📄 app.c
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/*
*********************************************************************************************************
* EXAMPLE CODE
*
* (c) Copyright 2003-2006; Micrium, Inc.; Weston, FL
*
* All rights reserved. Protected by international copyright laws.
* Knowledge of the source code may NOT be used to develop a similar product.
* Please help us continue to provide the Embedded community with the finest
* software available. Your honesty is greatly appreciated.
*********************************************************************************************************
*/
/*
*********************************************************************************************************
*
* EXAMPLE CODE
*
* Luminary Micro LM3S6965
* with the
* Luminary Micro LM3S6965 ENET Development Kit
*
* Filename : app.c
* Version : V1.00
* Programmer(s) : Brian Nagel
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* INCLUDE FILES
*********************************************************************************************************
*/
#include <includes.h>
/*
*********************************************************************************************************
* LOCAL DEFINES
*********************************************************************************************************
*/
#define ROW0_Y 0x00
#define ROW1_Y 0x10
#define ROW2_Y 0x20
#define ROW3_Y 0x30
/*
*********************************************************************************************************
* LOCAL GLOBAL VARIABLES
*********************************************************************************************************
*/
static OS_STK AppTaskStartStk[APP_TASK_START_STK_SIZE];
static OS_STK AppTaskUserIFStk[APP_TASK_USER_IF_STK_SIZE];
static OS_STK AppTaskKbdStk[APP_TASK_KBD_STK_SIZE];
static CPU_INT08U AppUserIFState; /* User I/F state */
static OS_EVENT *AppUserIFMbox;
static CPU_CHAR AppUserIFLine1[30];
static CPU_CHAR AppUserIFLine2[30];
static CPU_CHAR AppUserIFLine3[30];
static CPU_CHAR AppUserIFLine4[30];
static CPU_BOOLEAN Probe_B1;
static CPU_BOOLEAN Probe_B2;
static CPU_BOOLEAN Probe_B3;
static CPU_BOOLEAN Probe_B4;
static CPU_BOOLEAN Probe_B5;
static CPU_INT32U Probe_B1Counts;
static CPU_INT32U Probe_B2Counts;
static CPU_INT32U Probe_B3Counts;
static CPU_INT32U Probe_B4Counts;
static CPU_INT32U Probe_B5Counts;
#if (uC_TCPIP_MODULE > 0)
NET_IP_ADDR AppNetIP;
NET_IP_ADDR AppNetMsk;
NET_IP_ADDR AppNetGateway;
#endif
/*
*********************************************************************************************************
* LOCAL FUNCTION PROTOTYPES
*********************************************************************************************************
*/
static void AppTaskCreate (void);
static void AppTaskStart (void *p_arg);
static void AppTaskUserIF (void *p_arg);
static void AppTaskKbd (void *p_arg);
static void AppDispScr_SignOn (void);
static void AppDispScr_VersionTickRateCPU (void);
static void AppDispScr_CtxSw (void);
static void AppDispScr_Inputs (void);
static void AppDispScr_Tcpip (void);
static void AppFormatDec (CPU_INT08U *s, CPU_INT32U value, CPU_INT08U digits);
#if (uC_TCPIP_MODULE > 0)
static void AppInitTCPIP (void);
#endif
/*
*********************************************************************************************************
* main()
*
* Description : This is the standard entry point for C code. It is assumed that your code will call
* main() once you have performed all necessary initialization.
*
* Arguments : none
*
* Returns : none
*********************************************************************************************************
*/
void main (void)
{
CPU_INT08U err;
BSP_IntDisAll(); /* Disable all interrupts until we are ready to accept them */
OSInit(); /* Initialize "uC/OS-II, The Real-Time Kernel" */
OSTaskCreateExt(AppTaskStart, /* Create the start task */
(void *)0,
(OS_STK *)&AppTaskStartStk[APP_TASK_START_STK_SIZE - 1],
APP_TASK_START_PRIO,
APP_TASK_START_PRIO,
(OS_STK *)&AppTaskStartStk[0],
APP_TASK_START_STK_SIZE,
(void *)0,
OS_TASK_OPT_STK_CHK | OS_TASK_OPT_STK_CLR);
#if OS_TASK_NAME_SIZE > 13
OSTaskNameSet(APP_TASK_START_PRIO, "Start Task", &err);
#endif
OSStart(); /* Start multitasking (i.e. give control to uC/OS-II) */
}
/*
*********************************************************************************************************
* STARTUP TASK
*
* Description : This is an example of a startup task. As mentioned in the book's text, you MUST
* initialize the ticker only once multitasking has started.
*
* Arguments : p_arg is the argument passed to 'AppTaskStart()' by 'OSTaskCreate()'.
*
* Returns : none
*
* Notes : 1) The first line of code is used to prevent a compiler warning because 'p_arg' is not
* used. The compiler should not generate any code for this statement.
*********************************************************************************************************
*/
static void AppTaskStart (void *p_arg)
{
(void)p_arg;
BSP_Init(); /* Initialize BSP functions */
#if (OS_TASK_STAT_EN > 0)
OSStatInit(); /* Determine CPU capacity */
#endif
#if (uC_TCPIP_MODULE > 0)
AppInitTCPIP(); /* Initialize uC/TCP-IP and associated appliations */
#endif
AppUserIFState = 0;
AppUserIFMbox = OSMboxCreate((void *)0); /* Create MBOX for communication between Kbd and UserIF */
AppTaskCreate(); /* Create application tasks */
while (DEF_TRUE) { /* Task body, always written as an infinite loop. */
LED_Toggle(1);
OSTimeDly(OS_TICKS_PER_SEC / 4);
}
}
/*
*********************************************************************************************************
* AppInit_TCPIP()
*
* Description : This function is called by AppTaskStart() and is responsible for initializing uC/TCP-IP
* uC/HTTPs, uC/TFTPs and uC/DHCPc if enabled.
*
* Arguments : none
*
* Returns : none
*********************************************************************************************************
*/
#if uC_TCPIP_MODULE > 0
static void AppInitTCPIP (void)
{
NET_ERR err;
#if (EMAC_CFG_MAC_ADDR_SEL == EMAC_CFG_MAC_ADDR_SEL_CFG)
NetIF_MAC_Addr[0] = 0x00;
NetIF_MAC_Addr[1] = 0x50;
NetIF_MAC_Addr[2] = 0xC2;
NetIF_MAC_Addr[3] = 0x25;
NetIF_MAC_Addr[4] = 0x61;
NetIF_MAC_Addr[5] = 0x33;
#endif
err = Net_Init(); /* Initialize uC/TCP-IP */
AppNetIP = NetASCII_Str_to_IP("10.10.1.127", &err);
AppNetMsk = NetASCII_Str_to_IP("255.255.255.0", &err);
AppNetGateway = NetASCII_Str_to_IP("10.10.1.1", &err);
err = NetIP_CfgAddrThisHost(AppNetIP, AppNetMsk);
err = NetIP_CfgAddrDfltGateway(AppNetGateway);
}
#endif
/*
*********************************************************************************************************
* USER INTERFACE TASK
*
* Description : This task updates the LCD screen based on messages passed to it by AppTaskKbd().
*
* Arguments : p_arg is the argument passed to 'AppStartUserIF()' by 'OSTaskCreate()'.
*
* Returns : none
*********************************************************************************************************
*/
static void AppTaskUserIF (void *p_arg)
{
CPU_INT08U *msg;
CPU_INT08U err;
CPU_INT32U nstate;
CPU_INT32U pstate;
(void)p_arg;
AppDispScr_SignOn();
OSTimeDly(OS_TICKS_PER_SEC * 2);
pstate = 0;
nstate = 1;
while (DEF_TRUE) { /* Task body, always written as an infinite loop. */
msg = (CPU_INT08U *)(OSMboxPend(AppUserIFMbox, OS_TICKS_PER_SEC / 10, &err));
if (err == OS_NO_ERR) {
if (msg != (CPU_INT08U *)0) {
nstate = *msg;
}
}
if (nstate != pstate) {
OSRAM128x64x4Clear();
pstate = nstate;
}
switch (nstate) {
case 1:
AppDispScr_VersionTickRateCPU();
break;
case 2:
AppDispScr_CtxSw();
break;
case 3:
AppDispScr_Inputs();
break;
case 4:
AppDispScr_Tcpip();
break;
case 0:
default:
AppDispScr_SignOn();
break;
}
}
}
/*
*********************************************************************************************************
* KEYBOARD RESPONSE TASK
*
* Description : This task monitors the state of the push buttons and passes messages to AppTaskUserIF()
*
* Arguments : p_arg is the argument passed to 'AppStartKbd()' by 'OSTaskCreate()'.
*
* Returns : none
*********************************************************************************************************
*/
static void AppTaskKbd (void *p_arg)
{
CPU_BOOLEAN b1_prev;
CPU_BOOLEAN b2_prev;
CPU_BOOLEAN b3_prev;
CPU_BOOLEAN b4_prev;
CPU_BOOLEAN b5_prev;
CPU_INT08U key;
(void)p_arg;
key = 1;
Probe_B1 = DEF_FALSE;
Probe_B2 = DEF_FALSE;
Probe_B3 = DEF_FALSE;
Probe_B4 = DEF_FALSE;
Probe_B5 = DEF_FALSE;
while (DEF_TRUE) {
Probe_B1 = PB_GetStatus(1);
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