From: tmk <nobody@nowhere>
Date: Mon, 16 Jun 2014 02:12:45 +0000 (+0900)
Subject: Port timer to mbed
X-Git-Url: https://git.donarmstrong.com/?p=tmk_firmware.git;a=commitdiff_plain;h=867f115bee190515aa195dc3e58f1c381ea9695b

Port timer to mbed
---

diff --git a/common.mk b/common.mk
index 62ac0ff..9d58fa2 100644
--- a/common.mk
+++ b/common.mk
@@ -7,7 +7,7 @@ SRC +=	$(COMMON_DIR)/host.c \
 	$(COMMON_DIR)/action_layer.c \
 	$(COMMON_DIR)/action_util.c \
 	$(COMMON_DIR)/keymap.c \
-	$(COMMON_DIR)/timer.c \
+	$(COMMON_DIR)/avr/timer.c \
 	$(COMMON_DIR)/print.c \
 	$(COMMON_DIR)/bootloader.c \
 	$(COMMON_DIR)/suspend.c \
diff --git a/common/avr/timer.c b/common/avr/timer.c
new file mode 100644
index 0000000..292b41c
--- /dev/null
+++ b/common/avr/timer.c
@@ -0,0 +1,117 @@
+/*
+Copyright 2011 Jun Wako <wakojun@gmail.com>
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#include <avr/io.h>
+#include <avr/interrupt.h>
+#include <stdint.h>
+#include "timer_avr.h"
+#include "timer.h"
+
+
+// counter resolution 1ms
+// NOTE: union { uint32_t timer32; struct { uint16_t dummy; uint16_t timer16; }}
+volatile uint32_t timer_count = 0;
+
+void timer_init(void)
+{
+    // Timer0 CTC mode
+    TCCR0A = 0x02;
+
+#if TIMER_PRESCALER == 1
+    TCCR0B = 0x01;
+#elif TIMER_PRESCALER == 8
+    TCCR0B = 0x02;
+#elif TIMER_PRESCALER == 64
+    TCCR0B = 0x03;
+#elif TIMER_PRESCALER == 256
+    TCCR0B = 0x04;
+#elif TIMER_PRESCALER == 1024
+    TCCR0B = 0x05;
+#else
+#   error "Timer prescaler value is NOT vaild."
+#endif
+
+    OCR0A = TIMER_RAW_TOP;
+    TIMSK0 = (1<<OCIE0A);
+}
+
+inline
+void timer_clear(void)
+{
+    uint8_t sreg = SREG;
+    cli();
+    timer_count = 0;
+    SREG = sreg;
+}
+
+inline
+uint16_t timer_read(void)
+{
+    uint32_t t;
+
+    uint8_t sreg = SREG;
+    cli();
+    t = timer_count;
+    SREG = sreg;
+
+    return (t & 0xFFFF);
+}
+
+inline
+uint32_t timer_read32(void)
+{
+    uint32_t t;
+
+    uint8_t sreg = SREG;
+    cli();
+    t = timer_count;
+    SREG = sreg;
+
+    return t;
+}
+
+inline
+uint16_t timer_elapsed(uint16_t last)
+{
+    uint32_t t;
+
+    uint8_t sreg = SREG;
+    cli();
+    t = timer_count;
+    SREG = sreg;
+
+    return TIMER_DIFF_16((t & 0xFFFF), last);
+}
+
+inline
+uint32_t timer_elapsed32(uint32_t last)
+{
+    uint32_t t;
+
+    uint8_t sreg = SREG;
+    cli();
+    t = timer_count;
+    SREG = sreg;
+
+    return TIMER_DIFF_32(t, last);
+}
+
+// excecuted once per 1ms.(excess for just timer count?)
+ISR(TIMER0_COMPA_vect)
+{
+    timer_count++;
+}
diff --git a/common/mbed/timer.c b/common/mbed/timer.c
new file mode 100644
index 0000000..a64a772
--- /dev/null
+++ b/common/mbed/timer.c
@@ -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);
+}
diff --git a/common/timer.c b/common/timer.c
deleted file mode 100644
index e0dec6c..0000000
--- a/common/timer.c
+++ /dev/null
@@ -1,116 +0,0 @@
-/*
-Copyright 2011 Jun Wako <wakojun@gmail.com>
-
-This program is free software: you can redistribute it and/or modify
-it under the terms of the GNU General Public License as published by
-the Free Software Foundation, either version 2 of the License, or
-(at your option) any later version.
-
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License
-along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*/
-
-#include <avr/io.h>
-#include <avr/interrupt.h>
-#include <stdint.h>
-#include "timer.h"
-
-
-// counter resolution 1ms
-// NOTE: union { uint32_t timer32; struct { uint16_t dummy; uint16_t timer16; }}
-volatile uint32_t timer_count = 0;
-
-void timer_init(void)
-{
-    // Timer0 CTC mode
-    TCCR0A = 0x02;
-
-#if TIMER_PRESCALER == 1
-    TCCR0B = 0x01;
-#elif TIMER_PRESCALER == 8
-    TCCR0B = 0x02;
-#elif TIMER_PRESCALER == 64
-    TCCR0B = 0x03;
-#elif TIMER_PRESCALER == 256
-    TCCR0B = 0x04;
-#elif TIMER_PRESCALER == 1024
-    TCCR0B = 0x05;
-#else
-#   error "Timer prescaler value is NOT vaild."
-#endif
-
-    OCR0A = TIMER_RAW_TOP;
-    TIMSK0 = (1<<OCIE0A);
-}
-
-inline
-void timer_clear(void)
-{
-    uint8_t sreg = SREG;
-    cli();
-    timer_count = 0;
-    SREG = sreg;
-}
-
-inline
-uint16_t timer_read(void)
-{
-    uint32_t t;
-
-    uint8_t sreg = SREG;
-    cli();
-    t = timer_count;
-    SREG = sreg;
-
-    return (t & 0xFFFF);
-}
-
-inline
-uint32_t timer_read32(void)
-{
-    uint32_t t;
-
-    uint8_t sreg = SREG;
-    cli();
-    t = timer_count;
-    SREG = sreg;
-
-    return t;
-}
-
-inline
-uint16_t timer_elapsed(uint16_t last)
-{
-    uint32_t t;
-
-    uint8_t sreg = SREG;
-    cli();
-    t = timer_count;
-    SREG = sreg;
-
-    return TIMER_DIFF_16((t & 0xFFFF), last);
-}
-
-inline
-uint32_t timer_elapsed32(uint32_t last)
-{
-    uint32_t t;
-
-    uint8_t sreg = SREG;
-    cli();
-    t = timer_count;
-    SREG = sreg;
-
-    return TIMER_DIFF_32(t, last);
-}
-
-// excecuted once per 1ms.(excess for just timer count?)
-ISR(TIMER0_COMPA_vect)
-{
-    timer_count++;
-}
diff --git a/common/timer.h b/common/timer.h
index 6437473..f0c5ffc 100644
--- a/common/timer.h
+++ b/common/timer.h
@@ -20,25 +20,6 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 
 #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_8(a, b)      TIMER_DIFF(a, b, UINT8_MAX)
 #define TIMER_DIFF_16(a, b)     TIMER_DIFF(a, b, UINT16_MAX)
diff --git a/keyboard/mbed_onekey/common.mk b/keyboard/mbed_onekey/common.mk
index f21fce8..975ae9d 100644
--- a/keyboard/mbed_onekey/common.mk
+++ b/keyboard/mbed_onekey/common.mk
@@ -1,19 +1,20 @@
 COMMON_DIR = common
 OBJECTS += \
-#	$(COMMON_DIR)/host.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
+	$(OBJDIR)/$(COMMON_DIR)/mbed/timer.o \
 
 INCLUDE_PATHS += \
 	-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 \
diff --git a/keyboard/mbed_onekey/main.cpp b/keyboard/mbed_onekey/main.cpp
index 581534e..1df940a 100644
--- a/keyboard/mbed_onekey/main.cpp
+++ b/keyboard/mbed_onekey/main.cpp
@@ -1,6 +1,7 @@
 #include "mbed.h"
 #include "HIDKeyboard.h"
 #include "debug.h"
+#include "timer.h"
  
 /*
 //#define DEBUG 
@@ -27,11 +28,16 @@ int main(void) {
     //led_red = 0;
     //led_green = 0;
     debug_enable = true;
-    dprintf("HIDKeyboard:\n");
-    print("aaa");
+    dprintf("HIDKeyboard:\r\n");
+
+    timer_init();
+    xprintf("timer: %i\r\n", timer_read());
 
     report_keyboard_t report = { 2, 0, 4, }; //a
     report_keyboard_t report_off = { 0 };
+
+    bool last_isp = isp;
+    uint32_t last_timer;
     while (1) {
         //keyboard.mediaControl(KEY_VOLUME_DOWN);
         //keyboard.printf("Hello World from Mbed\r\n");
@@ -42,14 +48,19 @@ int main(void) {
         //leds = keyboard.lockStatus();
         //ser.putc(ser.getc());
 
+        if (last_isp == isp) continue;
         if (isp == 0) {
             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 {
             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);
     }
 }