nrf: add support for nrf52833
This adds preliminary support for the nRF52833, which is a variant of the nRF52840 with half the RAM, half the flash, and fewer peripherals. Signed-off-by: Sean Cross <sean@xobs.io>simmel
parent
4ad1cbeea3
commit
3289d33068
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2017 Glenn Ruben Bakke
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
|
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include <stdint.h>
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extern uint32_t _estack;
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extern uint32_t _sidata;
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extern uint32_t _sdata;
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extern uint32_t _edata;
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extern uint32_t _sbss;
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extern uint32_t _ebss;
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typedef void (*func)(void);
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#define _start main
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extern void _start(void) __attribute__((noreturn));
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extern void SystemInit(void);
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void Default_Handler(void) {
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while (1);
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}
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void Reset_Handler(void) {
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uint32_t * p_src = &_sidata;
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uint32_t * p_dest = &_sdata;
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while (p_dest < &_edata) {
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*p_dest++ = *p_src++;
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}
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uint32_t * p_bss = &_sbss;
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uint32_t * p_bss_end = &_ebss;
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while (p_bss < p_bss_end) {
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*p_bss++ = 0ul;
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}
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SystemInit();
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_start();
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}
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void NMI_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void HardFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void MemoryManagement_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void BusFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void UsageFault_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SVC_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void DebugMon_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PendSV_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SysTick_Handler (void) __attribute__ ((weak, alias("Default_Handler")));
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void POWER_CLOCK_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RADIO_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void UARTE0_UART0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void NFCT_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void GPIOTE_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SAADC_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RTC0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TEMP_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RNG_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void ECB_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void CCM_AAR_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void WDT_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RTC1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void QDEC_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void COMP_LPCOMP_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI0_EGU0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI1_EGU1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI2_EGU2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI3_EGU3_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI4_EGU4_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SWI5_EGU5_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER3_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void TIMER4_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PWM0_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PDM_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void MWU_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PWM1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PWM2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SPIM2_SPIS2_SPI2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void RTC2_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void I2S_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void FPU_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void USBD_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void UARTE1_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void PWM3_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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void SPIM3_IRQHandler (void) __attribute__ ((weak, alias("Default_Handler")));
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const func __Vectors[] __attribute__ ((used, section(".isr_vector"))) = {
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(func)&_estack,
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Reset_Handler,
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NMI_Handler,
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HardFault_Handler,
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MemoryManagement_Handler,
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BusFault_Handler,
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UsageFault_Handler,
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0,
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0,
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0,
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0,
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SVC_Handler,
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DebugMon_Handler,
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0,
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PendSV_Handler,
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SysTick_Handler,
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/* External Interrupts */
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POWER_CLOCK_IRQHandler,
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RADIO_IRQHandler,
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UARTE0_UART0_IRQHandler,
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SPIM0_SPIS0_TWIM0_TWIS0_SPI0_TWI0_IRQHandler,
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SPIM1_SPIS1_TWIM1_TWIS1_SPI1_TWI1_IRQHandler,
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NFCT_IRQHandler,
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GPIOTE_IRQHandler,
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SAADC_IRQHandler,
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TIMER0_IRQHandler,
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TIMER1_IRQHandler,
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TIMER2_IRQHandler,
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RTC0_IRQHandler,
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TEMP_IRQHandler,
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RNG_IRQHandler,
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ECB_IRQHandler,
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CCM_AAR_IRQHandler,
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WDT_IRQHandler,
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RTC1_IRQHandler,
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QDEC_IRQHandler,
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COMP_LPCOMP_IRQHandler,
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SWI0_EGU0_IRQHandler,
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SWI1_EGU1_IRQHandler,
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SWI2_EGU2_IRQHandler,
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SWI3_EGU3_IRQHandler,
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SWI4_EGU4_IRQHandler,
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SWI5_EGU5_IRQHandler,
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TIMER3_IRQHandler,
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TIMER4_IRQHandler,
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PWM0_IRQHandler,
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PDM_IRQHandler,
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0,
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0,
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MWU_IRQHandler,
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PWM1_IRQHandler,
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PWM2_IRQHandler,
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SPIM2_SPIS2_SPI2_IRQHandler,
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RTC2_IRQHandler,
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I2S_IRQHandler,
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FPU_IRQHandler,
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USBD_IRQHandler,
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UARTE1_IRQHandler,
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0,
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0,
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0,
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0,
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PWM3_IRQHandler,
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0,
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SPIM3_IRQHandler,
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};
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@ -0,0 +1,72 @@
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Dan Halbert for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#include "py/obj.h"
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#include "py/mphal.h"
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#include "nrf/pins.h"
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const mcu_pin_obj_t pin_P0_00 = PIN(P0_00, 0, 0, 0);
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const mcu_pin_obj_t pin_P0_01 = PIN(P0_01, 0, 1, 0);
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const mcu_pin_obj_t pin_P0_02 = PIN(P0_02, 0, 2, SAADC_CH_PSELP_PSELP_AnalogInput0);
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const mcu_pin_obj_t pin_P0_03 = PIN(P0_03, 0, 3, SAADC_CH_PSELP_PSELP_AnalogInput1);
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const mcu_pin_obj_t pin_P0_04 = PIN(P0_04, 0, 4, SAADC_CH_PSELP_PSELP_AnalogInput2);
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const mcu_pin_obj_t pin_P0_05 = PIN(P0_05, 0, 5, SAADC_CH_PSELP_PSELP_AnalogInput3);
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const mcu_pin_obj_t pin_P0_06 = PIN(P0_06, 0, 6, 0);
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const mcu_pin_obj_t pin_P0_07 = PIN(P0_07, 0, 7, 0);
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const mcu_pin_obj_t pin_P0_08 = PIN(P0_08, 0, 8, 0);
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const mcu_pin_obj_t pin_P0_09 = PIN(P0_09, 0, 9, 0);
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const mcu_pin_obj_t pin_P0_10 = PIN(P0_10, 0, 10, 0);
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const mcu_pin_obj_t pin_P0_11 = PIN(P0_11, 0, 11, 0);
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const mcu_pin_obj_t pin_P0_12 = PIN(P0_12, 0, 12, 0);
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const mcu_pin_obj_t pin_P0_13 = PIN(P0_13, 0, 13, 0);
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const mcu_pin_obj_t pin_P0_14 = PIN(P0_14, 0, 14, 0);
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const mcu_pin_obj_t pin_P0_15 = PIN(P0_15, 0, 15, 0);
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const mcu_pin_obj_t pin_P0_16 = PIN(P0_16, 0, 16, 0);
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const mcu_pin_obj_t pin_P0_17 = PIN(P0_17, 0, 17, 0);
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const mcu_pin_obj_t pin_P0_18 = PIN(P0_18, 0, 18, 0);
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const mcu_pin_obj_t pin_P0_19 = PIN(P0_19, 0, 19, 0);
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const mcu_pin_obj_t pin_P0_20 = PIN(P0_20, 0, 20, 0);
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const mcu_pin_obj_t pin_P0_21 = PIN(P0_21, 0, 21, 0);
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const mcu_pin_obj_t pin_P0_22 = PIN(P0_22, 0, 22, 0);
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const mcu_pin_obj_t pin_P0_23 = PIN(P0_23, 0, 23, 0);
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const mcu_pin_obj_t pin_P0_24 = PIN(P0_24, 0, 24, 0);
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const mcu_pin_obj_t pin_P0_25 = PIN(P0_25, 0, 25, 0);
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const mcu_pin_obj_t pin_P0_26 = PIN(P0_26, 0, 26, 0);
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const mcu_pin_obj_t pin_P0_27 = PIN(P0_27, 0, 27, 0);
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const mcu_pin_obj_t pin_P0_28 = PIN(P0_28, 0, 28, SAADC_CH_PSELP_PSELP_AnalogInput4);
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const mcu_pin_obj_t pin_P0_29 = PIN(P0_29, 0, 29, SAADC_CH_PSELP_PSELP_AnalogInput5);
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const mcu_pin_obj_t pin_P0_30 = PIN(P0_30, 0, 30, SAADC_CH_PSELP_PSELP_AnalogInput6);
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const mcu_pin_obj_t pin_P0_31 = PIN(P0_31, 0, 31, SAADC_CH_PSELP_PSELP_AnalogInput7);
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const mcu_pin_obj_t pin_P1_00 = PIN(P1_00, 1, 0, 0);
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const mcu_pin_obj_t pin_P1_01 = PIN(P1_01, 1, 1, 0);
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const mcu_pin_obj_t pin_P1_02 = PIN(P1_02, 1, 2, 0);
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const mcu_pin_obj_t pin_P1_03 = PIN(P1_03, 1, 3, 0);
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const mcu_pin_obj_t pin_P1_04 = PIN(P1_04, 1, 4, 0);
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const mcu_pin_obj_t pin_P1_05 = PIN(P1_05, 1, 5, 0);
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const mcu_pin_obj_t pin_P1_06 = PIN(P1_06, 1, 6, 0);
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const mcu_pin_obj_t pin_P1_07 = PIN(P1_07, 1, 7, 0);
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const mcu_pin_obj_t pin_P1_08 = PIN(P1_08, 1, 8, 0);
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const mcu_pin_obj_t pin_P1_09 = PIN(P1_09, 1, 9, 0);
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@ -0,0 +1,73 @@
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/*
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* This file is part of the MicroPython project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 by Dan Halbert for Adafruit Industries
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
|
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
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* copies of the Software, and to permit persons to whom the Software is
|
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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#ifndef MICROPY_INCLUDED_NRF_PERIPHERALS_NRF52833_PINS_H
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#define MICROPY_INCLUDED_NRF_PERIPHERALS_NRF52833_PINS_H
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extern const mcu_pin_obj_t pin_P0_00;
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extern const mcu_pin_obj_t pin_P0_01;
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extern const mcu_pin_obj_t pin_P0_02;
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extern const mcu_pin_obj_t pin_P0_03;
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extern const mcu_pin_obj_t pin_P0_04;
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extern const mcu_pin_obj_t pin_P0_05;
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extern const mcu_pin_obj_t pin_P0_06;
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extern const mcu_pin_obj_t pin_P0_07;
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extern const mcu_pin_obj_t pin_P0_08;
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extern const mcu_pin_obj_t pin_P0_09;
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extern const mcu_pin_obj_t pin_P0_10;
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extern const mcu_pin_obj_t pin_P0_11;
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extern const mcu_pin_obj_t pin_P0_12;
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extern const mcu_pin_obj_t pin_P0_13;
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extern const mcu_pin_obj_t pin_P0_14;
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extern const mcu_pin_obj_t pin_P0_15;
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extern const mcu_pin_obj_t pin_P0_16;
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extern const mcu_pin_obj_t pin_P0_17;
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extern const mcu_pin_obj_t pin_P0_18;
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extern const mcu_pin_obj_t pin_P0_19;
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extern const mcu_pin_obj_t pin_P0_20;
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extern const mcu_pin_obj_t pin_P0_21;
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extern const mcu_pin_obj_t pin_P0_22;
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extern const mcu_pin_obj_t pin_P0_23;
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extern const mcu_pin_obj_t pin_P0_24;
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extern const mcu_pin_obj_t pin_P0_25;
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extern const mcu_pin_obj_t pin_P0_26;
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extern const mcu_pin_obj_t pin_P0_27;
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extern const mcu_pin_obj_t pin_P0_28;
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extern const mcu_pin_obj_t pin_P0_29;
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extern const mcu_pin_obj_t pin_P0_30;
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extern const mcu_pin_obj_t pin_P0_31;
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extern const mcu_pin_obj_t pin_P1_00;
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extern const mcu_pin_obj_t pin_P1_01;
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extern const mcu_pin_obj_t pin_P1_02;
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extern const mcu_pin_obj_t pin_P1_03;
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extern const mcu_pin_obj_t pin_P1_04;
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extern const mcu_pin_obj_t pin_P1_05;
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extern const mcu_pin_obj_t pin_P1_06;
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extern const mcu_pin_obj_t pin_P1_07;
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extern const mcu_pin_obj_t pin_P1_08;
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extern const mcu_pin_obj_t pin_P1_09;
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#endif // MICROPY_INCLUDED_NRF_PERIPHERALS_NRF52833_PINS_H
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@ -0,0 +1,50 @@
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/*
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* This file is part of the Micro Python project, http://micropython.org/
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*
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* The MIT License (MIT)
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*
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* Copyright (c) 2018 Dan Halbert for Adafruit Industries
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*
|
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* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||||
* of this software and associated documentation files (the "Software"), to deal
|
||||
* in the Software without restriction, including without limitation the rights
|
||||
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||||
* copies of the Software, and to permit persons to whom the Software is
|
||||
* furnished to do so, subject to the following conditions:
|
||||
*
|
||||
* The above copyright notice and this permission notice shall be included in
|
||||
* all copies or substantial portions of the Software.
|
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*
|
||||
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||||
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||||
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||||
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||||
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||||
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||||
* THE SOFTWARE.
|
||||
*/
|
||||
|
||||
#include "nrfx.h"
|
||||
#include "hal/nrf_nvmc.h"
|
||||
|
||||
void nrf_peripherals_power_init(void) {
|
||||
// Set GPIO reference voltage to 3.3V if it isn't already. REGOUT0 will get reset to 0xfffffff
|
||||
// if flash is erased, which sets the default to 1.8V
|
||||
// This matters only when "high voltage mode" is enabled, which is true on the PCA10059,
|
||||
// and might be true on other boards.
|
||||
if (NRF_UICR->REGOUT0 == 0xffffffff && NRF_POWER->MAINREGSTATUS & 1) {
|
||||
// Expand what nrf_nvmc_word_write() did.
|
||||
// It's missing from nrfx V2.0.0, and nrfx_nvmc_word_write() does bounds
|
||||
// checking which prevents writes to UICR.
|
||||
// Reported: https://devzone.nordicsemi.com/f/nordic-q-a/57243/nrfx_nvmc-h-api-cannot-write-to-uicr
|
||||
NRF_NVMC->CONFIG = NRF_NVMC_MODE_WRITE;
|
||||
while (!(NRF_NVMC->READY & NVMC_READY_READY_Msk)) {}
|
||||
NRF_UICR->REGOUT0 = UICR_REGOUT0_VOUT_3V3 << UICR_REGOUT0_VOUT_Pos;
|
||||
__DMB();
|
||||
while (NRF_NVMC->READY == NVMC_READY_READY_Busy) {}
|
||||
NRF_NVMC->CONFIG = NRF_NVMC_MODE_READONLY;
|
||||
|
||||
// Must reset to enable change.
|
||||
NVIC_SystemReset();
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue