merge samd51 and same5x

This commit is contained in:
hathach 2024-05-03 15:15:27 +07:00
parent 1cf68f98b3
commit 4b86b49260
No known key found for this signature in database
GPG Key ID: 26FAB84F615C3C52
36 changed files with 403 additions and 749 deletions

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@ -36,7 +36,7 @@ jobs:
family:
# Alphabetical order
- 'mm32'
- 'samd11 same5x'
- 'same5x'
- 'tm4c123 xmc4000'
steps:
- name: Setup Python

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@ -48,7 +48,7 @@ jobs:
- 'nrf'
- 'ra'
- 'rp2040'
- 'samd21 saml2x samd51'
- 'samd11 samd21 saml2x samd51'
- 'stm32f0'
- 'stm32f1'
- 'stm32f2'

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@ -1,7 +1,7 @@
include_guard()
set(MCU_VARIANT samd11)
set(SDK_DIR ${TOP}/hw/mcu/microchip/${MCU_VARIANT})
set(SAM_FAMILY samd11)
set(SDK_DIR ${TOP}/hw/mcu/microchip/${SAM_FAMILY})
set(CMSIS_5 ${TOP}/lib/CMSIS_5)
include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
@ -27,11 +27,11 @@ function(add_board_target BOARD_TARGET)
message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
endif ()
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_${MCU_VARIANT}.c)
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_${SAM_FAMILY}.c)
set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
add_library(${BOARD_TARGET} STATIC
${SDK_DIR}/gcc/system_${MCU_VARIANT}.c
${SDK_DIR}/gcc/system_${SAM_FAMILY}.c
${SDK_DIR}/hal/src/hal_atomic.c
${SDK_DIR}/hpl/gclk/hpl_gclk.c
${SDK_DIR}/hpl/pm/hpl_pm.c

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@ -0,0 +1,13 @@
set(SAM_FAMILY same51)
set(JLINK_DEVICE ATSAME51J19)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/same51j19a_flash.ld)
function(update_board TARGET)
target_compile_definitions(${TARGET} PUBLIC
__SAME51J19A__
SVC_Handler=SVCall_Handler
CONF_CPU_FREQUENCY=80000000
CONF_GCLK_USB_FREQUENCY=48000000
)
endfunction()

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@ -0,0 +1,198 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2020, Ha Thach (tinyusb.org)
*
* 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.
*
* 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.
*
* This file is part of the TinyUSB stack.
*/
#ifndef BOARD_H_
#define BOARD_H_
#ifdef __cplusplus
extern "C" {
#endif
// LED
#define LED_PIN PIN_PA02
#define LED_STATE_ON 1
// Button: no button
// UART: HWREV < 3: SERCOM5 on PB02, otherwise SERCOM0 on PA08
// XTAL configure is also different for HWREV as well
#if 0
static inline void init_clock(void) {
/* AUTOWS is enabled by default in REG_NVMCTRL_CTRLA - no need to change the number of wait states when changing the core clock */
#if HWREV == 1
/* configure XOSC1 for a 16MHz crystal connected to XIN1/XOUT1 */
OSCCTRL->XOSCCTRL[1].reg =
OSCCTRL_XOSCCTRL_STARTUP(6) | // 1,953 ms
OSCCTRL_XOSCCTRL_RUNSTDBY |
OSCCTRL_XOSCCTRL_ENALC |
OSCCTRL_XOSCCTRL_IMULT(4) |
OSCCTRL_XOSCCTRL_IPTAT(3) |
OSCCTRL_XOSCCTRL_XTALEN |
OSCCTRL_XOSCCTRL_ENABLE;
while(0 == OSCCTRL->STATUS.bit.XOSCRDY1);
OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(3) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC1_Val); /* pre-scaler = 8, input = XOSC1 */
OSCCTRL->Dpll[0].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(39); /* multiply by 40 -> 80 MHz */
OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */
OSCCTRL->Dpll[1].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(7) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC1_Val); /* pre-scaler = 16, input = XOSC1 */
OSCCTRL->Dpll[1].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(47); /* multiply by 48 -> 48 MHz */
OSCCTRL->Dpll[1].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[1].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL1 to be ready */
#else // HWREV >= 1
/* configure XOSC0 for a 16MHz crystal connected to XIN0/XOUT0 */
OSCCTRL->XOSCCTRL[0].reg =
OSCCTRL_XOSCCTRL_STARTUP(6) | // 1,953 ms
OSCCTRL_XOSCCTRL_RUNSTDBY |
OSCCTRL_XOSCCTRL_ENALC |
OSCCTRL_XOSCCTRL_IMULT(4) |
OSCCTRL_XOSCCTRL_IPTAT(3) |
OSCCTRL_XOSCCTRL_XTALEN |
OSCCTRL_XOSCCTRL_ENABLE;
while (0 == OSCCTRL->STATUS.bit.XOSCRDY0);
OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(3) | OSCCTRL_DPLLCTRLB_REFCLK(
OSCCTRL_DPLLCTRLB_REFCLK_XOSC0_Val); /* pre-scaler = 8, input = XOSC1 */
OSCCTRL->Dpll[0].DPLLRATIO.reg =
OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(39); /* multiply by 40 -> 80 MHz */
OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while (0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */
OSCCTRL->Dpll[1].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(7) | OSCCTRL_DPLLCTRLB_REFCLK(
OSCCTRL_DPLLCTRLB_REFCLK_XOSC0_Val); /* pre-scaler = 16, input = XOSC1 */
OSCCTRL->Dpll[1].DPLLRATIO.reg =
OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(47); /* multiply by 48 -> 48 MHz */
OSCCTRL->Dpll[1].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while (0 == OSCCTRL->Dpll[1].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL1 to be ready */
#endif // HWREV
/* configure clock-generator 0 to use DPLL0 as source -> GCLK0 is used for the core */
GCLK->GENCTRL[0].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL0 | /* DPLL0 */
GCLK_GENCTRL_IDC;
while (1 == GCLK->SYNCBUSY.bit.GENCTRL0); /* wait for the synchronization between clock domains to be complete */
/* configure clock-generator 1 to use DPLL1 as source -> for use with some peripheral */
GCLK->GENCTRL[1].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL1 |
GCLK_GENCTRL_IDC;
while (1 == GCLK->SYNCBUSY.bit.GENCTRL1); /* wait for the synchronization between clock domains to be complete */
/* configure clock-generator 2 to use DPLL0 as source -> for use with SERCOM */
GCLK->GENCTRL[2].reg =
GCLK_GENCTRL_DIV(1) | /* 80MHz */
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL0 |
GCLK_GENCTRL_IDC;
while (1 == GCLK->SYNCBUSY.bit.GENCTRL2); /* wait for the synchronization between clock domains to be complete */
}
static inline void uart_init(void) {
#if HWREV < 3
/* configure SERCOM5 on PB02 */
PORT->Group[1].WRCONFIG.reg =
PORT_WRCONFIG_WRPINCFG |
PORT_WRCONFIG_WRPMUX |
PORT_WRCONFIG_PMUX(3) | /* function D */
PORT_WRCONFIG_DRVSTR |
PORT_WRCONFIG_PINMASK(0x0004) | /* PB02 */
PORT_WRCONFIG_PMUXEN;
MCLK->APBDMASK.bit.SERCOM5_ = 1;
GCLK->PCHCTRL[SERCOM5_GCLK_ID_CORE].reg =
GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN; /* setup SERCOM to use GLCK2 -> 80MHz */
SERCOM5->USART.CTRLA.reg = 0x00; /* disable SERCOM -> enable config */
while (SERCOM5->USART.SYNCBUSY.bit.ENABLE);
SERCOM5->USART.CTRLA.reg = /* CMODE = 0 -> async, SAMPA = 0, FORM = 0 -> USART frame, SMPR = 0 -> arithmetic baud rate */
SERCOM_USART_CTRLA_SAMPR(1) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */
// SERCOM_USART_CTRLA_FORM(0) | /* 0 = USART Frame, 2 = LIN Master */
SERCOM_USART_CTRLA_DORD | /* LSB first */
SERCOM_USART_CTRLA_MODE(1) | /* 0 = Asynchronous, 1 = USART with internal clock */
SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */
SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */
SERCOM5->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */
SERCOM_USART_CTRLB_TXEN; /* transmitter enabled */
SERCOM5->USART.CTRLC.reg = 0x00;
// 21.701388889 @ baud rate of 230400 bit/s, table 33-2, p 918 of DS60001507E
SERCOM5->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(7) | SERCOM_USART_BAUD_FRAC_BAUD(21);
// SERCOM5->USART.INTENSET.reg = SERCOM_USART_INTENSET_TXC;
SERCOM5->SPI.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
while (SERCOM5->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */
#else
/* configure SERCOM0 on PA08 */
PORT->Group[0].WRCONFIG.reg =
PORT_WRCONFIG_WRPINCFG |
PORT_WRCONFIG_WRPMUX |
PORT_WRCONFIG_PMUX(2) | /* function C */
PORT_WRCONFIG_DRVSTR |
PORT_WRCONFIG_PINMASK(0x0100) | /* PA08 */
PORT_WRCONFIG_PMUXEN;
MCLK->APBAMASK.bit.SERCOM0_ = 1;
GCLK->PCHCTRL[SERCOM0_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN; /* setup SERCOM to use GLCK2 -> 80MHz */
SERCOM0->USART.CTRLA.reg = 0x00; /* disable SERCOM -> enable config */
while(SERCOM0->USART.SYNCBUSY.bit.ENABLE);
SERCOM0->USART.CTRLA.reg = /* CMODE = 0 -> async, SAMPA = 0, FORM = 0 -> USART frame, SMPR = 0 -> arithmetic baud rate */
SERCOM_USART_CTRLA_SAMPR(1) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */
// SERCOM_USART_CTRLA_FORM(0) | /* 0 = USART Frame, 2 = LIN Master */
SERCOM_USART_CTRLA_DORD | /* LSB first */
SERCOM_USART_CTRLA_MODE(1) | /* 0 = Asynchronous, 1 = USART with internal clock */
SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */
SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */
SERCOM0->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */
SERCOM_USART_CTRLB_TXEN; /* transmitter enabled */
SERCOM0->USART.CTRLC.reg = 0x00;
// 21.701388889 @ baud rate of 230400 bit/s, table 33-2, p 918 of DS60001507E
SERCOM0->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(7) | SERCOM_USART_BAUD_FRAC_BAUD(21);
// SERCOM0->USART.INTENSET.reg = SERCOM_USART_INTENSET_TXC;
SERCOM0->SPI.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
while(SERCOM0->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */
#endif
}
#endif
#ifdef __cplusplus
}
#endif
#endif /* BOARD_H_ */

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@ -1,4 +1,4 @@
MCU = same51
SAM_FAMILY = same51
HWREV ?= 1

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@ -44,6 +44,8 @@ MEMORY
/* The stack size used by the application. NOTE: you need to adjust according to your application. */
STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x1000;
ENTRY(Reset_Handler)
/* Section Definitions */
SECTIONS
{

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@ -1,3 +1,5 @@
set(SAM_FAMILY samd51)
set(JLINK_DEVICE ATSAMD51J19)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,3 +1,5 @@
SAM_FAMILY = samd51
CFLAGS += -D__SAMD51J19A__
LD_FILE = $(BOARD_PATH)/$(BOARD).ld

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@ -1,3 +1,5 @@
set(SAM_FAMILY samd51)
set(JLINK_DEVICE ATSAMD51J19)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,3 +1,5 @@
SAM_FAMILY = samd51
CFLAGS += -D__SAMD51J19A__
# All source paths should be relative to the top level.

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@ -1,3 +1,5 @@
set(SAM_FAMILY samd51)
set(JLINK_DEVICE ATSAMD51J19)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,3 +1,5 @@
SAM_FAMILY = samd51
CFLAGS += -D__SAMD51J19A__
# All source paths should be relative to the top level.

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@ -1,3 +1,5 @@
set(SAM_FAMILY samd51)
set(JLINK_DEVICE ATSAMD51J19)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,3 +1,5 @@
SAM_FAMILY = samd51
CFLAGS += -D__SAMD51J19A__
LD_FILE = $(BOARD_PATH)/$(BOARD).ld

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@ -1,3 +1,5 @@
set(SAM_FAMILY samd51)
set(JLINK_DEVICE ATSAMD51J19)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,3 +1,5 @@
SAM_FAMILY = samd51
CFLAGS += -D__SAMD51J19A__
LD_FILE = $(BOARD_PATH)/$(BOARD).ld

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@ -0,0 +1,10 @@
set(SAM_FAMILY same54)
set(JLINK_DEVICE ATSAME54P20)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/same54p20a_flash.ld)
function(update_board TARGET)
target_compile_definitions(${TARGET} PUBLIC
__SAME54P20A__
)
endfunction()

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@ -0,0 +1,50 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2020, Ha Thach (tinyusb.org)
*
* 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.
*
* 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.
*
* This file is part of the TinyUSB stack.
*/
#ifndef BOARD_H_
#define BOARD_H_
#ifdef __cplusplus
extern "C" {
#endif
// LED
#define LED_PIN PIN_PC18
#define LED_STATE_ON 1
// Button: D5
#define BUTTON_PIN PIN_PB31
#define BUTTON_STATE_ACTIVE 0
// UART: SERCOM2
//#define UART_TX_PIN 23
//#define UART_RX_PIN 22
#ifdef __cplusplus
}
#endif
#endif /* BOARD_H_ */

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@ -1,9 +1,6 @@
MCU = same54
SAM_FAMILY = same54
CFLAGS += \
-DCONF_CPU_FREQUENCY=48000000 \
-D__SAME54P20A__ \
-DBOARD_NAME="\"Microchip SAM E54 Xplained Pro\""
CFLAGS += -D__SAME54P20A__
# All source paths should be relative to the top level.
LD_FILE = $(BOARD_PATH)/same54p20a_flash.ld

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@ -44,6 +44,8 @@ MEMORY
/* The stack size used by the application. NOTE: you need to adjust according to your application. */
STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x10000;
ENTRY(Reset_Handler)
/* Section Definitions */
SECTIONS
{
@ -160,4 +162,5 @@ SECTIONS
. = ALIGN(4);
_end = . ;
end = .;
}

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@ -43,6 +43,8 @@ MEMORY
/* The stack size used by the application. NOTE: you need to adjust according to your application. */
STACK_SIZE = DEFINED(__stack_size__) ? __stack_size__ : 0x10000;
ENTRY(Reset_Handler)
/* Section Definitions */
SECTIONS
{
@ -159,4 +161,5 @@ SECTIONS
. = ALIGN(4);
_end = . ;
end = .;
}

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@ -34,8 +34,8 @@
#pragma GCC diagnostic ignored "-Wcast-qual"
#endif
#include "hal/include/hal_gpio.h"
#include "hal/include/hal_init.h"
#include "hal_gpio.h"
#include "hal_init.h"
#include "hpl/gclk/hpl_gclk_base.h"
#include "hpl_mclk_config.h"
@ -106,9 +106,11 @@ void board_init(void) {
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
#ifdef BUTTON_PIN
// Button init
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#endif
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
@ -154,7 +156,11 @@ void board_led_write(bool state) {
uint32_t board_button_read(void) {
// button is active low
#ifdef BUTTON_PIN
return gpio_get_pin_level(BUTTON_PIN) ? 0 : 1;
#else
return 0;
#endif
}
size_t board_get_unique_id(uint8_t id[], size_t max_len) {
@ -194,6 +200,53 @@ uint32_t board_millis(void) {
return system_ticks;
}
#if 0
/* Initialize SERCOM2 for 115200 bps 8N1 using a 48 MHz clock */
static inline void uart_init(void) {
gpio_set_pin_function(PIN_PB24, PINMUX_PB24D_SERCOM2_PAD1);
gpio_set_pin_function(PIN_PB25, PINMUX_PB25D_SERCOM2_PAD0);
MCLK->APBBMASK.bit.SERCOM2_ = 1;
GCLK->PCHCTRL[SERCOM2_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN_GCLK0 | GCLK_PCHCTRL_CHEN;
BOARD_SERCOM->USART.CTRLA.bit.SWRST = 1; /* reset and disable SERCOM -> enable configuration */
while (BOARD_SERCOM->USART.SYNCBUSY.bit.SWRST);
BOARD_SERCOM->USART.CTRLA.reg =
SERCOM_USART_CTRLA_SAMPR(0) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */
SERCOM_USART_CTRLA_SAMPA(0) | /* 16x over sampling */
SERCOM_USART_CTRLA_FORM(0) | /* 0x0 USART frame, 0x1 USART frame with parity, ... */
SERCOM_USART_CTRLA_DORD | /* LSB first */
SERCOM_USART_CTRLA_MODE(1) | /* 0x0 USART with external clock, 0x1 USART with internal clock */
SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */
SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */
BOARD_SERCOM->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */
SERCOM_USART_CTRLB_TXEN | /* transmitter enabled */
SERCOM_USART_CTRLB_RXEN; /* receiver enabled */
// BOARD_SERCOM->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(0) | SERCOM_USART_BAUD_FRAC_BAUD(26); /* 48000000/(16*115200) = 26.041666667 */
BOARD_SERCOM->USART.BAUD.reg = SERCOM_USART_BAUD_BAUD(63019); /* 65536*(116*115200/48000000) */
BOARD_SERCOM->USART.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
while (BOARD_SERCOM->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */
}
static inline void uart_send_buffer(uint8_t const* text, size_t len) {
for (size_t i = 0; i < len; ++i) {
BOARD_SERCOM->USART.DATA.reg = text[i];
while ((BOARD_SERCOM->USART.INTFLAG.reg & SERCOM_USART_INTFLAG_TXC) == 0);
}
}
static inline void uart_send_str(const char* text) {
while (*text) {
BOARD_SERCOM->USART.DATA.reg = *text++;
while ((BOARD_SERCOM->USART.INTFLAG.reg & SERCOM_USART_INTFLAG_TXC) == 0);
}
}
#endif
#endif
//--------------------------------------------------------------------+

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@ -1,16 +1,15 @@
include_guard()
set(SDK_DIR ${TOP}/hw/mcu/microchip/samd51)
set(CMSIS_5 ${TOP}/lib/CMSIS_5)
# include board specific
include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
set(SDK_DIR ${TOP}/hw/mcu/microchip/${SAM_FAMILY})
set(CMSIS_5 ${TOP}/lib/CMSIS_5)
# toolchain set up
set(CMAKE_SYSTEM_PROCESSOR cortex-m4 CACHE INTERNAL "System Processor")
set(CMAKE_TOOLCHAIN_FILE ${TOP}/examples/build_system/cmake/toolchain/arm_${TOOLCHAIN}.cmake)
set(FAMILY_MCUS SAMD51 CACHE INTERNAL "")
set(FAMILY_MCUS SAMD51 SAME54 CACHE INTERNAL "")
set(OPENOCD_OPTION "-f interface/cmsis-dap.cfg -c \"transport select swd\" -c \"set CHIPNAME samd51\" -f target/atsame5x.cfg")
#------------------------------------
@ -27,22 +26,20 @@ function(add_board_target BOARD_TARGET)
message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
endif ()
if (NOT DEFINED STARTUP_FILE_GNU)
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_samd51.c)
endif ()
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_${SAM_FAMILY}.c)
set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
add_library(${BOARD_TARGET} STATIC
${SDK_DIR}/gcc/system_samd51.c
${SDK_DIR}/gcc/system_${SAM_FAMILY}.c
${SDK_DIR}/hal/src/hal_atomic.c
${SDK_DIR}/hpl/gclk/hpl_gclk.c
${SDK_DIR}/hpl/mclk/hpl_mclk.c
${SDK_DIR}/hpl/osc32kctrl/hpl_osc32kctrl.c
${SDK_DIR}/hpl/oscctrl/hpl_oscctrl.c
${SDK_DIR}/hal/src/hal_atomic.c
${STARTUP_FILE_${CMAKE_C_COMPILER_ID}}
)
target_include_directories(${BOARD_TARGET} PUBLIC
${SDK_DIR}/
${SDK_DIR}
${SDK_DIR}/config
${SDK_DIR}/include
${SDK_DIR}/hal/include

View File

@ -1,9 +1,10 @@
UF2_FAMILY_ID = 0x55114460
DEPS_SUBMODULES += hw/mcu/microchip
include $(TOP)/$(BOARD_PATH)/board.mk
CPU_CORE ?= cortex-m4
SDK_DIR = hw/mcu/microchip/${SAM_FAMILY}
CFLAGS += \
-flto \
-DCFG_TUSB_MCU=OPT_MCU_SAMD51
@ -17,23 +18,23 @@ LDFLAGS_GCC += \
SRC_C += \
src/portable/microchip/samd/dcd_samd.c \
hw/mcu/microchip/samd51/gcc/gcc/startup_samd51.c \
hw/mcu/microchip/samd51/gcc/system_samd51.c \
hw/mcu/microchip/samd51/hpl/gclk/hpl_gclk.c \
hw/mcu/microchip/samd51/hpl/mclk/hpl_mclk.c \
hw/mcu/microchip/samd51/hpl/osc32kctrl/hpl_osc32kctrl.c \
hw/mcu/microchip/samd51/hpl/oscctrl/hpl_oscctrl.c \
hw/mcu/microchip/samd51/hal/src/hal_atomic.c
${SDK_DIR}/gcc/gcc/startup_${SAM_FAMILY}.c \
${SDK_DIR}/gcc/system_${SAM_FAMILY}.c \
${SDK_DIR}/hpl/gclk/hpl_gclk.c \
${SDK_DIR}/hpl/mclk/hpl_mclk.c \
${SDK_DIR}/hpl/osc32kctrl/hpl_osc32kctrl.c \
${SDK_DIR}/hpl/oscctrl/hpl_oscctrl.c \
${SDK_DIR}/hal/src/hal_atomic.c
INC += \
$(TOP)/$(BOARD_PATH) \
$(TOP)/hw/mcu/microchip/samd51/ \
$(TOP)/hw/mcu/microchip/samd51/config \
$(TOP)/hw/mcu/microchip/samd51/include \
$(TOP)/hw/mcu/microchip/samd51/hal/include \
$(TOP)/hw/mcu/microchip/samd51/hal/utils/include \
$(TOP)/hw/mcu/microchip/samd51/hpl/port \
$(TOP)/hw/mcu/microchip/samd51/hri \
$(TOP)/${SDK_DIR} \
$(TOP)/${SDK_DIR}/config \
$(TOP)/${SDK_DIR}/include \
$(TOP)/${SDK_DIR}/hal/include \
$(TOP)/${SDK_DIR}/hal/utils/include \
$(TOP)/${SDK_DIR}/hpl/port \
$(TOP)/${SDK_DIR}/hri \
$(TOP)/lib/CMSIS_5/CMSIS/Core/Include \
# flash using bossac at least version 1.8
@ -44,3 +45,7 @@ BOSSAC = bossac
flash-bossac: $(BUILD)/$(PROJECT).bin
@:$(call check_defined, SERIAL, example: SERIAL=/dev/ttyACM0)
$(BOSSAC) --port=$(SERIAL) -U -i --offset=0x4000 -e -w $^ -R
# flash using edbg from https://github.com/ataradov/edbg
flash-edbg: $(BUILD)/$(PROJECT).bin
edbg --verbose -t $(MCU) -pv -f $<

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@ -1,353 +0,0 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2020 Jean Gressmann <jean@0x42.de>
*
* 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.
*
* 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 <sam.h>
#include "bsp/board_api.h"
#include <hal/include/hal_gpio.h>
#if CONF_CPU_FREQUENCY != 80000000
# error "CONF_CPU_FREQUENCY" must 80000000
#endif
#if CONF_GCLK_USB_FREQUENCY != 48000000
# error "CONF_GCLK_USB_FREQUENCY" must 48000000
#endif
#if !defined(HWREV)
# error Define "HWREV"
#endif
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void USB_0_Handler (void)
{
tud_int_handler(0);
}
void USB_1_Handler (void)
{
tud_int_handler(0);
}
void USB_2_Handler (void)
{
tud_int_handler(0);
}
void USB_3_Handler (void)
{
tud_int_handler(0);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
#define LED_PIN PIN_PA02
#if HWREV < 3
# define BOARD_SERCOM SERCOM5
#else
# define BOARD_SERCOM SERCOM0
#endif
static inline void init_clock(void)
{
/* AUTOWS is enabled by default in REG_NVMCTRL_CTRLA - no need to change the number of wait states when changing the core clock */
#if HWREV == 1
/* configure XOSC1 for a 16MHz crystal connected to XIN1/XOUT1 */
OSCCTRL->XOSCCTRL[1].reg =
OSCCTRL_XOSCCTRL_STARTUP(6) | // 1,953 ms
OSCCTRL_XOSCCTRL_RUNSTDBY |
OSCCTRL_XOSCCTRL_ENALC |
OSCCTRL_XOSCCTRL_IMULT(4) |
OSCCTRL_XOSCCTRL_IPTAT(3) |
OSCCTRL_XOSCCTRL_XTALEN |
OSCCTRL_XOSCCTRL_ENABLE;
while(0 == OSCCTRL->STATUS.bit.XOSCRDY1);
OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(3) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC1_Val); /* pre-scaler = 8, input = XOSC1 */
OSCCTRL->Dpll[0].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(39); /* multiply by 40 -> 80 MHz */
OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */
OSCCTRL->Dpll[1].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(7) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC1_Val); /* pre-scaler = 16, input = XOSC1 */
OSCCTRL->Dpll[1].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(47); /* multiply by 48 -> 48 MHz */
OSCCTRL->Dpll[1].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[1].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL1 to be ready */
#else // HWREV >= 1
/* configure XOSC0 for a 16MHz crystal connected to XIN0/XOUT0 */
OSCCTRL->XOSCCTRL[0].reg =
OSCCTRL_XOSCCTRL_STARTUP(6) | // 1,953 ms
OSCCTRL_XOSCCTRL_RUNSTDBY |
OSCCTRL_XOSCCTRL_ENALC |
OSCCTRL_XOSCCTRL_IMULT(4) |
OSCCTRL_XOSCCTRL_IPTAT(3) |
OSCCTRL_XOSCCTRL_XTALEN |
OSCCTRL_XOSCCTRL_ENABLE;
while(0 == OSCCTRL->STATUS.bit.XOSCRDY0);
OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(3) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC0_Val); /* pre-scaler = 8, input = XOSC1 */
OSCCTRL->Dpll[0].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(39); /* multiply by 40 -> 80 MHz */
OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */
OSCCTRL->Dpll[1].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(7) | OSCCTRL_DPLLCTRLB_REFCLK(OSCCTRL_DPLLCTRLB_REFCLK_XOSC0_Val); /* pre-scaler = 16, input = XOSC1 */
OSCCTRL->Dpll[1].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR(47); /* multiply by 48 -> 48 MHz */
OSCCTRL->Dpll[1].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[1].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL1 to be ready */
#endif // HWREV
/* configure clock-generator 0 to use DPLL0 as source -> GCLK0 is used for the core */
GCLK->GENCTRL[0].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL0 | /* DPLL0 */
GCLK_GENCTRL_IDC ;
while(1 == GCLK->SYNCBUSY.bit.GENCTRL0); /* wait for the synchronization between clock domains to be complete */
/* configure clock-generator 1 to use DPLL1 as source -> for use with some peripheral */
GCLK->GENCTRL[1].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL1 |
GCLK_GENCTRL_IDC ;
while(1 == GCLK->SYNCBUSY.bit.GENCTRL1); /* wait for the synchronization between clock domains to be complete */
/* configure clock-generator 2 to use DPLL0 as source -> for use with SERCOM */
GCLK->GENCTRL[2].reg =
GCLK_GENCTRL_DIV(1) | /* 80MHz */
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL0 |
GCLK_GENCTRL_IDC ;
while(1 == GCLK->SYNCBUSY.bit.GENCTRL2); /* wait for the synchronization between clock domains to be complete */
}
static inline void uart_init(void)
{
#if HWREV < 3
/* configure SERCOM5 on PB02 */
PORT->Group[1].WRCONFIG.reg =
PORT_WRCONFIG_WRPINCFG |
PORT_WRCONFIG_WRPMUX |
PORT_WRCONFIG_PMUX(3) | /* function D */
PORT_WRCONFIG_DRVSTR |
PORT_WRCONFIG_PINMASK(0x0004) | /* PB02 */
PORT_WRCONFIG_PMUXEN;
MCLK->APBDMASK.bit.SERCOM5_ = 1;
GCLK->PCHCTRL[SERCOM5_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN; /* setup SERCOM to use GLCK2 -> 80MHz */
SERCOM5->USART.CTRLA.reg = 0x00; /* disable SERCOM -> enable config */
while(SERCOM5->USART.SYNCBUSY.bit.ENABLE);
SERCOM5->USART.CTRLA.reg = /* CMODE = 0 -> async, SAMPA = 0, FORM = 0 -> USART frame, SMPR = 0 -> arithmetic baud rate */
SERCOM_USART_CTRLA_SAMPR(1) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */
// SERCOM_USART_CTRLA_FORM(0) | /* 0 = USART Frame, 2 = LIN Master */
SERCOM_USART_CTRLA_DORD | /* LSB first */
SERCOM_USART_CTRLA_MODE(1) | /* 0 = Asynchronous, 1 = USART with internal clock */
SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */
SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */
SERCOM5->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */
SERCOM_USART_CTRLB_TXEN; /* transmitter enabled */
SERCOM5->USART.CTRLC.reg = 0x00;
// 21.701388889 @ baud rate of 230400 bit/s, table 33-2, p 918 of DS60001507E
SERCOM5->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(7) | SERCOM_USART_BAUD_FRAC_BAUD(21);
// SERCOM5->USART.INTENSET.reg = SERCOM_USART_INTENSET_TXC;
SERCOM5->SPI.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
while(SERCOM5->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */
#else
/* configure SERCOM0 on PA08 */
PORT->Group[0].WRCONFIG.reg =
PORT_WRCONFIG_WRPINCFG |
PORT_WRCONFIG_WRPMUX |
PORT_WRCONFIG_PMUX(2) | /* function C */
PORT_WRCONFIG_DRVSTR |
PORT_WRCONFIG_PINMASK(0x0100) | /* PA08 */
PORT_WRCONFIG_PMUXEN;
MCLK->APBAMASK.bit.SERCOM0_ = 1;
GCLK->PCHCTRL[SERCOM0_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN; /* setup SERCOM to use GLCK2 -> 80MHz */
SERCOM0->USART.CTRLA.reg = 0x00; /* disable SERCOM -> enable config */
while(SERCOM0->USART.SYNCBUSY.bit.ENABLE);
SERCOM0->USART.CTRLA.reg = /* CMODE = 0 -> async, SAMPA = 0, FORM = 0 -> USART frame, SMPR = 0 -> arithmetic baud rate */
SERCOM_USART_CTRLA_SAMPR(1) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */
// SERCOM_USART_CTRLA_FORM(0) | /* 0 = USART Frame, 2 = LIN Master */
SERCOM_USART_CTRLA_DORD | /* LSB first */
SERCOM_USART_CTRLA_MODE(1) | /* 0 = Asynchronous, 1 = USART with internal clock */
SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */
SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */
SERCOM0->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */
SERCOM_USART_CTRLB_TXEN; /* transmitter enabled */
SERCOM0->USART.CTRLC.reg = 0x00;
// 21.701388889 @ baud rate of 230400 bit/s, table 33-2, p 918 of DS60001507E
SERCOM0->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(7) | SERCOM_USART_BAUD_FRAC_BAUD(21);
// SERCOM0->USART.INTENSET.reg = SERCOM_USART_INTENSET_TXC;
SERCOM0->SPI.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
while(SERCOM0->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */
#endif
}
static inline void uart_send_buffer(uint8_t const *text, size_t len)
{
for (size_t i = 0; i < len; ++i) {
BOARD_SERCOM->USART.DATA.reg = text[i];
while((BOARD_SERCOM->USART.INTFLAG.reg & SERCOM_SPI_INTFLAG_TXC) == 0);
}
}
static inline void uart_send_str(const char* text)
{
while (*text) {
BOARD_SERCOM->USART.DATA.reg = *text++;
while((BOARD_SERCOM->USART.INTFLAG.reg & SERCOM_SPI_INTFLAG_TXC) == 0);
}
}
void board_init(void)
{
init_clock();
SystemCoreClock = CONF_CPU_FREQUENCY;
#if CFG_TUSB_OS == OPT_OS_NONE
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#endif
uart_init();
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " UART initialized\n");
tu_printf(BOARD_NAME " reset cause %#02x\n", RSTC->RCAUSE.reg);
#endif
// Led init
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
gpio_set_pin_level(LED_PIN, 0);
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " LED pin configured\n");
#endif
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_2_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_3_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
#if CFG_TUD_ENABLED
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " USB device enabled\n");
#endif
/* USB clock init
* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
* for low speed and full speed operation. */
hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK1_Val | GCLK_PCHCTRL_CHEN);
hri_mclk_set_AHBMASK_USB_bit(MCLK);
hri_mclk_set_APBBMASK_USB_bit(MCLK);
// USB pin init
gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT);
gpio_set_pin_level(PIN_PA24, false);
gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF);
gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT);
gpio_set_pin_level(PIN_PA25, false);
gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF);
gpio_set_pin_function(PIN_PA24, PINMUX_PA24H_USB_DM);
gpio_set_pin_function(PIN_PA25, PINMUX_PA25H_USB_DP);
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " USB device configured\n");
#endif
#endif
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state)
{
gpio_set_pin_level(LED_PIN, state);
}
uint32_t board_button_read(void)
{
// this board has no button
return 0;
}
int board_uart_read(uint8_t* buf, int len)
{
(void) buf; (void) len;
return 0;
}
int board_uart_write(void const * buf, int len)
{
if (len < 0) {
uart_send_str(buf);
} else {
uart_send_buffer(buf, len);
}
return len;
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler(void)
{
system_ticks++;
}
uint32_t board_millis(void)
{
return system_ticks;
}
#endif
// Required by __libc_init_array in startup code if we are compiling using
// -nostdlib/-nostartfiles.
void _init(void)
{
}

View File

@ -1,306 +0,0 @@
/*
* The MIT License (MIT)
*
* Copyright (c) 2021 Jean Gressmann <jean@0x42.de>
*
* 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.
*
* 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 <sam.h>
#include "bsp/board_api.h"
#include <hal/include/hal_gpio.h>
//--------------------------------------------------------------------+
// Forward USB interrupt events to TinyUSB IRQ Handler
//--------------------------------------------------------------------+
void USB_0_Handler(void)
{
tud_int_handler(0);
}
void USB_1_Handler(void)
{
tud_int_handler(0);
}
void USB_2_Handler(void)
{
tud_int_handler(0);
}
void USB_3_Handler(void)
{
tud_int_handler(0);
}
//--------------------------------------------------------------------+
// MACRO TYPEDEF CONSTANT ENUM DECLARATION
//--------------------------------------------------------------------+
#define LED_PIN PIN_PC18
#define BUTTON_PIN PIN_PB31
#define BOARD_SERCOM SERCOM2
/** Initializes the clocks from the external 12 MHz crystal
*
* The goal of this setup is to preserve the second PLL
* for the application code while still having a reasonable
* 48 MHz clock for USB / UART.
*
* GCLK0: CONF_CPU_FREQUENCY (default 120 MHz) from PLL0
* GCLK1: unused
* GCLK2: 12 MHz from XOSC1
* DFLL48M: closed loop from GLCK2
* GCLK3: 48 MHz
*/
static inline void init_clock_xtal(void)
{
/* configure for a 12MHz crystal connected to XIN1/XOUT1 */
OSCCTRL->XOSCCTRL[1].reg =
OSCCTRL_XOSCCTRL_STARTUP(6) | // 1.953 ms
OSCCTRL_XOSCCTRL_RUNSTDBY |
OSCCTRL_XOSCCTRL_ENALC |
OSCCTRL_XOSCCTRL_IMULT(4) | OSCCTRL_XOSCCTRL_IPTAT(3) | // 8MHz to 16MHz
OSCCTRL_XOSCCTRL_XTALEN |
OSCCTRL_XOSCCTRL_ENABLE;
while(0 == OSCCTRL->STATUS.bit.XOSCRDY1);
OSCCTRL->Dpll[0].DPLLCTRLB.reg = OSCCTRL_DPLLCTRLB_DIV(2) | OSCCTRL_DPLLCTRLB_REFCLK_XOSC1; /* 12MHz / 6 = 2Mhz, input = XOSC1 */
OSCCTRL->Dpll[0].DPLLRATIO.reg = OSCCTRL_DPLLRATIO_LDRFRAC(0x0) | OSCCTRL_DPLLRATIO_LDR((CONF_CPU_FREQUENCY / 1000000 / 2) - 1); /* multiply to get CONF_CPU_FREQUENCY (default = 120MHz) */
OSCCTRL->Dpll[0].DPLLCTRLA.reg = OSCCTRL_DPLLCTRLA_RUNSTDBY | OSCCTRL_DPLLCTRLA_ENABLE;
while(0 == OSCCTRL->Dpll[0].DPLLSTATUS.bit.CLKRDY); /* wait for the PLL0 to be ready */
/* configure clock-generator 0 to use DPLL0 as source -> GCLK0 is used for the core */
GCLK->GENCTRL[0].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DPLL0 |
GCLK_GENCTRL_IDC;
while(1 == GCLK->SYNCBUSY.bit.GENCTRL0); /* wait for the synchronization between clock domains to be complete */
// configure GCLK2 for 12MHz from XOSC1
GCLK->GENCTRL[2].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_XOSC1 |
GCLK_GENCTRL_IDC;
while(1 == GCLK->SYNCBUSY.bit.GENCTRL2); /* wait for the synchronization between clock domains to be complete */
/* setup DFLL48M to use GLCK2 */
GCLK->PCHCTRL[OSCCTRL_GCLK_ID_DFLL48].reg = GCLK_PCHCTRL_GEN_GCLK2 | GCLK_PCHCTRL_CHEN;
OSCCTRL->DFLLCTRLA.reg = 0;
while(1 == OSCCTRL->DFLLSYNC.bit.ENABLE);
OSCCTRL->DFLLCTRLB.reg = OSCCTRL_DFLLCTRLB_MODE | OSCCTRL_DFLLCTRLB_WAITLOCK;
OSCCTRL->DFLLMUL.bit.MUL = 4; // 4 * 12MHz -> 48MHz
OSCCTRL->DFLLCTRLA.reg =
OSCCTRL_DFLLCTRLA_ENABLE |
OSCCTRL_DFLLCTRLA_RUNSTDBY;
while(1 == OSCCTRL->DFLLSYNC.bit.ENABLE);
// setup 48 MHz GCLK3 from DFLL48M
GCLK->GENCTRL[3].reg =
GCLK_GENCTRL_DIV(0) |
GCLK_GENCTRL_RUNSTDBY |
GCLK_GENCTRL_GENEN |
GCLK_GENCTRL_SRC_DFLL |
GCLK_GENCTRL_IDC;
while(1 == GCLK->SYNCBUSY.bit.GENCTRL3);
}
/* Initialize SERCOM2 for 115200 bps 8N1 using a 48 MHz clock */
static inline void uart_init(void)
{
gpio_set_pin_function(PIN_PB24, PINMUX_PB24D_SERCOM2_PAD1);
gpio_set_pin_function(PIN_PB25, PINMUX_PB25D_SERCOM2_PAD0);
MCLK->APBBMASK.bit.SERCOM2_ = 1;
GCLK->PCHCTRL[SERCOM2_GCLK_ID_CORE].reg = GCLK_PCHCTRL_GEN_GCLK0 | GCLK_PCHCTRL_CHEN;
BOARD_SERCOM->USART.CTRLA.bit.SWRST = 1; /* reset and disable SERCOM -> enable configuration */
while (BOARD_SERCOM->USART.SYNCBUSY.bit.SWRST);
BOARD_SERCOM->USART.CTRLA.reg =
SERCOM_USART_CTRLA_SAMPR(0) | /* 0 = 16x / arithmetic baud rate, 1 = 16x / fractional baud rate */
SERCOM_USART_CTRLA_SAMPA(0) | /* 16x over sampling */
SERCOM_USART_CTRLA_FORM(0) | /* 0x0 USART frame, 0x1 USART frame with parity, ... */
SERCOM_USART_CTRLA_DORD | /* LSB first */
SERCOM_USART_CTRLA_MODE(1) | /* 0x0 USART with external clock, 0x1 USART with internal clock */
SERCOM_USART_CTRLA_RXPO(1) | /* SERCOM PAD[1] is used for data reception */
SERCOM_USART_CTRLA_TXPO(0); /* SERCOM PAD[0] is used for data transmission */
BOARD_SERCOM->USART.CTRLB.reg = /* RXEM = 0 -> receiver disabled, LINCMD = 0 -> normal USART transmission, SFDE = 0 -> start-of-frame detection disabled, SBMODE = 0 -> one stop bit, CHSIZE = 0 -> 8 bits */
SERCOM_USART_CTRLB_TXEN | /* transmitter enabled */
SERCOM_USART_CTRLB_RXEN; /* receiver enabled */
// BOARD_SERCOM->USART.BAUD.reg = SERCOM_USART_BAUD_FRAC_FP(0) | SERCOM_USART_BAUD_FRAC_BAUD(26); /* 48000000/(16*115200) = 26.041666667 */
BOARD_SERCOM->USART.BAUD.reg = SERCOM_USART_BAUD_BAUD(63019); /* 65536*(116*115200/48000000) */
BOARD_SERCOM->USART.CTRLA.bit.ENABLE = 1; /* activate SERCOM */
while (BOARD_SERCOM->USART.SYNCBUSY.bit.ENABLE); /* wait for SERCOM to be ready */
}
static inline void uart_send_buffer(uint8_t const *text, size_t len)
{
for (size_t i = 0; i < len; ++i) {
BOARD_SERCOM->USART.DATA.reg = text[i];
while((BOARD_SERCOM->USART.INTFLAG.reg & SERCOM_USART_INTFLAG_TXC) == 0);
}
}
static inline void uart_send_str(const char* text)
{
while (*text) {
BOARD_SERCOM->USART.DATA.reg = *text++;
while((BOARD_SERCOM->USART.INTFLAG.reg & SERCOM_USART_INTFLAG_TXC) == 0);
}
}
void board_init(void)
{
// Uncomment this line and change the GCLK for UART/USB to run off the XTAL.
// init_clock_xtal();
SystemCoreClock = CONF_CPU_FREQUENCY;
#if CFG_TUSB_OS == OPT_OS_NONE
SysTick_Config(CONF_CPU_FREQUENCY / 1000);
#endif
uart_init();
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " UART initialized\n");
tu_printf(BOARD_NAME " reset cause %#02x\n", RSTC->RCAUSE.reg);
#endif
// LED0 init
gpio_set_pin_function(LED_PIN, GPIO_PIN_FUNCTION_OFF);
gpio_set_pin_direction(LED_PIN, GPIO_DIRECTION_OUT);
board_led_write(0);
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " LED pin configured\n");
#endif
// BTN0 init
gpio_set_pin_function(BUTTON_PIN, GPIO_PIN_FUNCTION_OFF);
gpio_set_pin_direction(BUTTON_PIN, GPIO_DIRECTION_IN);
gpio_set_pin_pull_mode(BUTTON_PIN, GPIO_PULL_UP);
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " Button pin configured\n");
#endif
#if CFG_TUSB_OS == OPT_OS_FREERTOS
// If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher )
NVIC_SetPriority(USB_0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_1_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_2_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
NVIC_SetPriority(USB_3_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY);
#endif
#if CFG_TUD_ENABLED
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " USB device enabled\n");
#endif
/* USB clock init
* The USB module requires a GCLK_USB of 48 MHz ~ 0.25% clock
* for low speed and full speed operation.
*/
hri_gclk_write_PCHCTRL_reg(GCLK, USB_GCLK_ID, GCLK_PCHCTRL_GEN_GCLK0_Val | GCLK_PCHCTRL_CHEN);
hri_mclk_set_AHBMASK_USB_bit(MCLK);
hri_mclk_set_APBBMASK_USB_bit(MCLK);
// USB pin init
gpio_set_pin_direction(PIN_PA24, GPIO_DIRECTION_OUT);
gpio_set_pin_level(PIN_PA24, false);
gpio_set_pin_pull_mode(PIN_PA24, GPIO_PULL_OFF);
gpio_set_pin_direction(PIN_PA25, GPIO_DIRECTION_OUT);
gpio_set_pin_level(PIN_PA25, false);
gpio_set_pin_pull_mode(PIN_PA25, GPIO_PULL_OFF);
gpio_set_pin_function(PIN_PA24, PINMUX_PA24H_USB_DM);
gpio_set_pin_function(PIN_PA25, PINMUX_PA25H_USB_DP);
#if CFG_TUSB_DEBUG >= 2
uart_send_str(BOARD_NAME " USB device configured\n");
#endif
#endif
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state)
{
gpio_set_pin_level(LED_PIN, !state);
}
uint32_t board_button_read(void)
{
return (PORT->Group[1].IN.reg & 0x80000000) != 0x80000000;
}
int board_uart_read(uint8_t* buf, int len)
{
(void) buf; (void) len;
return 0;
}
int board_uart_write(void const * buf, int len)
{
if (len < 0) {
uart_send_str(buf);
} else {
uart_send_buffer(buf, len);
}
return len;
}
#if CFG_TUSB_OS == OPT_OS_NONE
volatile uint32_t system_ticks = 0;
void SysTick_Handler(void)
{
system_ticks++;
}
uint32_t board_millis(void)
{
return system_ticks;
}
#endif
// Required by __libc_init_array in startup code if we are compiling using
// -nostdlib/-nostartfiles.
void _init(void)
{
}

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@ -1,38 +0,0 @@
DEPS_SUBMODULES += hw/mcu/microchip
SDK_DIR = hw/mcu/microchip/$(MCU)
include $(TOP)/$(BOARD_PATH)/board.mk
CPU_CORE ?= cortex-m4
CFLAGS += \
-mthumb \
-mlong-calls \
-nostdlib -nostartfiles \
-DCFG_TUSB_MCU=OPT_MCU_SAME5X
# SAM driver is flooded with -Wcast-qual which slow down complication significantly
CFLAGS_SKIP += -Wcast-qual
LDFLAGS_GCC += -specs=nosys.specs -specs=nano.specs
SRC_C += \
src/portable/microchip/samd/dcd_samd.c \
$(SDK_DIR)/gcc/gcc/startup_$(MCU).c \
$(SDK_DIR)/gcc/system_$(MCU).c \
$(SDK_DIR)/hal/utils/src/utils_syscalls.c
INC += \
$(TOP)/$(SDK_DIR) \
$(TOP)/$(SDK_DIR)/config \
$(TOP)/$(SDK_DIR)/include \
$(TOP)/$(SDK_DIR)/hal/include \
$(TOP)/$(SDK_DIR)/hal/utils/include \
$(TOP)/$(SDK_DIR)/hpl/port \
$(TOP)/$(SDK_DIR)/hri \
$(TOP)/$(SDK_DIR)/CMSIS/Include
# flash using edbg from https://github.com/ataradov/edbg
flash-edbg: $(BUILD)/$(PROJECT).bin
edbg --verbose -t $(MCU) -pv -f $<
flash: flash-edbg

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@ -1,4 +1,4 @@
set(MCU_VARIANT saml21)
set(SAM_FAMILY saml21)
set(JLINK_DEVICE ATSAML21J18)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/saml21j18b_flash.ld)

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@ -1,4 +1,4 @@
MCU_VARIANT = saml21
SAM_FAMILY = saml21
CFLAGS += -D__SAML21J18B__

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@ -1,4 +1,4 @@
set(MCU_VARIANT saml22)
set(SAM_FAMILY saml22)
set(JLINK_DEVICE ATSAML22J18)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,4 +1,4 @@
MCU_VARIANT = saml22
SAM_FAMILY = saml22
CFLAGS += -D__SAML22J18A__

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@ -1,4 +1,4 @@
set(MCU_VARIANT saml22)
set(SAM_FAMILY saml22)
set(JLINK_DEVICE ATSAML21J18)
set(LD_FILE_GNU ${CMAKE_CURRENT_LIST_DIR}/${BOARD}.ld)

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@ -1,4 +1,4 @@
MCU_VARIANT = saml22
SAM_FAMILY = saml22
CFLAGS += -D__SAML22J18A__

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@ -3,7 +3,7 @@ include_guard()
# include board specific
include(${CMAKE_CURRENT_LIST_DIR}/boards/${BOARD}/board.cmake)
set(SDK_DIR ${TOP}/hw/mcu/microchip/${MCU_VARIANT})
set(SDK_DIR ${TOP}/hw/mcu/microchip/${SAM_FAMILY})
set(CMSIS_5 ${TOP}/lib/CMSIS_5)
# toolchain set up
@ -27,11 +27,11 @@ function(add_board_target BOARD_TARGET)
message(FATAL_ERROR "LD_FILE_${CMAKE_C_COMPILER_ID} not defined")
endif ()
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_${MCU_VARIANT}.c)
set(STARTUP_FILE_GNU ${SDK_DIR}/gcc/gcc/startup_${SAM_FAMILY}.c)
set(STARTUP_FILE_Clang ${STARTUP_FILE_GNU})
add_library(${BOARD_TARGET} STATIC
${SDK_DIR}/gcc/system_${MCU_VARIANT}.c
${SDK_DIR}/gcc/system_${SAM_FAMILY}.c
${SDK_DIR}/hal/src/hal_atomic.c
${SDK_DIR}/hpl/gclk/hpl_gclk.c
${SDK_DIR}/hpl/mclk/hpl_mclk.c

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@ -1,5 +1,5 @@
UF2_FAMILY_ID = 0x68ed2b88
SDK_DIR = hw/mcu/microchip/$(MCU_VARIANT)
SDK_DIR = hw/mcu/microchip/$(SAM_FAMILY)
include $(TOP)/$(BOARD_PATH)/board.mk
CPU_CORE ?= cortex-m0plus
@ -22,8 +22,8 @@ LDFLAGS_GCC += \
SRC_C += \
src/portable/microchip/samd/dcd_samd.c \
$(SDK_DIR)/gcc/gcc/startup_$(MCU_VARIANT).c \
$(SDK_DIR)/gcc/system_$(MCU_VARIANT).c \
$(SDK_DIR)/gcc/gcc/startup_$(SAM_FAMILY).c \
$(SDK_DIR)/gcc/system_$(SAM_FAMILY).c \
$(SDK_DIR)/hal/src/hal_atomic.c \
$(SDK_DIR)/hpl/gclk/hpl_gclk.c \
$(SDK_DIR)/hpl/mclk/hpl_mclk.c \