initial commit

2026-04-08 16:58:54 +09:00
commit 82e33d8bf9
2578 changed files with 1590432 additions and 0 deletions
--- a/project/ble_peripheral/ble_app_vivaMayo/i2c_manager.c
+++ b/project/ble_peripheral/ble_app_vivaMayo/i2c_manager.c
@@ -0,0 +1,94 @@
+/*******************************************************************************
+ * @file    i2c_manager.c
+ * @brief   Reliable HW↔SW I2C Switching Logic (with Mode Set Logging)
+ ******************************************************************************/
+
+#include "i2c_manager.h"
+#include "debug_print.h"
+#include "nrf_delay.h"
+
+#include "mcp4725_i2c.h"
+#include "nrf_drv_twi.h"
+#include "cat_interface.h"
+bool HW_I2C_FRQ = true;
+bool SW_I2C_FRQ = false;
+
+/* 외부 EEPROM TWI 인스턴스 */
+extern const nrf_drv_twi_t m_eeprom;
+
+/* -------------------------------------------------------------------------- */
+/* HW (TWI) 초기화                                                            */
+/* -------------------------------------------------------------------------- */
+void hw_i2c_init_once(void)
+{
+    // SW 모드일 경우 강제 해제 후 HW 전환
+    if (SW_I2C_FRQ)
+    {
+        //DBG_PRINTF("[I2C]SW→HW\r\n");
+
+        // SW 리소스 해제 (필요 시 추가)
+        SW_I2C_FRQ = false;
+        nrf_delay_ms(2);
+    }
+
+    // 이미 HW면 스킵
+    if (HW_I2C_FRQ)
+    {
+       // DBG_PRINTF("[I2C] HW I2C set\r\n");
+        return;
+    }
+
+    // 실제 HW 초기화
+    // eeprom_initialize();  /* vivaMayo: No EEPROM */
+    nrf_delay_ms(2);
+
+    HW_I2C_FRQ = true;
+    SW_I2C_FRQ = false;
+
+ //   DBG_PRINTF("[I2C] HW I2C Mode set!\r\n");
+}
+
+/* -------------------------------------------------------------------------- */
+/* SW (Port Bang-Bang) 초기화                                                 */
+/* -------------------------------------------------------------------------- */
+void sw_i2c_init_once(void)
+{
+    // HW 모드일 경우 강제 해제 후 SW 전환
+    if (HW_I2C_FRQ)
+    {
+        //DBG_PRINTF("[I2C]HW→SW\r\n");
+
+        nrf_drv_twi_disable(&m_eeprom);
+        nrf_drv_twi_uninit(&m_eeprom);
+        nrf_delay_ms(2);
+
+        HW_I2C_FRQ = false;
+    }
+
+    // 이미 SW 모드면 재실행 금지
+    if (SW_I2C_FRQ)
+    {
+       // DBG_PRINTF("[I2C] SWI2C already initialized\r\n");
+        return;
+    }
+
+    // 실제 SW 초기화
+    // eeprom_uninitialize(); // TWI 라인 해제  /* vivaMayo: No EEPROM */
+    nrf_delay_ms(1);
+    mcp4725_init();        // Port BangBang 방식 DAC init
+
+    SW_I2C_FRQ = true;
+    HW_I2C_FRQ = false;
+
+   // DBG_PRINTF("[I2C] SW I2C Mode set!\r\n");
+}
+
+/* -------------------------------------------------------------------------- */
+/* 전체 리셋                                                                 */
+/* -------------------------------------------------------------------------- */
+void i2c_reset_state(void)
+{
+    HW_I2C_FRQ = false;
+    SW_I2C_FRQ = false;
+    DBG_PRINTF("Flags reset\r\n");
+}