diff options
| author | Fran莽ois Cartegnie <281376+fcartegnie@users.noreply.github.com> | 2024-06-06 11:22:09 +0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2024-06-06 11:22:09 +0700 |
| commit | f6d84a1ead1a57574c45bb80b6fd450c5b784e09 (patch) | |
| tree | ccfe2db3861197bc29eff52e53a814d909501863 /CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_flash.c | |
| parent | d641c0de85f6ccf73c8c99012f1a5c4e28af54dc (diff) | |
| parent | 90cdb61063b408aa4d8ba0c1e3c36d804f69f61a (diff) | |
Merge pull request #10 from kienvo/led-scan
Add basic Charlieplexing scan
Diffstat (limited to 'CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_flash.c')
| -rw-r--r-- | CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_flash.c | 166 |
1 files changed, 166 insertions, 0 deletions
diff --git a/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_flash.c b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_flash.c new file mode 100644 index 0000000..6c726ec --- /dev/null +++ b/CH5xx_ble_firmware_library/StdPeriphDriver/CH58x_flash.c @@ -0,0 +1,166 @@ +/********************************** (C) COPYRIGHT *******************************
+ * File Name : CH58x_flash.c
+ * Author : WCH
+ * Version : V1.2
+ * Date : 2021/11/17
+ * Description
+ *********************************************************************************
+ * Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
+ * Attention: This software (modified or not) and binary are used for
+ * microcontroller manufactured by Nanjing Qinheng Microelectronics.
+ *******************************************************************************/
+
+#include "CH58x_common.h"
+
+/* RESET_EN */
+#define RESET_Enable 0x00000008
+#define RESET_Disable 0xFFFFFFF7
+
+/* LOCKUP_RST_EN */
+#define UART_NO_KEY_Enable 0x00000100
+#define UART_NO_KEY_Disable 0xFFFFFEFF
+
+/* BOOT_PIN */
+#define BOOT_PIN_PB22 0x00000200
+#define BOOT_PIN_PB11 0xFFFFFDFF
+
+/* FLASH_WRProt */
+#define FLASH_WRProt 0xFFF003FF
+
+/*********************************************************************
+ * @fn FLASH_ROM_READ
+ *
+ * @brief Read Flash
+ *
+ * @param StartAddr - read address
+ * @param Buffer - read buffer
+ * @param len - read len
+ *
+ * @return none
+ */
+void FLASH_ROM_READ(uint32_t StartAddr, void *Buffer, uint32_t len)
+{
+ uint32_t i, Length = (len + 3) >> 2;
+ uint32_t *pCode = (uint32_t *)StartAddr;
+ uint32_t *pBuf = (uint32_t *)Buffer;
+
+ for(i = 0; i < Length; i++)
+ {
+ *pBuf++ = *pCode++;
+ }
+}
+
+/*********************************************************************
+ * @fn UserOptionByteConfig
+ *
+ * @brief Configure User Option Byte.需在调用用户配置字生效函数后生效,且每次烧录后只能修改一次
+ * (使用该函数，必须使用官方提供的.S文件，同时调用该函数后，两次上电后，两线调试接口默认关闭)
+ *
+ * @param RESET_EN - 外部复位引脚使能
+ * @param BOOT_PIN - ENABLE-使用默认boot脚-PB22,DISABLE-使用boot脚-PB11
+ * @param UART_NO_KEY_EN - 串口免按键下载使能
+ * @param FLASHProt_Size - 写保护大小(单位4K)
+ *
+ * @return 0-Success, 1-Err
+ */
+uint8_t UserOptionByteConfig(FunctionalState RESET_EN, FunctionalState BOOT_PIN, FunctionalState UART_NO_KEY_EN,
+ uint32_t FLASHProt_Size)
+{
+ uint32_t s, t;
+
+ FLASH_ROM_READ(0x14, &s, 4);
+
+ if(s == 0xF5F9BDA9)
+ {
+ s = 0;
+ FLASH_EEPROM_CMD(CMD_GET_ROM_INFO, 0x7EFFC, &s, 4);
+ s &= 0xFF;
+
+ if(RESET_EN == ENABLE)
+ s |= RESET_Enable;
+ else
+ s &= RESET_Disable;
+
+ /* bit[7:0]-bit[31-24] */
+ s |= ((~(s << 24)) & 0xFF000000); //高8位 配置信息取反；
+
+ if(BOOT_PIN == ENABLE)
+ s |= BOOT_PIN_PB22;
+ if(UART_NO_KEY_EN == ENABLE)
+ s |= UART_NO_KEY_Enable;
+
+ /* bit[23-10] */
+ s &= 0xFF0003FF;
+ s |= ((FLASHProt_Size << 10) | (5 << 20)) & 0x00FFFC00;
+
+ /*Write user option byte*/
+ FLASH_ROM_WRITE(0x14, &s, 4);
+
+ /* Verify user option byte */
+ FLASH_ROM_READ(0x14, &t, 4);
+
+ if(s == t)
+ return 0;
+ else
+ return 1;
+ }
+
+ return 1;
+}
+
+/*********************************************************************
+ * @fn UserOptionByteClose_SWD
+ *
+ * @brief 关两线调试接口，其余配置值保持不变.需在调用用户配置字生效函数后生效,且每次烧录后只能修改一次
+ * (使用该函数，必须使用官方提供的.S文件，同时调用该函数后，两次上电后，两线调试接口默认关闭)
+ *
+ * @return 0-Success, 1-Err
+ */
+uint8_t UserOptionByteClose_SWD(void)
+{
+ uint32_t s, t;
+
+ FLASH_ROM_READ(0x14, &s, 4);
+
+ if(s == 0xF5F9BDA9)
+ {
+ FLASH_EEPROM_CMD(CMD_GET_ROM_INFO, 0x7EFFC, &s, 4);
+
+ s &= ~((1 << 4) | (1 << 7)); //禁用调试功能， 禁用SPI读写FLASH
+
+ /* bit[7:0]-bit[31-24] */
+ s &= 0x00FFFFFF;
+ s |= ((~(s << 24)) & 0xFF000000); //高8位 配置信息取反；
+
+ /*Write user option byte*/
+ FLASH_ROM_WRITE(0x14, &s, 4);
+
+ /* Verify user option byte */
+ FLASH_ROM_READ(0x14, &t, 4);
+
+ if(s == t)
+ return 0;
+ else
+ return 1;
+ }
+
+ return 1;
+}
+
+/*********************************************************************
+ * @fn UserOptionByte_Active
+ *
+ * @brief 用户配置字生效函数，执行后自动复位
+ *
+ * @return 0-Success, 1-Err
+ */
+void UserOptionByte_Active(void)
+{
+ FLASH_ROM_SW_RESET();
+ sys_safe_access_enable();
+ R16_INT32K_TUNE = 0xFFFF;
+ sys_safe_access_enable();
+ R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
+ sys_safe_access_disable();
+ while(1);
+}
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