?? bsp.c
字號(hào):
}
}
/*
*********************************************************************************************************
*********************************************************************************************************
* uC/Probe PLUG-IN FOR uC/OS-II FUNCTIONS
*********************************************************************************************************
*********************************************************************************************************
*/
/*
*********************************************************************************************************
* OSProbe_TmrInit()
*
* Description : Select & initialize a timer for use with the uC/Probe Plug-In for uC/OS-II.
*
* Argument(s) : none.
*
* Return(s) : none.
*********************************************************************************************************
*/
#if ((uC_PROBE_OS_PLUGIN == DEF_ENABLED) && \
(OS_PROBE_HOOKS_EN == DEF_ENABLED))
void OSProbe_TmrInit (void)
{
#if 0 /* Copied from AT91SAM7X256 -- TBD : refactor to work on CSB637 AT91RM9200 */
AT91C_BASE_PMC->PMC_PCER = 1 << AT91C_ID_TC2; /* Enable the peripheral clk */
AT91C_BASE_TCB->TCB_TC2.TC_CCR = DEF_BIT_01; /* TC2 timer disabled */
AT91C_BASE_TCB->TCB_TC2.TC_CMR &= ~(7 << 0); /* TIMER_CLOCK1 is input clk */
AT91C_BASE_TCB->TCB_TC2.TC_CCR = DEF_BIT_00; /* TC2 timer enabled */
AT91C_BASE_TCB->TCB_TC2.TC_CCR = DEF_BIT_02; /* SWTRG to reset and start */
#endif
}
#endif
/*
*********************************************************************************************************
* OSProbe_TmrRd()
*
* Description : Read the current counts of a 32-bit free running timer.
*
* Argument(s) : none.
*
* Return(s) : The 32bit counts of the timer.
*********************************************************************************************************
*/
#if ((uC_PROBE_OS_PLUGIN == DEF_ENABLED) && \
(OS_PROBE_HOOKS_EN == DEF_ENABLED))
CPU_INT32U OSProbe_TmrRd (void)
{
CPU_INT32U cnts;
#if 0 /* Copied from AT91SAM7X256 -- TBD : refactor to work on CSB637 AT91RM9200 */
cnts = (CPU_INT32U)(AT91C_BASE_TCB->TCB_TC2.TC_CV & 0x0000FFFF); /* Read timer 2 */
#else
cnts = 0;
#endif
return (cnts);
}
#endif
/*
*********************************************************************************************************
* LED INITIALIZATION
*
* Description : This function should be called by your application code before you make use of any of the
* functions found in this module.
*
* Arguments : None.
*********************************************************************************************************
*/
void LED_Init (void)
{
LED_On(0); /* Turn ON all the LEDs. */
}
/*
*********************************************************************************************************
* LED OFF
*
* Description : This function is used to control any or all the LEDs on the board.
*
* Arguments : led is the number of the LED to turn OFF
* 0 indicates that you want ALL the LEDs to be OFF
* 1 turns OFF User LED0 on the board
* .
* .
* 3 turns OFF User LED2 on the board
*********************************************************************************************************
*/
void LED_Off (CPU_INT08U led)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
CPU_CRITICAL_ENTER();
switch (led) {
case 0:
BSP_CSB_ARM_LED_RegImage &= ~DEF_BIT_02;
break;
case 1:
BSP_CSB_ARM_LED_RegImage &= ~DEF_BIT_02;
break;
}
*AT91C_PIOB_SODR = BSP_CSB_ARM_LED_RegImage & DEF_BIT_02;
*AT91C_PIOB_CODR = ~BSP_CSB_ARM_LED_RegImage & DEF_BIT_02;
CPU_CRITICAL_EXIT();
}
/*
*********************************************************************************************************
* LED ON
*
* Description : This function is used to control any or all the LEDs on the board.
*
* Arguments : led is the number of the LED to control
* 0 indicates that you want ALL the LEDs to be ON
* 1 turns ON User LED 0 on the board
* .
* .
* 3 turns ON User LED 2 on the board
*********************************************************************************************************
*/
void LED_On (CPU_INT08U led)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
CPU_CRITICAL_ENTER();
switch (led) {
case 0:
BSP_CSB_ARM_LED_RegImage |= DEF_BIT_02;
break;
case 1:
BSP_CSB_ARM_LED_RegImage |= DEF_BIT_02;
break;
}
*AT91C_PIOB_SODR = BSP_CSB_ARM_LED_RegImage & DEF_BIT_02;
*AT91C_PIOB_CODR = ~BSP_CSB_ARM_LED_RegImage & DEF_BIT_02;
CPU_CRITICAL_EXIT();
}
/*
*********************************************************************************************************
* LED TOGGLE
*
* Description : This function is used to alternate the state of any LED.
*
* Arguments : led is the number of the LED to control
* 0 indicates that you want ALL the LEDs to toggle
* 1 toggle User LED 0 on the board
* .
* .
* 3 toggle User LED 2 on the board
*********************************************************************************************************
*/
void LED_Toggle (CPU_INT08U led)
{
#if (CPU_CFG_CRITICAL_METHOD == CPU_CRITICAL_METHOD_STATUS_LOCAL)
CPU_SR cpu_sr;
#endif
CPU_CRITICAL_ENTER();
switch (led) {
case 0:
BSP_CSB_ARM_LED_RegImage ^= DEF_BIT_02;
break;
case 1:
BSP_CSB_ARM_LED_RegImage ^= DEF_BIT_02;
break;
}
*AT91C_PIOB_SODR = BSP_CSB_ARM_LED_RegImage & DEF_BIT_02;
*AT91C_PIOB_CODR = ~BSP_CSB_ARM_LED_RegImage & DEF_BIT_02;
CPU_CRITICAL_EXIT();
}
/*
*********************************************************************************************************
* GET 'PUSH BUTTON' STATUS
*
* Description : This function is used to get the status of any push button on the board.
*
* Arguments : push_button is the number of the push button to probe
* 1 probe the push button 0
* .
* .
* 3 probe the push button 2
*********************************************************************************************************
*/
CPU_BOOLEAN PB_GetStatus (CPU_INT08U push_button)
{
CPU_BOOLEAN status;
switch (push_button) {
case 1:
status = ((*AT91C_PIOB_PDSR & DEF_BIT_29) == 0);
break;
default:
status = DEF_OFF;
break;
}
return (status);
}
/*
*********************************************************************************************************
* SERIAL READ
*
* Description : Read a string from serial port until end-of-line.
*
* Arguments : string pre-allocated string to write to.
* len maximum len of string.
*********************************************************************************************************
*/
void Ser_RdStr (CPU_CHAR *string,
CPU_INT32U len)
{
CPU_CHAR input;
CPU_CHAR input_ix;
input_ix = 0;
string[0] = 0;
while (DEF_TRUE)
{
input = mon_getchar();
if ((input == '\r') ||
(input == '\n')) {
APP_TRACE_INFO(("\n"));
string[input_ix] = 0;
break;
}
if (input == '\b') {
if (input_ix > 0) {
APP_TRACE_INFO(("\b \b"));
input_ix--;
string[input_ix] = 0;
}
}
if (Str_IsPrint(input)) {
APP_TRACE_INFO(("%c", input));
string[input_ix] = input;
input_ix++;
if (input_ix >= len) {
input_ix = len;
}
}
}
}
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