You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
93 lines
2.4 KiB
C
93 lines
2.4 KiB
C
/* Board Support Package (BSP) for the EK-TM4C123GXL board */
|
|
#include <stdint.h> /* Standard integers. WG14/N843 C99 Standard */
|
|
|
|
#include "bsp.h"
|
|
#include "miros.h"
|
|
#include "qassert.h"
|
|
#include "TM4C123GH6PM.h" /* the TM4C MCU Peripheral Access Layer (TI) */
|
|
|
|
/* on-board LEDs */
|
|
#define LED_RED (1U << 1)
|
|
#define LED_BLUE (1U << 2)
|
|
#define LED_GREEN (1U << 3)
|
|
#define TEST_PIN (1U << 4)
|
|
|
|
static uint32_t volatile l_tickCtr;
|
|
|
|
void SysTick_Handler(void) {
|
|
GPIOF_AHB->DATA_Bits[TEST_PIN] = TEST_PIN;
|
|
|
|
OS_tick();
|
|
|
|
__disable_irq();
|
|
OS_sched();
|
|
__enable_irq();
|
|
|
|
GPIOF_AHB->DATA_Bits[TEST_PIN] = 0U;
|
|
}
|
|
|
|
void BSP_init(void) {
|
|
SYSCTL->GPIOHBCTL |= (1U << 5); /* enable AHB for GPIOF */
|
|
SYSCTL->RCGCGPIO |= (1U << 5); /* enable Run Mode for GPIOF */
|
|
|
|
GPIOF_AHB->DIR |= (LED_RED | LED_BLUE | LED_GREEN | TEST_PIN);
|
|
GPIOF_AHB->DEN |= (LED_RED | LED_BLUE | LED_GREEN | TEST_PIN);
|
|
}
|
|
|
|
void BSP_ledRedOn(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_RED] = LED_RED;
|
|
}
|
|
|
|
void BSP_ledRedOff(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_RED] = 0U;
|
|
}
|
|
|
|
void BSP_ledBlueOn(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_BLUE] = LED_BLUE;
|
|
}
|
|
|
|
void BSP_ledBlueOff(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_BLUE] = 0U;
|
|
}
|
|
|
|
void BSP_ledGreenOn(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_GREEN] = LED_GREEN;
|
|
}
|
|
|
|
void BSP_ledGreenOff(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_GREEN] = 0U;
|
|
}
|
|
|
|
void OS_onStartup(void) {
|
|
SystemCoreClockUpdate();
|
|
SysTick_Config(SystemCoreClock / BSP_TICKS_PER_SEC);
|
|
|
|
/* set the SysTick interrupt priority (highest) */
|
|
NVIC_SetPriority(SysTick_IRQn, 0U);
|
|
}
|
|
|
|
void OS_onIdle(void) {
|
|
GPIOF_AHB->DATA_Bits[LED_RED] = LED_RED;
|
|
GPIOF_AHB->DATA_Bits[LED_RED] = 0U;
|
|
__WFI(); /* stop the CPU and Wait for Interrupt */
|
|
}
|
|
|
|
//............................................................................
|
|
_Noreturn void Q_onAssert(char const * const module, int const id) {
|
|
(void)module; // unused parameter
|
|
(void)id; // unused parameter
|
|
#ifndef NDEBUG
|
|
// light up all LEDs
|
|
GPIOF_AHB->DATA_Bits[LED_GREEN | LED_RED | LED_BLUE] = 0xFFU;
|
|
// for debugging, hang on in an endless loop...
|
|
for (;;) {
|
|
}
|
|
#endif
|
|
NVIC_SystemReset();
|
|
}
|
|
//............................................................................
|
|
_Noreturn void assert_failed(char const * const module, int const id);
|
|
_Noreturn void assert_failed(char const * const module, int const id) {
|
|
Q_onAssert(module, id);
|
|
}
|