mirror of https://github.com/probonopd/MiniDexed
Merge 7c601006bf into 768d763f73
BenZonneveld
3 years ago
committed by
GitHub
commit
5337027298
@ -1 +1 @@ |
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Subproject commit 8c677ceb4b3fb73f8643e30ff6cf4158dc8b9e53 |
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Subproject commit 28ef0da952b5c3b20204f14a56724290235b154d |
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@ -1 +1 @@ |
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Subproject commit 61cf3a47bf93628039078b7c840e44432e52343e |
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Subproject commit 09d328c28f831ffe8910104c21aff32fa1b08fd5 |
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export RPI=3 |
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export CLEAN="true" |
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export BUILDCIRCLE="true" |
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export PATH=$(readlink -f ./gcc-*/bin/):$PATH |
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# Build dependencies and MiniDexed |
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./build.sh |
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cp ./src/kernel*.img ./kernels/ |
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if [[ $? -ne 0 ]] ; then |
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exit |
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fi |
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# Get Raspberry Pi boot files |
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cd ./circle-stdlib/libs/circle/boot |
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make |
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if [ "${RPI}" -gt 2 ] |
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then |
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make armstub64 |
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fi |
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cd - |
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# Make zip that contains Raspberry Pi 4 boot files. The contents can be copied to a FAT32 formatted partition on a microSD card |
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#cd sdcard |
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#../getsysex.sh |
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#cd .. |
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cp -r ./circle-stdlib/libs/circle/boot/* sdcard |
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if [[ $? -ne 0 ]] ; then |
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exit |
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fi |
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rm -rf sdcard/config*.txt sdcard/README sdcard/Makefile sdcard/armstub sdcard/COPYING.linux |
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cp ./src/config.txt ./src/*img sdcard/ |
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if [[ $? -ne 0 ]] ; then |
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exit |
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fi |
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echo "usbspeed=full" > sdcard/cmdline.txt |
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cd sdcard |
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cp ../kernels/* . || true |
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if [[ $? -ne 0 ]] ; then |
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exit |
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fi |
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zip -r ../MiniDexed_$(date +%Y-%m-%d).zip * |
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cd - |
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@ -0,0 +1,186 @@ |
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//
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/// \file serial.h
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//
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// Circle - A C++ bare metal environment for Raspberry Pi
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// Copyright (C) 2014-2021 R. Stange <rsta2@o2online.de>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#ifndef _circle_serial_h |
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#define _circle_serial_h |
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#include <circle/device.h> |
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#include <circle/interrupt.h> |
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#include <circle/gpiopin.h> |
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#include <circle/spinlock.h> |
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#include <circle/sysconfig.h> |
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#include <circle/types.h> |
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/// \class CSerialDevice
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/// \brief Driver for PL011 UART
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///
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/// \details GPIO pin mapping (chip numbers)
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/// nDevice | TXD | RXD | Support
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/// :-----: | :----: | :----: | :------
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/// 0 | GPIO14 | GPIO15 | All boards
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/// ^ | GPIO32 | GPIO33 | Compute Modules
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/// ^ | GPIO36 | GPIO37 | Compute Modules
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/// 1 | | | None (AUX)
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/// 2 | GPIO0 | GPIO1 | Raspberry Pi 4 only
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/// 3 | GPIO4 | GPIO5 | Raspberry Pi 4 only
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/// 4 | GPIO8 | GPIO9 | Raspberry Pi 4 only
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/// 5 | GPIO12 | GPIO13 | Raspberry Pi 4 only
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/// GPIO32/33 and GPIO36/37 can be selected with system option SERIAL_GPIO_SELECT.\n
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/// GPIO0/1 are normally reserved for ID EEPROM.\n
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/// Handshake lines CTS and RTS are not supported.
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#if RASPPI < 4 |
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#define SERIAL_DEVICES 1 |
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#else |
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#define SERIAL_DEVICES 6 |
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#endif |
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#define SERIAL_BUF_SIZE 2048 // must be a power of 2
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#define SERIAL_BUF_MASK (SERIAL_BUF_SIZE-1) |
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// serial options
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#define SERIAL_OPTION_ONLCR 0 ///< Translate NL to NL+CR on output (default)
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// returned from Read/Write as negative value
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#define SERIAL_ERROR_BREAK 1 |
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#define SERIAL_ERROR_OVERRUN 2 |
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#define SERIAL_ERROR_FRAMING 3 |
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#define SERIAL_ERROR_PARITY 4 |
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class CSerialDevice : public CDevice |
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{ |
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public: |
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enum TParity |
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{ |
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ParityNone, |
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ParityOdd, |
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ParityEven, |
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ParityUnknown |
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}; |
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public: |
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#ifndef USE_RPI_STUB_AT |
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/// \param pInterruptSystem Pointer to interrupt system object (or 0 for polling driver)
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/// \param bUseFIQ Use FIQ instead of IRQ
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/// \param nDevice Device number (see: GPIO pin mapping)
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CSerialDevice (CInterruptSystem *pInterruptSystem = 0, boolean bUseFIQ = FALSE, |
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unsigned nDevice = 0); |
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~CSerialDevice (void); |
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#endif |
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/// \param nBaudrate Baud rate in bits per second
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/// \param nDataBits Number of data bits (5..8, default 8)
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/// \param nStopBits Number of stop bits (1..2, default 1)
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/// \param Parity Parity setting (ParityNone (default), ParityOdd or ParityEven)
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/// \return Operation successful?
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#ifndef USE_RPI_STUB_AT |
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boolean Initialize (unsigned nBaudrate = 115200, |
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unsigned nDataBits = 8, unsigned nStopBits = 1, |
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TParity Parity = ParityNone); |
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#else |
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boolean Initialize (unsigned nBaudrate = 115200); |
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#endif |
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/// \param pBuffer Pointer to data to be sent
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/// \param nCount Number of bytes to be sent
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/// \return Number of bytes successfully sent (< 0 on error)
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int Write (const void *pBuffer, size_t nCount); |
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#ifndef USE_RPI_STUB_AT |
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/// \param pBuffer Pointer to buffer for received data
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/// \param nCount Maximum number of bytes to be received
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/// \return Number of bytes received (0 no data available, < 0 on error)
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int Read (void *pBuffer, size_t nCount); |
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/// \return Serial options mask (see serial options)
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unsigned GetOptions (void) const; |
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/// \param nOptions Serial options mask (see serial options)
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void SetOptions (unsigned nOptions); |
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typedef void TMagicReceivedHandler (void); |
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/// \param pMagic String for which is searched in the received data\n
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/// (must remain valid after return from this method)
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/// \param pHandler Handler which is called, when the magic string is found
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/// \note Does only work with interrupt driver.
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void RegisterMagicReceivedHandler (const char *pMagic, TMagicReceivedHandler *pHandler); |
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protected: |
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/// \return Number of bytes buffer space available for Write()
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/// \note Does only work with interrupt driver.
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unsigned AvailableForWrite (void); |
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/// \return Number of bytes already received available for Read()
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/// \note Does only work with interrupt driver.
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unsigned AvailableForRead (void); |
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/// \return Next received byte which will be returned by Read() (-1 if no data available)
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/// \note Does only work with interrupt driver.
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int Peek (void); |
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/// \brief Waits until all written bytes have been sent out
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void Flush (void); |
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private: |
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boolean Write (u8 uchChar); |
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void InterruptHandler (void); |
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static void InterruptStub (void *pParam); |
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private: |
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CInterruptSystem *m_pInterruptSystem; |
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boolean m_bUseFIQ; |
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unsigned m_nDevice; |
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uintptr m_nBaseAddress; |
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boolean m_bValid; |
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#if SERIAL_GPIO_SELECT == 14 |
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CGPIOPin m_GPIO32; |
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CGPIOPin m_GPIO33; |
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#endif |
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CGPIOPin m_TxDPin; |
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CGPIOPin m_RxDPin; |
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u8 m_RxBuffer[SERIAL_BUF_SIZE]; |
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volatile unsigned m_nRxInPtr; |
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volatile unsigned m_nRxOutPtr; |
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volatile int m_nRxStatus; |
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u8 m_TxBuffer[SERIAL_BUF_SIZE]; |
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volatile unsigned m_nTxInPtr; |
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volatile unsigned m_nTxOutPtr; |
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unsigned m_nOptions; |
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const char *m_pMagic; |
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const char *m_pMagicPtr; |
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TMagicReceivedHandler *m_pMagicReceivedHandler; |
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CSpinLock m_SpinLock; |
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CSpinLock m_LineSpinLock; |
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static unsigned s_nInterruptUseCount; |
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static CInterruptSystem *s_pInterruptSystem; |
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static boolean s_bUseFIQ; |
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static volatile u32 s_nInterruptDeviceMask; |
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static CSerialDevice *s_pThis[SERIAL_DEVICES]; |
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#endif |
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}; |
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#endif |
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