[bsp/ls1cdev]添加自引导特性，添加配置选项

1、添加自引导特性，添加配置选项
2、修复cpuport.c的bug
3、修复ls1c_pin.c不能默认复用的bug

1 files changed, 100 insertions, 98 deletions

diff --git a/bsp/ls1cdev/libraries/ls1c_pin.c b/bsp/ls1cdev/libraries/ls1c_pin.c
index 15b4157b15..81f56c0b0c 100644
--- a/bsp/ls1cdev/libraries/ls1c_pin.c
+++ b/bsp/ls1cdev/libraries/ls1c_pin.c
@@ -1,4 +1,4 @@
-// ���Ź���(��ͨgpio��pwm�����õ�)��ؽӿ�
+// 引脚功能(普通gpio，pwm，复用等)相关接口
 
 
 #include "ls1c_public.h"
@@ -8,21 +8,21 @@
 
 
 /*
- * ��ָ��pin����Ϊָ����;(��ͨgpio����gpio)
- * @gpio gpio���ű��
- * @purpose ��;
+ * 把指定pin设置为指定用途(普通gpio，非gpio)
+ * @gpio gpio引脚编号
+ * @purpose 用途
  */
 void pin_set_purpose(unsigned int gpio, pin_purpose_t purpose)
 {
-    volatile unsigned int *gpio_cfgx;           // GPIO_CFGx�Ĵ���
+    volatile unsigned int *gpio_cfgx;           // GPIO_CFGx寄存器
     unsigned int pin = GPIO_GET_PIN(gpio);
 
     gpio_cfgx = gpio_get_cfg_reg(gpio);
-    if (PIN_PURPOSE_GPIO == purpose)            // ����������ͨgpio
+    if (PIN_PURPOSE_GPIO == purpose)            // 引脚用作普通gpio
     {
         reg_set_one_bit(gpio_cfgx, pin);
     }
-    else                                        // ����������������(��gpio)
+    else                                        // 引脚用作其它功能(非gpio)
     {
         reg_clr_one_bit(gpio_cfgx, pin);
     }
@@ -33,116 +33,118 @@ void pin_set_purpose(unsigned int gpio, pin_purpose_t purpose)
 
 
 /*
- * ����ָ��pinΪ��n����
- * @gpio gpio���
- * @remap ��n����
+ * 设置指定pin为第n复用
+ * @gpio gpio编号
+ * @remap 第n复用
  */
 void pin_set_remap(unsigned int gpio, pin_remap_t remap)
 {
-    volatile unsigned int *reg = NULL;          // ���üĴ���
+    volatile unsigned int *reg = NULL;          // 复用寄存器
     unsigned int port = GPIO_GET_PORT(gpio);
     unsigned int pin  = GPIO_GET_PIN(gpio);
-	int i;
+    int i;
 
-	/*ָ��ȫ��pin����Ϊ0*/
-	for(i =0; i <=4; i++)
-	{
-		reg = (volatile unsigned int *)((LS1C_CBUS_FIRST0)+((port)*0x04)+((i)*0x10));
-		// ��0
-		reg_clr_one_bit(reg, pin);		
-	}		
+    /*指定全部pin复用为0*/
+    for (i = 0; i <= 4; i++)
+    {
+        reg = (volatile unsigned int *)((LS1C_CBUS_FIRST0) + ((port) * 0x04) + ((i) * 0x10));
+        // 置0
+        reg_clr_one_bit(reg, pin);
+    }
+
+    if (remap == PIN_REMAP_DEFAULT) return;
 
     switch (port)
     {
-        case 0:
-            switch (remap)
-            {
-                case PIN_REMAP_FIRST:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIRST0;
-                    break;
-                case PIN_REMAP_SECOND:
-                    reg = (volatile unsigned int *)LS1C_CBUS_SECOND0;
-                    break;
-                case PIN_REMAP_THIRD:
-                    reg = (volatile unsigned int *)LS1C_CBUS_THIRD0;
-                    break;
-                case PIN_REMAP_FOURTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FOURTH0;
-                    break;
-                case PIN_REMAP_FIFTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIFTH0;
-                    break;
-            }
+    case 0:
+        switch (remap)
+        {
+        case PIN_REMAP_FIRST:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIRST0;
+            break;
+        case PIN_REMAP_SECOND:
+            reg = (volatile unsigned int *)LS1C_CBUS_SECOND0;
+            break;
+        case PIN_REMAP_THIRD:
+            reg = (volatile unsigned int *)LS1C_CBUS_THIRD0;
             break;
+        case PIN_REMAP_FOURTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FOURTH0;
+            break;
+        case PIN_REMAP_FIFTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIFTH0;
+            break;
+        }
+        break;
 
-        case 1:
-            switch (remap)
-            {
-                case PIN_REMAP_FIRST:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIRST1;
-                    break;
-                case PIN_REMAP_SECOND:
-                    reg = (volatile unsigned int *)LS1C_CBUS_SECOND1;
-                    break;
-                case PIN_REMAP_THIRD:
-                    reg = (volatile unsigned int *)LS1C_CBUS_THIRD1;
-                    break;
-                case PIN_REMAP_FOURTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FOURTH1;
-                    break;
-                case PIN_REMAP_FIFTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIFTH1;
-                    break;
-            }
+    case 1:
+        switch (remap)
+        {
+        case PIN_REMAP_FIRST:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIRST1;
+            break;
+        case PIN_REMAP_SECOND:
+            reg = (volatile unsigned int *)LS1C_CBUS_SECOND1;
+            break;
+        case PIN_REMAP_THIRD:
+            reg = (volatile unsigned int *)LS1C_CBUS_THIRD1;
+            break;
+        case PIN_REMAP_FOURTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FOURTH1;
             break;
+        case PIN_REMAP_FIFTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIFTH1;
+            break;
+        }
+        break;
 
-        case 2:
-            switch (remap)
-            {
-                case PIN_REMAP_FIRST:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIRST2;
-                    break;
-                case PIN_REMAP_SECOND:
-                    reg = (volatile unsigned int *)LS1C_CBUS_SECOND2;
-                    break;
-                case PIN_REMAP_THIRD:
-                    reg = (volatile unsigned int *)LS1C_CBUS_THIRD2;
-                    break;
-                case PIN_REMAP_FOURTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FOURTH2;
-                    break;
-                case PIN_REMAP_FIFTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIFTH2;
-                    break;
-            }
+    case 2:
+        switch (remap)
+        {
+        case PIN_REMAP_FIRST:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIRST2;
+            break;
+        case PIN_REMAP_SECOND:
+            reg = (volatile unsigned int *)LS1C_CBUS_SECOND2;
+            break;
+        case PIN_REMAP_THIRD:
+            reg = (volatile unsigned int *)LS1C_CBUS_THIRD2;
+            break;
+        case PIN_REMAP_FOURTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FOURTH2;
+            break;
+        case PIN_REMAP_FIFTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIFTH2;
             break;
+        }
+        break;
 
-        case 3:
-            switch (remap)
-            {
-                case PIN_REMAP_FIRST:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIRST3;
-                    break;
-                case PIN_REMAP_SECOND:
-                    reg = (volatile unsigned int *)LS1C_CBUS_SECOND3;
-                    break;
-                case PIN_REMAP_THIRD:
-                    reg = (volatile unsigned int *)LS1C_CBUS_THIRD3;
-                    break;
-                case PIN_REMAP_FOURTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FOURTH3;
-                    break;
-                case PIN_REMAP_FIFTH:
-                    reg = (volatile unsigned int *)LS1C_CBUS_FIFTH3;
-                    break;
-            }
+    case 3:
+        switch (remap)
+        {
+        case PIN_REMAP_FIRST:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIRST3;
+            break;
+        case PIN_REMAP_SECOND:
+            reg = (volatile unsigned int *)LS1C_CBUS_SECOND3;
+            break;
+        case PIN_REMAP_THIRD:
+            reg = (volatile unsigned int *)LS1C_CBUS_THIRD3;
+            break;
+        case PIN_REMAP_FOURTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FOURTH3;
+            break;
+        case PIN_REMAP_FIFTH:
+            reg = (volatile unsigned int *)LS1C_CBUS_FIFTH3;
             break;
+        }
+        break;
 
-        default:
-            return ;
+    default:
+        return ;
     }
 
-    // ��1
+    // 置1
     reg_set_one_bit(reg, pin);
 
     return ;