From 27261ab8a6ade925246c1dec80ead3f4a9c651c2 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Sun, 16 Feb 2014 09:12:08 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6715 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32F4xx/I2S/main.c | 42 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) create mode 100644 testhal/STM32F4xx/I2S/main.c (limited to 'testhal/STM32F4xx/I2S/main.c') diff --git a/testhal/STM32F4xx/I2S/main.c b/testhal/STM32F4xx/I2S/main.c new file mode 100644 index 000000000..803ab5a64 --- /dev/null +++ b/testhal/STM32F4xx/I2S/main.c @@ -0,0 +1,42 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 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" + +/* + * 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(); + + /* + * Normal main() thread activity, in this demo it does nothing. + */ + while (TRUE) { + chThdSleepMilliseconds(500); + } + return 0; +} -- cgit v1.2.3 From b5650c045732a833ab9bb9ae44a6be1f604bb9c1 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Mon, 3 Mar 2014 14:57:32 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6749 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32F4xx/I2S/main.c | 37 ++++++++++++++++++++++++++++++++++++- 1 file changed, 36 insertions(+), 1 deletion(-) (limited to 'testhal/STM32F4xx/I2S/main.c') diff --git a/testhal/STM32F4xx/I2S/main.c b/testhal/STM32F4xx/I2S/main.c index 803ab5a64..306141da8 100644 --- a/testhal/STM32F4xx/I2S/main.c +++ b/testhal/STM32F4xx/I2S/main.c @@ -17,6 +17,28 @@ #include "ch.h" #include "hal.h" +#define I2S_BUF_SIZE 256 + +static uint16_t i2s_rx_buf[I2S_BUF_SIZE]; + +static void i2scallback(I2SDriver *i2sp, size_t offset, size_t n); + +static const I2SConfig i2scfg = { + NULL, + i2s_rx_buf, + I2S_BUF_SIZE, + i2scallback, + 0, + 16 +}; + +static void i2scallback(I2SDriver *i2sp, size_t offset, size_t n) { + + (void)i2sp; + (void)offset; + (void)n; +} + /* * Application entry point. */ @@ -33,9 +55,22 @@ int main(void) { chSysInit(); /* - * Normal main() thread activity, in this demo it does nothing. + * Starting and configuring the I2S driver 2. + */ + i2sStart(&I2SD2, &i2scfg); + + /* + * Starting continuous I2S transfer. + */ + i2sStartExchange(&I2SD2); + + /* + * Normal main() thread activity, if the button is pressed then the I2s + * transfer is stopped. */ while (TRUE) { + if (palReadPad(GPIOA, GPIOA_BUTTON)) + i2sStopExchange(&I2SD2); chThdSleepMilliseconds(500); } return 0; -- cgit v1.2.3 From b3bb01c2d23455852cdf9f75b34ed0d03f7fb7df Mon Sep 17 00:00:00 2001 From: gdisirio Date: Tue, 4 Mar 2014 10:43:55 +0000 Subject: I2S starts doing something. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6750 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- testhal/STM32F4xx/I2S/main.c | 2 ++ 1 file changed, 2 insertions(+) (limited to 'testhal/STM32F4xx/I2S/main.c') diff --git a/testhal/STM32F4xx/I2S/main.c b/testhal/STM32F4xx/I2S/main.c index 306141da8..b96f22fb4 100644 --- a/testhal/STM32F4xx/I2S/main.c +++ b/testhal/STM32F4xx/I2S/main.c @@ -58,6 +58,8 @@ int main(void) { * Starting and configuring the I2S driver 2. */ i2sStart(&I2SD2, &i2scfg); + palSetPadMode(GPIOB, 10, PAL_MODE_ALTERNATE(5)); + palSetPadMode(GPIOC, 3, PAL_MODE_ALTERNATE(5)); /* * Starting continuous I2S transfer. -- cgit v1.2.3