(socket_info_t* socket_info)
+{
+    return SOCKET_SUCCESS;
+}
+
+// Accepts a connection on a socket
+//
+// Inputs:
+//      socket_info->listening
+//      socket_info->sockfd
+//
+// Outputs:
+//      socket_info->connected
+//      socket_info->sockfd
+int32_t socket_accept(socket_info_t* socket_info)
+{
+    return SOCKET_SUCCESS;
+} 
+
+// Initiates a connection to a remote ip address and port number
+//
+// Inputs:
+//      socket_info->created
+//      socket_info->category
+//      socket_info->address_family
+//      socket_info->sockfd
+//      remote_ip_address (the remote ip address)
+//      remote_port_num (the remote port number)
+//
+// Outputs:
+//      socket_info->connected
+int32_t socket_connect(socket_info_t* socket_info, char* remote_ip_address, int remote_port_num)
+{
+    return SOCKET_SUCCESS;
+}
+
+int32_t socket_send(socket_info_t* socket_info, uint8_t* buffer, size_t buflen, size_t* bytes_sent, char* remote_ip_address, int remote_port_num)
+{
+    return SOCKET_SUCCESS;
+}
+
+int32_t socket_recv(socket_info_t* socket_info, uint8_t* buffer, size_t buflen, size_t* bytes_recvd)
+{
+    return SOCKET_SUCCESS;
+}
+
+int32_t socket_close(socket_info_t* socket_info)
+{
+    return SOCKET_SUCCESS;
+}

fsw/stubs/libspi.c

@@ -0,0 +1,60 @@
+/* Copyright (C) 2009 - 2018 National Aeronautics and Space Administration. All Foreign Rights are Reserved to the U.S. Government.
+
+This software is provided "as is" without any warranty of any, kind either express, implied, or statutory, including, but not
+limited to, any warranty that the software will conform to, specifications any implied warranties of merchantability, fitness
+for a particular purpose, and freedom from infringement, and any warranty that the documentation will conform to the program, or
+any warranty that the software will be error free.
+
+In no event shall NASA be liable for any damages, including, but not limited to direct, indirect, special or consequential damages,
+arising out of, resulting from, or in any way connected with the software or its documentation.  Whether or not based upon warranty,
+contract, tort or otherwise, and whether or not loss was sustained from, or arose out of the results of, or use of, the software,
+documentation or services provided hereunder
+
+ITC Team
+NASA IV&V
+[email protected]
+*/
+
+#include "libspi.h"
+
+spi_mutex_t spi_bus_mutex[MAX_SPI_BUSES];
+
+int32_t spi_init_dev(spi_info_t* device)
+{
+  return SPI_SUCCESS;
+}
+
+int32_t spi_set_mode(spi_info_t* device)
+{
+  return SPI_SUCCESS;
+}
+
+int32_t spi_get_mode(spi_info_t* device)
+{
+  return SPI_SUCCESS;
+}
+
+int32_t spi_write(spi_info_t* device, uint8_t data[], const uint32_t numBytes)
+{
+  return SPI_SUCCESS;  
+}
+
+int32_t spi_read(spi_info_t* device, uint8_t data[], const uint32_t numBytes)
+{
+  return SPI_SUCCESS; 
+}
+
+int32_t spi_transaction(spi_info_t* device, uint8_t *txBuff, uint8_t * rxBuffer, uint32_t length, uint16_t delay, uint8_t bits, uint8_t deselect)
+{
+  return SPI_SUCCESS;
+}
+
+int32_t spi_select_chip(spi_info_t* device)
+{
+  return SPI_SUCCESS;
+}
+
+int32_t spi_close_device(spi_info_t* device)
+{
+  return SPI_SUCCESS;
+}