Initial import of NFC GNSS SDK project

2026-09-15 16:10:12 +08:00
commit 2746cc3d4e
3070 changed files with 892062 additions and 0 deletions
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+#ifndef _DM_I2C_H_
+#define _DM_I2C_H_
+#include "common.h"
+
+typedef enum {
+    I2C_RC_OK,
+    I2C_RC_NOT_OK,
+    I2C_RC_INVALID_DATA_SIZE,
+    I2C_RC_INVALID_DATA_PTR,
+    I2C_RC_TOO_MANY_REGISTERS,
+    I2C_RC_TIMEOUT_ERROR,                               // 5
+    I2C_RC_CHIP_BUSY,                                   // 6
+    I2C_RC_INVALID_GENERAL_CALL_SLAVE_ADDRESS,          // 7
+    I2C_RC_UNREGISTER_ERR,                              // 8
+    I2C_RC_MESSAGE_QUEUE_IS_FULL,                       // 9
+    I2C_ISR_UNEXPECTED_INTERRUPT,                       // 0xA
+    I2C_ISR_BUS_ERROR,                                  // 0xB
+    I2C_ISR_BUS_BUSY,                                   // 0xC
+    I2C_ISR_EARLY_BUS_BUSY,                             // 0xD
+    I2C_ISR_CALL_BACK_FUNCTION_ERR,                     // 0xE
+    I2C_ISR_ARBITRATION_LOSS,                           // 0xF
+    I2C_RC_ILLEGAL_USE_OF_API
+} I2C_ReturnCode;
+
+void i2cInit(void);
+I2C_ReturnCode i2cSend(UINT8 Slave_addr, UINT8 RegAddr, UINT8 RegData);
+UINT8 i2cReceive(  UINT8 Slave_addr, UINT8 I2CRegAddr);
+#endif /* _DM_I2C_H_ */