diff options
Diffstat (limited to 'tinyusb/hw/bsp/rx/boards/rx65n_target/rx65n_target.c')
| m--------- | tinyusb | 0 | ||||
| -rwxr-xr-x | tinyusb/hw/bsp/rx/boards/rx65n_target/rx65n_target.c | 320 |
2 files changed, 0 insertions, 320 deletions
diff --git a/tinyusb b/tinyusb new file mode 160000 +Subproject f8288be03f28ad7b944e6925f49422dfa39202c diff --git a/tinyusb/hw/bsp/rx/boards/rx65n_target/rx65n_target.c b/tinyusb/hw/bsp/rx/boards/rx65n_target/rx65n_target.c deleted file mode 100755 index 20867455..00000000 --- a/tinyusb/hw/bsp/rx/boards/rx65n_target/rx65n_target.c +++ /dev/null @@ -1,320 +0,0 @@ -/* - * The MIT License (MIT) - * - * Copyright (c) 2021, Koji Kitayama - * - * 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. - */ - -/* How to connect JLink and RX65n Target and option board - * (For original comment https://github.com/hathach/tinyusb/pull/922#issuecomment-869786131) - * - * To enable JTAG, RX65N requires following connections on main board. - * - short EJ2 jumper header, to disable onboard E2L. - * - short EMLE(J1-2) and 3V3(J1-14 or J2-10), to enable In-Circuit Emulator. - * - * Note: For RX65N-Cloud-Kit, the option board's JTAG pins to some switches or floating. - * To use JLink with the option board, I think some further modifications will be necessary. - * - * | Function | RX65N pin | main board | option board | JLink connector | - * |:---------:|:----------:|:----------:|:------------:|:---------------:| - * | 3V3 | VCC | J1-14 | CN5-6 | 1 | - * | TRST | P34 | J1-16 | CN5-7 | 3 | - * | GND | VSS | J1-12 | CN5-5 | 4 | - * | TDI | P30 | J1-20 | CN5-10 | 5 | - * | TMS | P31 | J1-19 | USER_SW | 7 | - * | TCK/FINEC | P27 | J1-21 | N/A | 9 | - * | TDO | P26 | J1-22 | CN5-9 | 13 | - * | nRES | RES# | J1-10 | RESET_SW | 15 | - * - * JLink firmware needs to update to V6.96 or newer version to avoid - * [a bug](https://forum.segger.com/index.php/Thread/7758-SOLVED-Bug-in-JLink-from-V6-88b-regarding-RX65N) - * regarding downloading. - */ - -#include "bsp/board.h" -#include "iodefine.h" -#include "interrupt_handlers.h" - -#define IRQ_PRIORITY_CMT0 5 -#define IRQ_PRIORITY_USBI0 6 -#define IRQ_PRIORITY_SCI5 5 - -#define SYSTEM_PRCR_PRC1 (1<<1) -#define SYSTEM_PRCR_PRKEY (0xA5u<<8) - -#define CMT_PCLK 60000000 -#define CMT_CMCR_CKS_DIV_128 2 -#define CMT_CMCR_CMIE (1<<6) -#define MPC_PFS_ISEL (1<<6) - -#define SCI_PCLK 60000000 -#define SCI_SSR_FER (1<<4) -#define SCI_SSR_ORER (1<<5) - -#define SCI_SCR_TEIE (1u<<2) -#define SCI_SCR_RE (1u<<4) -#define SCI_SCR_TE (1u<<5) -#define SCI_SCR_RIE (1u<<6) -#define SCI_SCR_TIE (1u<<7) -#define INT_Excep_SCI5_TEI5 INT_Excep_ICU_GROUPBL0 - -#define IRQ_USB0_USBI0 62 -#define SLIBR_USBI0 SLIBR185 -#define IPR_USB0_USBI0 IPR_PERIB_INTB185 -#define INT_Excep_USB0_USBI0 INT_Excep_PERIB_INTB185 - -void HardwareSetup(void) -{ - FLASH.ROMCIV.WORD = 1; - while (FLASH.ROMCIV.WORD) ; - FLASH.ROMCE.WORD = 1; - while (!FLASH.ROMCE.WORD) ; - - SYSTEM.PRCR.WORD = 0xA503u; - if (!SYSTEM.RSTSR1.BYTE) { - RTC.RCR4.BYTE = 0; - RTC.RCR3.BYTE = 12; - while (12 != RTC.RCR3.BYTE) ; - } - SYSTEM.SOSCCR.BYTE = 1; - - if (SYSTEM.HOCOCR.BYTE) { - SYSTEM.HOCOCR.BYTE = 0; - while (!SYSTEM.OSCOVFSR.BIT.HCOVF) ; - } - SYSTEM.PLLCR.WORD = 0x1D10u; /* HOCO x 15 */ - SYSTEM.PLLCR2.BYTE = 0; - while (!SYSTEM.OSCOVFSR.BIT.PLOVF) ; - - SYSTEM.SCKCR.LONG = 0x21C11222u; - SYSTEM.SCKCR2.WORD = 0x0041u; - SYSTEM.ROMWT.BYTE = 0x02u; - while (0x02u != SYSTEM.ROMWT.BYTE) ; - SYSTEM.SCKCR3.WORD = 0x400u; - SYSTEM.PRCR.WORD = 0xA500u; -} - -//--------------------------------------------------------------------+ -// SCI handling -//--------------------------------------------------------------------+ -typedef struct { - uint8_t *buf; - uint32_t cnt; -} sci_buf_t; -static volatile sci_buf_t sci_buf[2]; - -void INT_Excep_SCI5_TXI5(void) -{ - uint8_t *buf = sci_buf[0].buf; - uint32_t cnt = sci_buf[0].cnt; - - if (!buf || !cnt) { - SCI5.SCR.BYTE &= ~(SCI_SCR_TEIE | SCI_SCR_TE | SCI_SCR_TIE); - return; - } - SCI5.TDR = *buf; - if (--cnt) { - ++buf; - } else { - buf = NULL; - SCI5.SCR.BIT.TIE = 0; - SCI5.SCR.BIT.TEIE = 1; - } - sci_buf[0].buf = buf; - sci_buf[0].cnt = cnt; -} - -void INT_Excep_SCI5_TEI5(void) -{ - SCI5.SCR.BYTE &= ~(SCI_SCR_TEIE | SCI_SCR_TE | SCI_SCR_TIE); -} - -void INT_Excep_SCI5_RXI5(void) -{ - uint8_t *buf = sci_buf[1].buf; - uint32_t cnt = sci_buf[1].cnt; - - if (!buf || !cnt || - (SCI5.SSR.BYTE & (SCI_SSR_FER | SCI_SSR_ORER))) { - sci_buf[1].buf = NULL; - SCI5.SSR.BYTE = 0; - SCI5.SCR.BYTE &= ~(SCI_SCR_RE | SCI_SCR_RIE); - return; - } - *buf = SCI5.RDR; - if (--cnt) { - ++buf; - } else { - buf = NULL; - SCI5.SCR.BYTE &= ~(SCI_SCR_RE | SCI_SCR_RIE); - } - sci_buf[1].buf = buf; - sci_buf[1].cnt = cnt; -} - -//--------------------------------------------------------------------+ -// Forward USB interrupt events to TinyUSB IRQ Handler -//--------------------------------------------------------------------+ -void INT_Excep_USB0_USBI0(void) -{ - tud_int_handler(0); -} - -void board_init(void) -{ - /* setup software configurable interrupts */ - ICU.SLIBR_USBI0.BYTE = IRQ_USB0_USBI0; - ICU.SLIPRCR.BYTE = 1; - -#if CFG_TUSB_OS == OPT_OS_NONE - /* Enable CMT0 */ - SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY | SYSTEM_PRCR_PRC1; - MSTP(CMT0) = 0; - SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY; - /* Setup 1ms tick timer */ - CMT0.CMCNT = 0; - CMT0.CMCOR = CMT_PCLK / 1000 / 128; - CMT0.CMCR.WORD = CMT_CMCR_CMIE | CMT_CMCR_CKS_DIV_128; - IR(CMT0, CMI0) = 0; - IPR(CMT0, CMI0) = IRQ_PRIORITY_CMT0; - IEN(CMT0, CMI0) = 1; - CMT.CMSTR0.BIT.STR0 = 1; -#endif - - /* Unlock MPC registers */ - MPC.PWPR.BIT.B0WI = 0; - MPC.PWPR.BIT.PFSWE = 1; - // SW PB1 - PORTB.PMR.BIT.B1 = 0U; - PORTB.PDR.BIT.B1 = 0U; - // LED PD6 - PORTD.PODR.BIT.B6 = 1U; - PORTD.ODR1.BIT.B4 = 1U; - PORTD.PMR.BIT.B6 = 0U; - PORTD.PDR.BIT.B6 = 1U; - /* UART TXD5 => PA4, RXD5 => PA3 */ - PORTA.PMR.BIT.B4 = 1U; - PORTA.PCR.BIT.B4 = 1U; - MPC.PA4PFS.BYTE = 0b01010; - PORTA.PMR.BIT.B3 = 1U; - MPC.PA5PFS.BYTE = 0b01010; - /* USB VBUS -> P16 */ - PORT1.PMR.BIT.B6 = 1U; - MPC.P16PFS.BYTE = MPC_PFS_ISEL | 0b10001; - /* Lock MPC registers */ - MPC.PWPR.BIT.PFSWE = 0; - MPC.PWPR.BIT.B0WI = 1; - - /* Enable SCI5 */ - SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY | SYSTEM_PRCR_PRC1; - MSTP(SCI5) = 0; - SYSTEM.PRCR.WORD = SYSTEM_PRCR_PRKEY; - SCI5.SEMR.BIT.ABCS = 1; - SCI5.SEMR.BIT.BGDM = 1; - SCI5.BRR = (SCI_PCLK / (8 * 115200)) - 1; - IR(SCI5, RXI5) = 0; - IR(SCI5, TXI5) = 0; - IS(SCI5, TEI5) = 0; - IR(ICU, GROUPBL0) = 0; - IPR(SCI5, RXI5) = IRQ_PRIORITY_SCI5; - IPR(SCI5, TXI5) = IRQ_PRIORITY_SCI5; - IPR(ICU,GROUPBL0) = IRQ_PRIORITY_SCI5; - IEN(SCI5, RXI5) = 1; - IEN(SCI5, TXI5) = 1; - IEN(ICU,GROUPBL0) = 1; - EN(SCI5, TEI5) = 1; - - /* setup USBI0 interrupt. */ - IR(USB0, USBI0) = 0; - IPR(USB0, USBI0) = IRQ_PRIORITY_USBI0; -} - -//--------------------------------------------------------------------+ -// Board porting API -//--------------------------------------------------------------------+ - -void board_led_write(bool state) -{ - PORTD.PODR.BIT.B6 = state ? 0 : 1; -} - -uint32_t board_button_read(void) -{ - return PORTB.PIDR.BIT.B1 ? 0 : 1; -} - -int board_uart_read(uint8_t* buf, int len) -{ - sci_buf[1].buf = buf; - sci_buf[1].cnt = len; - SCI5.SCR.BYTE |= SCI_SCR_RE | SCI_SCR_RIE; - while (SCI5.SCR.BIT.RE) ; - return len - sci_buf[1].cnt; -} - -int board_uart_write(void const *buf, int len) -{ - sci_buf[0].buf = (uint8_t*)buf; - sci_buf[0].cnt = len; - SCI5.SCR.BYTE |= SCI_SCR_TE | SCI_SCR_TIE; - while (SCI5.SCR.BIT.TE) ; - return len; -} - -#if CFG_TUSB_OS == OPT_OS_NONE -volatile uint32_t system_ticks = 0; -void INT_Excep_CMT0_CMI0(void) -{ - ++system_ticks; -} - -uint32_t board_millis(void) -{ - return system_ticks; -} -#else -uint32_t SystemCoreClock = 120000000; -#endif - -int close(int fd) -{ - (void)fd; - return -1; -} -int fstat(int fd, void *pstat) -{ - (void)fd; - (void)pstat; - return 0; -} -off_t lseek(int fd, off_t pos, int whence) -{ - (void)fd; - (void)pos; - (void)whence; - return 0; -} -int isatty(int fd) -{ - (void)fd; - return 1; -} |