281 lines
8.5 KiB
C
281 lines
8.5 KiB
C
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/**************************************************************************/
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/*!
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@file sysinit.c
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@author K. Townsend (microBuilder.eu)
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@date 22 March 2010
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@version 0.10
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2010, microBuilder SARL
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/**************************************************************************/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "sysinit.h"
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#include "core/cpu/cpu.h"
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#include "core/pmu/pmu.h"
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#include "core/adc/adc.h"
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#ifdef CFG_PRINTF_UART
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#include "core/uart/uart.h"
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#endif
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#ifdef CFG_INTERFACE
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#include "core/cmd/cmd.h"
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#endif
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#ifdef CFG_CHIBI
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#include "drivers/chibi/chb.h"
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#endif
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#ifdef CFG_USBHID
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#include "core/usbhid-rom/usbhid.h"
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#endif
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#ifdef CFG_USBCDC
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volatile unsigned int lastTick;
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#include "core/usbcdc/usb.h"
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#include "core/usbcdc/usbcore.h"
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#include "core/usbcdc/usbhw.h"
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#include "core/usbcdc/cdcuser.h"
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#include "core/usbcdc/cdc_buf.h"
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#endif
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#ifdef CFG_ST7565
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#include "drivers/lcd/bitmap/st7565/st7565.h"
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#include "drivers/lcd/smallfonts.h"
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#endif
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#ifdef CFG_SSD1306
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#include "drivers/lcd/bitmap/ssd1306/ssd1306.h"
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#include "drivers/lcd/smallfonts.h"
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#endif
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#ifdef CFG_TFTLCD
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#include "drivers/lcd/tft/lcd.h"
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#include "drivers/lcd/tft/touchscreen.h"
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#include "drivers/lcd/tft/drawing.h"
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#endif
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#ifdef CFG_I2CEEPROM
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#include "drivers/eeprom/mcp24aa/mcp24aa.h"
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#include "drivers/eeprom/eeprom.h"
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#endif
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#ifdef CFG_PWM
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#include "core/pwm/pwm.h"
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#endif
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#ifdef CFG_SDCARD
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#include "core/ssp/ssp.h"
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#include "drivers/fatfs/diskio.h"
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#include "drivers/fatfs/ff.h"
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DWORD get_fattime ()
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{
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// ToDo!
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return 0;
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}
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#endif
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/**************************************************************************/
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/*!
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Configures the core system clock and sets up any mandatory
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peripherals like the systick timer, UART for printf, etc.
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This function should set the HW to the default state you wish to be
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in coming out of reset/startup, such as disabling or enabling LEDs,
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setting specific pin states, etc.
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*/
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/**************************************************************************/
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void systemInit()
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{
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cpuInit(); // Configure the CPU
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systickInit(CFG_SYSTICK_DELAY_IN_MS); // Start systick timer
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gpioInit(); // Enable GPIO
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pmuInit(); // Configure power management
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adcInit(); // Config adc pins to save power
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// Set LED pin as output and turn LED off
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gpioSetDir(CFG_LED_PORT, CFG_LED_PIN, 1);
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gpioSetValue(CFG_LED_PORT, CFG_LED_PIN, CFG_LED_OFF);
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// Initialise EEPROM
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#ifdef CFG_I2CEEPROM
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mcp24aaInit();
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#endif
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// Initialise UART with the default baud rate
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#ifdef CFG_PRINTF_UART
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uint32_t uart = eepromReadU32(CFG_EEPROM_UART_SPEED);
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if ((uart == 0xFFFFFFFF) || (uart > 115200))
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{
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uartInit(CFG_UART_BAUDRATE); // Use default baud rate
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}
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else
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{
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uartInit(uart); // Use baud rate from EEPROM
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}
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#endif
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// Initialise PWM (requires 16-bit Timer 1 and P1.9)
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#ifdef CFG_PWM
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pwmInit();
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#endif
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// Initialise USB HID
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#ifdef CFG_USBHID
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usbHIDInit();
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#endif
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// Initialise USB CDC
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#ifdef CFG_USBCDC
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lastTick = systickGetTicks(); // Used to control output/printf timing
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CDC_Init(); // Initialise VCOM
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USB_Init(); // USB Initialization
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USB_Connect(TRUE); // USB Connect
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// Wait until USB is configured or timeout occurs
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uint32_t usbTimeout = 0;
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while ( usbTimeout < CFG_USBCDC_INITTIMEOUT / 10 )
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{
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if (USB_Configuration) break;
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systickDelay(10); // Wait 10ms
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usbTimeout++;
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}
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#endif
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// Printf can now be used with UART or USBCDC
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// Initialise the ST7565 128x64 pixel display
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#ifdef CFG_ST7565
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st7565Init();
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st7565ClearScreen(); // Clear the screen
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st7565Backlight(1); // Enable the backlight
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#endif
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// Initialise the SSD1306 OLED display
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#ifdef CFG_SSD1306
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ssd1306Init(SSD1306_SWITCHCAPVCC);
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ssd1306ClearScreen(); // Clear the screen
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#endif
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// Initialise TFT LCD Display
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#ifdef CFG_TFTLCD
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lcdInit();
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#endif
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// Initialise Chibi
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// Warning: CFG_CHIBI must be disabled if no antenna is connected,
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// otherwise the SW will halt during initialisation
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#ifdef CFG_CHIBI
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// Write addresses to EEPROM for the first time if necessary
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// uint16_t addr_short = 0x0025;
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// uint64_t addr_ieee = 0x0000000000000025;
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// mcp24aaWriteBuffer(CFG_EEPROM_CHIBI_SHORTADDR, (uint8_t *)&addr_short, 2);
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// mcp24aaWriteBuffer(CFG_EEPROM_CHIBI_IEEEADDR, (uint8_t *)&addr_ieee, 8);
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chb_init();
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// chb_pcb_t *pcb = chb_get_pcb();
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// printf("%-40s : 0x%04X%s", "Chibi Initialised", pcb->src_addr, CFG_PRINTF_NEWLINE);
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#endif
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// Start the command line interface
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#ifdef CFG_INTERFACE
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cmdInit();
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#endif
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}
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/**************************************************************************/
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/*!
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@brief Sends a single byte to a pre-determined peripheral (UART, etc.).
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@param[in] byte
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Byte value to send
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*/
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/**************************************************************************/
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void __putchar(const char c)
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{
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#ifdef CFG_PRINTF_UART
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// Send output to UART
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uartSendByte(c);
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#endif
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}
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#ifdef CFG_USBCDC
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/**************************************************************************/
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/*!
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@brief Sends a string to a pre-determined end point (UART, etc.).
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@param[in] str
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Text to send
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@note This function is only called when using the GCC-compiler
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in Codelite or running the Makefile manually. This function
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will not be called when using the C library in Crossworks for
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ARM.
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*/
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/**************************************************************************/
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int puts(const char * str)
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{
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// There must be at least 1ms between USB frames (of up to 64 bytes)
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// This buffers all data and writes it out from the buffer one frame
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// and one millisecond at a time
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#ifdef CFG_PRINTF_USBCDC
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if (USB_Configuration)
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{
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while(*str)
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cdcBufferWrite(*str++);
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// Check if we can flush the buffer now or if we need to wait
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unsigned int currentTick = systickGetTicks();
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if (currentTick != lastTick)
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{
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uint8_t frame[64];
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uint32_t bytesRead = 0;
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while (cdcBufferDataPending())
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{
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// Read up to 64 bytes as long as possible
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bytesRead = cdcBufferReadLen(frame, 64);
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USB_WriteEP (CDC_DEP_IN, frame, bytesRead);
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systickDelay(1);
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}
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lastTick = currentTick;
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}
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}
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#else
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// Handle output character by character in __putchar
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while(*str) __putchar(*str++);
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#endif
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return 0;
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}
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#endif
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