1 files changed, 13 insertions, 2 deletions
diff --git a/1/config.h b/1/config.h
index 6326354..dbe3a86 100644
--- a/1/config.h
+++ b/1/config.h
@@ -9,7 +9,18 @@
 typedef uint32_t ti_am335x_word_t;
 
 // p. 180: "Control Module"
-#define TI_AM335X_CM_ADDR ((ti_am335x_word_t*) 0x44E1_0000)
+#define TI_AM335X_CM_ADDR 0x44E10000
+// p. 182: "GPIO1"
+#define TI_AM335X_GPIO1_ADDR 0x4804C000
 // p. 1459: "conf_gpmc_a3"
-#define TI_AM335X_CM_GPMC_A3_ADDR ((ti_am335x_word_t*) TI_AM3358_CM_ADDR + 0x84Ch)
+#define TI_AM335X_CM_GPMC_A3_ADDR (TI_AM335X_CM_ADDR + 0x84C)
 
+// p. 4990, variable names copied as-is
+#define GPIO_OE (0x134 / (sizeof(ti_am335x_word_t)))
+#define GPIO_DATAIN (0x138 / (sizeof(ti_am335x_word_t)))
+#define GPIO_CLEARDATAOUT (0x190 / (sizeof(ti_am335x_word_t)))
+#define GPIO_SETDATAOUT (0x194 / (sizeof(ti_am335x_word_t)))
+// total size of GPIO registers from p. 4990 (in bytes)
+#define GPIO_REG_SIZE 0x198
+
+#define PIN 19