OIER_E0
#define OIER_E0 (1 << 0) /* Interrupt enable channel 0 */
#define OIER_E0 OIER_E (0) /* match interrupt Enable 0 */
#define OIER_E0 (1 << 0) /* Interrupt enable channel 0 */
#define OIER_E0 (1 << 0) /* Interrupt enable channel 0 */