158 lines
5.5 KiB
C
158 lines
5.5 KiB
C
// Copyright 2021 IOsetting <iosetting(at)outlook.com>
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef ___FW_UART_H___
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#define ___FW_UART_H___
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#include "fw_conf.h"
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#include "fw_types.h"
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#include "fw_exti.h"
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#define UART_RX_BUFF_SIZE 0x20
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extern __CODE char HEX_TABLE[16];
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int16_t UART_Timer_InitValueCalculate(uint32_t sysclk, HAL_State_t _1TMode, uint32_t baudrate);
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/**************************************************************************** /
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* UART1
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*/
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typedef enum
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{
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UART1_BaudSource_Timer1 = 0x00,
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UART1_BaudSource_Timer2 = 0x01,
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} UART1_BaudSource_t;
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/**
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* Alternative ports
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*
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* The ports for STC8G1K08-8Pin and STC8G1K08A are different:
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* 00 - P3.0 P3.1, 01 - P3.2 P3.3, 10 - P5.4 P5.5, 11 - n/a
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*/
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typedef enum
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{
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UART1_AlterPort_P30_P31 = 0x00,
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UART1_AlterPort_P36_P37 = 0x01,
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UART1_AlterPort_P16_P17 = 0x10,
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UART1_AlterPort_P43_P44 = 0x11,
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} UART1_AlterPort_t;
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#define UART1_SetRxState(__STATE__) SBIT_ASSIGN(REN, __STATE__)
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#define UART1_ClearTxInterrupt() SBIT_RESET(TI)
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#define UART1_ClearRxInterrupt() SBIT_RESET(RI)
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#define UART1_WriteBuffer(__DATA__) (SBUF = (__DATA__))
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#define UART1_SetFrameErrDetect(__STATE__) SFR_ASSIGN(PCON, 6, __STATE__)
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#define UART1_SetBaudSource(__BAUD_SRC__) SFR_ASSIGN(AUXR, 0, __BAUD_SRC__)
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/**
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* Mode0: Synchronous shift serial mode, baudrate is fixed, provided by SYSCLK
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* Baud = (UART_M0x6 = 0)? (SYSCLK/12) : (SYSCLK/2)
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*/
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#define UART1_ConfigMode0FixedSyncSerial(__STATE__) do{ SM0=0; SM1=0; SFR_ASSIGN(AUXR, 5, __STATE__);}while(0)
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#define UART1_SetMode0Baudx6(__STATE__) SFR_ASSIGN(AUXR, 5, __STATE__)
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/**
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* Mode2: 9-bit UART mode, baudrate is fixed, provided by SYSCLK
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* Baud = (SMOD = 0)? (SYSCLK/64) : (SYSCLK/32)
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*/
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#define UART1_ConfigMode2Fixed9bitUart(__STATE__) do{ SM0=1; SM1=0; SFR_ASSIGN(PCON, 7, __STATE__);}while(0)
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#define UART1_SetTimer1Mode2Baudx2(__STATE__) SFR_ASSIGN(PCON, 7, __STATE__)
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/**
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* Alternative port selection: P30/P31, P36/P37, P16/P17, P43/P44
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*/
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#define UART1_SwitchPort(__ALTER_PORT__) (P_SW1 = P_SW1 & ~(0x03 << 6) | ((__ALTER_PORT__) << 6))
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/**
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* Mode1: 8-bit UART, dynamic baud-rate, provided by Timer1 or Timer2
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*/
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void UART1_Config8bitUart(UART1_BaudSource_t baudSource, HAL_State_t _1TMode, uint32_t baudrate);
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/**
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* Mode3: 9-bit UART, dynamic baud-rate, provided by Timer1 or Timer2
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*/
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void UART1_Config9bitUart(UART1_BaudSource_t baudSource, HAL_State_t _1TMode, uint32_t baudrate);
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void UART1_InterruptHandler(void);
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void UART1_IntTxChar(char dat);
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void UART1_IntTxHex(uint8_t hex);
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void UART1_IntTxString(uint8_t *str);
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/**
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* FIXME: If place this in first with following TXString(), sending may not work. didn't find the reason
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*/
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void UART1_TxChar(char dat);
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void UART1_TxHex(uint8_t hex);
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void UART1_TxString(uint8_t *str);
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/**************************************************************************** /
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* UART2
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*/
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#define UART2_SetRxState(__STATE__) SFR_ASSIGN(S2CON, 4, __STATE__)
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#define UART2_ClearTxInterrupt() SFR_RESET(S2CON, 1)
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#define UART2_ClearRxInterrupt() SFR_RESET(S2CON, 0)
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#define UART2_WriteBuffer(__DATA__) (S2BUF = (__DATA__))
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#define UART2_TxFinished() (S2CON & (0x01 << 1))
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#define UART2_Set8bitUART() SFR_RESET(S2CON, 7)
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#define UART2_Set9bitUART() SFR_SET(S2CON, 7)
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/**
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* Dynamic baud-rate, provided by Timer2
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*/
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void UART2_Config(HAL_State_t _1TMode, uint32_t baudrate);
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void UART2_TxChar(char dat);
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void UART2_TxHex(uint8_t hex);
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void UART2_TxString(uint8_t *str);
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/**************************************************************************** /
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* UART3
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*/
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#define UART3_SetBaudSource(__BAUD_SRC__) SFR_ASSIGN(S3CON, 6, __BAUD_SRC__)
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#define UART3_SetRxState(__STATE__) SFR_ASSIGN(S3CON, 4, __STATE__)
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#define UART3_Set8bitUART() SFR_RESET(S3CON, 7)
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#define UART3_Set9bitUART() SFR_SET(S3CON, 7)
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#define UART3_ClearTxInterrupt() SFR_RESET(S3CON, 1)
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#define UART3_ClearRxInterrupt() SFR_RESET(S3CON, 0)
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#define UART3_WriteBuffer(__DATA__) (S3BUF = (__DATA__))
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/**
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* dynamic baud-rate from timer2 or timer3
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*/
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void UART3_ConfigOnTimer2(HAL_State_t _1TMode, uint32_t baudrate);
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void UART3_ConfigOnTimer3(HAL_State_t _1TMode, uint32_t baudrate);
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/**************************************************************************** /
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* UART4
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*/
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#define UART4_SetBaudSource(__BAUD_SRC__) SFR_ASSIGN(S4CON, 6, __BAUD_SRC__)
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#define UART4_SetRxState(__STATE__) SFR_ASSIGN(S4CON, 4, __STATE__)
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#define UART4_Set8bitUART() SFR_RESET(S4CON, 7)
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#define UART4_Set9bitUART() SFR_SET(S4CON, 7)
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#define UART4_ClearTxInterrupt() SFR_RESET(S4CON, 1)
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#define UART4_ClearRxInterrupt() SFR_RESET(S4CON, 0)
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#define UART4_WriteBuffer(__DATA__) (S4BUF = (__DATA__))
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/**
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* dynamic baud-rate from timer2 or timer4
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*/
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void UART4_ConfigOnTimer2(HAL_State_t _1TMode, uint32_t baudrate);
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void UART4_ConfigOnTimer4(HAL_State_t _1TMode, uint32_t baudrate);
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#endif |