Imported more library files

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2025-04-12 23:37:19 +01:00
parent 264a3462e0
commit 9d06f983af
2518 changed files with 1021900 additions and 52 deletions

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/***************************************************************************//**
* @file
* @brief MX25 flash shutdown
*******************************************************************************
* # License
* <b>Copyright 2020 Silicon Laboratories Inc. www.silabs.com</b>
*******************************************************************************
*
* SPDX-License-Identifier: Zlib
*
* The licensor of this software is Silicon Laboratories Inc.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
******************************************************************************/
#ifndef SL_MX25_FLASH_SHUTDOWN_H
#define SL_MX25_FLASH_SHUTDOWN_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdbool.h>
#include <stdint.h>
#include "em_device.h"
#include "sl_mx25_flash_shutdown_eusart_config.h"
/***************************************************************************//**
* @addtogroup mx25_flash_shutdown MX25 SPI Flash Shutdown
* @brief Provide a function to put the MX25 SPI flash into deep power down
* mode to reduce power consumption.
* @{
******************************************************************************/
/***************************************************************************//**
* @brief
* Put the MX25 SPI flash into deep power down mode.
*
* This function initializes SPI communication with the MX25 flash and sends
* the deep power-down instruction, which sets the device to minimal
* power consumption. The SPI communication is disabled to free the USART.
******************************************************************************/
void sl_mx25_flash_shutdown(void);
/**@}*/
#ifdef __cplusplus
}
#endif
#endif // SL_MX25_FLASH_SHUTDOWN_H

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/***************************************************************************//**
* @file
* @brief MX25 flash shutdown
*******************************************************************************
* # License
* <b>Copyright 2019 Silicon Laboratories Inc. www.silabs.com</b>
*******************************************************************************
*
* SPDX-License-Identifier: Zlib
*
* The licensor of this software is Silicon Laboratories Inc.
*
* This software is provided 'as-is', without any express or implied
* warranty. In no event will the authors be held liable for any damages
* arising from the use of this software.
*
* Permission is granted to anyone to use this software for any purpose,
* including commercial applications, and to alter it and redistribute it
* freely, subject to the following restrictions:
*
* 1. The origin of this software must not be misrepresented; you must not
* claim that you wrote the original software. If you use this software
* in a product, an acknowledgment in the product documentation would be
* appreciated but is not required.
* 2. Altered source versions must be plainly marked as such, and must not be
* misrepresented as being the original software.
* 3. This notice may not be removed or altered from any source distribution.
*
******************************************************************************/
#include "sl_clock_manager.h"
#include "sl_gpio.h"
#include "sl_udelay.h"
#include "sl_mx25_flash_shutdown.h"
#if defined(_SILICON_LABS_32B_SERIES_2)
#include "em_eusart.h"
#else
#include "sl_hal_eusart.h"
#endif
#include "stddef.h"
// Fallback to baudrate of 8 MHz if not defined for backwards compatibility
#ifndef SL_MX25_FLASH_SHUTDOWN_BAUDRATE
#define SL_MX25_FLASH_SHUTDOWN_BAUDRATE 7500000
#endif
// Define usart clock
#ifndef SL_MX25_FLASH_SHUTDOWN_SCLK
#define MERGE(x, y) x##y
#define EUSART_CLOCK(n) MERGE(SL_BUS_CLOCK_EUSART, n)
#define SL_MX25_FLASH_SHUTDOWN_SCLK EUSART_CLOCK(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO)
#endif
#ifdef SL_MX25_FLASH_SHUTDOWN_PERIPHERAL
static void cs_low(void)
{
sl_gpio_t mx25_flash_shutdown_cs_gpio = {
.port = SL_MX25_FLASH_SHUTDOWN_CS_PORT,
.pin = SL_MX25_FLASH_SHUTDOWN_CS_PIN,
};
sl_gpio_clear_pin(&mx25_flash_shutdown_cs_gpio);
}
static void cs_high(void)
{
sl_gpio_t mx25_flash_shutdown_cs_gpio = {
.port = SL_MX25_FLASH_SHUTDOWN_CS_PORT,
.pin = SL_MX25_FLASH_SHUTDOWN_CS_PIN,
};
sl_gpio_set_pin(&mx25_flash_shutdown_cs_gpio);
}
#endif
/***************************************************************************//**
* Puts the MX25 into deep power down mode.
******************************************************************************/
void sl_mx25_flash_shutdown(void)
{
#ifdef SL_MX25_FLASH_SHUTDOWN_PERIPHERAL
#if defined(_SILICON_LABS_32B_SERIES_2)
// Init flash
EUSART_SpiInit_TypeDef init = EUSART_SPI_MASTER_INIT_DEFAULT_HF;
EUSART_SpiAdvancedInit_TypeDef advancedInit = EUSART_SPI_ADVANCED_INIT_DEFAULT;
sl_clock_manager_enable_bus_clock(SL_BUS_CLOCK_GPIO);
sl_clock_manager_enable_bus_clock(SL_MX25_FLASH_SHUTDOWN_SCLK);
advancedInit.msbFirst = true;
advancedInit.autoCsEnable = false;
init.bitRate = SL_MX25_FLASH_SHUTDOWN_BAUDRATE;
init.advancedSettings = &advancedInit;
EUSART_SpiInit(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL, &init);
#else
// Init flash
sl_hal_eusart_spi_config_t init = SL_HAL_EUSART_SPI_MASTER_INIT_DEFAULT_HF;
sl_hal_eusart_spi_advanced_config_t advancedInit = SL_HAL_EUSART_SPI_ADVANCED_INIT_DEFAULT;
sl_clock_manager_enable_bus_clock(SL_BUS_CLOCK_GPIO);
sl_clock_manager_enable_bus_clock(SL_MX25_FLASH_SHUTDOWN_SCLK);
advancedInit.msb_first = true;
advancedInit.auto_cs_enable = false;
init.advanced_config = &advancedInit;
sl_hal_eusart_init_spi(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL, &init);
sl_hal_eusart_enable(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL);
sl_hal_eusart_enable_tx(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL);
sl_hal_eusart_enable_rx(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL);
#endif
// IO config
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_TX_PORT, SL_MX25_FLASH_SHUTDOWN_TX_PIN }, SL_GPIO_MODE_PUSH_PULL, 1);
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_RX_PORT, SL_MX25_FLASH_SHUTDOWN_RX_PIN }, SL_GPIO_MODE_INPUT, 0);
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_SCLK_PORT, SL_MX25_FLASH_SHUTDOWN_SCLK_PIN }, SL_GPIO_MODE_PUSH_PULL, 1);
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_CS_PORT, SL_MX25_FLASH_SHUTDOWN_CS_PIN }, SL_GPIO_MODE_PUSH_PULL, 1);
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].SCLKROUTE = ((SL_MX25_FLASH_SHUTDOWN_SCLK_PORT << _GPIO_EUSART_SCLKROUTE_PORT_SHIFT)
| (SL_MX25_FLASH_SHUTDOWN_SCLK_PIN << _GPIO_EUSART_SCLKROUTE_PIN_SHIFT));
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].RXROUTE = ((SL_MX25_FLASH_SHUTDOWN_RX_PORT << _GPIO_EUSART_RXROUTE_PORT_SHIFT)
| (SL_MX25_FLASH_SHUTDOWN_RX_PIN << _GPIO_EUSART_RXROUTE_PIN_SHIFT));
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].TXROUTE = ((SL_MX25_FLASH_SHUTDOWN_TX_PORT << _GPIO_EUSART_TXROUTE_PORT_SHIFT)
| (SL_MX25_FLASH_SHUTDOWN_TX_PIN << _GPIO_EUSART_TXROUTE_PIN_SHIFT));
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].ROUTEEN = (GPIO_EUSART_ROUTEEN_RXPEN
| GPIO_EUSART_ROUTEEN_TXPEN
| GPIO_EUSART_ROUTEEN_SCLKPEN);
// Wait for flash warm-up
sl_udelay_wait(800); // wait for tVSL=800us
// Wake up flash in case the device is in deep power down mode already.
cs_low();
sl_udelay_wait(20); // wait for tCRDP=20us
cs_high();
sl_udelay_wait(35); // wait for tRDP=35us
// Chip select go low to start a flash command
cs_low();
// Deep Power Down Mode command (0xB9)
#if defined(_SILICON_LABS_32B_SERIES_2)
EUSART_Spi_TxRx(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL, 0xB9);
#else
sl_hal_eusart_spi_tx_rx(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL, 0xB9);
#endif
// Chip select go high to end a flash command
cs_high();
// Deinit flash
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_TX_PORT, SL_MX25_FLASH_SHUTDOWN_TX_PIN }, SL_GPIO_MODE_DISABLED, 0);
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_RX_PORT, SL_MX25_FLASH_SHUTDOWN_RX_PIN }, SL_GPIO_MODE_DISABLED, 0);
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_SCLK_PORT, SL_MX25_FLASH_SHUTDOWN_SCLK_PIN }, SL_GPIO_MODE_DISABLED, 1);
sl_gpio_set_pin_mode(&(sl_gpio_t) {SL_MX25_FLASH_SHUTDOWN_CS_PORT, SL_MX25_FLASH_SHUTDOWN_CS_PIN }, SL_GPIO_MODE_DISABLED, 1);
#if defined(_SILICON_LABS_32B_SERIES_2)
EUSART_Reset(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL);
#else
sl_hal_eusart_reset(SL_MX25_FLASH_SHUTDOWN_PERIPHERAL);
#endif
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].ROUTEEN = _GPIO_EUSART_ROUTEEN_RESETVALUE;
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].SCLKROUTE = _GPIO_EUSART_SCLKROUTE_RESETVALUE;
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].RXROUTE = _GPIO_EUSART_RXROUTE_RESETVALUE;
GPIO->EUSARTROUTE[SL_MX25_FLASH_SHUTDOWN_PERIPHERAL_NO].TXROUTE = _GPIO_EUSART_TXROUTE_RESETVALUE;
sl_clock_manager_disable_bus_clock(SL_MX25_FLASH_SHUTDOWN_SCLK);
#endif
}