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The following demo is taken from the µCOS-II or -III can_demo.c file found in $:\Micrium\Software\uC-CAN\Examples. Please note that when running µC/CAN with NO OS the following demo will slightly vary. Please refer to the can_demo.c file for No OS ('NONE') for further details.
App_CAN_Startup()
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| ex_using_sig-msg-bus_can-startup |
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| ex_using_sig-msg-bus_can-startup |
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| language | cpp |
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| linenumbers | true |
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void App_CAN_Startup (void)
{
CPU_INT16S can_err;
CANMSG_PARA *m;
#if (CANSIG_STATIC_CONFIG == 0u)
CANSIG_PARA *s;
#endif
#if ((APP_CAN_DEMO_SELECT == APP_CAN_RX_TX_DEMO) || \
(APP_CAN_DEMO_SELECT == APP_CAN_ECHO_DEMO))
CPU_INT08U os_err;
#endif
/* ------------------ HARDWARE SETUP ------------------ */
... [1]
/* ------------------- uC/CAN SETUP ------------------- */
CanSigInit(0L); [2] /* Initialize CAN Signals. */
#if (CANSIG_STATIC_CONFIG == 0u)
s = CanSig;
while (s < &CanSig[S_MAX]) { /* Create CAN Signals */
can_err = CanSigCreate(s);
if (can_err < 0) {
while (1); /* Failure Handling Here. */
}
s++;
}
#endif
CanMsgInit(0L); /* Initialize CAN Messages. */
m = (CANMSG_PARA *)CanMsg;
while (m < &CanMsg[CANMSG_N]) { /* Create CAN Messages. */
can_err = CanMsgCreate(m);
if (can_err < 0) {
while (1); /* Failure Handling Here. */
}
m++;
}
CanBusInit(0L); [3] /* Initialize CAN Objects & Bus Layer. */
can_err = CanBusEnable((CANBUS_PARA *)&CanCfg); /* Enable CAN Device according to Configuration. */
if (can_err != CAN_ERR_NONE) {
while (1); /* Failure Handling Here. */
}
/* ----------------- uC/OS DEMO TASKs ----------------- */
#if (APP_CAN_DEMO_SELECT == APP_CAN_RX_TX_DEMO)
... [4]
#endif
} |
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