diff options
author | Joey Castillo <jose.castillo@gmail.com> | 2021-08-28 12:50:18 -0400 |
---|---|---|
committer | Joey Castillo <jose.castillo@gmail.com> | 2021-08-28 12:50:18 -0400 |
commit | 39a5c822a2a2e798e2e39ff8a98b7af84253026c (patch) | |
tree | fa157c98d3aea0d4f996e4415aa2a7ad1093ac05 /tinyusb/hw/bsp/frdm_kl25z/frdm_kl25z.c | |
parent | c9e00b83bbdcb05058806d915ec4fff3cf4e596f (diff) | |
download | Sensor-Watch-39a5c822a2a2e798e2e39ff8a98b7af84253026c.tar.gz Sensor-Watch-39a5c822a2a2e798e2e39ff8a98b7af84253026c.tar.bz2 Sensor-Watch-39a5c822a2a2e798e2e39ff8a98b7af84253026c.zip |
add tinyusb
Diffstat (limited to 'tinyusb/hw/bsp/frdm_kl25z/frdm_kl25z.c')
-rwxr-xr-x | tinyusb/hw/bsp/frdm_kl25z/frdm_kl25z.c | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/frdm_kl25z/frdm_kl25z.c b/tinyusb/hw/bsp/frdm_kl25z/frdm_kl25z.c new file mode 100755 index 00000000..7d3a173e --- /dev/null +++ b/tinyusb/hw/bsp/frdm_kl25z/frdm_kl25z.c @@ -0,0 +1,148 @@ +/* + * The MIT License (MIT) + * + * Copyright (c) 2018, hathach (tinyusb.org) + * Copyright (c) 2020, 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. + */ + +#include "../board.h" +#include "fsl_device_registers.h" +#include "fsl_gpio.h" +#include "fsl_port.h" +#include "fsl_clock.h" +#include "fsl_lpsci.h" + +#include "clock_config.h" + +//--------------------------------------------------------------------+ +// Forward USB interrupt events to TinyUSB IRQ Handler +//--------------------------------------------------------------------+ +void USB0_IRQHandler(void) +{ + tud_int_handler(0); +} + +//--------------------------------------------------------------------+ +// MACRO TYPEDEF CONSTANT ENUM DECLARATION +//--------------------------------------------------------------------+ +// LED +#define LED_PINMUX IOMUXC_GPIO_AD_B0_09_GPIO1_IO09 +#define LED_PORT GPIOB +#define LED_PIN_CLOCK kCLOCK_PortB +#define LED_PIN_PORT PORTB +#define LED_PIN 19U +#define LED_PIN_FUNCTION kPORT_MuxAsGpio +#define LED_STATE_ON 0 + +// UART +#define UART_PORT UART0 +#define UART_PIN_CLOCK kCLOCK_PortA +#define UART_PIN_PORT PORTA +#define UART_PIN_RX 1u +#define UART_PIN_TX 2u +#define UART_PIN_FUNCTION kPORT_MuxAlt2 +#define SOPT5_UART0RXSRC_UART_RX 0x00u /*!< UART0 receive data source select: UART0_RX pin */ +#define SOPT5_UART0TXSRC_UART_TX 0x00u /*!< UART0 transmit data source select: UART0_TX pin */ + +const uint8_t dcd_data[] = { 0x00 }; + +void board_init(void) +{ + BOARD_BootClockRUN(); + SystemCoreClockUpdate(); + +#if CFG_TUSB_OS == OPT_OS_NONE + // 1ms tick timer + SysTick_Config(SystemCoreClock / 1000); +#elif CFG_TUSB_OS == OPT_OS_FREERTOS + // If freeRTOS is used, IRQ priority is limit by max syscall ( smaller is higher ) + NVIC_SetPriority(USB0_IRQn, configLIBRARY_MAX_SYSCALL_INTERRUPT_PRIORITY ); +#endif + + // LED + CLOCK_EnableClock(LED_PIN_CLOCK); + PORT_SetPinMux(LED_PIN_PORT, LED_PIN, LED_PIN_FUNCTION); + gpio_pin_config_t led_config = { kGPIO_DigitalOutput, 0 }; + GPIO_PinInit(LED_PORT, LED_PIN, &led_config); + board_led_write(true); + + // UART + CLOCK_EnableClock(UART_PIN_CLOCK); + PORT_SetPinMux(UART_PIN_PORT, UART_PIN_RX, UART_PIN_FUNCTION); + PORT_SetPinMux(UART_PIN_PORT, UART_PIN_TX, UART_PIN_FUNCTION); + SIM->SOPT5 = ((SIM->SOPT5 & + (~(SIM_SOPT5_UART0TXSRC_MASK | SIM_SOPT5_UART0RXSRC_MASK))) + | SIM_SOPT5_UART0TXSRC(SOPT5_UART0TXSRC_UART_TX) + | SIM_SOPT5_UART0RXSRC(SOPT5_UART0RXSRC_UART_RX) + ); + + lpsci_config_t uart_config; + CLOCK_SetLpsci0Clock(1); + LPSCI_GetDefaultConfig(&uart_config); + uart_config.baudRate_Bps = CFG_BOARD_UART_BAUDRATE; + uart_config.enableTx = true; + uart_config.enableRx = true; + LPSCI_Init(UART_PORT, &uart_config, CLOCK_GetPllFllSelClkFreq()); + + // USB + CLOCK_EnableUsbfs0Clock(kCLOCK_UsbSrcPll0, CLOCK_GetFreq(kCLOCK_PllFllSelClk)); +} + +//--------------------------------------------------------------------+ +// Board porting API +//--------------------------------------------------------------------+ + +void board_led_write(bool state) +{ + GPIO_WritePinOutput(LED_PORT, LED_PIN, state ? LED_STATE_ON : (1-LED_STATE_ON)); +} + +uint32_t board_button_read(void) +{ + return 0; +} + +int board_uart_read(uint8_t* buf, int len) +{ + LPSCI_ReadBlocking(UART_PORT, buf, len); + return len; +} + +int board_uart_write(void const * buf, int len) +{ + LPSCI_WriteBlocking(UART_PORT, (uint8_t*)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 |