From 5b90306c971149fd079ca53aab637e987c4ac5c0 Mon Sep 17 00:00:00 2001 From: marcoveeneman Date: Sun, 10 Sep 2017 19:46:13 +0200 Subject: Added testhal applcation for Tiva UART driver. --- testhal/TIVA/TM4C123x/UART/main.c | 146 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 146 insertions(+) create mode 100644 testhal/TIVA/TM4C123x/UART/main.c (limited to 'testhal/TIVA/TM4C123x/UART/main.c') diff --git a/testhal/TIVA/TM4C123x/UART/main.c b/testhal/TIVA/TM4C123x/UART/main.c new file mode 100644 index 0000000..8abae57 --- /dev/null +++ b/testhal/TIVA/TM4C123x/UART/main.c @@ -0,0 +1,146 @@ +/* + ChibiOS - Copyright (C) 2006..2017 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. +*/ + +#include "ch.h" +#include "hal.h" + +static virtual_timer_t vt1, vt2; + +static void restart(void *p) { + + (void)p; + + chSysLockFromISR(); + uartStartSendI(&UARTD1, 14, "Hello World!\r\n"); + chSysUnlockFromISR(); +} + +static void ledoff(void *p) { + + (void)p; + palClearLine(LINE_LED_RED); +} + +/* + * This callback is invoked when a transmission buffer has been completely + * read by the driver. + */ +static void txend1(UARTDriver *uartp) { + + (void)uartp; + palSetLine(LINE_LED_RED); +} + +/* + * This callback is invoked when a transmission has physically completed. + */ +static void txend2(UARTDriver *uartp) { + + (void)uartp; + palClearLine(LINE_LED_RED); + chSysLockFromISR(); + 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.*/ + palSetLine(LINE_LED_RED); + chSysLockFromISR(); + 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, + UART_LCRH_FEN | UART_LCRH_WLEN_8, + UART_IFLS_TX4_8 | UART_IFLS_RX4_8, + UART_CC_CS_SYSCLK +}; + +/* + * 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(); + + palSetLineMode(LINE_UART0_RX, PAL_MODE_INPUT | PAL_MODE_ALTERNATE(1)); + palSetLineMode(LINE_UART0_TX, PAL_MODE_INPUT | PAL_MODE_ALTERNATE(1)); + + palSetLineMode(LINE_LED_RED, PAL_MODE_OUTPUT_PUSHPULL); + + /* + * Activates the uart driver 1. + */ + uartStart(&UARTD1, &uart_cfg_1); + + /* + * 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(5000); + } +} -- cgit v1.2.3 From a08a28e32d43d1f6592a87ffa4ab83b02d97df12 Mon Sep 17 00:00:00 2001 From: marcoveeneman Date: Fri, 24 Nov 2017 22:26:11 +0100 Subject: Fixed I2C and UART testhal demos --- testhal/TIVA/TM4C123x/UART/main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'testhal/TIVA/TM4C123x/UART/main.c') diff --git a/testhal/TIVA/TM4C123x/UART/main.c b/testhal/TIVA/TM4C123x/UART/main.c index 8abae57..d3b48bc 100644 --- a/testhal/TIVA/TM4C123x/UART/main.c +++ b/testhal/TIVA/TM4C123x/UART/main.c @@ -53,7 +53,7 @@ static void txend2(UARTDriver *uartp) { palClearLine(LINE_LED_RED); chSysLockFromISR(); chVTResetI(&vt1); - chVTSetI(&vt1, MS2ST(5000), restart, NULL); + chVTSetI(&vt1, OSAL_MS2I(5000), restart, NULL); chSysUnlockFromISR(); } @@ -79,7 +79,7 @@ static void rxchar(UARTDriver *uartp, uint16_t c) { palSetLine(LINE_LED_RED); chSysLockFromISR(); chVTResetI(&vt2); - chVTSetI(&vt2, MS2ST(200), ledoff, NULL); + chVTSetI(&vt2, OSAL_MS2I(200), ledoff, NULL); chSysUnlockFromISR(); } -- cgit v1.2.3