Mark Chen / NU480_UART_9BIT

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UART9BIT.CPP@8:716d4274f7b7, 2019-08-26 (annotated)

Committer:
mark.chen@ebn.com.tw
Date:
Mon Aug 26 13:33:10 2019 +0800
Revision:
8:716d4274f7b7
Parent:
7:af4ceb878eee
Child:
9:bd6af3d4c651
Update 20190826

Who changed what in which revision?

UserRevisionLine numberNew contents of line
MarkChen 0:f0f0961f1727 1 /* mbed Microcontroller Library
MarkChen 0:f0f0961f1727 2 * Copyright (c) 2015-2016 Nuvoton
MarkChen 0:f0f0961f1727 3 *
MarkChen 0:f0f0961f1727 4 * Licensed under the Apache License, Version 2.0 (the "License");
MarkChen 0:f0f0961f1727 5 * you may not use this file except in compliance with the License.
MarkChen 0:f0f0961f1727 6 * You may obtain a copy of the License at
MarkChen 0:f0f0961f1727 7 *
MarkChen 0:f0f0961f1727 8 * http://www.apache.org/licenses/LICENSE-2.0
MarkChen 0:f0f0961f1727 9 *
MarkChen 0:f0f0961f1727 10 * Unless required by applicable law or agreed to in writing, software
MarkChen 0:f0f0961f1727 11 * distributed under the License is distributed on an "AS IS" BASIS,
MarkChen 0:f0f0961f1727 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
MarkChen 0:f0f0961f1727 13 * See the License for the specific language governing permissions and
MarkChen 0:f0f0961f1727 14 * limitations under the License.
MarkChen 0:f0f0961f1727 15 */
mark.chen@ebn.com.tw 7:af4ceb878eee 16
mark.chen@ebn.com.tw 7:af4ceb878eee 17
mark.chen@ebn.com.tw 1:9d4632d0b16f 18 #include "UART9BIT.h"
mark.chen@ebn.com.tw 6:64f5dad70ee2 19 #include "serial_api9bit.h"
mark.chen@ebn.com.tw 1:9d4632d0b16f 20
mark.chen@ebn.com.tw 1:9d4632d0b16f 21
mark.chen@ebn.com.tw 8:716d4274f7b7 22 UART9BIT::UART9BIT(PinName tx, PinName rx, int baud,bool en9bit) :_thunk9_irq(this), Serial( tx, rx, baud)
mark.chen@ebn.com.tw 1:9d4632d0b16f 23 {
mark.chen@ebn.com.tw 1:9d4632d0b16f 24 Enable9Bit=en9bit;
mark.chen@ebn.com.tw 6:64f5dad70ee2 25 if(en9bit)
mark.chen@ebn.com.tw 6:64f5dad70ee2 26 format(9,UART9BIT::None,1);
mark.chen@ebn.com.tw 6:64f5dad70ee2 27 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 28
mark.chen@ebn.com.tw 6:64f5dad70ee2 29 void UART9BIT::format(int bits, Parity parity, int stop_bits)
mark.chen@ebn.com.tw 6:64f5dad70ee2 30 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 31 lock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 32 serial_format_9bit(&_serial, bits, (SerialParity)parity, stop_bits);
mark.chen@ebn.com.tw 6:64f5dad70ee2 33 unlock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 34 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 35
mark.chen@ebn.com.tw 6:64f5dad70ee2 36
mark.chen@ebn.com.tw 6:64f5dad70ee2 37 void UART9BIT::interrupt_handler_asynch(void)
mark.chen@ebn.com.tw 6:64f5dad70ee2 38 {
mark.chen@ebn.com.tw 7:af4ceb878eee 39 int event;
mark.chen@ebn.com.tw 6:64f5dad70ee2 40 int rx_event = event & SERIAL_EVENT_RX_MASK;
mark.chen@ebn.com.tw 7:af4ceb878eee 41
mark.chen@ebn.com.tw 7:af4ceb878eee 42 if(Enable9Bit)
mark.chen@ebn.com.tw 7:af4ceb878eee 43 event=serial_irq_handler_asynch9bit(&_serial);
mark.chen@ebn.com.tw 7:af4ceb878eee 44 else
mark.chen@ebn.com.tw 7:af4ceb878eee 45 event=serial_irq_handler_asynch(&_serial);
mark.chen@ebn.com.tw 7:af4ceb878eee 46
mark.chen@ebn.com.tw 6:64f5dad70ee2 47
mark.chen@ebn.com.tw 6:64f5dad70ee2 48 if (_rx_asynch_set && rx_event) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 49 event_callback_t cb = _rx_callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 50 _rx_asynch_set = false;
mark.chen@ebn.com.tw 6:64f5dad70ee2 51 _rx_callback = NULL;
mark.chen@ebn.com.tw 6:64f5dad70ee2 52 if (cb) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 53 cb.call(rx_event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 54 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 55 sleep_manager_unlock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 56 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 57
mark.chen@ebn.com.tw 6:64f5dad70ee2 58 int tx_event = event & SERIAL_EVENT_TX_MASK;
mark.chen@ebn.com.tw 6:64f5dad70ee2 59 if (_tx_asynch_set && tx_event) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 60 event_callback_t cb = _tx_callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 61 _tx_asynch_set = false;
mark.chen@ebn.com.tw 6:64f5dad70ee2 62 _tx_callback = NULL;
mark.chen@ebn.com.tw 6:64f5dad70ee2 63 if (cb) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 64 cb.call(tx_event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 65 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 66 sleep_manager_unlock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 67 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 68 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 69
mark.chen@ebn.com.tw 6:64f5dad70ee2 70 int UART9BIT::write(const uint16_t *buffer, int length, const event_callback_t &callback, int event)
mark.chen@ebn.com.tw 6:64f5dad70ee2 71 {
mark.chen@ebn.com.tw 8:716d4274f7b7 72 int result = 0;
mark.chen@ebn.com.tw 6:64f5dad70ee2 73 lock();
mark.chen@ebn.com.tw 8:716d4274f7b7 74
mark.chen@ebn.com.tw 6:64f5dad70ee2 75 if (!serial_tx_active(&_serial) && !_tx_asynch_set) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 76 start_write((void *)buffer, length, 16, callback, event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 77 } else {
mark.chen@ebn.com.tw 6:64f5dad70ee2 78 result = -1; // transaction ongoing
mark.chen@ebn.com.tw 6:64f5dad70ee2 79 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 80
mark.chen@ebn.com.tw 6:64f5dad70ee2 81
mark.chen@ebn.com.tw 6:64f5dad70ee2 82 unlock();
mark.chen@ebn.com.tw 8:716d4274f7b7 83
mark.chen@ebn.com.tw 6:64f5dad70ee2 84 return result;
mark.chen@ebn.com.tw 6:64f5dad70ee2 85 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 86
mark.chen@ebn.com.tw 6:64f5dad70ee2 87
mark.chen@ebn.com.tw 6:64f5dad70ee2 88 void UART9BIT::start_write(const void *buffer, int buffer_size, char buffer_width, const event_callback_t &callback, int event)
mark.chen@ebn.com.tw 6:64f5dad70ee2 89 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 90 _tx_asynch_set = true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 91 _tx_callback = callback;
mark.chen@ebn.com.tw 8:716d4274f7b7 92
mark.chen@ebn.com.tw 6:64f5dad70ee2 93 _thunk9_irq.callback(&UART9BIT::interrupt_handler_asynch);
mark.chen@ebn.com.tw 6:64f5dad70ee2 94
mark.chen@ebn.com.tw 6:64f5dad70ee2 95 sleep_manager_lock_deep_sleep();
mark.chen@ebn.com.tw 7:af4ceb878eee 96
mark.chen@ebn.com.tw 7:af4ceb878eee 97 if(Enable9Bit)
mark.chen@ebn.com.tw 7:af4ceb878eee 98 {
mark.chen@ebn.com.tw 7:af4ceb878eee 99 serial_tx_asynch9bit(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, _tx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 100 }
mark.chen@ebn.com.tw 7:af4ceb878eee 101 else
mark.chen@ebn.com.tw 7:af4ceb878eee 102 {
mark.chen@ebn.com.tw 7:af4ceb878eee 103 serial_tx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, _tx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 104 }
mark.chen@ebn.com.tw 7:af4ceb878eee 105
mark.chen@ebn.com.tw 6:64f5dad70ee2 106 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 107
mark.chen@ebn.com.tw 6:64f5dad70ee2 108
mark.chen@ebn.com.tw 6:64f5dad70ee2 109 void UART9BIT::start_read(void *buffer, int buffer_size, char buffer_width, const event_callback_t &callback, int event, unsigned char char_match)
mark.chen@ebn.com.tw 6:64f5dad70ee2 110 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 111 _rx_asynch_set = true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 112 _rx_callback = callback;
mark.chen@ebn.com.tw 7:af4ceb878eee 113
mark.chen@ebn.com.tw 7:af4ceb878eee 114
mark.chen@ebn.com.tw 6:64f5dad70ee2 115 _thunk9_irq.callback(&UART9BIT::interrupt_handler_asynch);
mark.chen@ebn.com.tw 6:64f5dad70ee2 116 sleep_manager_lock_deep_sleep();
mark.chen@ebn.com.tw 7:af4ceb878eee 117
mark.chen@ebn.com.tw 7:af4ceb878eee 118 if(Enable9Bit)
mark.chen@ebn.com.tw 7:af4ceb878eee 119 {
mark.chen@ebn.com.tw 7:af4ceb878eee 120 serial_rx_asynch9bit(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, char_match, _rx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 121 printf("serial_rx_asynch9bit \r\n");
mark.chen@ebn.com.tw 7:af4ceb878eee 122 }
mark.chen@ebn.com.tw 7:af4ceb878eee 123 else
mark.chen@ebn.com.tw 7:af4ceb878eee 124 {
mark.chen@ebn.com.tw 7:af4ceb878eee 125 serial_rx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, char_match, _rx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 126 }
mark.chen@ebn.com.tw 7:af4ceb878eee 127
mark.chen@ebn.com.tw 6:64f5dad70ee2 128 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 129
mark.chen@ebn.com.tw 8:716d4274f7b7 130 uint16_t UART9BIT::getu16()
mark.chen@ebn.com.tw 8:716d4274f7b7 131 {
mark.chen@ebn.com.tw 8:716d4274f7b7 132 return serial_getc_9bit(&_serial);
mark.chen@ebn.com.tw 8:716d4274f7b7 133 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 134
mark.chen@ebn.com.tw 6:64f5dad70ee2 135 int UART9BIT::read(uint16_t *buffer, int length, const event_callback_t &callback, int event, unsigned char char_match)
mark.chen@ebn.com.tw 6:64f5dad70ee2 136 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 137 int result = 0;
mark.chen@ebn.com.tw 6:64f5dad70ee2 138 lock();
mark.chen@ebn.com.tw 7:af4ceb878eee 139 if (!serial_rx_active(&_serial) && !_rx_asynch_set) {
mark.chen@ebn.com.tw 8:716d4274f7b7 140 start_read((void *)buffer, length, 8, callback, event, char_match);
mark.chen@ebn.com.tw 6:64f5dad70ee2 141 } else {
mark.chen@ebn.com.tw 6:64f5dad70ee2 142 result = -1; // transaction ongoing
mark.chen@ebn.com.tw 6:64f5dad70ee2 143 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 144 unlock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 145 return result;
mark.chen@ebn.com.tw 1:9d4632d0b16f 146 }
mark.chen@ebn.com.tw 1:9d4632d0b16f 147
mark.chen@ebn.com.tw 7:af4ceb878eee 148 int UART9BIT::GitRxDataLen(void)
mark.chen@ebn.com.tw 7:af4ceb878eee 149 {
mark.chen@ebn.com.tw 7:af4ceb878eee 150 int retcnt=0;
mark.chen@ebn.com.tw 7:af4ceb878eee 151 retcnt=_serial.rx_buff.pos;
mark.chen@ebn.com.tw 7:af4ceb878eee 152
mark.chen@ebn.com.tw 7:af4ceb878eee 153 return retcnt;
mark.chen@ebn.com.tw 7:af4ceb878eee 154 }
mark.chen@ebn.com.tw 7:af4ceb878eee 155
mark.chen@ebn.com.tw 7:af4ceb878eee 156 void UART9BIT::SetRxDataLen(size_t len)
mark.chen@ebn.com.tw 7:af4ceb878eee 157 {
mark.chen@ebn.com.tw 7:af4ceb878eee 158 int retcnt=0;
mark.chen@ebn.com.tw 7:af4ceb878eee 159 _serial.rx_buff.pos=len;
mark.chen@ebn.com.tw 7:af4ceb878eee 160
mark.chen@ebn.com.tw 7:af4ceb878eee 161
mark.chen@ebn.com.tw 7:af4ceb878eee 162 }
mark.chen@ebn.com.tw 1:9d4632d0b16f 163
mark.chen@ebn.com.tw 1:9d4632d0b16f 164
mark.chen@ebn.com.tw 1:9d4632d0b16f 165
mark.chen@ebn.com.tw 6:64f5dad70ee2 166 void UART9BIT::GetUartName(void)
mark.chen@ebn.com.tw 6:64f5dad70ee2 167 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 168 switch(_serial.serial.uart)
mark.chen@ebn.com.tw 6:64f5dad70ee2 169 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 170 case UART_0:
mark.chen@ebn.com.tw 6:64f5dad70ee2 171 printf("Uart 0 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 172 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 173 case UART_1:
mark.chen@ebn.com.tw 6:64f5dad70ee2 174 printf("Uart 1 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 175 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 176 case UART_2:
mark.chen@ebn.com.tw 6:64f5dad70ee2 177 printf("Uart 2 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 178 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 179 case UART_3:
mark.chen@ebn.com.tw 6:64f5dad70ee2 180 printf("Uart 3 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 181 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 182 case UART_4:
mark.chen@ebn.com.tw 6:64f5dad70ee2 183 printf("Uart 4 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 184 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 185 case UART_5:
mark.chen@ebn.com.tw 6:64f5dad70ee2 186 printf("Uart 5 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 187 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 188 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 189
mark.chen@ebn.com.tw 6:64f5dad70ee2 190
mark.chen@ebn.com.tw 6:64f5dad70ee2 191
mark.chen@ebn.com.tw 6:64f5dad70ee2 192 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 193
mark.chen@ebn.com.tw 6:64f5dad70ee2 194
mark.chen@ebn.com.tw 6:64f5dad70ee2 195
mark.chen@ebn.com.tw 6:64f5dad70ee2 196