diff options
Diffstat (limited to 'tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/port_api.c')
-rw-r--r-- | tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/port_api.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/port_api.c b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/port_api.c new file mode 100644 index 0000000000..9e677f664c --- /dev/null +++ b/tmk_core/tool/mbed/mbed-sdk/libraries/mbed/targets/hal/TARGET_Freescale/TARGET_KPSDK_MCUS/port_api.c @@ -0,0 +1,77 @@ +/* mbed Microcontroller Library + * Copyright (c) 2006-2013 ARM Limited + * + * 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 "port_api.h" + +#if DEVICE_PORTIN || DEVICE_PORTOUT + +#include "pinmap.h" +#include "gpio_api.h" + +PinName port_pin(PortName port, int pin_n) { + return (PinName)((port << GPIO_PORT_SHIFT) | pin_n); +} + +void port_init(port_t *obj, PortName port, int mask, PinDirection dir) { + obj->port = port; + obj->mask = mask; + + // The function is set per pin: reuse gpio logic + for (uint32_t i = 0; i < 32; i++) { + if (obj->mask & (1 << i)) { + gpio_set(port_pin(obj->port, i)); + } + } + + port_dir(obj, dir); +} + +void port_mode(port_t *obj, PinMode mode) { + + // The mode is set per pin: reuse pinmap logic + for (uint32_t i = 0; i < 32; i++) { + if (obj->mask & (1 << i)) { + pin_mode(port_pin(obj->port, i), mode); + } + } +} + +void port_dir(port_t *obj, PinDirection dir) { + uint32_t port_addrs[] = PORT_BASE_ADDRS; + uint32_t direction = GPIO_HAL_GetPortDir(port_addrs[obj->port]); + switch (dir) { + case PIN_INPUT : + direction &= ~obj->mask; + GPIO_HAL_SetPortDir(port_addrs[obj->port], direction); + break; + case PIN_OUTPUT: + direction |= obj->mask; + GPIO_HAL_SetPortDir(port_addrs[obj->port], direction); + break; + } +} + +void port_write(port_t *obj, int value) { + uint32_t port_addrs[] = PORT_BASE_ADDRS; + uint32_t input = GPIO_HAL_ReadPortInput(port_addrs[obj->port]) & ~obj->mask; + GPIO_HAL_WritePortOutput(port_addrs[obj->port], input | (uint32_t)(value & obj->mask)); +} + +int port_read(port_t *obj) { + uint32_t port_addrs[] = PORT_BASE_ADDRS; + return (int)(GPIO_HAL_ReadPortInput(port_addrs[obj->port]) & obj->mask); +} + +#endif |