diff --git a/hw/bsp/msp432e4/boards/msp_exp432e401y/board.h b/hw/bsp/msp432e4/boards/msp_exp432e401y/board.h new file mode 100644 index 000000000..b449f3ca4 --- /dev/null +++ b/hw/bsp/msp432e4/boards/msp_exp432e401y/board.h @@ -0,0 +1,46 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2021 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_ + +#define LED_PORT P1OUT +#define LED_PIN BIT0 +#define LED_STATE_ON 1 + +#define BUTTON_PORT P1IN +#define BUTTON_PIN BIT1 +#define BUTTON_STATE_ACTIVE 0 + +#ifdef __cplusplus + extern "C" { +#endif + +#ifdef __cplusplus + } +#endif + +#endif diff --git a/hw/bsp/msp432e4/family.c b/hw/bsp/msp432e4/family.c new file mode 100644 index 000000000..3bb36042d --- /dev/null +++ b/hw/bsp/msp432e4/family.c @@ -0,0 +1,174 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2019 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. + */ + +#include "bsp/board.h" +#include "board.h" +#include "msp.h" + +/* Frequency of the external crystal oscillator */ +#define XTAL_FREQUENCY 25000000UL + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void USB0_IRQHandler(void) +{ + tud_int_handler(0); +} + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM +//--------------------------------------------------------------------+ + +void board_init(void) +{ + /* Turn off power domains that unused peripherals belong to */ + SYSCTL->PCCAN = 0u; +#ifdef __MCU_HAS_LCD0__ + SYSCTL->PCLCD = 0u; +#endif + SYSCTL->PCEMAC = 0u; + SYSCTL->PCEPHY = 0u; + SYSCTL->PCCCM = 0u; + + /* --- Setup system clock --- */ + /* Start power-up process of the main oscillator */ + SYSCTL->MOSCCTL = SYSCTL_MOSCCTL_OSCRNG; + while (!(SYSCTL->RIS & SYSCTL_RIS_MOSCPUPRIS)) ; /* Wait for completion */ + SYSCTL->MISC = SYSCTL_MISC_MOSCPUPMIS; /* Clear the completion interrupt status */ + /* Set the main oscillator to PLL reference clock */ + SYSCTL->RSCLKCFG = SYSCTL_RSCLKCFG_PLLSRC_MOSC; + /* PLL freq. = (MOSC freq. / 10) * 96 = 240MHz */ + SYSCTL->PLLFREQ1 = (4 << SYSCTL_PLLFREQ1_N_S) | (1 << SYSCTL_PLLFREQ1_Q_S); + SYSCTL->PLLFREQ0 = (96 << SYSCTL_PLLFREQ0_MINT_S) | SYSCTL_PLLFREQ0_PLLPWR; + /* Set BCHT=6, BCE=0, WS=5 for 120MHz system clock */ + SYSCTL->MEMTIM0 = SYSCTL_MEMTIM0_EBCHT_3_5 | (5 << SYSCTL_MEMTIM0_EWS_S) | + SYSCTL_MEMTIM0_FBCHT_3_5 | (5 << SYSCTL_MEMTIM0_FWS_S) | SYSCTL_MEMTIM0_MB1; + /* Wait for completion of PLL power-up process */ + while (!(SYSCTL->RIS & SYSCTL_RIS_PLLLRIS)) ; + SYSCTL->MISC = SYSCTL_MISC_PLLLMIS; /* Clear the completion interrupt status */ + /* Switch the system clock to PLL/4 */ + SYSCTL->RSCLKCFG = SYSCTL_RSCLKCFG_MEMTIMU | SYSCTL_RSCLKCFG_ACG | + SYSCTL_RSCLKCFG_USEPLL | SYSCTL_RSCLKCFG_PLLSRC_MOSC | (1 << SYSCTL_RSCLKCFG_PSYSDIV_S); + + SystemCoreClockUpdate(); +#if CFG_TUSB_OS == OPT_OS_NONE + SysTick_Config(SystemCoreClock / 1000); +#endif + + /* USR_LED1 PN1 */ + SYSCTL->RCGCGPIO |= 1u << 12; + while (!(SYSCTL->PRGPIO & (1u << 12))) ; + GPION->DIR = 2u; + GPION->DEN = 2u; + + /* USR_SW1 PJ0 */ + SYSCTL->RCGCGPIO |= 1u << 8; + while (!(SYSCTL->PRGPIO & (1u << 8))) ; + GPIOJ->PUR = 1u; + GPIOJ->DEN = 1u; + + /* UART PA0,1 */ + SYSCTL->RCGCGPIO |= 1u << 0; + while (!(SYSCTL->PRGPIO & (1u << 0))) ; + GPIOA->AFSEL = 3u; + GPIOA->PCTL = 0x11u; + GPIOA->DEN = 3u; + + SYSCTL->RCGCUART |= 1u << 0; + while (!(SYSCTL->PRUART & (1u << 0))) ; + UART0->CTL = 0; + UART0->IBRD = 8; /* 8.68056 = 16MHz / (16 * 115200) */ + UART0->FBRD = 44; /* 0.6875 = 44/64 -> 115108bps (0.08%) */ + UART0->LCRH = UART_LCRH_WLEN_8 | UART_LCRH_FEN; + UART0->CC = UART_CC_CS_PIOSC; /* Set the baud clock to PIOSC */ + UART0->CTL = UART_CTL_RXE | UART_CTL_TXE | UART_CTL_UARTEN; + + /* USB PB1(VBUS) PL6,7(DP,DM) */ + SYSCTL->RCGCGPIO |= (1u << 1) | (1u << 10); + while (((1u << 1) | (1u << 10)) != (SYSCTL->PRGPIO & ((1u << 1) | (1u << 10)))) ; + GPIOB->AMSEL = 1u << 1; + GPIOL->AMSEL = (1u << 6) | (1u << 7); + + SYSCTL->RCGCUSB = 1u; /* Open the clock gate for SYSCLK */ + while (!(SYSCTL->PRUSB & (1u << 0))) ; + USB0->CC = USB_CC_CLKEN | (3u << USB_CC_CLKDIV_S); /* 60MHz = 240MHz / 4 */ + __DMB(); /* Wait for completion of opening of the clock gate */ + + SYSCTL->SRUSB = 1u; + for (int i = 0; i < 16; ++i) __NOP(); + SYSCTL->SRUSB = 0u; + +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + if (state) + GPION->DATA |= 2u; + else + GPION->DATA &= ~2u; +} + +uint32_t board_button_read(void) +{ + return (GPIOJ->DATA & 1u) ? 0u : 1u; +} + +int board_uart_read(uint8_t * buf, int len) +{ + for (int i = 0; i < len; ++i) { + while (UART0->FR & UART_FR_RXFE) ; + *buf++ = UART0->DR; + } + return len; +} + +int board_uart_write(void const * buf, int len) +{ + uint8_t const *p = (uint8_t const *)buf; + for (int i = 0; i < len; ++i) { + while (UART0->FR & UART_FR_TXFF) ; + UART0->DR = *p++; + } + return len; +} + +#if CFG_TUSB_OS == OPT_OS_NONE +volatile uint32_t system_ticks = 0u; +void SysTick_Handler(void) +{ + system_ticks++; +} + +uint32_t board_millis(void) +{ + return system_ticks; +} +#endif diff --git a/hw/bsp/msp432e4/family.mk b/hw/bsp/msp432e4/family.mk new file mode 100644 index 000000000..d0ea13456 --- /dev/null +++ b/hw/bsp/msp432e4/family.mk @@ -0,0 +1,48 @@ +DEPS_SUBMODULES += lib/CMSIS_5 hw/mcu/ti + +CFLAGS += \ + -flto \ + -mthumb \ + -mslow-flash-data \ + -mabi=aapcs \ + -mcpu=cortex-m4 \ + -mfloat-abi=hard \ + -mfpu=fpv4-sp-d16 \ + -D__MSP432E401Y__ \ + -DCFG_TUSB_MCU=OPT_MCU_MSP432E4xx + +# All source paths should be relative to the top level. +LD_FILE = hw/mcu/ti/msp432e4/Source/msp432e401y.ld +LDINC += $(TOP)/hw/mcu/ti/msp432e4/Include +LDFLAGS += $(addprefix -L,$(LDINC)) + +MCU_DIR = hw/mcu/ti/msp432e4 + +SRC_C += \ + src/portable/mentor/dcd_musb.c \ + $(MCU_DIR)/Source/system_msp432e401y.c + +INC += \ + $(TOP)/lib/CMSIS_5/CMSIS/Core/Include \ + $(TOP)/$(MCU_DIR)/Include \ + $(TOP)/$(BOARD_PATH) + +SRC_S += $(MCU_DIR)/Source/startup_msp432e411y_gcc.S + +# For freeRTOS port source +FREERTOS_PORT = ARM_CM4F + +# export for libmsp430.so to same installation +ifneq ($(OS),Windows_NT) +export LD_LIBRARY_PATH=$(dir $(shell which MSP430Flasher)) +endif + +# flash target using TI MSP430-Flasher +# http://www.ti.com/tool/MSP430-FLASHER +# Please add its installation dir to PATH +flash: $(BUILD)/$(PROJECT).hex + MSP430Flasher -w $< -z [VCC] + +# flash target using mspdebug. +flash-mspdebug: $(BUILD)/$(PROJECT).elf + $(MSPDEBUG) tilib "prog $<" --allow-fw-update diff --git a/src/device/dcd_attr.h b/src/device/dcd_attr.h index 15d8ce204..1befa89b6 100644 --- a/src/device/dcd_attr.h +++ b/src/device/dcd_attr.h @@ -143,7 +143,7 @@ #define DCD_ATTR_ENDPOINT_EXCLUSIVE_NUMBER //------------- TI -------------// -#elif TU_CHECK_MCU(OPT_MCU_MSP430x5xx) +#elif TU_CHECK_MCU(OPT_MCU_MSP430x5xx, OPT_MCU_MSP432E4xx) #define DCD_ATTR_ENDPOINT_MAX 8 //------------- ValentyUSB -------------// diff --git a/src/tusb_option.h b/src/tusb_option.h index e33d5a057..aaf4f3657 100644 --- a/src/tusb_option.h +++ b/src/tusb_option.h @@ -86,6 +86,7 @@ // TI MSP430 #define OPT_MCU_MSP430x5xx 500 ///< TI MSP430x5xx +#define OPT_MCU_MSP432E4xx 510 ///< TI MSP432E4xx // ValentyUSB eptri #define OPT_MCU_VALENTYUSB_EPTRI 600 ///< Fomu eptri config