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Port timer to mbed

This commit is contained in:
tmk 2014-06-16 11:12:45 +09:00
parent f15b2691c9
commit 867f115bee
6 changed files with 73 additions and 39 deletions

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@ -7,7 +7,7 @@ SRC += $(COMMON_DIR)/host.c \
$(COMMON_DIR)/action_layer.c \ $(COMMON_DIR)/action_layer.c \
$(COMMON_DIR)/action_util.c \ $(COMMON_DIR)/action_util.c \
$(COMMON_DIR)/keymap.c \ $(COMMON_DIR)/keymap.c \
$(COMMON_DIR)/timer.c \ $(COMMON_DIR)/avr/timer.c \
$(COMMON_DIR)/print.c \ $(COMMON_DIR)/print.c \
$(COMMON_DIR)/bootloader.c \ $(COMMON_DIR)/bootloader.c \
$(COMMON_DIR)/suspend.c \ $(COMMON_DIR)/suspend.c \

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@ -18,6 +18,7 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <avr/io.h> #include <avr/io.h>
#include <avr/interrupt.h> #include <avr/interrupt.h>
#include <stdint.h> #include <stdint.h>
#include "timer_avr.h"
#include "timer.h" #include "timer.h"

40
common/mbed/timer.c Normal file
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@ -0,0 +1,40 @@
#include "cmsis.h"
#include "timer.h"
/* Mill second tick count */
volatile uint32_t timer_count = 0;
/* Timer interrupt handler */
void SysTick_Handler(void) {
timer_count++;
}
void timer_init(void)
{
SysTick_Config(SystemCoreClock / 1000); /* 1ms tick */
}
void timer_clear(void)
{
timer_count = 0;
}
uint16_t timer_read(void)
{
return (uint16_t)(timer_count & 0xFFFF);
}
uint32_t timer_read32(void)
{
return timer_count;
}
uint16_t timer_elapsed(uint16_t last)
{
return TIMER_DIFF_16(timer_read(), last);
}
uint32_t timer_elapsed32(uint32_t last)
{
return TIMER_DIFF_32(timer_read32(), last);
}

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@ -20,25 +20,6 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <stdint.h> #include <stdint.h>
#ifndef TIMER_PRESCALER
# if F_CPU > 16000000
# define TIMER_PRESCALER 256
# elif F_CPU > 2000000
# define TIMER_PRESCALER 64
# elif F_CPU > 250000
# define TIMER_PRESCALER 8
# else
# define TIMER_PRESCALER 1
# endif
#endif
#define TIMER_RAW_FREQ (F_CPU/TIMER_PRESCALER)
#define TIMER_RAW TCNT0
#define TIMER_RAW_TOP (TIMER_RAW_FREQ/1000)
#if (TIMER_RAW_TOP > 255)
# error "Timer0 can't count 1ms at this clock freq. Use larger prescaler."
#endif
#define TIMER_DIFF(a, b, max) ((a) >= (b) ? (a) - (b) : (max) - (b) + (a)) #define TIMER_DIFF(a, b, max) ((a) >= (b) ? (a) - (b) : (max) - (b) + (a))
#define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX) #define TIMER_DIFF_8(a, b) TIMER_DIFF(a, b, UINT8_MAX)
#define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX) #define TIMER_DIFF_16(a, b) TIMER_DIFF(a, b, UINT16_MAX)

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@ -1,19 +1,20 @@
COMMON_DIR = common COMMON_DIR = common
OBJECTS += \ OBJECTS += \
# $(COMMON_DIR)/host.o \ $(OBJDIR)/$(COMMON_DIR)/mbed/timer.o \
# $(COMMON_DIR)/keyboard.o \
# $(COMMON_DIR)/action.o \
# $(COMMON_DIR)/action_tapping.o \
# $(COMMON_DIR)/action_macro.o \
# $(COMMON_DIR)/action_layer.o \
# $(COMMON_DIR)/action_util.o \
# $(COMMON_DIR)/keymap.o \
# $(COMMON_DIR)/timer.o \
$(COMMON_DIR)/print.o \
# $(COMMON_DIR)/bootloader.o \
# $(COMMON_DIR)/suspend.o \
$(COMMON_DIR)/xprintf.o \
$(COMMON_DIR)/util.o
INCLUDE_PATHS += \ INCLUDE_PATHS += \
-I$(TMK_DIR)/$(COMMON_DIR) -I$(TMK_DIR)/$(COMMON_DIR)
# $(OBJDIR)/$(COMMON_DIR)/host.o \
# $(OBJDIR)/$(COMMON_DIR)/keyboard.o \
# $(OBJDIR)/$(COMMON_DIR)/action.o \
# $(OBJDIR)/$(COMMON_DIR)/action_tapping.o \
# $(OBJDIR)/$(COMMON_DIR)/action_macro.o \
# $(OBJDIR)/$(COMMON_DIR)/action_layer.o \
# $(OBJDIR)/$(COMMON_DIR)/action_util.o \
# $(OBJDIR)/$(COMMON_DIR)/keymap.o \
# $(OBJDIR)/$(COMMON_DIR)/bootloader.o \
# $(OBJDIR)/$(COMMON_DIR)/suspend.o \

View file

@ -1,6 +1,7 @@
#include "mbed.h" #include "mbed.h"
#include "HIDKeyboard.h" #include "HIDKeyboard.h"
#include "debug.h" #include "debug.h"
#include "timer.h"
/* /*
//#define DEBUG //#define DEBUG
@ -27,11 +28,16 @@ int main(void) {
//led_red = 0; //led_red = 0;
//led_green = 0; //led_green = 0;
debug_enable = true; debug_enable = true;
dprintf("HIDKeyboard:\n"); dprintf("HIDKeyboard:\r\n");
print("aaa");
timer_init();
xprintf("timer: %i\r\n", timer_read());
report_keyboard_t report = { 2, 0, 4, }; //a report_keyboard_t report = { 2, 0, 4, }; //a
report_keyboard_t report_off = { 0 }; report_keyboard_t report_off = { 0 };
bool last_isp = isp;
uint32_t last_timer;
while (1) { while (1) {
//keyboard.mediaControl(KEY_VOLUME_DOWN); //keyboard.mediaControl(KEY_VOLUME_DOWN);
//keyboard.printf("Hello World from Mbed\r\n"); //keyboard.printf("Hello World from Mbed\r\n");
@ -42,14 +48,19 @@ int main(void) {
//leds = keyboard.lockStatus(); //leds = keyboard.lockStatus();
//ser.putc(ser.getc()); //ser.putc(ser.getc());
if (last_isp == isp) continue;
if (isp == 0) { if (isp == 0) {
led_red = 0; // on led_red = 0; // on
keyboard.sendReport(report); xprintf("timer: %i\r\n", timer_read32());
xprintf("diff: %i\r\n", timer_elapsed32(last_timer));
//keyboard.sendReport(report);
} else { } else {
led_red = 1; // off led_red = 1; // off
keyboard.sendReport(report_off); //keyboard.sendReport(report_off);
} }
led_green = !led_green; last_isp = isp;
last_timer = timer_read();
//led_green = !led_green;
//wait(0.5); //wait(0.5);
} }
} }