// ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2012 Nicolas Schodet // // Permission is hereby granted, free of charge, to any person obtaining a // copy of this software and associated documentation files (the "Software"), // to deal in the Software without restriction, including without limitation // the rights to use, copy, modify, merge, publish, distribute, sublicense, // and/or sell copies of the Software, and to permit persons to whom the // Software is furnished to do so, subject to the following conditions: // // The above copyright notice and this permission notice shall be included in // all copies or substantial portions of the Software. // // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING // FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER // DEALINGS IN THE SOFTWARE. // // }}} #include "ucoo/hal/uart/uart.hh" #include "ucoo/arch/arch.hh" #include "ucoo/hal/gpio/gpio.hh" #include "ucoo/base/test/test.hh" static void check_act (ucoo::Stream &ts, ucoo::Stream &u, char n) { char buf[3 + 16 + 1]; if (!u.poll ()) return; int r = u.read (buf + 3, 16); if (r <= 0) { buf[3] = '#'; r = 1; } buf[0] = '<'; buf[1] = n; buf[2] = ':'; buf[3 + r] = '>'; ts.write (buf, 3 + r + 1); } int main (int argc, const char **argv) { ucoo::arch_init (argc, argv); ucoo::Stream &ts = ucoo::test_stream (); ucoo::Uart u1 (ucoo::Uart::Instance::USART1); ucoo::Uart u3 (ucoo::Uart::Instance::USART3); ucoo::Uart u4 (ucoo::Uart::Instance::UART4); u1.enable (38400, ucoo::Uart::Parity::EVEN, 1); u3.enable (38400, ucoo::Uart::Parity::EVEN, 1); u4.enable (38400, ucoo::Uart::Parity::EVEN, 1); // For this test, shorten B6 & B7 to have a loopback on UART1, shorten C10 // & C11 to connect UART3 to UART4. ucoo::GPIOB.enable (); ucoo::GPIOC.enable (); ucoo::GPIOB[6].af (7); ucoo::GPIOB[7].af (7); ucoo::GPIOC[10].af (7); ucoo::GPIOC[11].af (8); // Loop to report any activity on ports and provide a simple UI. char buf[64]; int buf_i = 0; ucoo::Uart *u = &u1; while (1) { check_act (ts, u1, '1'); check_act (ts, u3, '3'); check_act (ts, u4, '4'); while (ts.poll ()) { char c = ts.getc (); switch (c) { case '?': static const char help[] = "? - help\n" "1, 3, 4 - set output uart\n" ": - reset output buffer index\n" "! - send output buffer\n" "O, E, N - change parity to Odd, Even or None\n" "any - fill output buffer\n"; ts.write (help, sizeof (help)); break; case '1': u = &u1; break; case '3': u = &u3; break; case '4': u = &u4; break; case ':': buf_i = 0; break; case '!': u->write (buf, buf_i); break; case 'O': u->enable (38400, ucoo::Uart::Parity::ODD, 1); break; case 'E': u->enable (38400, ucoo::Uart::Parity::EVEN, 1); break; case 'N': u->enable (38400, ucoo::Uart::Parity::NONE, 1); break; default: if (buf_i < static_cast (sizeof (buf))) buf[buf_i++] = c; break; } } } }