hathach e0d632a954
add ra2a1 ek
also make some other changes
2023-11-15 16:07:44 +07:00

296 lines
8.5 KiB
C

/*
* 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.
*/
#include "bsp/board_api.h"
#include "board.h"
#include "esp_rom_gpio.h"
#include "hal/gpio_ll.h"
#include "hal/usb_hal.h"
#include "soc/usb_periph.h"
#include "driver/rmt.h"
#include "driver/uart.h"
#if ESP_IDF_VERSION_MAJOR > 4
#include "esp_private/periph_ctrl.h"
#else
#include "driver/periph_ctrl.h"
#endif
// Note; current code use UART0 can cause device to reset while monitoring
#define USE_UART 0
#define UART_ID UART_NUM_0
#ifdef NEOPIXEL_PIN
#include "led_strip.h"
static led_strip_t* strip;
#endif
#if CFG_TUH_ENABLED && CFG_TUH_MAX3421
#include "driver/spi_master.h"
static void max3421_init(void);
#endif
static void configure_pins(usb_hal_context_t* usb);
//--------------------------------------------------------------------+
// Implementation
//--------------------------------------------------------------------+
// Initialize on-board peripherals : led, button, uart and USB
void board_init(void) {
#if USE_UART
// uart init
uart_config_t uart_config = {
.baud_rate = 115200,
.data_bits = UART_DATA_8_BITS,
.parity = UART_PARITY_DISABLE,
.stop_bits = UART_STOP_BITS_1,
.flow_ctrl = UART_HW_FLOWCTRL_DISABLE
};
uart_driver_install(UART_ID, 1024, 0, 0, NULL, 0);
uart_param_config(UART_ID, &uart_config);
#endif
#ifdef NEOPIXEL_PIN
#ifdef NEOPIXEL_POWER_PIN
gpio_reset_pin(NEOPIXEL_POWER_PIN);
gpio_set_direction(NEOPIXEL_POWER_PIN, GPIO_MODE_OUTPUT);
gpio_set_level(NEOPIXEL_POWER_PIN, NEOPIXEL_POWER_STATE);
#endif
// WS2812 Neopixel driver with RMT peripheral
rmt_config_t config = RMT_DEFAULT_CONFIG_TX(NEOPIXEL_PIN, RMT_CHANNEL_0);
config.clk_div = 2; // set counter clock to 40MHz
rmt_config(&config);
rmt_driver_install(config.channel, 0, 0);
led_strip_config_t strip_config = LED_STRIP_DEFAULT_CONFIG(1, (led_strip_dev_t) config.channel);
strip = led_strip_new_rmt_ws2812(&strip_config);
strip->clear(strip, 100); // off led
#endif
// Button
esp_rom_gpio_pad_select_gpio(BUTTON_PIN);
gpio_set_direction(BUTTON_PIN, GPIO_MODE_INPUT);
gpio_set_pull_mode(BUTTON_PIN, BUTTON_STATE_ACTIVE ? GPIO_PULLDOWN_ONLY : GPIO_PULLUP_ONLY);
// USB Controller Hal init
periph_module_reset(PERIPH_USB_MODULE);
periph_module_enable(PERIPH_USB_MODULE);
usb_hal_context_t hal = {
.use_external_phy = false // use built-in PHY
};
usb_hal_init(&hal);
configure_pins(&hal);
#if CFG_TUH_ENABLED && CFG_TUH_MAX3421
max3421_init();
#endif
}
static void configure_pins(usb_hal_context_t* usb) {
/* usb_periph_iopins currently configures USB_OTG as USB Device.
* Introduce additional parameters in usb_hal_context_t when adding support
* for USB Host. */
for (const usb_iopin_dsc_t* iopin = usb_periph_iopins; iopin->pin != -1; ++iopin) {
if ((usb->use_external_phy) || (iopin->ext_phy_only == 0)) {
esp_rom_gpio_pad_select_gpio(iopin->pin);
if (iopin->is_output) {
esp_rom_gpio_connect_out_signal(iopin->pin, iopin->func, false, false);
} else {
esp_rom_gpio_connect_in_signal(iopin->pin, iopin->func, false);
#if ESP_IDF_VERSION_MAJOR > 4
if ((iopin->pin != GPIO_MATRIX_CONST_ZERO_INPUT) && (iopin->pin != GPIO_MATRIX_CONST_ONE_INPUT))
#else
if ((iopin->pin != GPIO_FUNC_IN_LOW) && (iopin->pin != GPIO_FUNC_IN_HIGH))
#endif
{
gpio_ll_input_enable(&GPIO, iopin->pin);
}
}
esp_rom_gpio_pad_unhold(iopin->pin);
}
}
if (!usb->use_external_phy) {
gpio_set_drive_capability(USBPHY_DM_NUM, GPIO_DRIVE_CAP_3);
gpio_set_drive_capability(USBPHY_DP_NUM, GPIO_DRIVE_CAP_3);
}
}
//--------------------------------------------------------------------+
// Board porting API
//--------------------------------------------------------------------+
void board_led_write(bool state) {
#ifdef NEOPIXEL_PIN
strip->set_pixel(strip, 0, (state ? 0x88 : 0x00), 0x00, 0x00);
strip->refresh(strip, 100);
#endif
}
// Get the current state of button
// a '1' means active (pressed), a '0' means inactive.
uint32_t board_button_read(void) {
return gpio_get_level(BUTTON_PIN) == BUTTON_STATE_ACTIVE;
}
// Get characters from UART
int board_uart_read(uint8_t* buf, int len) {
#if USE_UART
return uart_read_bytes(UART_ID, buf, len, 0);
#else
return -1;
#endif
}
// Send characters to UART
int board_uart_write(void const* buf, int len) {
(void) buf;
(void) len;
return 0;
}
int board_getchar(void) {
uint8_t c = 0;
return board_uart_read(&c, 1) > 0 ? (int) c : (-1);
}
//--------------------------------------------------------------------+
// API: SPI transfer with MAX3421E, must be implemented by application
//--------------------------------------------------------------------+
#if CFG_TUH_ENABLED && defined(CFG_TUH_MAX3421) && CFG_TUH_MAX3421
static spi_device_handle_t max3421_spi;
SemaphoreHandle_t max3421_intr_sem;
static void IRAM_ATTR max3421_isr_handler(void* arg) {
(void) arg; // arg is gpio num
gpio_set_level(13, 1);
BaseType_t xHigherPriorityTaskWoken = pdFALSE;
xSemaphoreGiveFromISR(max3421_intr_sem, &xHigherPriorityTaskWoken);
if (xHigherPriorityTaskWoken) {
portYIELD_FROM_ISR();
}
gpio_set_level(13, 0);
}
static void max3421_intr_task(void* param) {
(void) param;
while (1) {
xSemaphoreTake(max3421_intr_sem, portMAX_DELAY);
tuh_int_handler(BOARD_TUH_RHPORT, false);
}
}
static void max3421_init(void) {
// CS pin
gpio_set_direction(MAX3421_CS_PIN, GPIO_MODE_OUTPUT);
gpio_set_level(MAX3421_CS_PIN, 1);
// SPI
spi_bus_config_t buscfg = {
.miso_io_num = MAX3421_MISO_PIN,
.mosi_io_num = MAX3421_MOSI_PIN,
.sclk_io_num = MAX3421_SCK_PIN,
.quadwp_io_num = -1,
.quadhd_io_num = -1,
.data4_io_num = -1,
.data5_io_num = -1,
.data6_io_num = -1,
.data7_io_num = -1,
.max_transfer_sz = 1024
};
ESP_ERROR_CHECK(spi_bus_initialize(MAX3421_SPI_HOST, &buscfg, SPI_DMA_CH_AUTO));
spi_device_interface_config_t max3421_cfg = {
.mode = 0,
.clock_speed_hz = 26000000,
.spics_io_num = -1, // manual control CS
.queue_size = 1
};
ESP_ERROR_CHECK(spi_bus_add_device(MAX3421_SPI_HOST, &max3421_cfg, &max3421_spi));
// debug
gpio_set_direction(13, GPIO_MODE_OUTPUT);
gpio_set_level(13, 0);
// Interrupt pin
max3421_intr_sem = xSemaphoreCreateBinary();
xTaskCreate(max3421_intr_task, "max3421 intr", 2048, NULL, configMAX_PRIORITIES - 2, NULL);
gpio_set_direction(MAX3421_INTR_PIN, GPIO_MODE_INPUT);
gpio_set_intr_type(MAX3421_INTR_PIN, GPIO_INTR_NEGEDGE);
gpio_install_isr_service(0);
gpio_isr_handler_add(MAX3421_INTR_PIN, max3421_isr_handler, NULL);
}
void tuh_max3421_int_api(uint8_t rhport, bool enabled) {
(void) rhport;
if (enabled) {
gpio_intr_enable(MAX3421_INTR_PIN);
} else {
gpio_intr_disable(MAX3421_INTR_PIN);
}
}
void tuh_max3421_spi_cs_api(uint8_t rhport, bool active) {
(void) rhport;
gpio_set_level(MAX3421_CS_PIN, active ? 0 : 1);
}
bool tuh_max3421_spi_xfer_api(uint8_t rhport, uint8_t const* tx_buf, uint8_t* rx_buf, size_t xfer_bytes) {
(void) rhport;
if (tx_buf == NULL) {
// fifo read, transmit rx_buf as dummy
tx_buf = rx_buf;
}
// length in bits
size_t const len_bits = xfer_bytes << 3;
spi_transaction_t xact = {
.length = len_bits,
.rxlength = rx_buf ? len_bits : 0,
.tx_buffer = tx_buf,
.rx_buffer = rx_buf
};
ESP_ERROR_CHECK(spi_device_transmit(max3421_spi, &xact));
return true;
}
#endif