+/* Buttons */
+
+#define AO_EVENT 1
+
+#define AO_BUTTON_COUNT 4
+#define AO_BUTTON_MODE AO_EXTI_MODE_PULL_DOWN
+#define AO_BUTTON_INVERTED 0
+
+/* INPUT */
+#define AO_BUTTON_0_PORT (&stm_gpioc)
+#define AO_BUTTON_0 8
+
+/* MP */
+#define AO_BUTTON_1_PORT (&stm_gpioc)
+#define AO_BUTTON_1 9
+
+/* RUN */
+#define AO_BUTTON_2_PORT (&stm_gpioc)
+#define AO_BUTTON_2 10
+
+/* LOAD */
+#define AO_BUTTON_3_PORT (&stm_gpioc)
+#define AO_BUTTON_3 11
+
+/* AS1107 */
+#define AO_AS1107_NUM_DIGITS 8
+
+/* Set the hex digits up for decode, leave the extra leds alone */
+
+#define AO_AS1107_DECODE ((1 << 7) | \
+ (1 << 6) | \
+ (1 << 4) | \
+ (1 << 3) | \
+ (1 << 1) | \
+ (1 << 0))
+
+#define AO_AS1107_SPI_INDEX AO_SPI_2_PD1_PD3_PD4
+#define AO_AS1107_SPI_SPEED AO_SPI_SPEED_8MHz
+#define AO_AS1107_CS_PORT (&stm_gpiod)
+#define AO_AS1107_CS_PIN 0
+
+/* Hex keypad */
+
+#define AO_MATRIX_ROWS 4
+#define AO_MATRIX_COLS 4
+
+#define AO_MATRIX_KEYCODES { \
+ { 0x0, 0x1, 0x2, 0x3 }, \
+ { 0x4, 0x5, 0x6, 0x7 }, \
+ { 0x8, 0x9, 0xa, 0xb }, \
+ { 0xc, 0xd, 0xe, 0xf } \
+ }
+
+#include <ao_matrix.h>
+
+#define AO_TIMER_HOOK ao_matrix_poll()
+
+#define AO_MATRIX_ROW_0_PORT (&stm_gpioc)
+#define AO_MATRIX_ROW_0_PIN 4
+
+#define AO_MATRIX_ROW_1_PORT (&stm_gpioc)
+#define AO_MATRIX_ROW_1_PIN 1
+
+#define AO_MATRIX_ROW_2_PORT (&stm_gpioc)
+#define AO_MATRIX_ROW_2_PIN 7
+
+#define AO_MATRIX_ROW_3_PORT (&stm_gpioc)
+#define AO_MATRIX_ROW_3_PIN 0
+
+#define AO_MATRIX_COL_0_PORT (&stm_gpioc)
+#define AO_MATRIX_COL_0_PIN 2
+
+#define AO_MATRIX_COL_1_PORT (&stm_gpioc)
+#define AO_MATRIX_COL_1_PIN 3
+
+#define AO_MATRIX_COL_2_PORT (&stm_gpioc)
+#define AO_MATRIX_COL_2_PIN 5
+
+#define AO_MATRIX_COL_3_PORT (&stm_gpioc)
+#define AO_MATRIX_COL_3_PIN 6
+