From 867f115bee190515aa195dc3e58f1c381ea9695b Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Mon, 16 Jun 2014 11:12:45 +0900
Subject: Port timer to mbed

---
 common/mbed/timer.c | 40 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 common/mbed/timer.c

(limited to 'common/mbed')

diff --git a/common/mbed/timer.c b/common/mbed/timer.c
new file mode 100644
index 000000000..a64a77239
--- /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);
+}
-- 
cgit v1.2.3-24-g4f1b


From 04fe78ee0a7fe9baed39f021799a3dbb24ebeb36 Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Mon, 16 Jun 2014 15:38:39 +0900
Subject: Fix print and timer

---
 common/mbed/timer.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'common/mbed')

diff --git a/common/mbed/timer.c b/common/mbed/timer.c
index a64a77239..c357ceb78 100644
--- a/common/mbed/timer.c
+++ b/common/mbed/timer.c
@@ -11,6 +11,7 @@ void SysTick_Handler(void)  {
 
 void timer_init(void)
 {
+    timer_count = 0;
     SysTick_Config(SystemCoreClock / 1000); /* 1ms tick */
 }
 
-- 
cgit v1.2.3-24-g4f1b


From e81c70149ecf73256f8bb7d77cefc07f2b91d2be Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Tue, 17 Jun 2014 22:41:14 +0900
Subject: Fix common files for mbed

---
 common/mbed/bootloader.c |  4 ++++
 common/mbed/suspend.c    |  6 ++++++
 common/mbed/xprintf.cpp  | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 common/mbed/xprintf.h    | 17 +++++++++++++++++
 4 files changed, 73 insertions(+)
 create mode 100644 common/mbed/bootloader.c
 create mode 100644 common/mbed/suspend.c
 create mode 100644 common/mbed/xprintf.cpp
 create mode 100644 common/mbed/xprintf.h

(limited to 'common/mbed')

diff --git a/common/mbed/bootloader.c b/common/mbed/bootloader.c
new file mode 100644
index 000000000..b51e83943
--- /dev/null
+++ b/common/mbed/bootloader.c
@@ -0,0 +1,4 @@
+#include "bootloader.h"
+
+
+void bootloader_jump(void) {}
diff --git a/common/mbed/suspend.c b/common/mbed/suspend.c
new file mode 100644
index 000000000..32651574f
--- /dev/null
+++ b/common/mbed/suspend.c
@@ -0,0 +1,6 @@
+#include <stdbool.h>
+
+
+void suspend_power_down(void) {}
+bool suspend_wakeup_condition(void) { return true; }
+void suspend_wakeup_init(void) {}
diff --git a/common/mbed/xprintf.cpp b/common/mbed/xprintf.cpp
new file mode 100644
index 000000000..4342b79f8
--- /dev/null
+++ b/common/mbed/xprintf.cpp
@@ -0,0 +1,46 @@
+#include <cstdarg>
+//#include <stdarg.h>
+#include "mbed.h"
+#include "mbed/xprintf.h"
+
+
+#define STRING_STACK_LIMIT    120
+
+/* mbed Serial */
+Serial ser(UART_TX, UART_RX);
+
+/* TODO: Need small implementation for embedded */
+int xprintf(const char* format, ...)
+{
+    /* copy from mbed/common/RawSerial.cpp */
+    std::va_list arg;
+    va_start(arg, format);
+    int len = vsnprintf(NULL, 0, format, arg);
+    if (len < STRING_STACK_LIMIT) {
+        char temp[STRING_STACK_LIMIT];
+        vsprintf(temp, format, arg);
+        ser.puts(temp);
+    } else {
+        char *temp = new char[len + 1];
+        vsprintf(temp, format, arg);
+        ser.puts(temp);
+        delete[] temp;
+    }
+    va_end(arg);
+    return len;
+
+/* Fail: __builtin_va_arg_pack?
+ * https://gcc.gnu.org/onlinedocs/gcc-4.3.5/gcc/Constructing-Calls.html#Constructing-Calls
+    void *arg = __builtin_apply_args();
+    void *ret = __builtin_apply((void*)(&(ser.printf)), arg, 100);
+    __builtin_return(ret)
+*/
+/* Fail: varargs can not be passed to printf
+    //int r = ser.printf("test %i\r\n", 123);
+    va_list arg;
+    va_start(arg, format);
+    int r = ser.printf(format, arg);
+    va_end(arg);
+    return r;
+*/
+}
diff --git a/common/mbed/xprintf.h b/common/mbed/xprintf.h
new file mode 100644
index 000000000..26bc529e5
--- /dev/null
+++ b/common/mbed/xprintf.h
@@ -0,0 +1,17 @@
+#ifndef XPRINTF_H
+#define XPRINTF_H
+
+//#define xprintf(format, ...)            __xprintf(format, ##__VA_ARGS__)
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+int xprintf(const char *format, ...);
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif
-- 
cgit v1.2.3-24-g4f1b