ch32h41x-pinctrl.h

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/*
 * Copyright (c) 2026 Liu Changjie
 *
 * SPDX-License-Identifier: Apache-2.0
 */
 
#ifndef __CH32H41X_PINCTRL_H__
#define __CH32H41X_PINCTRL_H__



#define CH32H41X_PINMUX_PORT_PA 0
#define CH32H41X_PINMUX_PORT_PB 1
#define CH32H41X_PINMUX_PORT_PC 2
#define CH32H41X_PINMUX_PORT_PD 3
#define CH32H41X_PINMUX_PORT_PE 4
#define CH32H41X_PINMUX_PORT_PF 5

#define CH32H41X_PINMUX_PORT_MASK 0x007
#define CH32H41X_PINMUX_PIN_MASK  0x078
#define CH32H41X_PINMUX_AF_MASK   0x780

#define CH32H41X_PINMUX(port, pin, af) ((CH32H41X_PINMUX_PORT_##port) | ((pin) << 3) | ((af) << 7))
 
/* USART1: AF7 */
#define USART1_TX_PA9_AF7  CH32H41X_PINMUX(PA, 9, 7)
#define USART1_RX_PA10_AF7 CH32H41X_PINMUX(PA, 10, 7)
 
/* USART8: AF11 */
#define USART8_TX_PB4_AF11 CH32H41X_PINMUX(PB, 4, 11)

 
#endif /* __CH32H41X_PINCTRL_H__ */