412 lines
24 KiB
C
412 lines
24 KiB
C
/********************************** (C) COPYRIGHT *******************************
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* File Name : ch32x035_usbpd.h
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* Author : WCH
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* Version : V1.0.0
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* Date : 2023/04/06
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* Description : This file contains all the functions prototypes for the USBPD
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* firmware library.
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*********************************************************************************
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* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
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* Attention: This software (modified or not) and binary are used for
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* microcontroller manufactured by Nanjing Qinheng Microelectronics.
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*******************************************************************************/
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#ifndef __CH32X035_USBPD_H
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#define __CH32X035_USBPD_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include "ch32x035.h"
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#ifndef VOID
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#define VOID void
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#endif
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#ifndef CONST
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#define CONST const
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#endif
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#ifndef BOOL
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typedef unsigned char BOOL;
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#endif
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#ifndef BOOLEAN
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typedef unsigned char BOOLEAN;
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#endif
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#ifndef CHAR
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typedef char CHAR;
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#endif
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#ifndef INT8
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typedef char INT8;
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#endif
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#ifndef INT16
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typedef short INT16;
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#endif
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#ifndef INT32
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typedef long INT32;
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#endif
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#ifndef UINT8
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typedef unsigned char UINT8;
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#endif
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#ifndef UINT16
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typedef unsigned short UINT16;
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#endif
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#ifndef UINT32
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typedef unsigned long UINT32;
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#endif
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#ifndef UINT8V
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typedef unsigned char volatile UINT8V;
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#endif
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#ifndef UINT16V
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typedef unsigned short volatile UINT16V;
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#endif
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#ifndef UINT32V
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typedef unsigned long volatile UINT32V;
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#endif
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#ifndef PVOID
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typedef void *PVOID;
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#endif
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#ifndef PCHAR
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typedef char *PCHAR;
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#endif
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#ifndef PCHAR
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typedef const char *PCCHAR;
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#endif
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#ifndef PINT8
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typedef char *PINT8;
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#endif
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#ifndef PINT16
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typedef short *PINT16;
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#endif
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#ifndef PINT32
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typedef long *PINT32;
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#endif
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#ifndef PUINT8
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typedef unsigned char *PUINT8;
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#endif
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#ifndef PUINT16
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typedef unsigned short *PUINT16;
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#endif
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#ifndef PUINT32
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typedef unsigned long *PUINT32;
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#endif
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#ifndef PUINT8V
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typedef volatile unsigned char *PUINT8V;
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#endif
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#ifndef PUINT16V
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typedef volatile unsigned short *PUINT16V;
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#endif
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#ifndef PUINT32V
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typedef volatile unsigned long *PUINT32V;
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#endif
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/******************************************************************************/
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/* Related macro definitions */
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/* Define the return value of the function */
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#ifndef SUCCESS
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#define SUCCESS 0
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#endif
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#ifndef FAIL
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#define FAIL 0xFF
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#endif
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/* Register Bit Definition */
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/* USBPD->CONFIG */
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#define PD_FILT_ED (1<<0) /* PD pin input filter enable */
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#define PD_ALL_CLR (1<<1) /* Clear all interrupt flags */
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#define CC_SEL (1<<2) /* Select PD communication port */
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#define PD_DMA_EN (1<<3) /* Enable DMA for USBPD */
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#define PD_RST_EN (1<<4) /* PD mode reset command enable */
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#define WAKE_POLAR (1<<5) /* PD port wake-up level */
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#define IE_PD_IO (1<<10) /* PD IO interrupt enable */
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#define IE_RX_BIT (1<<11) /* Receive bit interrupt enable */
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#define IE_RX_BYTE (1<<12) /* Receive byte interrupt enable */
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#define IE_RX_ACT (1<<13) /* Receive completion interrupt enable */
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#define IE_RX_RESET (1<<14) /* Reset interrupt enable */
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#define IE_TX_END (1<<15) /* Transfer completion interrupt enable */
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/* USBPD->CONTROL */
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#define PD_TX_EN (1<<0) /* USBPD transceiver mode and transmit enable */
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#define BMC_START (1<<1) /* BMC send start signal */
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#define RX_STATE_0 (1<<2) /* PD received state bit 0 */
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#define RX_STATE_1 (1<<3) /* PD received state bit 1 */
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#define RX_STATE_2 (1<<4) /* PD received state bit 2 */
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#define DATA_FLAG (1<<5) /* Cache data valid flag bit */
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#define TX_BIT_BACK (1<<6) /* Indicates the current bit status of the BMC when sending the code */
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#define BMC_BYTE_HI (1<<7) /* Indicates the current half-byte status of the PD data being sent and received */
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/* USBPD->TX_SEL */
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#define TX_SEL1 (0<<0)
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#define TX_SEL1_SYNC1 (0<<0) /* 0-SYNC1 */
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#define TX_SEL1_RST1 (1<<0) /* 1-RST1 */
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#define TX_SEL2_Mask (3<<2)
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#define TX_SEL2_SYNC1 (0<<2) /* 00-SYNC1 */
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#define TX_SEL2_SYNC3 (1<<2) /* 01-SYNC3 */
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#define TX_SEL2_RST1 (2<<2) /* 1x-RST1 */
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#define TX_SEL3_Mask (3<<4)
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#define TX_SEL3_SYNC1 (0<<4) /* 00-SYNC1 */
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#define TX_SEL3_SYNC3 (1<<4) /* 01-SYNC3 */
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#define TX_SEL3_RST1 (2<<4) /* 1x-RST1 */
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#define TX_SEL4_Mask (3<<6)
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#define TX_SEL4_SYNC2 (0<<6) /* 00-SYNC2 */
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#define TX_SEL4_SYNC3 (1<<6) /* 01-SYNC3 */
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#define TX_SEL4_RST2 (2<<6) /* 1x-RST2 */
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/* USBPD->STATUS */
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#define BMC_AUX_Mask (3<<0) /* Clear BMC auxiliary information */
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#define BMC_AUX_INVALID (0<<0) /* 00-Invalid */
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#define BMC_AUX_SOP0 (1<<0) /* 01-SOP0 */
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#define BMC_AUX_SOP1_HRST (2<<0) /* 10-SOP1 hard reset */
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#define BMC_AUX_SOP2_CRST (3<<0) /* 11-SOP2 cable reset */
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#define BUF_ERR (1<<2) /* BUFFER or DMA error interrupt flag */
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#define IF_RX_BIT (1<<3) /* Receive bit or 5bit interrupt flag */
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#define IF_RX_BYTE (1<<4) /* Receive byte or SOP interrupt flag */
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#define IF_RX_ACT (1<<5) /* Receive completion interrupt flag */
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#define IF_RX_RESET (1<<6) /* Receive reset interrupt flag */
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#define IF_TX_END (1<<7) /* Transfer completion interrupt flag */
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/* USBPD->PORT_CC1 */
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/* USBPD->PORT_CC2 */
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#define PA_CC_AI (1<<0) /* CC port comparator analogue input */
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#define CC_PD (1<<1) /* CC port pull-down resistor enable */
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#define CC_PU_Mask (3<<2) /* Clear CC port pull-up current */
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#define CC_NO_PU (0<<2) /* 00-Prohibit pull-up current */
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#define CC_PU_330 (1<<2) /* 01-330uA */
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#define CC_PU_180 (2<<2) /* 10-180uA */
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#define CC_PU_80 (3<<2) /* 11-80uA */
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#define CC_LVE (1<<4) /* CC port output low voltage enable */
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#define CC_CMP_Mask (7<<5) /* Clear CC_CMP*/
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#define CC_NO_CMP (0<<5) /* 000-closed */
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#define CC_CMP_22 (2<<5) /* 010-0.22V */
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#define CC_CMP_45 (3<<5) /* 011-0.45V */
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#define CC_CMP_55 (4<<5) /* 100-0.55V */
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#define CC_CMP_66 (5<<5) /* 101-0.66V */
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#define CC_CMP_95 (6<<5) /* 110-0.95V */
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#define CC_CMP_123 (7<<5) /* 111-1.23V */
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#define USBPD_IN_HVT (1<<9)
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/*********************************************************
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* PD pin PC14/PC15 high threshold input mode:
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* 1-High threshold input (2.2V typical), to reduce the I/O power consumption during PD communication
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* 0-Normal GPIO threshold input
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* *******************************************************/
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#define USBPD_PHY_V33 (1<<8)
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/**********************************************************
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* PD transceiver PHY pull-up limit configuration bits:
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* 1-Direct use of VDD for GPIO applications or PD applications with VDD voltage of 3.3V
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* 0-LDO buck enabled, limited to approx 3.3V, for PD applications with VDD more than 4V
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* ********************************************************/
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/* Control Message Types */
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#define DEF_TYPE_RESERVED 0x00
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#define DEF_TYPE_GOODCRC 0x01 /* Send By: Source,Sink,Cable Plug */
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#define DEF_TYPE_GOTOMIN 0x02 /* Send By: Source */
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#define DEF_TYPE_ACCEPT 0x03 /* Send By: Source,Sink,Cable Plug */
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#define DEF_TYPE_REJECT 0x04 /* Send By: Source,Sink,Cable Plug */
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#define DEF_TYPE_PING 0x05 /* Send By: Source */
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#define DEF_TYPE_PS_RDY 0x06 /* Send By: Source,Sink */
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#define DEF_TYPE_GET_SRC_CAP 0x07 /* Send By: Sink,DRP */
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#define DEF_TYPE_GET_SNK_CAP 0x08 /* Send By: Source,DRP */
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#define DEF_TYPE_DR_SWAP 0x09 /* Send By: Source,Sink */
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#define DEF_TYPE_PR_SWAP 0x0A /* Send By: Source,Sink */
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#define DEF_TYPE_VCONN_SWAP 0x0B /* Send By: Source,Sink */
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#define DEF_TYPE_WAIT 0x0C /* Send By: Source,Sink */
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#define DEF_TYPE_SOFT_RESET 0x0D /* Send By: Source,Sink */
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#define DEF_TYPE_DATA_RESET 0x0E /* Send By: Source,Sink */
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#define DEF_TYPE_DATA_RESET_CMP 0x0F /* Send By: Source,Sink */
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#define DEF_TYPE_NOT_SUPPORT 0x10 /* Send By: Source,Sink,Cable Plug */
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#define DEF_TYPE_GET_SRC_CAP_EX 0x11 /* Send By: Sink,DRP */
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#define DEF_TYPE_GET_STATUS 0x12 /* Send By: Source,Sink */
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#define DEF_TYPE_GET_STATUS_R 0X02 /* ext=1 */
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#define DEF_TYPE_FR_SWAP 0x13 /* Send By: Sink */
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#define DEF_TYPE_GET_PPS_STATUS 0x14 /* Send By: Sink */
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#define DEF_TYPE_GET_CTY_CODES 0x15 /* Send By: Source,Sink */
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#define DEF_TYPE_GET_SNK_CAP_EX 0x16 /* Send By: Source,DRP */
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#define DEF_TYPE_GET_SRC_INFO 0x17 /* Send By: Sink,DRP */
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#define DEF_TYPE_GET_REVISION 0x18 /* Send By: Source,Sink */
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/* Data Message Types */
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#define DEF_TYPE_SRC_CAP 0x01 /* Send By: Source,Dual-Role Power */
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#define DEF_TYPE_REQUEST 0x02 /* Send By: Sink */
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#define DEF_TYPE_BIST 0x03 /* Send By: Tester,Source,Sink */
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#define DEF_TYPE_SNK_CAP 0x04 /* Send By: Sink,Dual-Role Power */
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#define DEF_TYPE_BAT_STATUS 0x05 /* Send By: Source,Sink */
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#define DEF_TYPE_ALERT 0x06 /* Send By: Source,Sink */
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#define DEF_TYPE_GET_CTY_INFO 0x07 /* Send By: Source,Sink */
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#define DEF_TYPE_ENTER_USB 0x08 /* Send By: DFP */
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#define DEF_TYPE_EPR_REQUEST 0x09 /* Send By: Sink */
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#define DEF_TYPE_EPR_MODE 0x0A /* Send By: Source,Sink */
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#define DEF_TYPE_SRC_INFO 0x0B /* Send By: Source */
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#define DEF_TYPE_REVISION 0x0C /* Send By: Source,Sink,Cable Plug */
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#define DEF_TYPE_VENDOR_DEFINED 0x0F /* Send By: Source,Sink,Cable Plug */
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/* Vendor Define Message Command */
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#define DEF_VDM_DISC_IDENT 0x01
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#define DEF_VDM_DISC_SVID 0x02
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#define DEF_VDM_DISC_MODE 0x03
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#define DEF_VDM_ENTER_MODE 0x04
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#define DEF_VDM_EXIT_MODE 0x05
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#define DEF_VDM_ATTENTION 0x06
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#define DEF_VDM_DP_S_UPDATE 0x10
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#define DEF_VDM_DP_CONFIG 0x11
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/* PD Revision */
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#define DEF_PD_REVISION_10 0x00
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#define DEF_PD_REVISION_20 0x01
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#define DEF_PD_REVISION_30 0x02
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/* PD PHY Channel */
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#define DEF_PD_CC1 0x00
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#define DEF_PD_CC2 0x01
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#define PIN_CC1 GPIO_Pin_14
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#define PIN_CC2 GPIO_Pin_15
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/* PD Tx Status */
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#define DEF_PD_TX_OK 0x00
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#define DEF_PD_TX_FAIL 0x01
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/* PDO INDEX */
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#define PDO_INDEX_1 1
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#define PDO_INDEX_2 2
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#define PDO_INDEX_3 3
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#define PDO_INDEX_4 4
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#define PDO_INDEX_5 5
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/******************************************************************************/
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#define UPD_TMR_TX_48M (80-1) /* timer value for USB PD BMC transmittal @Fsys=48MHz */
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#define UPD_TMR_RX_48M (120-1) /* timer value for USB PD BMC receiving @Fsys=48MHz */
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#define UPD_TMR_TX_24M (40-1) /* timer value for USB PD BMC transmittal @Fsys=24MHz */
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#define UPD_TMR_RX_24M (60-1) /* timer value for USB PD BMC receiving @Fsys=24MHz */
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#define UPD_TMR_TX_12M (20-1) /* timer value for USB PD BMC transmittal @Fsys=12MHz */
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#define UPD_TMR_RX_12M (30-1) /* timer value for USB PD BMC receiving @Fsys=12MHz */
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#define MASK_PD_STAT 0x03 /* Bit mask for current PD status */
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#define PD_RX_SOP0 0x01 /* SOP0 received */
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#define PD_RX_SOP1_HRST 0x02 /* SOP1 or Hard Reset received */
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#define PD_RX_SOP2_CRST 0x03 /* SOP2 or Cable Reset received */
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#define UPD_SOP0 ( TX_SEL1_SYNC1 | TX_SEL2_SYNC1 | TX_SEL3_SYNC1 | TX_SEL4_SYNC2 ) /* SOP1 */
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#define UPD_SOP1 ( TX_SEL1_SYNC1 | TX_SEL2_SYNC1 | TX_SEL3_SYNC3 | TX_SEL4_SYNC3 ) /* SOP2 */
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#define UPD_SOP2 ( TX_SEL1_SYNC1 | TX_SEL2_SYNC3 | TX_SEL3_SYNC1 | TX_SEL4_SYNC3 ) /* SOP3 */
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#define UPD_HARD_RESET ( TX_SEL1_RST1 | TX_SEL2_RST1 | TX_SEL3_RST1 | TX_SEL4_RST2 ) /* Hard Reset*/
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#define UPD_CABLE_RESET ( TX_SEL1_RST1 | TX_SEL2_SYNC1 | TX_SEL3_RST1 | TX_SEL4_SYNC3 ) /* Cable Reset*/
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#define bCC_CMP_22 0X01
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#define bCC_CMP_45 0X02
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#define bCC_CMP_55 0X04
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#define bCC_CMP_66 0X08
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#define bCC_CMP_95 0X10
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#define bCC_CMP_123 0X20
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#define bCC_CMP_220 0X40
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/******************************************************************************/
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/* PD State Machine */
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typedef enum
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{
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STA_IDLE = 0, /* 0: No task status */
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STA_DISCONNECT, /* 1: Disconnection */
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STA_SRC_CONNECT, /* 2: SRC connect */
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STA_RX_SRC_CAP_WAIT, /* 3: Waiting to receive SRC_CAP */
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STA_RX_SRC_CAP, /* 4: SRC_CAP received */
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STA_TX_REQ, /* 5: Send REQUEST */
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STA_RX_ACCEPT_WAIT, /* 6: Waiting to receive ACCEPT */
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STA_RX_ACCEPT, /* 7: ACCEPT received */
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STA_RX_REJECT, /* 8: REJECT received */
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STA_RX_PS_RDY_WAIT, /* 9: Waiting to receive PS_RDY */
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STA_RX_PS_RDY, /* 10: PS_RDY received */
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STA_SINK_CONNECT, /* 11: SNK access */
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STA_TX_SRC_CAP, /* 12: Send SRC_CAP */
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STA_RX_REQ_WAIT, /* 13: Waiting to receive REQUEST */
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STA_RX_REQ, /* 14: REQUEST received */
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STA_TX_ACCEPT, /* 15: Send ACCEPT */
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STA_TX_REJECT, /* 16: Send REJECT */
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STA_ADJ_VOL, /* 17: Adjustment of output voltage and current */
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STA_TX_PS_RDY, /* 18: Send PS_RDY */
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STA_TX_DR_SWAP, /* 19: Send DR_SWAP */
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STA_RX_DR_SWAP_ACCEPT, /* 20: Waiting to receive the answer ACCEPT from DR_SWAP */
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STA_TX_PR_SWAP, /* 21: Send PR_SWAP */
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STA_RX_PR_SWAP_ACCEPT, /* 22: Waiting to receive the answer ACCEPT from PR_SWAP */
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STA_RX_PR_SWAP_PS_RDY, /* 23: Waiting to receive the answer PS_RDY from PR_SWAP */
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STA_TX_PR_SWAP_PS_RDY, /* 24: Send answer PS_RDY for PR_SWAP */
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STA_PR_SWAP_RECON_WAIT, /* 25: Wait for PR_SWAP before reconnecting */
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STA_SRC_RECON_WAIT, /* 26: Waiting for SRC to reconnect */
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STA_SINK_RECON_WAIT, /* 27: Waiting for SNK to reconnect */
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STA_RX_APD_PS_RDY_WAIT, /* 28: Waiting for PS_RDY from the receiving adapter */
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STA_RX_APD_PS_RDY, /* 29: PS_RDY received from the adapter */
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STA_MODE_SWITCH, /* 30: Mode switching */
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STA_TX_SOFTRST, /* 31: Sending a software reset */
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STA_TX_HRST, /* 32: Send hardware reset */
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STA_PHY_RST, /* 33: PHY reset */
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STA_APD_IDLE_WAIT, /* 34: Waiting for the adapter to become idle */
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} CC_STATUS;
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/******************************************************************************/
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/* PD Message Header Struct */
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typedef union
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{
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struct _Message_Header
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{
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UINT8 MsgType: 5; /* Message Type */
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UINT8 PDRole: 1; /* 0-UFP; 1-DFP */
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UINT8 SpecRev: 2; /* 00-Rev1.0; 01-Rev2.0; 10-Rev3.0; */
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UINT8 PRRole: 1; /* 0-Sink; 1-Source */
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UINT8 MsgID: 3;
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UINT8 NumDO: 3;
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UINT8 Ext: 1;
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}Message_Header;
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UINT16 Data;
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}_Message_Header;
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/******************************************************************************/
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/* Bit definition */
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typedef union
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{
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struct _BITS_
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{
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UINT8 Msg_Recvd: 1; /* Notify the main program of the receipt of a PD packet */
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UINT8 Connected: 1; /* PD Physical Layer Connected Flag */
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UINT8 Stop_Det_Chk: 1; /* 0-Enable detection; 1-Disable disconnection detection */
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UINT8 PD_Role: 1; /* 0-UFP; 1-DFP */
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UINT8 PR_Role: 1; /* 0-Sink; 1-Source */
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UINT8 Auto_Ack_PRRole: 1; /* Role used by auto-responder 0:SINK; 1:SOURCE */
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UINT8 PD_Version: 1; /* PD version 0-PD2.0; 1-PD3.0 */
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UINT8 VDM_Version: 1; /* VDM Version 0-1.0 1-2.0 */
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UINT8 HPD_Connected: 1; /* HPD Physical Layer Connected Flag */
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UINT8 HPD_Det_Chk: 1; /* 0-turn off HPD connection detection; 1-turn on HPD connection detection */
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UINT8 CC_Sel_En: 1; /* 0-CC channel selection toggle enable; 1-CC channel selection toggle disable */
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UINT8 CC_Sel_State: 1; /* 0-CC channel selection switches to 0; 1-CC channel selection switches to 1 */
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UINT8 PD_Comm_Succ: 1; /* 0-PD communication unsuccessful; 1-PD communication successful; */
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UINT8 Recv: 3;
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}Bit;
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UINT16 Bit_Flag;
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}_BIT_FLAG;
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/* PD control-related structures */
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typedef struct _PD_CONTROL
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{
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CC_STATUS PD_State; /* PD communication status machine */
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CC_STATUS PD_State_Last; /* PD communication status machine (last value) */
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UINT8 Msg_ID; /* ID of the message sent */
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UINT8 Det_Timer; /* PD connection status detection timing */
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UINT8 Det_Cnt; /* Number of PD connection status detections */
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UINT8 Det_Sel_Cnt; /* Number of SEL toggles for PD connection status detection */
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UINT8 HPD_Det_Timer; /* HPD connection detection timing */
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UINT8 HPD_Det_Cnt; /* HPD pin connection status detection count */
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UINT16 PD_Comm_Timer; /* PD shared timing variables */
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UINT8 ReqPDO_Idx; /* Index of the requested PDO, valid values 1-7 */
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UINT16 PD_BusIdle_Timer; /* Bus Idle Time Timer */
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UINT8 Mode_Try_Cnt; /* Number of retries for current mode, highest bit marks mode */
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UINT8 Err_Op_Cnt; /* Exception operation count */
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UINT8 Adapter_Idle_Cnt; /* Adapter communication idle timing */
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_BIT_FLAG Flag; /* Flag byte bit definition */
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}PD_CONTROL, *pPD_CONTROL;
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#ifdef __cplusplus
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}
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#endif
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#endif
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