249 lines
7.2 KiB
C
249 lines
7.2 KiB
C
/**************************************************************************/
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/*!
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@file board_pca10056.c
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@author hathach
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@section LICENSE
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Software License Agreement (BSD License)
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Copyright (c) 2018, hathach (tinyusb.org)
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All rights reserved.
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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3. Neither the name of the copyright holders nor the
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names of its contributors may be used to endorse or promote products
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derived from this software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
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EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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This file is part of the tinyusb stack.
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*/
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/**************************************************************************/
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#ifdef BOARD_PCA10056
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#include "bsp/board.h"
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#include "nrfx/hal/nrf_gpio.h"
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#include "nrfx/drivers/include/nrfx_power.h"
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#include "nrfx/drivers/include/nrfx_qspi.h"
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#include "tusb.h"
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/*------------------------------------------------------------------*/
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/* MACRO TYPEDEF CONSTANT ENUM
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*------------------------------------------------------------------*/
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#define LED_PIN 13
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#define LED_STATE_ON 0
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uint8_t _button_pins[] = { 11, 12, 24, 25 };
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#define BOARD_BUTTON_COUNT sizeof(_button_pins)
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/*------------------------------------------------------------------*/
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/* TUSB HAL MILLISECOND
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*------------------------------------------------------------------*/
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#if CFG_TUSB_OS == OPT_OS_NONE
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volatile uint32_t system_ticks = 0;
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void SysTick_Handler (void)
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{
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system_ticks++;
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}
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uint32_t tusb_hal_millis(void)
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{
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return board_tick2ms(system_ticks);
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}
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#endif
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/*------------------------------------------------------------------*/
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/* BOARD API
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*------------------------------------------------------------------*/
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enum {
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QSPI_CMD_RSTEN = 0x66,
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QSPI_CMD_RST = 0x99,
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QSPI_CMD_WRSR = 0x01,
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QSPI_CMD_READID = 0x90
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};
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/* tinyusb function that handles power event (detected, ready, removed)
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* We must call it within SD's SOC event handler, or set it as power event handler if SD is not enabled.
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*/
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extern void tusb_hal_nrf_power_event(uint32_t event);
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void board_init(void)
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{
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// Config clock source: XTAL or RC in sdk_config.h
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NRF_CLOCK->LFCLKSRC = (uint32_t)((CLOCK_LFCLKSRC_SRC_Xtal << CLOCK_LFCLKSRC_SRC_Pos) & CLOCK_LFCLKSRC_SRC_Msk);
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NRF_CLOCK->TASKS_LFCLKSTART = 1UL;
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// LEDs
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nrf_gpio_cfg_output(LED_PIN);
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board_led_control(false);
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// Button
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for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++) nrf_gpio_cfg_input(_button_pins[i], NRF_GPIO_PIN_PULLUP);
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#if CFG_TUSB_OS == OPT_OS_NONE
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// Tick init
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SysTick_Config(SystemCoreClock/1000);
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#endif
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// 64 Mbit qspi flash
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#ifdef BOARD_MSC_FLASH_QSPI
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nrfx_qspi_config_t qspi_cfg = {
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.xip_offset = 0,
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.pins = {
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.sck_pin = 19,
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.csn_pin = 17,
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.io0_pin = 20,
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.io1_pin = 21,
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.io2_pin = 22,
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.io3_pin = 23,
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},
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.prot_if = {
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.readoc = NRF_QSPI_READOC_READ4IO,
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.writeoc = NRF_QSPI_WRITEOC_PP4IO,
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.addrmode = NRF_QSPI_ADDRMODE_24BIT,
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.dpmconfig = false, // deep power down
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},
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.phy_if = {
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.sck_freq = NRF_QSPI_FREQ_32MDIV1,
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.sck_delay = 1,
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.spi_mode = NRF_QSPI_MODE_0,
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.dpmen = false
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},
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.irq_priority = 7,
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};
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// NULL callback for blocking API
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nrfx_qspi_init(&qspi_cfg, NULL, NULL);
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nrf_qspi_cinstr_conf_t cinstr_cfg = {
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.opcode = 0,
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.length = 0,
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.io2_level = true,
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.io3_level = true,
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.wipwait = false,
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.wren = false
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};
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// Send reset enable
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cinstr_cfg.opcode = QSPI_CMD_RSTEN;
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cinstr_cfg.length = NRF_QSPI_CINSTR_LEN_1B;
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nrfx_qspi_cinstr_xfer(&cinstr_cfg, NULL, NULL);
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// Send reset command
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cinstr_cfg.opcode = QSPI_CMD_RST;
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cinstr_cfg.length = NRF_QSPI_CINSTR_LEN_1B;
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nrfx_qspi_cinstr_xfer(&cinstr_cfg, NULL, NULL);
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NRFX_DELAY_US(100); // wait for flash reset
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// Send (Read ID + 3 dummy bytes) + Receive 2 bytes of Manufacture + Device ID
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uint8_t dummy[6] = { 0 };
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uint8_t id_resp[6] = { 0 };
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cinstr_cfg.opcode = QSPI_CMD_READID;
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cinstr_cfg.length = 6;
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// Bug with -nrf_qspi_cinstrdata_get() didn't combine data.
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// https://devzone.nordicsemi.com/f/nordic-q-a/38540/bug-nrf_qspi_cinstrdata_get-didn-t-collect-data-from-both-cinstrdat1-and-cinstrdat0
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nrfx_qspi_cinstr_xfer(&cinstr_cfg, dummy, id_resp);
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// Due to the bug, we collect data manually
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uint8_t dev_id = (uint8_t) NRF_QSPI->CINSTRDAT1;
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uint8_t mfgr_id = (uint8_t) ( NRF_QSPI->CINSTRDAT0 >> 24 );
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// Switch to quad mode
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uint16_t sr_quad_en = 0x40;
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cinstr_cfg.opcode = QSPI_CMD_WRSR;
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cinstr_cfg.length = 3;
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cinstr_cfg.wipwait = cinstr_cfg.wren = true;
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nrfx_qspi_cinstr_xfer(&cinstr_cfg, &sr_quad_en, NULL);
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#endif
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// USB power may already be ready at this time -> no event generated
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// We need to invoke the handler based on the status initially
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uint32_t usb_reg;
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#ifdef SOFTDEVICE_PRESENT
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uint8_t sd_en = false;
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(void) sd_softdevice_is_enabled(&sd_en);
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if ( sd_en ) {
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sd_power_usbdetected_enable(true);
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sd_power_usbpwrrdy_enable(true);
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sd_power_usbremoved_enable(true);
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sd_power_usbregstatus_get(&usb_reg);
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}else
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#else
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{
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// Power module init
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const nrfx_power_config_t pwr_cfg = { 0 };
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nrfx_power_init(&pwr_cfg);
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// Register tusb function as USB power handler
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const nrfx_power_usbevt_config_t config = { .handler = (nrfx_power_usb_event_handler_t) tusb_hal_nrf_power_event };
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nrfx_power_usbevt_init(&config);
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nrfx_power_usbevt_enable();
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usb_reg = NRF_POWER->USBREGSTATUS;
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}
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#endif
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if ( usb_reg & POWER_USBREGSTATUS_VBUSDETECT_Msk ) {
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tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_DETECTED);
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}
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if ( usb_reg & POWER_USBREGSTATUS_OUTPUTRDY_Msk ) {
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tusb_hal_nrf_power_event(NRFX_POWER_USB_EVT_READY);
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}
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}
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void board_led_control(bool state)
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{
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nrf_gpio_pin_write(LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON));
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}
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uint32_t board_buttons(void)
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{
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uint32_t ret = 0;
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for(uint8_t i=0; i<BOARD_BUTTON_COUNT; i++)
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{
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// button is active LOW
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ret |= ( nrf_gpio_pin_read(_button_pins[i]) ? 0 : (1 << i));
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}
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return ret;
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}
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uint8_t board_uart_getchar(void)
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{
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return 0;
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}
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void board_uart_putchar(uint8_t c)
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{
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(void) c;
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}
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#endif
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