Mark Chen / NU480_UART_9BIT

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UART9BIT.CPP@10:89f383af0885, 2019-08-28 (annotated)

Committer:
mark.chen@ebn.com.tw
Date:
Wed Aug 28 09:32:44 2019 +0800
Revision:
10:89f383af0885
Parent:
9:bd6af3d4c651
Child:
11:2679ddcf8c96
Update code 20190828

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 9:bd6af3d4c651 39
mark.chen@ebn.com.tw 7:af4ceb878eee 40 int event;
mark.chen@ebn.com.tw 9:bd6af3d4c651 41 int rx_event;
mark.chen@ebn.com.tw 9:bd6af3d4c651 42
mark.chen@ebn.com.tw 9:bd6af3d4c651 43
mark.chen@ebn.com.tw 9:bd6af3d4c651 44
mark.chen@ebn.com.tw 7:af4ceb878eee 45 if(Enable9Bit)
mark.chen@ebn.com.tw 9:bd6af3d4c651 46 {
mark.chen@ebn.com.tw 7:af4ceb878eee 47 event=serial_irq_handler_asynch9bit(&_serial);
mark.chen@ebn.com.tw 9:bd6af3d4c651 48
mark.chen@ebn.com.tw 9:bd6af3d4c651 49 sprintf(uart9debug,"Uart9 serial_irq_handler_asynch9bit event=%04x\r\n",event); uartdebug=true;
mark.chen@ebn.com.tw 9:bd6af3d4c651 50
mark.chen@ebn.com.tw 9:bd6af3d4c651 51 }
mark.chen@ebn.com.tw 7:af4ceb878eee 52 else
mark.chen@ebn.com.tw 9:bd6af3d4c651 53 {
mark.chen@ebn.com.tw 10:89f383af0885 54 event=serial_irq_handler_asynch(&_serial);
mark.chen@ebn.com.tw 9:bd6af3d4c651 55 }
mark.chen@ebn.com.tw 9:bd6af3d4c651 56
mark.chen@ebn.com.tw 9:bd6af3d4c651 57 rx_event = event & SERIAL_EVENT_RX_MASK;
mark.chen@ebn.com.tw 7:af4ceb878eee 58
mark.chen@ebn.com.tw 6:64f5dad70ee2 59
mark.chen@ebn.com.tw 9:bd6af3d4c651 60
mark.chen@ebn.com.tw 6:64f5dad70ee2 61 if (_rx_asynch_set && rx_event) {
mark.chen@ebn.com.tw 9:bd6af3d4c651 62
mark.chen@ebn.com.tw 9:bd6af3d4c651 63
mark.chen@ebn.com.tw 6:64f5dad70ee2 64 event_callback_t cb = _rx_callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 65 _rx_asynch_set = false;
mark.chen@ebn.com.tw 6:64f5dad70ee2 66 _rx_callback = NULL;
mark.chen@ebn.com.tw 9:bd6af3d4c651 67
mark.chen@ebn.com.tw 6:64f5dad70ee2 68 if (cb) {
mark.chen@ebn.com.tw 9:bd6af3d4c651 69 sprintf(uart9debug,"Uart9 run cb \r\n");
mark.chen@ebn.com.tw 10:89f383af0885 70 uartdebug=true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 71 cb.call(rx_event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 72 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 73 sleep_manager_unlock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 74 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 75
mark.chen@ebn.com.tw 6:64f5dad70ee2 76 int tx_event = event & SERIAL_EVENT_TX_MASK;
mark.chen@ebn.com.tw 6:64f5dad70ee2 77 if (_tx_asynch_set && tx_event) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 78 event_callback_t cb = _tx_callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 79 _tx_asynch_set = false;
mark.chen@ebn.com.tw 6:64f5dad70ee2 80 _tx_callback = NULL;
mark.chen@ebn.com.tw 6:64f5dad70ee2 81 if (cb) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 82 cb.call(tx_event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 83 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 84 sleep_manager_unlock_deep_sleep();
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 int UART9BIT::write(const uint16_t *buffer, int length, const event_callback_t &callback, int event)
mark.chen@ebn.com.tw 6:64f5dad70ee2 89 {
mark.chen@ebn.com.tw 8:716d4274f7b7 90 int result = 0;
mark.chen@ebn.com.tw 6:64f5dad70ee2 91 lock();
mark.chen@ebn.com.tw 8:716d4274f7b7 92
mark.chen@ebn.com.tw 6:64f5dad70ee2 93 if (!serial_tx_active(&_serial) && !_tx_asynch_set) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 94 start_write((void *)buffer, length, 16, callback, event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 95 } else {
mark.chen@ebn.com.tw 6:64f5dad70ee2 96 result = -1; // transaction ongoing
mark.chen@ebn.com.tw 6:64f5dad70ee2 97 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 98
mark.chen@ebn.com.tw 6:64f5dad70ee2 99
mark.chen@ebn.com.tw 6:64f5dad70ee2 100 unlock();
mark.chen@ebn.com.tw 8:716d4274f7b7 101
mark.chen@ebn.com.tw 6:64f5dad70ee2 102 return result;
mark.chen@ebn.com.tw 6:64f5dad70ee2 103 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 104
mark.chen@ebn.com.tw 6:64f5dad70ee2 105
mark.chen@ebn.com.tw 6:64f5dad70ee2 106 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 107 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 108 _tx_asynch_set = true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 109 _tx_callback = callback;
mark.chen@ebn.com.tw 8:716d4274f7b7 110
mark.chen@ebn.com.tw 6:64f5dad70ee2 111 _thunk9_irq.callback(&UART9BIT::interrupt_handler_asynch);
mark.chen@ebn.com.tw 6:64f5dad70ee2 112
mark.chen@ebn.com.tw 6:64f5dad70ee2 113 sleep_manager_lock_deep_sleep();
mark.chen@ebn.com.tw 7:af4ceb878eee 114
mark.chen@ebn.com.tw 7:af4ceb878eee 115 if(Enable9Bit)
mark.chen@ebn.com.tw 7:af4ceb878eee 116 {
mark.chen@ebn.com.tw 7:af4ceb878eee 117 serial_tx_asynch9bit(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, _tx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 118 }
mark.chen@ebn.com.tw 7:af4ceb878eee 119 else
mark.chen@ebn.com.tw 7:af4ceb878eee 120 {
mark.chen@ebn.com.tw 7:af4ceb878eee 121 serial_tx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, _tx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 122 }
mark.chen@ebn.com.tw 7:af4ceb878eee 123
mark.chen@ebn.com.tw 6:64f5dad70ee2 124 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 125
mark.chen@ebn.com.tw 6:64f5dad70ee2 126
mark.chen@ebn.com.tw 6:64f5dad70ee2 127 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 128 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 129 _rx_asynch_set = true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 130 _rx_callback = callback;
mark.chen@ebn.com.tw 7:af4ceb878eee 131
mark.chen@ebn.com.tw 7:af4ceb878eee 132
mark.chen@ebn.com.tw 6:64f5dad70ee2 133 _thunk9_irq.callback(&UART9BIT::interrupt_handler_asynch);
mark.chen@ebn.com.tw 6:64f5dad70ee2 134 sleep_manager_lock_deep_sleep();
mark.chen@ebn.com.tw 7:af4ceb878eee 135
mark.chen@ebn.com.tw 7:af4ceb878eee 136 if(Enable9Bit)
mark.chen@ebn.com.tw 7:af4ceb878eee 137 {
mark.chen@ebn.com.tw 9:bd6af3d4c651 138 serial_rx_asynch9bit(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, char_match, _rx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 139 }
mark.chen@ebn.com.tw 7:af4ceb878eee 140 else
mark.chen@ebn.com.tw 7:af4ceb878eee 141 {
mark.chen@ebn.com.tw 7:af4ceb878eee 142 serial_rx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk9_irq.entry(), event, char_match, _rx_usage);
mark.chen@ebn.com.tw 7:af4ceb878eee 143 }
mark.chen@ebn.com.tw 7:af4ceb878eee 144
mark.chen@ebn.com.tw 6:64f5dad70ee2 145 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 146
mark.chen@ebn.com.tw 8:716d4274f7b7 147 uint16_t UART9BIT::getu16()
mark.chen@ebn.com.tw 8:716d4274f7b7 148 {
mark.chen@ebn.com.tw 8:716d4274f7b7 149 return serial_getc_9bit(&_serial);
mark.chen@ebn.com.tw 8:716d4274f7b7 150 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 151
mark.chen@ebn.com.tw 9:bd6af3d4c651 152 void UART9BIT::putu16(uint16_t data)
mark.chen@ebn.com.tw 9:bd6af3d4c651 153 {
mark.chen@ebn.com.tw 9:bd6af3d4c651 154 return serial_putc_9bit(&_serial,data);
mark.chen@ebn.com.tw 9:bd6af3d4c651 155 }
mark.chen@ebn.com.tw 9:bd6af3d4c651 156
mark.chen@ebn.com.tw 6:64f5dad70ee2 157 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 158 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 159 int result = 0;
mark.chen@ebn.com.tw 6:64f5dad70ee2 160 lock();
mark.chen@ebn.com.tw 7:af4ceb878eee 161 if (!serial_rx_active(&_serial) && !_rx_asynch_set) {
mark.chen@ebn.com.tw 8:716d4274f7b7 162 start_read((void *)buffer, length, 8, callback, event, char_match);
mark.chen@ebn.com.tw 6:64f5dad70ee2 163 } else {
mark.chen@ebn.com.tw 6:64f5dad70ee2 164 result = -1; // transaction ongoing
mark.chen@ebn.com.tw 6:64f5dad70ee2 165 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 166 unlock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 167 return result;
mark.chen@ebn.com.tw 1:9d4632d0b16f 168 }
mark.chen@ebn.com.tw 1:9d4632d0b16f 169
mark.chen@ebn.com.tw 7:af4ceb878eee 170 int UART9BIT::GitRxDataLen(void)
mark.chen@ebn.com.tw 7:af4ceb878eee 171 {
mark.chen@ebn.com.tw 7:af4ceb878eee 172 int retcnt=0;
mark.chen@ebn.com.tw 7:af4ceb878eee 173 retcnt=_serial.rx_buff.pos;
mark.chen@ebn.com.tw 7:af4ceb878eee 174
mark.chen@ebn.com.tw 7:af4ceb878eee 175 return retcnt;
mark.chen@ebn.com.tw 7:af4ceb878eee 176 }
mark.chen@ebn.com.tw 7:af4ceb878eee 177
mark.chen@ebn.com.tw 7:af4ceb878eee 178 void UART9BIT::SetRxDataLen(size_t len)
mark.chen@ebn.com.tw 7:af4ceb878eee 179 {
mark.chen@ebn.com.tw 7:af4ceb878eee 180 int retcnt=0;
mark.chen@ebn.com.tw 7:af4ceb878eee 181 _serial.rx_buff.pos=len;
mark.chen@ebn.com.tw 7:af4ceb878eee 182
mark.chen@ebn.com.tw 7:af4ceb878eee 183
mark.chen@ebn.com.tw 7:af4ceb878eee 184 }
mark.chen@ebn.com.tw 1:9d4632d0b16f 185
mark.chen@ebn.com.tw 1:9d4632d0b16f 186
mark.chen@ebn.com.tw 1:9d4632d0b16f 187
mark.chen@ebn.com.tw 6:64f5dad70ee2 188 void UART9BIT::GetUartName(void)
mark.chen@ebn.com.tw 6:64f5dad70ee2 189 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 190 switch(_serial.serial.uart)
mark.chen@ebn.com.tw 6:64f5dad70ee2 191 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 192 case UART_0:
mark.chen@ebn.com.tw 6:64f5dad70ee2 193 printf("Uart 0 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 194 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 195 case UART_1:
mark.chen@ebn.com.tw 6:64f5dad70ee2 196 printf("Uart 1 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 197 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 198 case UART_2:
mark.chen@ebn.com.tw 6:64f5dad70ee2 199 printf("Uart 2 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 200 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 201 case UART_3:
mark.chen@ebn.com.tw 6:64f5dad70ee2 202 printf("Uart 3 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 203 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 204 case UART_4:
mark.chen@ebn.com.tw 6:64f5dad70ee2 205 printf("Uart 4 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 206 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 207 case UART_5:
mark.chen@ebn.com.tw 6:64f5dad70ee2 208 printf("Uart 5 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 209 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 210 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 211
mark.chen@ebn.com.tw 6:64f5dad70ee2 212
mark.chen@ebn.com.tw 6:64f5dad70ee2 213
mark.chen@ebn.com.tw 6:64f5dad70ee2 214 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 215
mark.chen@ebn.com.tw 6:64f5dad70ee2 216
mark.chen@ebn.com.tw 6:64f5dad70ee2 217
mark.chen@ebn.com.tw 6:64f5dad70ee2 218