From eefe7fbc1bd9cf3f50e580ff44f977a08dafa107 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 17 Sep 2011 15:50:29 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3328 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32L1xx/UART/main.c | 147 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 testhal/STM32L1xx/UART/main.c (limited to 'testhal/STM32L1xx/UART/main.c') diff --git a/testhal/STM32L1xx/UART/main.c b/testhal/STM32L1xx/UART/main.c new file mode 100644 index 000000000..87efcab74 --- /dev/null +++ b/testhal/STM32L1xx/UART/main.c @@ -0,0 +1,147 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT 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 3 of the License, or + (at your option) any later version. + + ChibiOS/RT 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, see . +*/ + +#include "ch.h" +#include "hal.h" + +static VirtualTimer vt1, vt2; + +static void restart(void *p) { + + (void)p; + uartStartSendI(&UARTD1, 14, "Hello World!\r\n"); +} + +static void ledoff(void *p) { + + (void)p; + palSetPad(GPIOB, GPIOB_LED4); +} + +/* + * This callback is invoked when a transmission buffer has been completely + * read by the driver. + */ +static void txend1(UARTDriver *uartp) { + + (void)uartp; + palClearPad(GPIOB, GPIOB_LED4); +} + +/* + * This callback is invoked when a transmission has physically completed. + */ +static void txend2(UARTDriver *uartp) { + + (void)uartp; + palSetPad(GPIOB, GPIOB_LED4); + chSysLockFromIsr(); + if (chVTIsArmedI(&vt1)) + chVTResetI(&vt1); + chVTSetI(&vt1, MS2ST(5000), restart, NULL); + chSysUnlockFromIsr(); +} + +/* + * This callback is invoked on a receive error, the errors mask is passed + * as parameter. + */ +static void rxerr(UARTDriver *uartp, uartflags_t e) { + + (void)uartp; + (void)e; +} + +/* + * This callback is invoked when a character is received but the application + * was not ready to receive it, the character is passed as parameter. + */ +static void rxchar(UARTDriver *uartp, uint16_t c) { + + (void)uartp; + (void)c; + /* Flashing the LED each time a character is received.*/ + palClearPad(GPIOB, GPIOB_LED4); + chSysLockFromIsr(); + if (chVTIsArmedI(&vt2)) + chVTResetI(&vt2); + chVTSetI(&vt2, MS2ST(200), ledoff, NULL); + chSysUnlockFromIsr(); +} + +/* + * This callback is invoked when a receive buffer has been completely written. + */ +static void rxend(UARTDriver *uartp) { + + (void)uartp; +} + +/* + * UART driver configuration structure. + */ +static UARTConfig uart_cfg_1 = { + txend1, + txend2, + rxend, + rxchar, + rxerr, + 38400, + 0, + USART_CR2_LINEN, + 0 +}; + +/* + * Application entry point. + */ +int main(void) { + + /* + * System initializations. + * - HAL initialization, this also initializes the configured device drivers + * and performs the board-specific initializations. + * - Kernel initialization, the main() function becomes a thread and the + * RTOS is active. + */ + halInit(); + chSysInit(); + + /* + * Activates the serial driver 2 using the driver default configuration. + * PA9 and PA10 are routed to USART1. + */ + uartStart(&UARTD1, &uart_cfg_1); + palSetPadMode(GPIOA, 9, PAL_MODE_ALT_OUTPUT_PUSHPULL(7)); + palSetPadMode(GPIOA, 10, PAL_MODE_ALT_INPUT(7)); + + /* + * Starts the transmission, it will be handled entirely in background. + */ + uartStartSend(&UARTD1, 13, "Starting...\r\n"); + + /* + * Normal main() thread activity, in this demo it does nothing. + */ + while (TRUE) { + chThdSleepMilliseconds(500); + } + return 0; +} -- cgit v1.2.3 From baabff16e61179d497fe986d63e325e83272d4ed Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 17 Sep 2011 16:56:44 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3329 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32L1xx/UART/main.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) (limited to 'testhal/STM32L1xx/UART/main.c') diff --git a/testhal/STM32L1xx/UART/main.c b/testhal/STM32L1xx/UART/main.c index 87efcab74..1039b781d 100644 --- a/testhal/STM32L1xx/UART/main.c +++ b/testhal/STM32L1xx/UART/main.c @@ -32,7 +32,7 @@ static void restart(void *p) { static void ledoff(void *p) { (void)p; - palSetPad(GPIOB, GPIOB_LED4); + palClearPad(GPIOB, GPIOB_LED4); } /* @@ -42,7 +42,7 @@ static void ledoff(void *p) { static void txend1(UARTDriver *uartp) { (void)uartp; - palClearPad(GPIOB, GPIOB_LED4); + palSetPad(GPIOB, GPIOB_LED4); } /* @@ -51,7 +51,7 @@ static void txend1(UARTDriver *uartp) { static void txend2(UARTDriver *uartp) { (void)uartp; - palSetPad(GPIOB, GPIOB_LED4); + palClearPad(GPIOB, GPIOB_LED4); chSysLockFromIsr(); if (chVTIsArmedI(&vt1)) chVTResetI(&vt1); @@ -78,7 +78,7 @@ static void rxchar(UARTDriver *uartp, uint16_t c) { (void)uartp; (void)c; /* Flashing the LED each time a character is received.*/ - palClearPad(GPIOB, GPIOB_LED4); + palSetPad(GPIOB, GPIOB_LED4); chSysLockFromIsr(); if (chVTIsArmedI(&vt2)) chVTResetI(&vt2); @@ -143,5 +143,4 @@ int main(void) { while (TRUE) { chThdSleepMilliseconds(500); } - return 0; } -- cgit v1.2.3 From 278fc39f993660a8d7ebf4df4a89f6beb10c7f7b Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sat, 17 Sep 2011 17:53:57 +0000 Subject: UART driver tested with STM32L. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3330 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32L1xx/UART/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'testhal/STM32L1xx/UART/main.c') diff --git a/testhal/STM32L1xx/UART/main.c b/testhal/STM32L1xx/UART/main.c index 1039b781d..30f4c3326 100644 --- a/testhal/STM32L1xx/UART/main.c +++ b/testhal/STM32L1xx/UART/main.c @@ -129,8 +129,8 @@ int main(void) { * PA9 and PA10 are routed to USART1. */ uartStart(&UARTD1, &uart_cfg_1); - palSetPadMode(GPIOA, 9, PAL_MODE_ALT_OUTPUT_PUSHPULL(7)); - palSetPadMode(GPIOA, 10, PAL_MODE_ALT_INPUT(7)); + palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(7)); + palSetPadMode(GPIOA, 10, PAL_MODE_ALTERNATE(7)); /* * Starts the transmission, it will be handled entirely in background. -- cgit v1.2.3 From 4286b14a9e6d82823c8e5c759495575b1b7fa5ef Mon Sep 17 00:00:00 2001 From: gdisirio Date: Wed, 23 Nov 2011 19:58:04 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@3520 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32L1xx/UART/main.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) (limited to 'testhal/STM32L1xx/UART/main.c') diff --git a/testhal/STM32L1xx/UART/main.c b/testhal/STM32L1xx/UART/main.c index 30f4c3326..ce1804f2e 100644 --- a/testhal/STM32L1xx/UART/main.c +++ b/testhal/STM32L1xx/UART/main.c @@ -125,8 +125,7 @@ int main(void) { chSysInit(); /* - * Activates the serial driver 2 using the driver default configuration. - * PA9 and PA10 are routed to USART1. + * Activates the serial driver 1, PA9 and PA10 are routed to USART1. */ uartStart(&UARTD1, &uart_cfg_1); palSetPadMode(GPIOA, 9, PAL_MODE_ALTERNATE(7)); -- cgit v1.2.3