Prof Greg Egan / Mbed 2 deprecated UAVXArm-GKE

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Dependencies:   mbed

Methods/.svn/text-base/sb_uart1.cpp.svn-base@1:1e3318a30ddd, 2011-02-25 (annotated)

Committer:
gke
Date:
Fri Feb 25 01:35:24 2011 +0000
Revision:
1:1e3318a30ddd
This version has broken I2C - posted for debugging involvement of Simon et al.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
gke 1:1e3318a30ddd 1 /*
gke 1:1e3318a30ddd 2 Copyright (c) 2010 Andy Kirkham
gke 1:1e3318a30ddd 3
gke 1:1e3318a30ddd 4 Permission is hereby granted, free of charge, to any person obtaining a copy
gke 1:1e3318a30ddd 5 of this software and associated documentation files (the "Software"), to deal
gke 1:1e3318a30ddd 6 in the Software without restriction, including without limitation the rights
gke 1:1e3318a30ddd 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
gke 1:1e3318a30ddd 8 copies of the Software, and to permit persons to whom the Software is
gke 1:1e3318a30ddd 9 furnished to do so, subject to the following conditions:
gke 1:1e3318a30ddd 10
gke 1:1e3318a30ddd 11 The above copyright notice and this permission notice shall be included in
gke 1:1e3318a30ddd 12 all copies or substantial portions of the Software.
gke 1:1e3318a30ddd 13
gke 1:1e3318a30ddd 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
gke 1:1e3318a30ddd 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
gke 1:1e3318a30ddd 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
gke 1:1e3318a30ddd 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
gke 1:1e3318a30ddd 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
gke 1:1e3318a30ddd 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
gke 1:1e3318a30ddd 20 THE SOFTWARE.
gke 1:1e3318a30ddd 21 */
gke 1:1e3318a30ddd 22
gke 1:1e3318a30ddd 23 #include "../SerialBuffered.h"
gke 1:1e3318a30ddd 24 #include "../sb_globals.h"
gke 1:1e3318a30ddd 25
gke 1:1e3318a30ddd 26 extern "C" void SerialBuffered_ISR(unsigned long, int);
gke 1:1e3318a30ddd 27
gke 1:1e3318a30ddd 28 extern "C" static void SerialBuffered_ISR_1(void) __irq { SerialBuffered_ISR(LPC_UART1_BASE, 1); }
gke 1:1e3318a30ddd 29
gke 1:1e3318a30ddd 30 void SerialBuffered::set_uart1(PinName tx, PinName rx) {
gke 1:1e3318a30ddd 31 unsigned ier = 0;
gke 1:1e3318a30ddd 32
gke 1:1e3318a30ddd 33 if (tx == NC && rx == NC) return; // Eh, why would one?
gke 1:1e3318a30ddd 34
gke 1:1e3318a30ddd 35 LPC_SC->PCONP |= (1UL << 4);
gke 1:1e3318a30ddd 36 LPC_SC->PCLKSEL0 &= ~(3UL << 8);
gke 1:1e3318a30ddd 37 LPC_SC->PCLKSEL0 |= (1UL << 8);
gke 1:1e3318a30ddd 38
gke 1:1e3318a30ddd 39 if (rx == p14) {
gke 1:1e3318a30ddd 40 set_rx_buffer_size(SERIALBUFFERED_BUFFER_SIZE);
gke 1:1e3318a30ddd 41 LPC_PINCON->PINSEL1 &= ~(3UL << 0);
gke 1:1e3318a30ddd 42 LPC_PINCON->PINSEL1 |= (1UL << 0);
gke 1:1e3318a30ddd 43 ier |= 1;
gke 1:1e3318a30ddd 44 }
gke 1:1e3318a30ddd 45 else if (rx == p25) {
gke 1:1e3318a30ddd 46 set_rx_buffer_size(SERIALBUFFERED_BUFFER_SIZE);
gke 1:1e3318a30ddd 47 LPC_PINCON->PINSEL4 &= ~(3UL << 2);
gke 1:1e3318a30ddd 48 LPC_PINCON->PINSEL4 |= (2UL << 2);
gke 1:1e3318a30ddd 49 ier |= 1;
gke 1:1e3318a30ddd 50 }
gke 1:1e3318a30ddd 51 else { reset_uart_rx(1); }
gke 1:1e3318a30ddd 52
gke 1:1e3318a30ddd 53 if (tx == p13) {
gke 1:1e3318a30ddd 54 set_tx_buffer_size(SERIALBUFFERED_BUFFER_SIZE);
gke 1:1e3318a30ddd 55 LPC_PINCON->PINSEL0 &= ~(3UL << 30);
gke 1:1e3318a30ddd 56 LPC_PINCON->PINSEL0 |= (1UL << 30);
gke 1:1e3318a30ddd 57 ier |= 2;
gke 1:1e3318a30ddd 58 }
gke 1:1e3318a30ddd 59 else if (tx == p26) {
gke 1:1e3318a30ddd 60 set_tx_buffer_size(SERIALBUFFERED_BUFFER_SIZE);
gke 1:1e3318a30ddd 61 LPC_PINCON->PINSEL4 &= ~(3UL << 0);
gke 1:1e3318a30ddd 62 LPC_PINCON->PINSEL4 |= (2UL << 0);
gke 1:1e3318a30ddd 63 ier |= 2;
gke 1:1e3318a30ddd 64 }
gke 1:1e3318a30ddd 65 else { reset_uart_tx(1); }
gke 1:1e3318a30ddd 66
gke 1:1e3318a30ddd 67 if (ier) {
gke 1:1e3318a30ddd 68 baud(9600);
gke 1:1e3318a30ddd 69 format(SerialBuffered::WordLength8, SerialBuffered::NoParity, SerialBuffered::StopBit1);
gke 1:1e3318a30ddd 70 LPC_UART1->FCR = 0x7;
gke 1:1e3318a30ddd 71 NVIC_SetVector(UART1_IRQn, (uint32_t)SerialBuffered_ISR_1);
gke 1:1e3318a30ddd 72 NVIC_EnableIRQ(UART1_IRQn);
gke 1:1e3318a30ddd 73 LPC_UART1->IER = ier;
gke 1:1e3318a30ddd 74 }
gke 1:1e3318a30ddd 75 }