![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Catie fork
Dependencies: SDFileSystem X_NUCLEO_IKS01A1
Fork of ATT_AWS_IoT_demo by
WNCInterface/WncControllerK64F/MODSERIAL/GETC.cpp@29:537df716ba0b, 2017-04-05 (annotated)
- Committer:
- peyo
- Date:
- Wed Apr 05 16:05:41 2017 +0000
- Revision:
- 29:537df716ba0b
- Parent:
- 15:6f2798e45099
Use IKS01A1 sensors
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
ampembeng | 15:6f2798e45099 | 1 | /* |
ampembeng | 15:6f2798e45099 | 2 | Copyright (c) 2010 Andy Kirkham |
ampembeng | 15:6f2798e45099 | 3 | |
ampembeng | 15:6f2798e45099 | 4 | Permission is hereby granted, free of charge, to any person obtaining a copy |
ampembeng | 15:6f2798e45099 | 5 | of this software and associated documentation files (the "Software"), to deal |
ampembeng | 15:6f2798e45099 | 6 | in the Software without restriction, including without limitation the rights |
ampembeng | 15:6f2798e45099 | 7 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
ampembeng | 15:6f2798e45099 | 8 | copies of the Software, and to permit persons to whom the Software is |
ampembeng | 15:6f2798e45099 | 9 | furnished to do so, subject to the following conditions: |
ampembeng | 15:6f2798e45099 | 10 | |
ampembeng | 15:6f2798e45099 | 11 | The above copyright notice and this permission notice shall be included in |
ampembeng | 15:6f2798e45099 | 12 | all copies or substantial portions of the Software. |
ampembeng | 15:6f2798e45099 | 13 | |
ampembeng | 15:6f2798e45099 | 14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
ampembeng | 15:6f2798e45099 | 15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
ampembeng | 15:6f2798e45099 | 16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
ampembeng | 15:6f2798e45099 | 17 | AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
ampembeng | 15:6f2798e45099 | 18 | LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
ampembeng | 15:6f2798e45099 | 19 | OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
ampembeng | 15:6f2798e45099 | 20 | THE SOFTWARE. |
ampembeng | 15:6f2798e45099 | 21 | */ |
ampembeng | 15:6f2798e45099 | 22 | |
ampembeng | 15:6f2798e45099 | 23 | #include "MODSERIAL.h" |
ampembeng | 15:6f2798e45099 | 24 | #include "MACROS.h" |
ampembeng | 15:6f2798e45099 | 25 | |
ampembeng | 15:6f2798e45099 | 26 | namespace AjK { |
ampembeng | 15:6f2798e45099 | 27 | |
ampembeng | 15:6f2798e45099 | 28 | int |
ampembeng | 15:6f2798e45099 | 29 | MODSERIAL::__getc(bool block) |
ampembeng | 15:6f2798e45099 | 30 | { |
ampembeng | 15:6f2798e45099 | 31 | // If no buffer is in use fall back to standard RX FIFO usage. |
ampembeng | 15:6f2798e45099 | 32 | // Note, we must block in this case and ignore bool "block" |
ampembeng | 15:6f2798e45099 | 33 | // so as to maintain compat with Mbed Serial. |
ampembeng | 15:6f2798e45099 | 34 | if (buffer_size[RxIrq] == 0 || buffer[RxIrq] == (char *)NULL) { |
ampembeng | 15:6f2798e45099 | 35 | while(! MODSERIAL_READABLE ) ; |
ampembeng | 15:6f2798e45099 | 36 | return (int)(MODSERIAL_READ_REG & 0xFF); |
ampembeng | 15:6f2798e45099 | 37 | } |
ampembeng | 15:6f2798e45099 | 38 | |
ampembeng | 15:6f2798e45099 | 39 | if (block) { while ( MODSERIAL_RX_BUFFER_EMPTY ) ; } // Blocks. |
ampembeng | 15:6f2798e45099 | 40 | else if ( MODSERIAL_RX_BUFFER_EMPTY ) return -1; |
ampembeng | 15:6f2798e45099 | 41 | |
ampembeng | 15:6f2798e45099 | 42 | int c = buffer[RxIrq][buffer_out[RxIrq]]; |
ampembeng | 15:6f2798e45099 | 43 | buffer_out[RxIrq]++; |
ampembeng | 15:6f2798e45099 | 44 | if (buffer_out[RxIrq] >= buffer_size[RxIrq]) { |
ampembeng | 15:6f2798e45099 | 45 | buffer_out[RxIrq] = 0; |
ampembeng | 15:6f2798e45099 | 46 | } |
ampembeng | 15:6f2798e45099 | 47 | |
ampembeng | 15:6f2798e45099 | 48 | // If we have made space in the RX Buffer then copy over |
ampembeng | 15:6f2798e45099 | 49 | // any characters in the RX FIFO that my reside there. |
ampembeng | 15:6f2798e45099 | 50 | // Temporarily disable the RX IRQ so that we do not re-enter |
ampembeng | 15:6f2798e45099 | 51 | // it under interrupts. |
ampembeng | 15:6f2798e45099 | 52 | if ( ! MODSERIAL_RX_BUFFER_FULL ) { |
ampembeng | 15:6f2798e45099 | 53 | uint32_t irq_reg = MODSERIAL_IRQ_REG; |
ampembeng | 15:6f2798e45099 | 54 | DISABLE_RX_IRQ; |
ampembeng | 15:6f2798e45099 | 55 | isr_rx(); |
ampembeng | 15:6f2798e45099 | 56 | MODSERIAL_IRQ_REG = irq_reg; |
ampembeng | 15:6f2798e45099 | 57 | } |
ampembeng | 15:6f2798e45099 | 58 | |
ampembeng | 15:6f2798e45099 | 59 | __disable_irq(); |
ampembeng | 15:6f2798e45099 | 60 | buffer_count[RxIrq]--; |
ampembeng | 15:6f2798e45099 | 61 | __enable_irq(); |
ampembeng | 15:6f2798e45099 | 62 | return c; |
ampembeng | 15:6f2798e45099 | 63 | } |
ampembeng | 15:6f2798e45099 | 64 | |
ampembeng | 15:6f2798e45099 | 65 | }; // namespace AjK ends |
ampembeng | 15:6f2798e45099 | 66 |