Analog Devices / mbed-drivers

A collection of Analog Devices drivers for the mbed platform

For additional information check out the mbed page of the Analog Devices wiki: https://wiki.analog.com/resources/tools-software/mbed-drivers-all

libraries/libserialport/libserialport_fake.c@33:c3ec596a29c2, 2016-11-07 (annotated)

Committer:
Adrian Suciu
Date:
Mon Nov 07 16:27:12 2016 +0200
Revision:
33:c3ec596a29c2
Parent:
27:3c32495708f4 
Added CN0391, CN0396 and CN0397 shields

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Paul Cercueil 27:3c32495708f4 1 /*
Paul Cercueil 27:3c32495708f4 2 * Libserialport-fake
Paul Cercueil 27:3c32495708f4 3 *
Paul Cercueil 27:3c32495708f4 4 * This program is free software: you can redistribute it and/or modify
Paul Cercueil 27:3c32495708f4 5 * it under the terms of the GNU Lesser General Public License as
Paul Cercueil 27:3c32495708f4 6 * published by the Free Software Foundation, either version 3 of the
Paul Cercueil 27:3c32495708f4 7 * License, or (at your option) any later version.
Paul Cercueil 27:3c32495708f4 8 *
Paul Cercueil 27:3c32495708f4 9 * This program is distributed in the hope that it will be useful,
Paul Cercueil 27:3c32495708f4 10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Paul Cercueil 27:3c32495708f4 11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Paul Cercueil 27:3c32495708f4 12 * GNU General Public License for more details.
Paul Cercueil 27:3c32495708f4 13 *
Paul Cercueil 27:3c32495708f4 14 * You should have received a copy of the GNU Lesser General Public License
Paul Cercueil 27:3c32495708f4 15 * along with this program. If not, see <http://www.gnu.org/licenses/>.
Paul Cercueil 27:3c32495708f4 16 */
Paul Cercueil 27:3c32495708f4 17
Paul Cercueil 27:3c32495708f4 18 #include <string.h>
Paul Cercueil 27:3c32495708f4 19
Paul Cercueil 27:3c32495708f4 20 #include <mbed/serial_api.h>
Paul Cercueil 27:3c32495708f4 21
Paul Cercueil 27:3c32495708f4 22 #include "libserialport.h"
Paul Cercueil 27:3c32495708f4 23
Paul Cercueil 27:3c32495708f4 24 struct sp_port {
Paul Cercueil 27:3c32495708f4 25 serial_t uart;
Paul Cercueil 27:3c32495708f4 26 int data_bits, stop_bits;
Paul Cercueil 27:3c32495708f4 27 SerialParity parity;
Paul Cercueil 27:3c32495708f4 28 char *name, *description;
Paul Cercueil 27:3c32495708f4 29 };
Paul Cercueil 27:3c32495708f4 30
Paul Cercueil 27:3c32495708f4 31 static struct sp_port sp_ports[5];
Paul Cercueil 27:3c32495708f4 32
Paul Cercueil 27:3c32495708f4 33 static void init_port(struct sp_port *port, PinName tx, PinName rx,
Paul Cercueil 27:3c32495708f4 34 char *name, char *description)
Paul Cercueil 27:3c32495708f4 35 {
Paul Cercueil 27:3c32495708f4 36 serial_init(&port->uart, tx, rx);
Paul Cercueil 27:3c32495708f4 37 serial_pinout_tx(tx);
Paul Cercueil 27:3c32495708f4 38
Paul Cercueil 27:3c32495708f4 39 port->data_bits = 8;
Paul Cercueil 27:3c32495708f4 40 port->stop_bits = 1;
Paul Cercueil 27:3c32495708f4 41 port->parity = ParityNone;
Paul Cercueil 27:3c32495708f4 42 port->name = name;
Paul Cercueil 27:3c32495708f4 43 port->description = description;
Paul Cercueil 27:3c32495708f4 44 }
Paul Cercueil 27:3c32495708f4 45
Paul Cercueil 27:3c32495708f4 46 enum sp_return sp_get_port_by_name(const char *portname,
Paul Cercueil 27:3c32495708f4 47 struct sp_port **port_ptr)
Paul Cercueil 27:3c32495708f4 48 {
Paul Cercueil 27:3c32495708f4 49 if (!strcmp(portname, "USB") || !strcmp(portname, "UART0")) {
Paul Cercueil 27:3c32495708f4 50 init_port(&sp_ports[0], USBTX, USBRX, "UART0", "USB UART");
Paul Cercueil 27:3c32495708f4 51 *port_ptr = &sp_ports[0];
Paul Cercueil 27:3c32495708f4 52 return SP_OK;
Paul Cercueil 27:3c32495708f4 53 }
Paul Cercueil 27:3c32495708f4 54
Paul Cercueil 27:3c32495708f4 55 if (!strcmp(portname, "UART3")) {
Paul Cercueil 27:3c32495708f4 56 init_port(&sp_ports[3], PTC17, PTC16, "UART3", "Arduino UART");
Paul Cercueil 27:3c32495708f4 57 *port_ptr = &sp_ports[3];
Paul Cercueil 27:3c32495708f4 58 return SP_OK;
Paul Cercueil 27:3c32495708f4 59 }
Paul Cercueil 27:3c32495708f4 60
Paul Cercueil 27:3c32495708f4 61 return SP_ERR_ARG;
Paul Cercueil 27:3c32495708f4 62 }
Paul Cercueil 27:3c32495708f4 63
Paul Cercueil 27:3c32495708f4 64 void sp_free_port(struct sp_port *port)
Paul Cercueil 27:3c32495708f4 65 {
Paul Cercueil 27:3c32495708f4 66 serial_free(&port->uart);
Paul Cercueil 27:3c32495708f4 67 }
Paul Cercueil 27:3c32495708f4 68
Paul Cercueil 27:3c32495708f4 69 enum sp_return sp_open(struct sp_port *port, enum sp_mode flags)
Paul Cercueil 27:3c32495708f4 70 {
Paul Cercueil 27:3c32495708f4 71 if (flags != SP_MODE_READ_WRITE)
Paul Cercueil 27:3c32495708f4 72 return SP_ERR_SUPP;
Paul Cercueil 27:3c32495708f4 73 else
Paul Cercueil 27:3c32495708f4 74 return SP_OK;
Paul Cercueil 27:3c32495708f4 75 }
Paul Cercueil 27:3c32495708f4 76
Paul Cercueil 27:3c32495708f4 77 enum sp_return sp_close(struct sp_port *port)
Paul Cercueil 27:3c32495708f4 78 {
Paul Cercueil 27:3c32495708f4 79 return SP_OK;
Paul Cercueil 27:3c32495708f4 80 }
Paul Cercueil 27:3c32495708f4 81
Paul Cercueil 27:3c32495708f4 82 enum sp_return sp_set_baudrate(struct sp_port *port, int baudrate)
Paul Cercueil 27:3c32495708f4 83 {
Paul Cercueil 27:3c32495708f4 84 serial_baud(&port->uart, baudrate);
Paul Cercueil 27:3c32495708f4 85 return SP_OK;
Paul Cercueil 27:3c32495708f4 86 }
Paul Cercueil 27:3c32495708f4 87
Paul Cercueil 27:3c32495708f4 88 enum sp_return sp_set_bits(struct sp_port *port, int bits)
Paul Cercueil 27:3c32495708f4 89 {
Paul Cercueil 27:3c32495708f4 90 port->data_bits = bits;
Paul Cercueil 27:3c32495708f4 91 serial_format(&port->uart, bits, port->parity, port->stop_bits);
Paul Cercueil 27:3c32495708f4 92 return SP_OK;
Paul Cercueil 27:3c32495708f4 93 }
Paul Cercueil 27:3c32495708f4 94
Paul Cercueil 27:3c32495708f4 95 enum sp_return sp_set_stopbits(struct sp_port *port, int stopbits)
Paul Cercueil 27:3c32495708f4 96 {
Paul Cercueil 27:3c32495708f4 97 port->stop_bits = stopbits;
Paul Cercueil 27:3c32495708f4 98 serial_format(&port->uart, port->data_bits, port->parity, stopbits);
Paul Cercueil 27:3c32495708f4 99 return SP_OK;
Paul Cercueil 27:3c32495708f4 100 }
Paul Cercueil 27:3c32495708f4 101
Paul Cercueil 27:3c32495708f4 102 enum sp_return sp_set_parity(struct sp_port *port, enum sp_parity parity)
Paul Cercueil 27:3c32495708f4 103 {
Paul Cercueil 27:3c32495708f4 104 switch (parity) {
Paul Cercueil 27:3c32495708f4 105 case SP_PARITY_NONE:
Paul Cercueil 27:3c32495708f4 106 port->parity = ParityNone;
Paul Cercueil 27:3c32495708f4 107 break;
Paul Cercueil 27:3c32495708f4 108 case SP_PARITY_ODD:
Paul Cercueil 27:3c32495708f4 109 port->parity = ParityOdd;
Paul Cercueil 27:3c32495708f4 110 break;
Paul Cercueil 27:3c32495708f4 111 case SP_PARITY_EVEN:
Paul Cercueil 27:3c32495708f4 112 port->parity = ParityEven;
Paul Cercueil 27:3c32495708f4 113 break;
Paul Cercueil 27:3c32495708f4 114 default:
Paul Cercueil 27:3c32495708f4 115 return SP_ERR_SUPP;
Paul Cercueil 27:3c32495708f4 116 }
Paul Cercueil 27:3c32495708f4 117
Paul Cercueil 27:3c32495708f4 118 serial_format(&port->uart, port->data_bits,
Paul Cercueil 27:3c32495708f4 119 port->parity, port->stop_bits);
Paul Cercueil 27:3c32495708f4 120 return SP_OK;
Paul Cercueil 27:3c32495708f4 121 }
Paul Cercueil 27:3c32495708f4 122
Paul Cercueil 27:3c32495708f4 123 enum sp_return sp_set_flowcontrol(
Paul Cercueil 27:3c32495708f4 124 struct sp_port *port, enum sp_flowcontrol flow)
Paul Cercueil 27:3c32495708f4 125 {
Paul Cercueil 27:3c32495708f4 126 if (flow != SP_FLOWCONTROL_NONE)
Paul Cercueil 27:3c32495708f4 127 return SP_ERR_SUPP;
Paul Cercueil 27:3c32495708f4 128
Paul Cercueil 27:3c32495708f4 129 #if 0
Paul Cercueil 27:3c32495708f4 130 /* This function is in serial_api.h, but it's not implemented anywhere */
Paul Cercueil 27:3c32495708f4 131 serial_set_flow_control(&port->uart, FlowControlNone, NC, NC);
Paul Cercueil 27:3c32495708f4 132 #endif
Paul Cercueil 27:3c32495708f4 133 return SP_OK;
Paul Cercueil 27:3c32495708f4 134 }
Paul Cercueil 27:3c32495708f4 135
Paul Cercueil 27:3c32495708f4 136 enum sp_return sp_flush(struct sp_port *port, enum sp_buffer buffers)
Paul Cercueil 27:3c32495708f4 137 {
Paul Cercueil 27:3c32495708f4 138 if (buffers == SP_BUF_BOTH)
Paul Cercueil 27:3c32495708f4 139 serial_clear(&port->uart);
Paul Cercueil 27:3c32495708f4 140 return SP_OK;
Paul Cercueil 27:3c32495708f4 141 }
Paul Cercueil 27:3c32495708f4 142
Paul Cercueil 27:3c32495708f4 143 char *sp_get_port_name(const struct sp_port *port)
Paul Cercueil 27:3c32495708f4 144 {
Paul Cercueil 27:3c32495708f4 145 return port->name;
Paul Cercueil 27:3c32495708f4 146 }
Paul Cercueil 27:3c32495708f4 147
Paul Cercueil 27:3c32495708f4 148 char *sp_get_port_description(const struct sp_port *port)
Paul Cercueil 27:3c32495708f4 149 {
Paul Cercueil 27:3c32495708f4 150 return port->description;
Paul Cercueil 27:3c32495708f4 151 }
Paul Cercueil 27:3c32495708f4 152
Paul Cercueil 27:3c32495708f4 153 enum sp_return sp_blocking_write(struct sp_port *port, const void *buf,
Paul Cercueil 27:3c32495708f4 154 size_t count, unsigned int timeout_ms)
Paul Cercueil 27:3c32495708f4 155 {
Paul Cercueil 27:3c32495708f4 156 size_t i;
Paul Cercueil 27:3c32495708f4 157 const unsigned char *ptr = buf;
Paul Cercueil 27:3c32495708f4 158
Paul Cercueil 27:3c32495708f4 159 for (i = 0; i < count; i++)
Paul Cercueil 27:3c32495708f4 160 serial_putc(&port->uart, (int) ptr[i]);
Paul Cercueil 27:3c32495708f4 161
Paul Cercueil 27:3c32495708f4 162 return count;
Paul Cercueil 27:3c32495708f4 163 }
Paul Cercueil 27:3c32495708f4 164
Paul Cercueil 27:3c32495708f4 165 enum sp_return sp_blocking_read_next(struct sp_port *port, void *buf,
Paul Cercueil 27:3c32495708f4 166 size_t count, unsigned int timeout_ms)
Paul Cercueil 27:3c32495708f4 167 {
Paul Cercueil 27:3c32495708f4 168 if (count == 0)
Paul Cercueil 27:3c32495708f4 169 return SP_ERR_ARG;
Paul Cercueil 27:3c32495708f4 170
Paul Cercueil 27:3c32495708f4 171 *(char *) buf = (char) serial_getc(&port->uart);
Paul Cercueil 27:3c32495708f4 172 return 1;
Paul Cercueil 27:3c32495708f4 173 }
Paul Cercueil 27:3c32495708f4 174
Paul Cercueil 27:3c32495708f4 175 int sp_last_error_code(void)
Paul Cercueil 27:3c32495708f4 176 {
Paul Cercueil 27:3c32495708f4 177 return 42;
Paul Cercueil 27:3c32495708f4 178 }