// ucoolib - Microcontroller object oriented library. {{{ // // Copyright (C) 2012 Nicolas Schodet // // APBTeam: // Web: http://apbteam.org/ // Email: team AT apbteam DOT org // // This program is free software; you can redistribute it and/or modify // it under the terms of the GNU General Public License as published by // the Free Software Foundation; either version 2 of the License, or // (at your option) any later version. // // This program is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // // You should have received a copy of the GNU General Public License // along with this program; if not, write to the Free Software // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. // // }}} #include "ucoolib/hal/uart/uart.hh" #include "ucoolib/arch/arch.hh" #include "ucoolib/base/test/test.hh" #include #include 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 (0, 38400, ucoo::Uart::EVEN, 1); ucoo::Uart u3 (2, 38400, ucoo::Uart::EVEN, 1); ucoo::Uart u4 (3, 38400, ucoo::Uart::EVEN, 1); // For this test, shorten B6 & B7 to have a loopback on UART1, shorten C10 // & C11 to connect UART3 to UART4. rcc_peripheral_enable_clock (&RCC_AHB1ENR, RCC_AHB1ENR_IOPBEN | RCC_AHB1ENR_IOPCEN); gpio_mode_setup (GPIOB, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO6 | GPIO7); gpio_set_af (GPIOB, GPIO_AF7, GPIO6 | GPIO7); gpio_mode_setup (GPIOC, GPIO_MODE_AF, GPIO_PUPD_NONE, GPIO10 | GPIO11); gpio_set_af (GPIOC, GPIO_AF7, GPIO10); gpio_set_af (GPIOC, GPIO_AF8, GPIO11); // 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->setup (38400, ucoo::Uart::ODD, 1); break; case 'E': u->setup (38400, ucoo::Uart::EVEN, 1); break; case 'N': u->setup (38400, ucoo::Uart::NONE, 1); break; default: if (buf_i < static_cast (sizeof (buf))) buf[buf_i++] = c; break; } } } }