mirror of
https://github.com/jialexd/sdk-ameba-v4.0c_180328.git
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239 lines
6.6 KiB
C
Executable file
239 lines
6.6 KiB
C
Executable file
/** mbed Microcontroller Library
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******************************************************************************
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* @file sys_api.c
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* @author
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* @version V1.0.0
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* @date 2016-08-01
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* @brief This file provides following mbed system API:
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* -JTAG OFF
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* -LOGUART ON/OFF
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* -OTA image switch
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* -System Reset
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******************************************************************************
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* @attention
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*
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* This module is a confidential and proprietary property of RealTek and
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* possession or use of this module requires written permission of RealTek.
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*
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* Copyright(c) 2016, Realtek Semiconductor Corporation. All rights reserved.
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******************************************************************************
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*/
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#include "cmsis.h"
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#include "sys_api.h"
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#include "flash_api.h"
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#include "device_lock.h"
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void rtc_backup_timeinfo(void);
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#define OTA_Signature "81958711"
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#define OTA_Signature_len 8
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#define OTA_valid_offset 0x100000
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#define printf DiagPrintf
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/**
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* @brief Turn off the JTAG function
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* @retval none
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*/
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void sys_jtag_off(void)
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{
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boot_export_symbol.swd_off();
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}
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/**
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* @brief switch OTA image if the othe OTA image is valid
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* @retval none
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* @note for AmebaZ, sys_clear_ota_signature is the same with sys_recover_ota_signature
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*/
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void sys_clear_ota_signature(void)
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{
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flash_t flash;
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u32 part1_offset = 0;
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u32 part2_offset = 0;
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u32 ota1_valid = 0;
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u32 ota2_valid = 0;
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u8 signature[OTA_Signature_len+1] = {0};
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part1_offset = (FLASH_OTA1_CODE_ADDR - 0x20);
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flash_stream_read(&flash, part1_offset, OTA_Signature_len, signature);
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if(!_memcmp((char const*)signature, OTA_Signature, OTA_Signature_len)){
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ota1_valid = 1;
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}
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printf("\n\rOTA ota1_signature = %s \n", signature);
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flash_stream_read(&flash, FLASH_SYSTEM_DATA_ADDR, 4, (u8*)&part2_offset);
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flash_stream_read(&flash, (part2_offset -SPI_FLASH_BASE) , OTA_Signature_len, signature);
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if(!_memcmp((char const*)signature, OTA_Signature, OTA_Signature_len)){
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ota2_valid = 1;
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}
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printf("\n\rOTA ota2_signature = %s \n", signature);
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printf("\n\rOTA ota1_valid = 0x%08X ota2_valid = 0x%08X \n", ota1_valid, ota2_valid);
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if ((ota1_valid == 1) && (ota2_valid == 1)) {
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u32 ValidIMG2 = HAL_READ32(SPI_FLASH_BASE, FLASH_SYSTEM_DATA_ADDR + 4);
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u32 BitIdx = 0;
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if (ValidIMG2 == 0x00000000) {
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FLASH_EreaseDwordsXIP((FLASH_SYSTEM_DATA_ADDR + 4), 1);
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ValidIMG2 = 0xFFFFFFFF;
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}
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for (BitIdx = 0; BitIdx <= 31; BitIdx++) {
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if ((ValidIMG2 & BIT(BitIdx)) != 0) {
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break;
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}
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}
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/* switch OAT image */
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ValidIMG2 &= ~BIT(BitIdx);
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/* write flash */
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FLASH_TxData12BXIP((FLASH_SYSTEM_DATA_ADDR + 4), 4, (u8*)&ValidIMG2);
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}
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}
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/**
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* @brief switch OTA image if the othe OTA image is valid
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* @retval none
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* @note for AmebaZ, sys_clear_ota_signature is the same with sys_recover_ota_signature
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*/
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void sys_recover_ota_signature(void)
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{
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sys_clear_ota_signature();
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}
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/**
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* @brief open log uart
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* @retval none
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*/
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void sys_log_uart_on(void)
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{
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/* 0: S1 PA29 & PA30, 1: S0 PA16 & PA17 */
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/* EFUSE default 0: S1 */
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if (HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_EFUSE_SYSCFG6) & BIT_SYS_UART2_DEFAULT_GPIO) {
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PinCtrl(PERIPHERAL_LOG_UART, S0, ON);
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} else {
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PinCtrl(PERIPHERAL_LOG_UART, S1, ON);
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}
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UART_INTConfig(UART2_DEV, RUART_IER_ERBI | RUART_IER_ELSI, ENABLE);
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UART_RxCmd(UART2_DEV, ENABLE);
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}
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/**
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* @brief close log uart
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* @retval none
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*/
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void sys_log_uart_off(void)
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{
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UART_INTConfig(UART2_DEV, RUART_IER_ERBI | RUART_IER_ELSI, DISABLE);
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UART_RxCmd(UART2_DEV, DISABLE);
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/* 0: S1 PA29 & PA30, 1: S0 PA16 & PA17 */
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/* EFUSE default 0: S1 */
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if (HAL_READ32(SYSTEM_CTRL_BASE, REG_SYS_EFUSE_SYSCFG6) & BIT_SYS_UART2_DEFAULT_GPIO) {
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PinCtrl(PERIPHERAL_LOG_UART, S0, OFF);
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} else {
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PinCtrl(PERIPHERAL_LOG_UART, S1, OFF);
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}
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}
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/**
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* @brief store or load adc calibration parameter
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* @param write: this parameter can be one of the following values:
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* @arg 0: load adc calibration parameter offset & gain from flash system data region
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* @arg 1: store adc calibration parameter offset & gain to flash system data region
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* @param offset: pointer to adc parameter offset
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* @param gain: pointer to adc parameter gain
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* @retval none
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*/
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void sys_adc_calibration(u8 write, u16 *offset, u16 *gain)
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{
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flash_t flash;
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u32 flash_data = 0;
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flash_data = (u32)*offset;
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flash_data |= (u32)((*gain) << 16);
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if(write){
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FLASH_EreaseDwordsXIP((FLASH_SYSTEM_DATA_ADDR + FLASH_ADC_PARA_OFFSET), 1);
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FLASH_TxData12BXIP((FLASH_SYSTEM_DATA_ADDR + FLASH_ADC_PARA_OFFSET), 4, (u8*)&flash_data);
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printf("\n\rStore ADC calibration success.");
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}
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flash_stream_read(&flash, (FLASH_SYSTEM_DATA_ADDR + FLASH_ADC_PARA_OFFSET), 4, (u8*)&flash_data);
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printf("\n\rADC offset = 0x%04X, gain = 0x%04X.\n\r", (flash_data & 0xFFFF), (flash_data & 0xFFFF0000) >> 16);
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}
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/**
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* @brief system software reset
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* @retval none
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*/
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void sys_reset(void)
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{
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rtc_backup_timeinfo();
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/* Set processor clock to default(2: 31.25MHz) before system reset */
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HAL_WRITE32(SYSTEM_CTRL_BASE, REG_SYS_CLK_CTRL1, 0x00000021);
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DelayUs(100*1000);
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/* Cortex-M3 SCB->AIRCR */
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SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) | // VECTKEY
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(SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) | // PRIGROUP
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SCB_AIRCR_SYSRESETREQ_Msk); // SYSRESETREQ
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}
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/**
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* @brief vector reset
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* @retval none
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*/
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void sys_cpu_reset(void)
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{
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u32 reg_value;
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rtc_backup_timeinfo();
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reg_value = HAL_READ32(PERI_ON_BASE, REG_SOC_FUNC_EN);
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reg_value |= BIT_SOC_PATCH_FUNC1;
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HAL_WRITE32(PERI_ON_BASE, REG_SOC_FUNC_EN, reg_value);
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/* Ensure all outstanding memory accesses included */
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/* buffered write are completed before reset */
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__DSB();
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/* CPU reset */
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/* Keep priority group unchanged */
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SCB->AIRCR = ((0x5FA << SCB_AIRCR_VECTKEY_Pos) |
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(SCB->AIRCR & SCB_AIRCR_PRIGROUP_Msk) |
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SCB_AIRCR_VECTRESET_Pos | SCB_AIRCR_VECTCLRACTIVE_Pos);
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/* Ensure completion of memory access */
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__DSB();
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while(1);
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}
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/**
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* @brief get rdp status
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* @retval :RDP valid status
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* This parameter can be one of the following values:
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* @arg 0: rdp valid
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* @arg 1: system.bin not load to flash
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* @arg 2: rdp.bin not load to flash
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* @arg 3: Key request timeout
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* @arg 4: RDP not enable in efuse
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* @arg 5: Check sum error
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*/
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u32 sys_get_rdp_valid(void)
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{
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return boot_export_symbol.rdp_valid();
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}
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/******************* (C) COPYRIGHT 2016 Realtek Semiconductor *****END OF FILE****/
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