mirror of
https://gitlab.rtems.org/rtems/rtos/rtems.git
synced 2026-09-24 02:34:50 +08:00
bsp/lpc176x: Move source files to bsps
This patch is a part of the BSP source reorganization. Update #3285.
This commit is contained in:
Sebastian Huber
@@ -1,9 +1,9 @@
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/**
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* @file timer.c
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* @file timerbenchmark.c
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*
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* @ingroup lpc176x
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*
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* @brief Timer controller for the mbed lpc1768 board.
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* @brief Timer benchmark functions for the lpc176x bsp.
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*/
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/*
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@@ -19,389 +19,27 @@
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* http://www.rtems.org/license/LICENSE.
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*/
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#include <stdio.h>
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#include <rtems/status-checks.h>
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#include <rtems.h>
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#include <bsp.h>
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#include <bsp/irq.h>
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#include <bsp/io.h>
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#include <rtems/btimer.h>
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#include <bsp/timer.h>
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/**
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* @brief Represents all the timers.
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*/
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const lpc176x_timer timers[ LPC176X_TIMER_COUNT ] =
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{
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{
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.device = (lpc176x_timer_device *) LPC176X_TMR0_BASE_ADDR,
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.module = LPC176X_MODULE_TIMER_0,
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.pinselcap = LPC176X_TIMER0_CAPTURE_PORTS,
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.pinselemat = LPC176X_TIMER0_EMATCH_PORTS,
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},
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{
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.device = (lpc176x_timer_device *) LPC176X_TMR1_BASE_ADDR,
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.module = LPC176X_MODULE_TIMER_1,
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.pinselcap = LPC176X_TIMER1_CAPTURE_PORTS,
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.pinselemat = LPC176X_TIMER1_EMATCH_PORTS,
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},
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{
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.device = (lpc176x_timer_device *) LPC176X_TMR2_BASE_ADDR,
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.module = LPC176X_MODULE_TIMER_2,
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.pinselcap = LPC176X_TIMER2_CAPTURE_PORTS,
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.pinselemat = LPC176X_TIMER2_EMATCH_PORTS,
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},
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{
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.device = (lpc176x_timer_device *) LPC176X_TMR3_BASE_ADDR,
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.module = LPC176X_MODULE_TIMER_3,
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.pinselcap = LPC176X_TIMER3_CAPTURE_PORTS,
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.pinselemat = LPC176X_TIMER3_EMATCH_PORTS,
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}
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};
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static uint32_t benchmark_timer_base;
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/**
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* @brief Represents all the functions according to the timers.
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*/
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lpc176x_timer_functions functions_vector[ LPC176X_TIMER_COUNT ] =
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void benchmark_timer_initialize( void )
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{
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{
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.funct_vector = NULL
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},
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{
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.funct_vector = NULL
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},
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{
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.funct_vector = NULL
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},
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{
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.funct_vector = NULL
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}
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};
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/**
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* @brief Calls the corresponding interrupt function and pass the timer
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* as parameter.
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*
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* @param timer The specific device.
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* @param interruptnumber Interrupt number.
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*/
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static inline void lpc176x_call_desired_isr(
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const lpc176x_timer_number number,
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const lpc176x_isr_function interruptfunction
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)
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{
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if ( ( *functions_vector[ number ].funct_vector )[ interruptfunction ] !=
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NULL ) {
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( *functions_vector[ number ].funct_vector )[ interruptfunction ]( number );
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}
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/* else implies that the function vector points NULL. Also,
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there is nothing to do. */
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benchmark_timer_base = lpc176x_timer_get_timer_value( LPC176X_TIMER_1 );
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}
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/**
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* @brief Gets true if the selected interrupt is pending
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*
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* @param number: the number of the timer.
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* @param interrupt: the interrupt we are checking for.
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* @return TRUE if the interrupt is pending.
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*/
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static inline bool lpc176x_timer_interrupt_is_pending(
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const lpc176x_timer_number tnumber,
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const lpc176x_isr_function function
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)
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benchmark_timer_t benchmark_timer_read( void )
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{
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assert( ( tnumber < LPC176X_TIMER_COUNT )
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&& ( function < LPC176X_ISR_FUNCTIONS_COUNT ) );
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uint32_t delta = lpc176x_timer_get_timer_value( LPC176X_TIMER_1 ) -
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benchmark_timer_base;
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return ( timers[ tnumber ].device->IR &
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LPC176X_TIMER_INTERRUPT_SOURCE_BIT( function ) );
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return delta;
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}
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/**
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* @brief Resets interrupt status for the selected interrupt
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*
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* @param tnumber: the number of the timer
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* @param interrupt: the interrupt we are resetting
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*/
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static inline void lpc176x_timer_reset_interrupt(
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const lpc176x_timer_number tnumber,
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const lpc176x_isr_function function
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)
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void benchmark_timer_disable_subtracting_average_overhead( bool find_avg_ovhead )
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{
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assert( ( tnumber < LPC176X_TIMER_COUNT )
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&& ( function < LPC176X_ISR_FUNCTIONS_COUNT ) );
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timers[ tnumber ].device->IR =
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LPC176X_TIMER_INTERRUPT_SOURCE_BIT( function );
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}
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inline rtems_status_code lpc176x_timer_reset(
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const lpc176x_timer_number tnumber )
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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timers[ tnumber ].device->TCR = LPC176X_TIMER_RESET;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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inline rtems_status_code lpc176x_timer_set_mode(
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const lpc176x_timer_number tnumber,
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const lpc176x_timer_mode mode
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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timers[ tnumber ].device->CTCR = mode;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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inline rtems_status_code lpc176x_timer_start(
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const lpc176x_timer_number tnumber )
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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timers[ tnumber ].device->TCR = LPC176X_TIMER_START;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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inline rtems_status_code lpc176x_timer_is_started(
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const lpc176x_timer_number tnumber,
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bool *is_started
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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*is_started = ( timers[ tnumber ].device->TCR & LPC176X_TIMER_START ) ==
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LPC176X_TIMER_START;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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inline rtems_status_code lpc176x_timer_set_resolution(
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const lpc176x_timer_number tnumber,
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const lpc176x_microseconds resolution
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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timers[ tnumber ].device->PR = ( LPC176X_CCLK /
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LPC176X_TIMER_PRESCALER_DIVISOR ) *
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resolution;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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rtems_status_code lpc176x_timer_match_config(
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const lpc176x_timer_number tnumber,
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const lpc176x_match_port match_port,
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const lpc176x_match_function function,
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const uint32_t match_value
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( ( tnumber < LPC176X_TIMER_COUNT )
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&& ( match_port < LPC176X_EMATCH_PORTS_COUNT )
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&& ( function < LPC176X_TIMER_MATCH_FUNCTION_COUNT ) ) {
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timers[ tnumber ].device->MCR =
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LPC176X_SET_MCR( timers[ tnumber ].device->MCR,
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match_port, function );
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timers[ tnumber ].device->MR[ match_port ] = match_value;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number, or a match port or a function
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is invalid. Also, an invalid number is returned. */
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return status_code;
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}
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inline rtems_status_code lpc176x_timer_capture_config(
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const lpc176x_timer_number tnumber,
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const lpc176x_capture_port capture_port,
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const lpc176x_capture_function function
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( ( tnumber < LPC176X_TIMER_COUNT )
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&& ( capture_port < LPC176X_CAPTURE_PORTS_COUNT )
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&& ( function < LPC176X_TIMER_CAPTURE_FUNCTION_COUNT ) ) {
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timers[ tnumber ].device->CCR =
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LPC176X_SET_CCR( timers[ tnumber ].device->CCR,
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capture_port, function );
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lpc176x_pin_select( timers[ tnumber ].pinselcap[ capture_port ],
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LPC176X_PIN_FUNCTION_11 );
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}
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/* else implies that the timer number or the capture port is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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inline rtems_status_code lpc176x_timer_external_match_config(
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const lpc176x_timer_number number,
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const lpc176x_match_port match_port,
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const lpc176x_ext_match_function function
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( ( number < LPC176X_TIMER_COUNT )
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&& ( match_port < LPC176X_EMATCH_PORTS_COUNT ) ) {
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timers[ number ].device->EMR =
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LPC176X_SET_EMR( timers[ number ].device->EMR,
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match_port, function );
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lpc176x_pin_select( timers[ number ].pinselemat[ match_port ],
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LPC176X_PIN_FUNCTION_11 );
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number or the match port is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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inline uint32_t lpc176x_timer_get_capvalue(
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const lpc176x_timer_number number,
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const lpc176x_capture_port capture_port
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)
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{
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assert( ( number < LPC176X_TIMER_COUNT )
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&& ( capture_port < LPC176X_CAPTURE_PORTS_COUNT ) );
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return timers[ number ].device->CR[ capture_port ];
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}
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inline uint32_t lpc176x_timer_get_timer_value(
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const lpc176x_timer_number tnumber )
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{
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assert( tnumber < LPC176X_TIMER_COUNT );
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return timers[ tnumber ].device->TC;
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}
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inline rtems_status_code lpc176x_timer_set_timer_value(
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const lpc176x_timer_number tnumber,
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const uint32_t timer_value
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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timers[ tnumber ].device->TC = timer_value;
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status_code = RTEMS_SUCCESSFUL;
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}
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/* else implies that the timer number is invalid. Also,
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an invalid number is returned. */
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return status_code;
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}
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void lpc176x_timer_isr( void *arg )
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{
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const lpc176x_timer_number tnumber = (lpc176x_timer_number) arg;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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lpc176x_isr_function i;
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for ( i = 0; i < LPC176X_ISR_FUNCTIONS_COUNT; ++i ) {
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if ( lpc176x_timer_interrupt_is_pending( tnumber, i ) ) {
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lpc176x_call_desired_isr( tnumber, i );
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lpc176x_timer_reset_interrupt( tnumber, i );
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}
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/* else implies that the current timer is not pending. Also,
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there is nothing to do. */
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}
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}
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/* else implies that the timer number is not valid. Also,
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there is nothing to do. */
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}
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rtems_status_code lpc176x_timer_init( const lpc176x_timer_number tnumber )
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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if ( tnumber < LPC176X_TIMER_COUNT ) {
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status_code = lpc176x_module_enable( timers[ tnumber ].module,
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LPC176X_MODULE_PCLK_DEFAULT );
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RTEMS_CHECK_SC( status_code, "Enabling the timer module." );
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status_code = lpc176x_timer_reset( tnumber );
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status_code = lpc176x_timer_set_mode( tnumber,
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LPC176X_TIMER_MODE_TIMER );
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status_code = lpc176x_timer_set_resolution( tnumber,
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LPC176X_TIMER_DEFAULT_RESOLUTION );
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timers[ tnumber ].device->MCR = LPC176X_TIMER_CLEAR_FUNCTION;
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timers[ tnumber ].device->CCR = LPC176X_TIMER_CLEAR_FUNCTION;
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timers[ tnumber ].device->EMR = LPC176X_TIMER_CLEAR_FUNCTION;
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}
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/* else implies that the timer number is not valid. Also,
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an invalid number is returned. */
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return status_code;
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}
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rtems_status_code lpc176x_timer_init_with_interrupt(
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const lpc176x_timer_number tnumber,
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const lpc176x_isr_funct_vector *const vector
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)
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{
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rtems_status_code status_code = RTEMS_INVALID_NUMBER;
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char isrname[ LPC176X_ISR_NAME_STRING_SIZE ];
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snprintf( isrname, LPC176X_ISR_NAME_STRING_SIZE, "TimerIsr%d", tnumber );
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if ( tnumber < LPC176X_TIMER_COUNT && vector != NULL ) {
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functions_vector[ tnumber ].funct_vector = vector;
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status_code = lpc176x_timer_init( tnumber );
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status_code = rtems_interrupt_handler_install(
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LPC176X_TIMER_VECTOR_NUMBER( tnumber ),
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isrname,
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RTEMS_INTERRUPT_UNIQUE,
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lpc176x_timer_isr,
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(void *) tnumber );
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}
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return status_code;
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}
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@@ -0,0 +1,407 @@
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/**
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* @file timer.c
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*
|
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* @ingroup lpc176x
|
||||
*
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||||
* @brief Timer controller for the mbed lpc1768 board.
|
||||
*/
|
||||
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/*
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* Copyright (c) 2014 Taller Technologies.
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*
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||||
* @author Boretto Martin (martin.boretto@tallertechnologies.com)
|
||||
* @author Diaz Marcos (marcos.diaz@tallertechnologies.com)
|
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* @author Lenarduzzi Federico (federico.lenarduzzi@tallertechnologies.com)
|
||||
* @author Daniel Chicco (daniel.chicco@tallertechnologies.com)
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.org/license/LICENSE.
|
||||
*/
|
||||
|
||||
#include <stdio.h>
|
||||
#include <rtems/status-checks.h>
|
||||
#include <bsp.h>
|
||||
#include <bsp/irq.h>
|
||||
#include <bsp/io.h>
|
||||
#include <bsp/timer.h>
|
||||
|
||||
/**
|
||||
* @brief Represents all the timers.
|
||||
*/
|
||||
const lpc176x_timer timers[ LPC176X_TIMER_COUNT ] =
|
||||
{
|
||||
{
|
||||
.device = (lpc176x_timer_device *) LPC176X_TMR0_BASE_ADDR,
|
||||
.module = LPC176X_MODULE_TIMER_0,
|
||||
.pinselcap = LPC176X_TIMER0_CAPTURE_PORTS,
|
||||
.pinselemat = LPC176X_TIMER0_EMATCH_PORTS,
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||||
},
|
||||
{
|
||||
.device = (lpc176x_timer_device *) LPC176X_TMR1_BASE_ADDR,
|
||||
.module = LPC176X_MODULE_TIMER_1,
|
||||
.pinselcap = LPC176X_TIMER1_CAPTURE_PORTS,
|
||||
.pinselemat = LPC176X_TIMER1_EMATCH_PORTS,
|
||||
},
|
||||
{
|
||||
.device = (lpc176x_timer_device *) LPC176X_TMR2_BASE_ADDR,
|
||||
.module = LPC176X_MODULE_TIMER_2,
|
||||
.pinselcap = LPC176X_TIMER2_CAPTURE_PORTS,
|
||||
.pinselemat = LPC176X_TIMER2_EMATCH_PORTS,
|
||||
},
|
||||
{
|
||||
.device = (lpc176x_timer_device *) LPC176X_TMR3_BASE_ADDR,
|
||||
.module = LPC176X_MODULE_TIMER_3,
|
||||
.pinselcap = LPC176X_TIMER3_CAPTURE_PORTS,
|
||||
.pinselemat = LPC176X_TIMER3_EMATCH_PORTS,
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Represents all the functions according to the timers.
|
||||
*/
|
||||
lpc176x_timer_functions functions_vector[ LPC176X_TIMER_COUNT ] =
|
||||
{
|
||||
{
|
||||
.funct_vector = NULL
|
||||
},
|
||||
{
|
||||
.funct_vector = NULL
|
||||
},
|
||||
{
|
||||
.funct_vector = NULL
|
||||
},
|
||||
{
|
||||
.funct_vector = NULL
|
||||
}
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Calls the corresponding interrupt function and pass the timer
|
||||
* as parameter.
|
||||
*
|
||||
* @param timer The specific device.
|
||||
* @param interruptnumber Interrupt number.
|
||||
*/
|
||||
static inline void lpc176x_call_desired_isr(
|
||||
const lpc176x_timer_number number,
|
||||
const lpc176x_isr_function interruptfunction
|
||||
)
|
||||
{
|
||||
if ( ( *functions_vector[ number ].funct_vector )[ interruptfunction ] !=
|
||||
NULL ) {
|
||||
( *functions_vector[ number ].funct_vector )[ interruptfunction ]( number );
|
||||
}
|
||||
|
||||
/* else implies that the function vector points NULL. Also,
|
||||
there is nothing to do. */
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Gets true if the selected interrupt is pending
|
||||
*
|
||||
* @param number: the number of the timer.
|
||||
* @param interrupt: the interrupt we are checking for.
|
||||
* @return TRUE if the interrupt is pending.
|
||||
*/
|
||||
static inline bool lpc176x_timer_interrupt_is_pending(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_isr_function function
|
||||
)
|
||||
{
|
||||
assert( ( tnumber < LPC176X_TIMER_COUNT )
|
||||
&& ( function < LPC176X_ISR_FUNCTIONS_COUNT ) );
|
||||
|
||||
return ( timers[ tnumber ].device->IR &
|
||||
LPC176X_TIMER_INTERRUPT_SOURCE_BIT( function ) );
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Resets interrupt status for the selected interrupt
|
||||
*
|
||||
* @param tnumber: the number of the timer
|
||||
* @param interrupt: the interrupt we are resetting
|
||||
*/
|
||||
static inline void lpc176x_timer_reset_interrupt(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_isr_function function
|
||||
)
|
||||
{
|
||||
assert( ( tnumber < LPC176X_TIMER_COUNT )
|
||||
&& ( function < LPC176X_ISR_FUNCTIONS_COUNT ) );
|
||||
timers[ tnumber ].device->IR =
|
||||
LPC176X_TIMER_INTERRUPT_SOURCE_BIT( function );
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_reset(
|
||||
const lpc176x_timer_number tnumber )
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
timers[ tnumber ].device->TCR = LPC176X_TIMER_RESET;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_set_mode(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_timer_mode mode
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
timers[ tnumber ].device->CTCR = mode;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_start(
|
||||
const lpc176x_timer_number tnumber )
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
timers[ tnumber ].device->TCR = LPC176X_TIMER_START;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_is_started(
|
||||
const lpc176x_timer_number tnumber,
|
||||
bool *is_started
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
*is_started = ( timers[ tnumber ].device->TCR & LPC176X_TIMER_START ) ==
|
||||
LPC176X_TIMER_START;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_set_resolution(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_microseconds resolution
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
timers[ tnumber ].device->PR = ( LPC176X_CCLK /
|
||||
LPC176X_TIMER_PRESCALER_DIVISOR ) *
|
||||
resolution;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
rtems_status_code lpc176x_timer_match_config(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_match_port match_port,
|
||||
const lpc176x_match_function function,
|
||||
const uint32_t match_value
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( ( tnumber < LPC176X_TIMER_COUNT )
|
||||
&& ( match_port < LPC176X_EMATCH_PORTS_COUNT )
|
||||
&& ( function < LPC176X_TIMER_MATCH_FUNCTION_COUNT ) ) {
|
||||
timers[ tnumber ].device->MCR =
|
||||
LPC176X_SET_MCR( timers[ tnumber ].device->MCR,
|
||||
match_port, function );
|
||||
timers[ tnumber ].device->MR[ match_port ] = match_value;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number, or a match port or a function
|
||||
is invalid. Also, an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_capture_config(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_capture_port capture_port,
|
||||
const lpc176x_capture_function function
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( ( tnumber < LPC176X_TIMER_COUNT )
|
||||
&& ( capture_port < LPC176X_CAPTURE_PORTS_COUNT )
|
||||
&& ( function < LPC176X_TIMER_CAPTURE_FUNCTION_COUNT ) ) {
|
||||
timers[ tnumber ].device->CCR =
|
||||
LPC176X_SET_CCR( timers[ tnumber ].device->CCR,
|
||||
capture_port, function );
|
||||
lpc176x_pin_select( timers[ tnumber ].pinselcap[ capture_port ],
|
||||
LPC176X_PIN_FUNCTION_11 );
|
||||
}
|
||||
|
||||
/* else implies that the timer number or the capture port is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_external_match_config(
|
||||
const lpc176x_timer_number number,
|
||||
const lpc176x_match_port match_port,
|
||||
const lpc176x_ext_match_function function
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( ( number < LPC176X_TIMER_COUNT )
|
||||
&& ( match_port < LPC176X_EMATCH_PORTS_COUNT ) ) {
|
||||
timers[ number ].device->EMR =
|
||||
LPC176X_SET_EMR( timers[ number ].device->EMR,
|
||||
match_port, function );
|
||||
lpc176x_pin_select( timers[ number ].pinselemat[ match_port ],
|
||||
LPC176X_PIN_FUNCTION_11 );
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number or the match port is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
inline uint32_t lpc176x_timer_get_capvalue(
|
||||
const lpc176x_timer_number number,
|
||||
const lpc176x_capture_port capture_port
|
||||
)
|
||||
{
|
||||
assert( ( number < LPC176X_TIMER_COUNT )
|
||||
&& ( capture_port < LPC176X_CAPTURE_PORTS_COUNT ) );
|
||||
|
||||
return timers[ number ].device->CR[ capture_port ];
|
||||
}
|
||||
|
||||
inline uint32_t lpc176x_timer_get_timer_value(
|
||||
const lpc176x_timer_number tnumber )
|
||||
{
|
||||
assert( tnumber < LPC176X_TIMER_COUNT );
|
||||
|
||||
return timers[ tnumber ].device->TC;
|
||||
}
|
||||
|
||||
inline rtems_status_code lpc176x_timer_set_timer_value(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const uint32_t timer_value
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
timers[ tnumber ].device->TC = timer_value;
|
||||
status_code = RTEMS_SUCCESSFUL;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is invalid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
void lpc176x_timer_isr( void *arg )
|
||||
{
|
||||
const lpc176x_timer_number tnumber = (lpc176x_timer_number) arg;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
lpc176x_isr_function i;
|
||||
|
||||
for ( i = 0; i < LPC176X_ISR_FUNCTIONS_COUNT; ++i ) {
|
||||
if ( lpc176x_timer_interrupt_is_pending( tnumber, i ) ) {
|
||||
lpc176x_call_desired_isr( tnumber, i );
|
||||
lpc176x_timer_reset_interrupt( tnumber, i );
|
||||
}
|
||||
|
||||
/* else implies that the current timer is not pending. Also,
|
||||
there is nothing to do. */
|
||||
}
|
||||
}
|
||||
|
||||
/* else implies that the timer number is not valid. Also,
|
||||
there is nothing to do. */
|
||||
}
|
||||
|
||||
rtems_status_code lpc176x_timer_init( const lpc176x_timer_number tnumber )
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT ) {
|
||||
status_code = lpc176x_module_enable( timers[ tnumber ].module,
|
||||
LPC176X_MODULE_PCLK_DEFAULT );
|
||||
RTEMS_CHECK_SC( status_code, "Enabling the timer module." );
|
||||
|
||||
status_code = lpc176x_timer_reset( tnumber );
|
||||
status_code = lpc176x_timer_set_mode( tnumber,
|
||||
LPC176X_TIMER_MODE_TIMER );
|
||||
status_code = lpc176x_timer_set_resolution( tnumber,
|
||||
LPC176X_TIMER_DEFAULT_RESOLUTION );
|
||||
|
||||
timers[ tnumber ].device->MCR = LPC176X_TIMER_CLEAR_FUNCTION;
|
||||
timers[ tnumber ].device->CCR = LPC176X_TIMER_CLEAR_FUNCTION;
|
||||
timers[ tnumber ].device->EMR = LPC176X_TIMER_CLEAR_FUNCTION;
|
||||
}
|
||||
|
||||
/* else implies that the timer number is not valid. Also,
|
||||
an invalid number is returned. */
|
||||
|
||||
return status_code;
|
||||
}
|
||||
|
||||
rtems_status_code lpc176x_timer_init_with_interrupt(
|
||||
const lpc176x_timer_number tnumber,
|
||||
const lpc176x_isr_funct_vector *const vector
|
||||
)
|
||||
{
|
||||
rtems_status_code status_code = RTEMS_INVALID_NUMBER;
|
||||
|
||||
char isrname[ LPC176X_ISR_NAME_STRING_SIZE ];
|
||||
|
||||
snprintf( isrname, LPC176X_ISR_NAME_STRING_SIZE, "TimerIsr%d", tnumber );
|
||||
|
||||
if ( tnumber < LPC176X_TIMER_COUNT && vector != NULL ) {
|
||||
functions_vector[ tnumber ].funct_vector = vector;
|
||||
|
||||
status_code = lpc176x_timer_init( tnumber );
|
||||
status_code = rtems_interrupt_handler_install(
|
||||
LPC176X_TIMER_VECTOR_NUMBER( tnumber ),
|
||||
isrname,
|
||||
RTEMS_INTERRUPT_UNIQUE,
|
||||
lpc176x_timer_isr,
|
||||
(void *) tnumber );
|
||||
}
|
||||
|
||||
return status_code;
|
||||
}
|
||||
@@ -72,33 +72,33 @@ librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/dev/rtc/rtc-support.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/rtc/rtc-config.c
|
||||
|
||||
# GPIO
|
||||
librtemsbsp_a_SOURCES += gpio/lpc-gpio.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/gpio/lpc-gpio.c
|
||||
|
||||
# CAN
|
||||
librtemsbsp_a_SOURCES += can/can.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/can/can.c
|
||||
|
||||
# PWMOUT
|
||||
librtemsbsp_a_SOURCES += pwmout/pwmout.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/pwm/pwmout.c
|
||||
|
||||
# ADC
|
||||
librtemsbsp_a_SOURCES += adc/adc.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/adc.c
|
||||
|
||||
# Timer
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/btimer/btimer.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/timer/timer.c
|
||||
|
||||
# Benchmark Timer
|
||||
librtemsbsp_a_SOURCES += benchmark_timer/benchmark_timer.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/btimer/btimer.c
|
||||
|
||||
# Misc
|
||||
librtemsbsp_a_SOURCES += misc/system-clocks.c
|
||||
librtemsbsp_a_SOURCES += misc/dma.c
|
||||
librtemsbsp_a_SOURCES += misc/dma-copy.c
|
||||
librtemsbsp_a_SOURCES += misc/bspidle.c
|
||||
librtemsbsp_a_SOURCES += misc/io.c
|
||||
librtemsbsp_a_SOURCES += misc/restart.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/system-clocks.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/dma.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/dma-copy.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/bspidle.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/io.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/restart.c
|
||||
|
||||
# Watchdog
|
||||
librtemsbsp_a_SOURCES += watchdog/watchdog.c
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/arm/lpc176x/start/watchdog.c
|
||||
|
||||
# Cache
|
||||
librtemsbsp_a_SOURCES += ../../../../../../bsps/shared/cache/nocache.c
|
||||
|
||||
@@ -1,45 +0,0 @@
|
||||
/**
|
||||
* @file timerbenchmark.c
|
||||
*
|
||||
* @ingroup lpc176x
|
||||
*
|
||||
* @brief Timer benchmark functions for the lpc176x bsp.
|
||||
*/
|
||||
|
||||
/*
|
||||
* Copyright (c) 2014 Taller Technologies.
|
||||
*
|
||||
* @author Boretto Martin (martin.boretto@tallertechnologies.com)
|
||||
* @author Diaz Marcos (marcos.diaz@tallertechnologies.com)
|
||||
* @author Lenarduzzi Federico (federico.lenarduzzi@tallertechnologies.com)
|
||||
* @author Daniel Chicco (daniel.chicco@tallertechnologies.com)
|
||||
*
|
||||
* The license and distribution terms for this file may be
|
||||
* found in the file LICENSE in this distribution or at
|
||||
* http://www.rtems.org/license/LICENSE.
|
||||
*/
|
||||
|
||||
#include <rtems.h>
|
||||
#include <bsp.h>
|
||||
#include <rtems/btimer.h>
|
||||
|
||||
#include <bsp/timer.h>
|
||||
|
||||
static uint32_t benchmark_timer_base;
|
||||
|
||||
void benchmark_timer_initialize( void )
|
||||
{
|
||||
benchmark_timer_base = lpc176x_timer_get_timer_value( LPC176X_TIMER_1 );
|
||||
}
|
||||
|
||||
benchmark_timer_t benchmark_timer_read( void )
|
||||
{
|
||||
uint32_t delta = lpc176x_timer_get_timer_value( LPC176X_TIMER_1 ) -
|
||||
benchmark_timer_base;
|
||||
|
||||
return delta;
|
||||
}
|
||||
|
||||
void benchmark_timer_disable_subtracting_average_overhead( bool find_avg_ovhead )
|
||||
{
|
||||
}
|
||||
Reference in New Issue
Block a user