99 lines
3.4 KiB
C
99 lines
3.4 KiB
C
// Copyright 2021 IOsetting <iosetting@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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/***************************** /
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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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#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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* Mode1: 8-bit UART, dynamic baud-rate, provided by Timer1 or Timer2
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*/
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void UART1_ConfigMode1Dyn8bitUart(
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UART1_BaudSource_t baudSource, HAL_State_t freq1t, uint32_t baudrate, HAL_State_t enableInterrupt);
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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_ConfigMode3Dyn9bitUart(
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UART1_BaudSource_t baudSource, HAL_State_t freq1t, uint32_t baudrate, HAL_State_t enableInterrupt);
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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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/**
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* Mode0: 8-bit UART, dynamic baud-rate, provided by Timer2
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*/
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void UART2_ConfigMode0Dyn8bitUart(
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HAL_State_t freq1t, uint32_t baudrate, HAL_State_t enableInterrupt);
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/**
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* Mode1: 9-bit UART, dynamic baud-rate, provided by Timer2
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*/
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void UART2_ConfigMode1Dyn9bitUart(
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HAL_State_t freq1t, uint32_t baudrate, HAL_State_t enableInterrupt);
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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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#endif |