Mark Chen / NU480_UART_9BIT

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UART9BIT.CPP@6:64f5dad70ee2, 2019-08-21 (annotated)

Committer:
mark.chen@ebn.com.tw
Date:
Wed Aug 21 16:27:30 2019 +0800
Revision:
6:64f5dad70ee2
Parent:
5:b97a733f6ed8
Child:
7:af4ceb878eee
Uplaod code 2019/08/21

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 */
MarkChen 0:f0f0961f1727 16
mark.chen@ebn.com.tw 1:9d4632d0b16f 17 #include "UART9BIT.h"
mark.chen@ebn.com.tw 6:64f5dad70ee2 18 #include "serial_api9bit.h"
mark.chen@ebn.com.tw 1:9d4632d0b16f 19
mark.chen@ebn.com.tw 1:9d4632d0b16f 20
mark.chen@ebn.com.tw 6:64f5dad70ee2 21 UART9BIT::UART9BIT(PinName tx, PinName rx, int baud,bool en9bit) :_thunk9_irq(this), SerialBase( tx, rx, baud)
mark.chen@ebn.com.tw 1:9d4632d0b16f 22 {
mark.chen@ebn.com.tw 1:9d4632d0b16f 23 Enable9Bit=en9bit;
mark.chen@ebn.com.tw 5:b97a733f6ed8 24 printf("Uart9bit init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 25
mark.chen@ebn.com.tw 6:64f5dad70ee2 26 if(en9bit)
mark.chen@ebn.com.tw 6:64f5dad70ee2 27 format(9,UART9BIT::None,1);
mark.chen@ebn.com.tw 6:64f5dad70ee2 28
mark.chen@ebn.com.tw 6:64f5dad70ee2 29 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 30
mark.chen@ebn.com.tw 6:64f5dad70ee2 31 void UART9BIT::format(int bits, Parity parity, int stop_bits)
mark.chen@ebn.com.tw 6:64f5dad70ee2 32 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 33 lock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 34 serial_format_9bit(&_serial, bits, (SerialParity)parity, stop_bits);
mark.chen@ebn.com.tw 6:64f5dad70ee2 35 unlock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 36 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 37
mark.chen@ebn.com.tw 6:64f5dad70ee2 38
mark.chen@ebn.com.tw 6:64f5dad70ee2 39 void UART9BIT::interrupt_handler_asynch(void)
mark.chen@ebn.com.tw 6:64f5dad70ee2 40 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 41 int event = serial_irq_handler_asynch(&_serial);
mark.chen@ebn.com.tw 6:64f5dad70ee2 42 int rx_event = event & SERIAL_EVENT_RX_MASK;
mark.chen@ebn.com.tw 6:64f5dad70ee2 43
mark.chen@ebn.com.tw 6:64f5dad70ee2 44 if (_rx_asynch_set && rx_event) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 45 event_callback_t cb = _rx_callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 46 _rx_asynch_set = false;
mark.chen@ebn.com.tw 6:64f5dad70ee2 47 _rx_callback = NULL;
mark.chen@ebn.com.tw 6:64f5dad70ee2 48 if (cb) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 49 cb.call(rx_event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 50 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 51 sleep_manager_unlock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 52 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 53
mark.chen@ebn.com.tw 6:64f5dad70ee2 54 int tx_event = event & SERIAL_EVENT_TX_MASK;
mark.chen@ebn.com.tw 6:64f5dad70ee2 55 if (_tx_asynch_set && tx_event) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 56 event_callback_t cb = _tx_callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 57 _tx_asynch_set = false;
mark.chen@ebn.com.tw 6:64f5dad70ee2 58 _tx_callback = NULL;
mark.chen@ebn.com.tw 6:64f5dad70ee2 59 if (cb) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 60 cb.call(tx_event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 61 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 62 sleep_manager_unlock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 63 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 64 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 65
mark.chen@ebn.com.tw 6:64f5dad70ee2 66 int UART9BIT::write(const uint16_t *buffer, int length, const event_callback_t &callback, int event)
mark.chen@ebn.com.tw 6:64f5dad70ee2 67 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 68 int result = 0;
mark.chen@ebn.com.tw 6:64f5dad70ee2 69 printf("U9 01 \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 70 lock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 71 // printf("U9 Write 2\r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 72
mark.chen@ebn.com.tw 6:64f5dad70ee2 73 if (!serial_tx_active(&_serial) && !_tx_asynch_set) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 74 start_write((void *)buffer, length, 16, callback, event);
mark.chen@ebn.com.tw 6:64f5dad70ee2 75 } else {
mark.chen@ebn.com.tw 6:64f5dad70ee2 76 result = -1; // transaction ongoing
mark.chen@ebn.com.tw 6:64f5dad70ee2 77 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 78
mark.chen@ebn.com.tw 6:64f5dad70ee2 79
mark.chen@ebn.com.tw 6:64f5dad70ee2 80 unlock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 81 printf("U9 Write ok\r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 82 return result;
mark.chen@ebn.com.tw 6:64f5dad70ee2 83 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 84
mark.chen@ebn.com.tw 6:64f5dad70ee2 85
mark.chen@ebn.com.tw 6:64f5dad70ee2 86 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 87 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 88 _tx_asynch_set = true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 89 _tx_callback = callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 90 printf("U9 10 \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 91 _thunk9_irq.callback(&UART9BIT::interrupt_handler_asynch);
mark.chen@ebn.com.tw 6:64f5dad70ee2 92
mark.chen@ebn.com.tw 6:64f5dad70ee2 93 sleep_manager_lock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 94 printf("U9 11 \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 95
mark.chen@ebn.com.tw 6:64f5dad70ee2 96 serial_tx_asynch9bit(&_serial, buffer, buffer_size, buffer_width, _thunk_irq.entry(), event, _tx_usage);
mark.chen@ebn.com.tw 6:64f5dad70ee2 97 printf("U9 12 \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 98 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 99
mark.chen@ebn.com.tw 6:64f5dad70ee2 100
mark.chen@ebn.com.tw 6:64f5dad70ee2 101 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 102 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 103 _rx_asynch_set = true;
mark.chen@ebn.com.tw 6:64f5dad70ee2 104 _rx_callback = callback;
mark.chen@ebn.com.tw 6:64f5dad70ee2 105 _thunk9_irq.callback(&UART9BIT::interrupt_handler_asynch);
mark.chen@ebn.com.tw 6:64f5dad70ee2 106 sleep_manager_lock_deep_sleep();
mark.chen@ebn.com.tw 6:64f5dad70ee2 107 serial_rx_asynch(&_serial, buffer, buffer_size, buffer_width, _thunk_irq.entry(), event, char_match, _rx_usage);
mark.chen@ebn.com.tw 6:64f5dad70ee2 108 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 109
mark.chen@ebn.com.tw 6:64f5dad70ee2 110
mark.chen@ebn.com.tw 6:64f5dad70ee2 111
mark.chen@ebn.com.tw 6:64f5dad70ee2 112 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 113 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 114 int result = 0;
mark.chen@ebn.com.tw 6:64f5dad70ee2 115 lock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 116 if (!serial_rx_active(&_serial) && !_rx_asynch_set) {
mark.chen@ebn.com.tw 6:64f5dad70ee2 117 start_read((void *)buffer, length, 16, callback, event, char_match);
mark.chen@ebn.com.tw 6:64f5dad70ee2 118 } else {
mark.chen@ebn.com.tw 6:64f5dad70ee2 119 result = -1; // transaction ongoing
mark.chen@ebn.com.tw 6:64f5dad70ee2 120 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 121 unlock();
mark.chen@ebn.com.tw 6:64f5dad70ee2 122 return result;
mark.chen@ebn.com.tw 1:9d4632d0b16f 123 }
mark.chen@ebn.com.tw 1:9d4632d0b16f 124
mark.chen@ebn.com.tw 1:9d4632d0b16f 125
mark.chen@ebn.com.tw 1:9d4632d0b16f 126
mark.chen@ebn.com.tw 1:9d4632d0b16f 127
mark.chen@ebn.com.tw 6:64f5dad70ee2 128 void UART9BIT::GetUartName(void)
mark.chen@ebn.com.tw 6:64f5dad70ee2 129 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 130 switch(_serial.serial.uart)
mark.chen@ebn.com.tw 6:64f5dad70ee2 131 {
mark.chen@ebn.com.tw 6:64f5dad70ee2 132 case UART_0:
mark.chen@ebn.com.tw 6:64f5dad70ee2 133 printf("Uart 0 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 134 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 135 case UART_1:
mark.chen@ebn.com.tw 6:64f5dad70ee2 136 printf("Uart 1 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 137 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 138 case UART_2:
mark.chen@ebn.com.tw 6:64f5dad70ee2 139 printf("Uart 2 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 140 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 141 case UART_3:
mark.chen@ebn.com.tw 6:64f5dad70ee2 142 printf("Uart 3 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 143 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 144 case UART_4:
mark.chen@ebn.com.tw 6:64f5dad70ee2 145 printf("Uart 4 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 146 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 147 case UART_5:
mark.chen@ebn.com.tw 6:64f5dad70ee2 148 printf("Uart 5 init \r\n");
mark.chen@ebn.com.tw 6:64f5dad70ee2 149 break;
mark.chen@ebn.com.tw 6:64f5dad70ee2 150 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 151
mark.chen@ebn.com.tw 6:64f5dad70ee2 152
mark.chen@ebn.com.tw 6:64f5dad70ee2 153
mark.chen@ebn.com.tw 6:64f5dad70ee2 154 }
mark.chen@ebn.com.tw 6:64f5dad70ee2 155
mark.chen@ebn.com.tw 6:64f5dad70ee2 156
mark.chen@ebn.com.tw 6:64f5dad70ee2 157
mark.chen@ebn.com.tw 6:64f5dad70ee2 158