diff options
author | Raul Munoz <munoz0raul@gmail.com> | 2017-05-29 16:16:06 -0300 |
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committer | Stefan Agner <stefan.agner@toradex.com> | 2017-05-29 13:27:52 -0700 |
commit | 732fc749ed8de98d5f47aae3c4c803bafc527c28 (patch) | |
tree | 2aba8ac579de98bfd966cb8fb65bb7242324bd0e /examples/imx7_colibri_m4/driver_examples/gpio_bank2_imx/hardware_init.c | |
parent | 0b7e1c5c700f7fc87a2950298ba37ca78592f692 (diff) |
examples: gpio_bank2_imx: gpio example using just GPIO2
This example control a led and a button just using GPIOs from
the bank 2 (GPIO2).
Signed-off-by: Raul Munoz <raul.munoz@toradex.com>
Signed-off-by: Stefan Agner <stefan.agner@toradex.com>
Diffstat (limited to 'examples/imx7_colibri_m4/driver_examples/gpio_bank2_imx/hardware_init.c')
-rw-r--r-- | examples/imx7_colibri_m4/driver_examples/gpio_bank2_imx/hardware_init.c | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/examples/imx7_colibri_m4/driver_examples/gpio_bank2_imx/hardware_init.c b/examples/imx7_colibri_m4/driver_examples/gpio_bank2_imx/hardware_init.c new file mode 100644 index 0000000..c0be651 --- /dev/null +++ b/examples/imx7_colibri_m4/driver_examples/gpio_bank2_imx/hardware_init.c @@ -0,0 +1,54 @@ +/* + * Copyright (c) 2015, Freescale Semiconductor, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without modification, + * are permitted provided that the following conditions are met: + * + * o Redistributions of source code must retain the above copyright notice, this list + * of conditions and the following disclaimer. + * + * o Redistributions in binary form must reproduce the above copyright notice, this + * list of conditions and the following disclaimer in the documentation and/or + * other materials provided with the distribution. + * + * o Neither the name of Freescale Semiconductor, Inc. nor the names of its + * contributors may be used to endorse or promote products derived from this + * software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR + * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; + * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON + * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include "gpio_pins.h" +#include "board.h" + +void hardware_init(void) +{ + /* Board specific RDC settings */ + BOARD_RdcInit(); + /* Board specific clock settings */ + BOARD_ClockInit(); + /* initialize debug uart */ + dbg_uart_init(); + + /* In this demo, we need to share board GPIO, we can set sreq argument to true + * when the peer core could also access GPIO with RDC_SEMAPHORE, or the peer + * core doesn't access the GPIO at all */ + RDC_SetPdapAccess(RDC, rdcPdapGpio2, 0xFF, false/*true*/, false); + + /* Enable gpio clock gate */ + // CCM_ControlGate(CCM, BOARD_GPIO_KEY_CCM_CCGR, ccmClockNeededRunWait); +} + +/******************************************************************************* + * EOF + ******************************************************************************/ |