update freertos example

work with samd21 samd51 and nrf
This commit is contained in:
hathach 2020-03-10 23:16:09 +07:00
parent fd5c64d7b5
commit 65578dec44
16 changed files with 101 additions and 58 deletions

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@ -20,7 +20,7 @@ SRC_C += \
$(FREERTOS_SRC)/tasks.c \
$(FREERTOS_SRC)/timers.c \
$(FREERTOS_SRC)/portable/MemMang/heap_4.c \
$(FREERTOS_SRC)/portable/GCC/$(FREERTOS_PORT)/port.c \
$(FREERTOS_SRC)/portable/GCC/$(FREERTOS_PORT)/port.c
# FreeRTOS (lto + Os) linker issue
LDFLAGS += -Wl,--undefined=vTaskSwitchContext

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@ -41,8 +41,17 @@
*
* See http://www.freertos.org/a00110.html.
*----------------------------------------------------------*/
#include "nrf.h"
// for OPT_MCU_
#include "tusb_option.h"
#if CFG_TUSB_MCU == OPT_MCU_NRF5X
#include "nrf.h"
#elif CFG_TUSB_MCU == OPT_MCU_SAMD21 || CFG_TUSB_MCU == OPT_MCU_SAMD51
#include "sam.h"
#else
#error "FreeRTOSConfig.h need to include low level mcu header for configuration"
#endif
#define configUSE_PREEMPTION 1
#define configUSE_PORT_OPTIMISED_TASK_SELECTION 0
@ -50,7 +59,7 @@
#define configTICK_RATE_HZ ( 1000 )
#define configMAX_PRIORITIES ( 5 )
#define configMINIMAL_STACK_SIZE ( 128 )
#define configTOTAL_HEAP_SIZE ( 16*1024 )
#define configTOTAL_HEAP_SIZE ( 4*1024 )
#define configMAX_TASK_NAME_LEN 16
#define configUSE_16_BIT_TICKS 0
#define configIDLE_SHOULD_YIELD 1
@ -108,18 +117,18 @@
/* Define to trap errors during development. */
// Halt CPU (breakpoint) when hitting error, only apply for Cortex M3, M4, M7
#if defined(__ARM_ARCH_7M__) || defined (__ARM_ARCH_7EM__)
#define configASSERT(_exp) \
do {\
if ( !(_exp) ) { \
volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
if ( (*ARM_CM_DHCSR) & 1UL ) { /* Only halt mcu if debugger is attached */ \
taskDISABLE_INTERRUPTS(); \
__asm("BKPT #0\n"); \
#define configASSERT(_exp) \
do {\
if ( !(_exp) ) { \
volatile uint32_t* ARM_CM_DHCSR = ((volatile uint32_t*) 0xE000EDF0UL); /* Cortex M CoreDebug->DHCSR */ \
if ( (*ARM_CM_DHCSR) & 1UL ) { /* Only halt mcu if debugger is attached */ \
taskDISABLE_INTERRUPTS(); \
__asm("BKPT #0\n"); \
}\
}\
}\
} while(0)
} while(0)
#else
#define configASSERT( x )
#define configASSERT( x )
#endif
/* FreeRTOS hooks to NVIC vectors */
@ -144,15 +153,6 @@
routine that makes calls to interrupt safe FreeRTOS API functions. DO NOT CALL
INTERRUPT SAFE FREERTOS API FUNCTIONS FROM ANY INTERRUPT THAT HAS A HIGHER
PRIORITY THAN THIS! (higher priorities are lower numeric values. */
/* SD priority
* 0: SD timing critical
* 1: SD memory protection
* 2: App Highest
* 3: App High
* 4: SD non-time-critical
* 5+ Remaining Application
*/
#define configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY 2
/* Interrupt priorities used by the kernel port layer itself. These are generic

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@ -53,6 +53,16 @@ enum {
TimerHandle_t blink_tm;
// static task
#define USBD_STACK_SIZE 150
StackType_t stack_usbd[USBD_STACK_SIZE];
StaticTask_t static_task_usbd;
#define CDC_STACK_SZIE 128
StackType_t stack_cdc[CDC_STACK_SZIE];
StaticTask_t static_task_cdc;
void led_blinky_cb(TimerHandle_t xTimer);
void usb_device_task(void* param);
void cdc_task(void* params);
@ -69,11 +79,11 @@ int main(void)
tusb_init();
// Create a task for tinyusb device stack
xTaskCreate( usb_device_task, "usbd", 150, NULL, configMAX_PRIORITIES-1, NULL);
(void) xTaskCreateStatic( usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, stack_usbd, &static_task_usbd);
// Create task
#if CFG_TUD_CDC
xTaskCreate( cdc_task, "cdc", 128, NULL, configMAX_PRIORITIES-2, NULL);
(void) xTaskCreateStatic( cdc_task, "cdc", CDC_STACK_SZIE, NULL, configMAX_PRIORITIES-2, stack_cdc, &static_task_cdc);
#endif
vTaskStartScheduler();

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@ -41,4 +41,5 @@ JLINK_DEVICE = ATSAMD21G18
JLINK_IF = swd
# flash using jlink
flash: flash-jlink
flash: $(BUILD)/$(BOARD)-firmware.uf2
cp $< /media/$(USER)/CPLAYBOOT/

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@ -60,6 +60,11 @@ void board_init(void)
_sysctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -68,9 +73,9 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_DOWN);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -60,6 +60,11 @@ void board_init(void)
_sysctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -68,9 +73,9 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -58,6 +58,11 @@ void board_init(void)
_oscctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -66,9 +71,12 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_2_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_3_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -71,10 +71,8 @@ void board_init(void)
// Button
nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock/1000);
#endif
// UART
nrfx_uarte_config_t uart_cfg =
@ -99,7 +97,6 @@ void board_init(void)
// 2 is highest for application
NVIC_SetPriority(USBD_IRQn, 2);
// USB power may already be ready at this time -> no event generated
// We need to invoke the handler based on the status initially
uint32_t usb_reg;

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@ -62,17 +62,14 @@ void board_init(void)
// Button
nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock/1000);
#endif
#if TUSB_OPT_DEVICE_ENABLED
// Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice
// 2 is highest for application
NVIC_SetPriority(USBD_IRQn, 2);
// USB power may already be ready at this time -> no event generated
// We need to invoke the handler based on the status initially
uint32_t usb_reg;

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@ -60,6 +60,11 @@ void board_init(void)
_sysctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -68,9 +73,9 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -58,6 +58,11 @@ void board_init(void)
_oscctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -66,9 +71,12 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_2_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_3_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -60,6 +60,11 @@ void board_init(void)
_sysctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -68,9 +73,9 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -58,6 +58,11 @@ void board_init(void)
_oscctrl_init_referenced_generators();
_gclk_init_generators_by_fref(_GCLK_INIT_LAST);
// Update SystemCoreClock since it is hard coded with asf4 and not correct
// Init 1ms tick timer (samd SystemCoreClock may not correct)
SystemCoreClock = CONF_CPU_FREQUENCY;
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
@ -66,9 +71,12 @@ void board_init(void)
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer (samd SystemCoreClock may not correct)
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_2_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_3_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
/* USB Clock init

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@ -71,10 +71,8 @@ void board_init(void)
// Button
nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock/1000);
#endif
// UART
nrfx_uarte_config_t uart_cfg =

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@ -62,10 +62,8 @@ void board_init(void)
// Button
nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock/1000);
#endif
#if TUSB_OPT_DEVICE_ENABLED
// Priorities 0, 1, 4 (nRF52) are reserved for SoftDevice

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@ -71,10 +71,8 @@ void board_init(void)
// Button
nrf_gpio_cfg_input(BUTTON_PIN, NRF_GPIO_PIN_PULLUP);
#if CFG_TUSB_OS == OPT_OS_NONE
// 1ms tick timer
SysTick_Config(SystemCoreClock/1000);
#endif
// UART
nrfx_uarte_config_t uart_cfg =