added prescaler for 16 bit pwm in LPC1347 target
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Diff: targets/hal/TARGET_NUVOTON/nu_miscutil.c
- Revision:
- 144:ef7eb2e8f9f7
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/targets/hal/TARGET_NUVOTON/nu_miscutil.c Fri Sep 02 15:07:44 2016 +0100 @@ -0,0 +1,61 @@ +/* mbed Microcontroller Library + * Copyright (c) 2015-2016 Nuvoton + * + * 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 "mbed_assert.h" +#include "PinNames.h" +#include "nu_miscutil.h" + +void nu_nop(uint32_t n) +{ + uint32_t times = n / 10; + uint32_t rmn = n % 10; + + while (times --) { + __NOP(); + __NOP(); + __NOP(); + __NOP(); + __NOP(); + __NOP(); + __NOP(); + __NOP(); + __NOP(); + __NOP(); + } + + switch (rmn) { + case 9: + __NOP(); + case 8: + __NOP(); + case 7: + __NOP(); + case 6: + __NOP(); + case 5: + __NOP(); + case 4: + __NOP(); + case 3: + __NOP(); + case 2: + __NOP(); + case 1: + __NOP(); + default: + break; + } +}