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Diffstat (limited to 'FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/include/system.h')
| -rw-r--r-- | FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/include/system.h | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/include/system.h b/FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/include/system.h new file mode 100644 index 000000000..19f0f9c94 --- /dev/null +++ b/FreeRTOS/Demo/AVR_ATmega328PB_Xplained_mini_GCC/RTOSDemo/include/system.h @@ -0,0 +1,74 @@ + + +/** + * \file + * + * \brief Tinymega System related support + * + (c) 2018 Microchip Technology Inc. and its subsidiaries. + + Subject to your compliance with these terms,you may use this software and + any derivatives exclusively with Microchip products.It is your responsibility + to comply with third party license terms applicable to your use of third party + software (including open source software) that may accompany Microchip software. + + THIS SOFTWARE IS SUPPLIED BY MICROCHIP "AS IS". NO WARRANTIES, WHETHER + EXPRESS, IMPLIED OR STATUTORY, APPLY TO THIS SOFTWARE, INCLUDING ANY IMPLIED + WARRANTIES OF NON-INFRINGEMENT, MERCHANTABILITY, AND FITNESS FOR A + PARTICULAR PURPOSE. + + IN NO EVENT WILL MICROCHIP BE LIABLE FOR ANY INDIRECT, SPECIAL, PUNITIVE, + INCIDENTAL OR CONSEQUENTIAL LOSS, DAMAGE, COST OR EXPENSE OF ANY KIND + WHATSOEVER RELATED TO THE SOFTWARE, HOWEVER CAUSED, EVEN IF MICROCHIP HAS + BEEN ADVISED OF THE POSSIBILITY OR THE DAMAGES ARE FORESEEABLE. TO THE + FULLEST EXTENT ALLOWED BY LAW, MICROCHIP'S TOTAL LIABILITY ON ALL CLAIMS IN + ANY WAY RELATED TO THIS SOFTWARE WILL NOT EXCEED THE AMOUNT OF FEES, IF ANY, + THAT YOU HAVE PAID DIRECTLY TO MICROCHIP FOR THIS SOFTWARE. + */ + +/** + * \addtogroup doc_driver_system + * + * \section doc_driver_system_rev Revision History + * - v0.0.0.1 Initial Commit + * + *@{ + */ + +#ifndef SYSTEM_INCLUDED +#define SYSTEM_INCLUDED + +#include "port.h" +#include <protected_io.h> +#ifdef __cplusplus +extern "C" { +#endif + +#define MCU_RESET_CAUSE_POR (1 << PORF) +#define MCU_RESET_CAUSE_EXT (1 << EXTRF) +#define MCU_RESET_CAUSE_BOR (1 << BORF) +#define MCU_RESET_CAUSE_WDT (1 << WDRF) + +static inline void mcu_init(void) +{ + /* On AVR devices all peripherals are enabled from power on reset, this + * disables all peripherals to save power. Driver shall enable + * peripheral if used */ + + PRR1 = (1 << PRTWI1) | (1 << PRTIM4) | (1 << PRSPI1) | (1 << PRPTC) | (1 << PRTIM3); + + PRR0 = (1 << PRTIM2) | (1 << PRTIM0) | (1 << PRTIM1) | (1 << PRTWI0) | (1 << PRUSART1) | (1 << PRUSART0) + | (1 << PRADC) | (1 << PRSPI0); + + /* Set all pins to low power mode */ + PORTB_set_port_dir(0xff, PORT_DIR_OFF); + PORTC_set_port_dir(0x7f, PORT_DIR_OFF); + PORTD_set_port_dir(0xff, PORT_DIR_OFF); + PORTE_set_port_dir(0x0f, PORT_DIR_OFF); +} + +#ifdef __cplusplus +} +#endif + +#endif /* SYSTEM_INCLUDED */ |