Diff: keyboard.h

Revision:

3:f7bce78b04c1

Child:

9:311b6676272d

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/keyboard.h	Thu Jun 26 11:41:45 2014 +0000
@@ -0,0 +1,80 @@
+/* Keyboard TCA8418 declarations */
+
+
+const int CDU_KB_READ  = 0x68;  //initiate a READ
+const int CDU_KB_WRITE = 0x69;  //initiate a WRITE
+
+/* TCA8418 hardware limits */
+#define TCA8418_MAX_ROWS        8
+#define TCA8418_MAX_COLS        10
+
+/* TCA8418 register offsets */
+#define REG_CFG                 0x01
+#define REG_INT_STAT            0x02
+#define REG_KEY_LCK_EC          0x03
+#define REG_KEY_EVENT_A         0x04
+#define REG_KEY_EVENT_B         0x05
+#define REG_KEY_EVENT_C         0x06
+#define REG_KEY_EVENT_D         0x07
+#define REG_KEY_EVENT_E         0x08
+#define REG_KEY_EVENT_F         0x09
+#define REG_KEY_EVENT_G         0x0A
+#define REG_KEY_EVENT_H         0x0B
+#define REG_KEY_EVENT_I         0x0C
+#define REG_KEY_EVENT_J         0x0D
+#define REG_KP_LCK_TIMER        0x0E
+#define REG_UNLOCK1             0x0F
+#define REG_UNLOCK2             0x10
+#define REG_GPIO_INT_STAT1      0x11
+#define REG_GPIO_INT_STAT2      0x12
+#define REG_GPIO_INT_STAT3      0x13
+#define REG_GPIO_DAT_STAT1      0x14
+#define REG_GPIO_DAT_STAT2      0x15
+#define REG_GPIO_DAT_STAT3      0x16
+#define REG_GPIO_DAT_OUT1       0x17
+#define REG_GPIO_DAT_OUT2       0x18
+#define REG_GPIO_DAT_OUT3       0x19
+#define REG_GPIO_INT_EN1        0x1A
+#define REG_GPIO_INT_EN2        0x1B
+#define REG_GPIO_INT_EN3        0x1C
+#define REG_KP_GPIO1            0x1D
+#define REG_KP_GPIO2            0x1E
+#define REG_KP_GPIO3            0x1F
+#define REG_GPI_EM1             0x20
+#define REG_GPI_EM2             0x21
+#define REG_GPI_EM3             0x22
+#define REG_GPIO_DIR1           0x23
+#define REG_GPIO_DIR2           0x24
+#define REG_GPIO_DIR3           0x25
+#define REG_GPIO_INT_LVL1       0x26
+#define REG_GPIO_INT_LVL2       0x27
+#define REG_GPIO_INT_LVL3       0x28
+#define REG_DEBOUNCE_DIS1       0x29
+#define REG_DEBOUNCE_DIS2       0x2A
+#define REG_DEBOUNCE_DIS3       0x2B
+#define REG_GPIO_PULL1          0x2C
+#define REG_GPIO_PULL2          0x2D
+#define REG_GPIO_PULL3          0x2E
+ 
+/* TCA8418 bit definitions */
+#define CFG_AI                  BIT(7)
+#define CFG_GPI_E_CFG           BIT(6)
+#define CFG_OVR_FLOW_M          BIT(5)
+#define CFG_INT_CFG             BIT(4)
+#define CFG_OVR_FLOW_IEN        BIT(3)
+#define CFG_K_LCK_IEN           BIT(2)
+#define CFG_GPI_IEN             BIT(1)
+#define CFG_KE_IEN              BIT(0)
+ 
+#define INT_STAT_CAD_INT        BIT(4)
+#define INT_STAT_OVR_FLOW_INT   BIT(3)
+#define INT_STAT_K_LCK_INT      BIT(2)
+#define INT_STAT_GPI_INT        BIT(1)
+#define INT_STAT_K_INT          BIT(0)
+ 
+/* TCA8418 register masks */
+#define KEY_LCK_EC_KEC          0x7
+#define KEY_EVENT_CODE          0x7f
+#define KEY_EVENT_VALUE         0x80
+
+