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/*
* Copyright (c) 2020 AIIT XUOS Lab
* XiUOS is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
*/
/**
* @file connect_ch438.h
* @brief define aiit-arm32-board ch438 function and struct
* @version 1.0
* @author AIIT XUOS Lab
* @date 2021-04-25
*/
#ifndef CONNECT_CH438_H
#define CONNECT_CH438_H
#include <board.h>
#include <device.h>
#define CH438_BUFFSIZE 255
/******************************************************************************************/
/* chip definition */
/* CH438serial port0 register address */
#define REG_RBR0_ADDR 0x00 /* serial port0receive buffer register address */
#define REG_THR0_ADDR 0x00 /* serial port0send hold register address */
#define REG_IER0_ADDR 0x01 /* serial port0interrupt enable register address */
#define REG_IIR0_ADDR 0x02 /* serial port0interrupt identifies register address */
#define REG_FCR0_ADDR 0x02 /* serial port0FIFO controls register address */
#define REG_LCR0_ADDR 0x03 /* serial port0circuit control register address */
#define REG_MCR0_ADDR 0x04 /* serial port0MODEM controls register address */
#define REG_LSR0_ADDR 0x05 /* serial port0line status register address */
#define REG_MSR0_ADDR 0x06 /* serial port0address of MODEM status register */
#define REG_SCR0_ADDR 0x07 /* serial port0the user can define the register address */
#define REG_DLL0_ADDR 0x00 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM0_ADDR 0x01 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port1 register address */
#define REG_RBR1_ADDR 0x10 /* serial port1receive buffer register address */
#define REG_THR1_ADDR 0x10 /* serial port1send hold register address */
#define REG_IER1_ADDR 0x11 /* serial port1interrupt enable register address */
#define REG_IIR1_ADDR 0x12 /* serial port1interrupt identifies register address */
#define REG_FCR1_ADDR 0x12 /* serial port1FIFO controls register address */
#define REG_LCR1_ADDR 0x13 /* serial port1circuit control register address */
#define REG_MCR1_ADDR 0x14 /* serial port1MODEM controls register address */
#define REG_LSR1_ADDR 0x15 /* serial port1line status register address */
#define REG_MSR1_ADDR 0x16 /* serial port1address of MODEM status register */
#define REG_SCR1_ADDR 0x17 /* serial port1the user can define the register address */
#define REG_DLL1_ADDR 0x10 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM1_ADDR 0x11 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port2 register address */
#define REG_RBR2_ADDR 0x20 /* serial port2receive buffer register address */
#define REG_THR2_ADDR 0x20 /* serial port2send hold register address */
#define REG_IER2_ADDR 0x21 /* serial port2interrupt enable register address */
#define REG_IIR2_ADDR 0x22 /* serial port2interrupt identifies register address */
#define REG_FCR2_ADDR 0x22 /* serial port2FIFO controls register address */
#define REG_LCR2_ADDR 0x23 /* serial port2circuit control register address */
#define REG_MCR2_ADDR 0x24 /* serial port2MODEM controls register address */
#define REG_LSR2_ADDR 0x25 /* serial port2line status register address */
#define REG_MSR2_ADDR 0x26 /* serial port2address of MODEM status register */
#define REG_SCR2_ADDR 0x27 /* serial port2the user can define the register address */
#define REG_DLL2_ADDR 0x20 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM2_ADDR 0x21 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port3 register address */
#define REG_RBR3_ADDR 0x30 /* serial port3receive buffer register address */
#define REG_THR3_ADDR 0x30 /* serial port3send hold register address */
#define REG_IER3_ADDR 0x31 /* serial port3interrupt enable register address */
#define REG_IIR3_ADDR 0x32 /* serial port3interrupt identifies register address */
#define REG_FCR3_ADDR 0x32 /* serial port3FIFO controls register address */
#define REG_LCR3_ADDR 0x33 /* serial port3circuit control register address */
#define REG_MCR3_ADDR 0x34 /* serial port3MODEM controls register address */
#define REG_LSR3_ADDR 0x35 /* serial port3line status register address */
#define REG_MSR3_ADDR 0x36 /* serial port3address of MODEM status register */
#define REG_SCR3_ADDR 0x37 /* serial port3the user can define the register address */
#define REG_DLL3_ADDR 0x30 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM3_ADDR 0x31 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port4 register address */
#define REG_RBR4_ADDR 0x08 /* serial port4receive buffer register address */
#define REG_THR4_ADDR 0x08 /* serial port4send hold register address */
#define REG_IER4_ADDR 0x09 /* serial port4interrupt enable register address */
#define REG_IIR4_ADDR 0x0A /* serial port4interrupt identifies register address */
#define REG_FCR4_ADDR 0x0A /* serial port4FIFO controls register address */
#define REG_LCR4_ADDR 0x0B /* serial port4circuit control register address */
#define REG_MCR4_ADDR 0x0C /* serial port4MODEM controls register address */
#define REG_LSR4_ADDR 0x0D /* serial port4line status register address */
#define REG_MSR4_ADDR 0x0E /* serial port4address of MODEM status register */
#define REG_SCR4_ADDR 0x0F /* serial port4the user can define the register address */
#define REG_DLL4_ADDR 0x08 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM4_ADDR 0x09 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port5 register address */
#define REG_RBR5_ADDR 0x18 /* serial port5receive buffer register address */
#define REG_THR5_ADDR 0x18 /* serial port5send hold register address */
#define REG_IER5_ADDR 0x19 /* serial port5interrupt enable register address */
#define REG_IIR5_ADDR 0x1A /* serial port5interrupt identifies register address */
#define REG_FCR5_ADDR 0x1A /* serial port5FIFO controls register address */
#define REG_LCR5_ADDR 0x1B /* serial port5circuit control register address */
#define REG_MCR5_ADDR 0x1C /* serial port5MODEM controls register address */
#define REG_LSR5_ADDR 0x1D /* serial port5line status register address */
#define REG_MSR5_ADDR 0x1E /* serial port5address of MODEM status register */
#define REG_SCR5_ADDR 0x1F /* serial port5the user can define the register address */
#define REG_DLL5_ADDR 0x18 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM5_ADDR 0x19 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port6 register address */
#define REG_RBR6_ADDR 0x28 /* serial port6receive buffer register address */
#define REG_THR6_ADDR 0x28 /* serial port6send hold register address */
#define REG_IER6_ADDR 0x29 /* serial port6interrupt enable register address */
#define REG_IIR6_ADDR 0x2A /* serial port6interrupt identifies register address */
#define REG_FCR6_ADDR 0x2A /* serial port6FIFO controls register address */
#define REG_LCR6_ADDR 0x2B /* serial port6circuit control register address */
#define REG_MCR6_ADDR 0x2C /* serial port6MODEM controls register address */
#define REG_LSR6_ADDR 0x2D /* serial port6line status register address */
#define REG_MSR6_ADDR 0x2E /* serial port6address of MODEM status register */
#define REG_SCR6_ADDR 0x2F /* serial port6the user can define the register address */
#define REG_DLL6_ADDR 0x28 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM6_ADDR 0x29 /* Baud rate divisor latch high 8-bit byte address */
/* CH438serial port7 register address */
#define REG_RBR7_ADDR 0x38 /* serial port7receive buffer register address */
#define REG_THR7_ADDR 0x38 /* serial port7send hold register address */
#define REG_IER7_ADDR 0x39 /* serial port7interrupt enable register address */
#define REG_IIR7_ADDR 0x3A /* serial port7interrupt identifies register address */
#define REG_FCR7_ADDR 0x3A /* serial port7FIFO controls register address */
#define REG_LCR7_ADDR 0x3B /* serial port7circuit control register address */
#define REG_MCR7_ADDR 0x3C /* serial port7MODEM controls register address */
#define REG_LSR7_ADDR 0x3D /* serial port7line status register address */
#define REG_MSR7_ADDR 0x3E /* serial port7address of MODEM status register */
#define REG_SCR7_ADDR 0x3F /* serial port7the user can define the register address */
#define REG_DLL7_ADDR 0x38 /* Baud rate divisor latch low 8-bit byte address */
#define REG_DLM7_ADDR 0x39 /* Baud rate divisor latch high 8-bit byte address */
#define REG_SSR_ADDR 0x4F /* pecial status register address */
/* IER register bit */
#define BIT_IER_RESET 0x80 /* The bit is 1 soft reset serial port */
#define BIT_IER_LOWPOWER 0x40 /* The bit is 1 close serial port internal reference clock */
#define BIT_IER_SLP 0x20 /* serial port0 is SLP, 1 close clock vibrator */
#define BIT_IER1_CK2X 0x20 /* serial port1 is CK2X, 1 force the external clock signal after 2 times as internal reference clock */
#define BIT_IER_IEMODEM 0x08 /* The bit is 1 allows MODEM input status to interrupt */
#define BIT_IER_IELINES 0x04 /* The bit is 1 allow receiving line status to be interrupted */
#define BIT_IER_IETHRE 0x02 /* The bit is 1 allows the send hold register to break in mid-air */
#define BIT_IER_IERECV 0x01 /* The bit is 1 allows receiving data interrupts */
/* IIR register bit */
#define BIT_IIR_FIFOENS1 0x80
#define BIT_IIR_FIFOENS0 0x40 /* The two is 1 said use FIFO */
/* Interrupt type: 0001 has no interrupt, 0110 receiving line status is interrupted, 0100 receiving data can be interrupted,
1100 received data timeout interrupt, 0010THR register air interrupt, 0000MODEM input change interrupt */
#define BIT_IIR_IID3 0x08
#define BIT_IIR_IID2 0x04
#define BIT_IIR_IID1 0x02
#define BIT_IIR_NOINT 0x01
/* FCR register bit */
/* Trigger point: 00 corresponds to 1 byte, 01 corresponds to 16 bytes, 10 corresponds to 64 bytes, 11 corresponds to 112 bytes */
#define BIT_FCR_RECVTG1 0x80 /* Set the trigger point for FIFO interruption and automatic hardware flow control */
#define BIT_FCR_RECVTG0 0x40 /* Set the trigger point for FIFO interruption and automatic hardware flow control */
#define BIT_FCR_TFIFORST 0x04 /* The bit is 1 empty the data sent in FIFO */
#define BIT_FCR_RFIFORST 0x02 /* The bit is 1 empty the data sent in FIFO */
#define BIT_FCR_FIFOEN 0x01 /* The bit is 1 use FIFO, 0 disable FIFO */
/* LCR register bit */
#define BIT_LCR_DLAB 0x80 /* To access DLL, DLM, 0 to access RBR/THR/IER */
#define BIT_LCR_BREAKEN 0x40 /* 1 forces a BREAK line interval*/
/* Set the check format: when PAREN is 1, 00 odd check, 01 even check, 10 MARK (set 1), 11 blank (SPACE, clear 0) */
#define BIT_LCR_PARMODE1 0x20 /* Sets the parity bit format */
#define BIT_LCR_PARMODE0 0x10 /* Sets the parity bit format */
#define BIT_LCR_PAREN 0x08 /* A value of 1 allows you to generate and receive parity bits when sending */
#define BIT_LCR_STOPBIT 0x04 /* If is 1, then two stop bits, is 0, a stop bit */
/* Set word length: 00 for 5 data bits, 01 for 6 data bits, 10 for 7 data bits and 11 for 8 data bits */
#define BIT_LCR_WORDSZ1 0x02 /* Set the word length length */
#define BIT_LCR_WORDSZ0 0x01
/* MCR register bit */
#define BIT_MCR_AFE 0x20 /* For 1 allows automatic flow control of CTS and RTS hardware */
#define BIT_MCR_LOOP 0x10 /* Is the test mode of 1 enabling internal loop */
#define BIT_MCR_OUT2 0x08 /* 1 Allows an interrupt request for the serial port output */
#define BIT_MCR_OUT1 0x04 /* The MODEM control bit defined for the user */
#define BIT_MCR_RTS 0x02 /* The bit is 1 RTS pin output effective */
#define BIT_MCR_DTR 0x01 /* The bit is 1 DTR pin output effective */
/* LSR register bit */
#define BIT_LSR_RFIFOERR 0x80 /* 1 said There is at least one error in receiving FIFO */
#define BIT_LSR_TEMT 0x40 /* 1 said THR and TSR are empty */
#define BIT_LSR_THRE 0x20 /* 1 said THR is empty*/
#define BIT_LSR_BREAKINT 0x10 /* The bit is 1 said the BREAK line interval was detected*/
#define BIT_LSR_FRAMEERR 0x08 /* The bit is 1 said error reading data frame */
#define BIT_LSR_PARERR 0x04 /* The bit is 1 said parity error */
#define BIT_LSR_OVERR 0x02 /* 1 said receive FIFO buffer overflow */
#define BIT_LSR_DATARDY 0x01 /* The bit is 1 said receive data received in FIFO */
/* MSR register bit */
#define BIT_MSR_DCD 0x80 /* The bit is 1 said DCD pin effective */
#define BIT_MSR_RI 0x40 /* The bit is 1 said RI pin effective */
#define BIT_MSR_DSR 0x20 /* The bit is 1 said DSR pin effective */
#define BIT_MSR_CTS 0x10 /* The bit is 1 said CTS pin effective */
#define BIT_MSR_DDCD 0x08 /* The bit is 1 said DCD pin The input state has changed */
#define BIT_MSR_TERI 0x04 /* The bit is 1 said RI pin The input state has changed */
#define BIT_MSR_DDSR 0x02 /* The bit is 1 said DSR pin The input state has changed */
#define BIT_MSR_DCTS 0x01 /* The bit is 1 said CTS pin The input state has changed */
/* Interrupt status code */
#define INT_NOINT 0x01 /* There is no interruption */
#define INT_THR_EMPTY 0x02 /* THR empty interruption */
#define INT_RCV_OVERTIME 0x0C /* Receive timeout interrupt */
#define INT_RCV_SUCCESS 0x04 /* Interrupts are available to receive data */
#define INT_RCV_LINES 0x06 /* Receiving line status interrupted */
#define INT_MODEM_CHANGE 0x00 /* MODEM input changes interrupt */
#define CH438_IIR_FIFOS_ENABLED 0xC0 /* use FIFO */
#define Fpclk 1843200 /* Define the internal clock frequency */
#if 0
#define CH438_D0_PIN GET_PIN(E,2)
#define CH438_D1_PIN GET_PIN(E,3)
#define CH438_D2_PIN GET_PIN(E,4)
#define CH438_D3_PIN GET_PIN(E,5)
#define CH438_D4_PIN GET_PIN(E,6)
#define CH438_D5_PIN GET_PIN(F,6)
#define CH438_D6_PIN GET_PIN(F,7)
#define CH438_D7_PIN GET_PIN(F,8)
#define CH438_NWR_PIN GET_PIN(C,4)
#define CH438_NRD_PIN GET_PIN(C,5)
#define CH438_NCS_PIN GET_PIN(B,1)
#define CH438_ALE_PIN GET_PIN(B,2)
#define CH438_INT_PIN GET_PIN(C,13)
#endif
#define CH438_D0_PIN 1
#define CH438_D1_PIN 2
#define CH438_D2_PIN 3
#define CH438_D3_PIN 4
#define CH438_D4_PIN 5
#define CH438_D5_PIN 18
#define CH438_D6_PIN 19
#define CH438_D7_PIN 20
#define CH438_NWR_PIN 44
#define CH438_NRD_PIN 45
#define CH438_NCS_PIN 47
#define CH438_ALE_PIN 48
#define CH438_INT_PIN 7
#define DIR_485CH1_PIN 22 //485ch1 = ext_uart3
#define DIR_485CH2_PIN 21 //485ch2 = ext_uart2
#define DIR_485CH3_PIN 123 //485ch3 = ext_uart7
void CH438RegTest(unsigned char num);
void Set485Input(uint8 ch_no);
void Set485Output(uint8 ch_no);
#endif