Merge pull request #10 from kienvo/led-scan

Add basic Charlieplexing scan

1 files changed, 180 insertions, 0 deletions

diff --git a/CH5xx_ble_firmware_library/StdPeriphDriver/inc/CH58x_i2c.h b/CH5xx_ble_firmware_library/StdPeriphDriver/inc/CH58x_i2c.h
new file mode 100644
index 0000000..1f30ced
--- /dev/null
+++ b/CH5xx_ble_firmware_library/StdPeriphDriver/inc/CH58x_i2c.h
@@ -0,0 +1,180 @@
+

+

+#ifndef __CH58x_I2C_H__

+#define __CH58x_I2C_H__

+

+#ifdef __cplusplus

+extern "C" {

+#endif

+

+/* I2C_transfer_direction */

+#define I2C_Direction_Transmitter    ((uint8_t)0x00)

+#define I2C_Direction_Receiver       ((uint8_t)0x01)

+

+/* I2C ADD0 mask */

+#define OADDR1_ADD0_Set              ((uint16_t)0x0001)

+#define OADDR1_ADD0_Reset            ((uint16_t)0xFFFE)

+

+/* I2C_NACK_position */

+#define I2C_NACKPosition_Next        ((uint16_t)RB_I2C_POS)

+#define I2C_NACKPosition_Current     ((uint16_t)~RB_I2C_POS)

+

+/* I2C_PEC_position */

+#define I2C_PECPosition_Next         ((uint16_t)RB_I2C_POS)

+#define I2C_PECPosition_Current      ((uint16_t)~RB_I2C_POS)

+

+/* I2C_SMBus_alert_pin_level */

+#define I2C_SMBusAlert_Low           ((uint16_t)RB_I2C_ALERT)

+#define I2C_SMBusAlert_High          ((uint16_t)~RB_I2C_ALERT)

+

+/* I2C FLAG mask */

+#define FLAG_Mask                    ((uint32_t)0x00FFFFFF)

+

+/* I2C Interrupt Enable mask */

+#define ITEN_Mask                    ((uint32_t)0x07000000)

+

+/* I2C_mode */

+typedef enum

+{

+    I2C_Mode_I2C = 0x0000,

+    I2C_Mode_SMBusDevice = 0x0002,

+    I2C_Mode_SMBusHost = 0x000A,

+} I2C_ModeTypeDef;

+

+/* I2C_duty_cycle_in_fast_mode */

+typedef enum

+{

+    I2C_DutyCycle_16_9 = RB_I2C_DUTY, /* I2C fast mode Tlow/Thigh = 16/9 */

+    I2C_DutyCycle_2 = 0x0000,         /* I2C fast mode Tlow/Thigh = 2 */

+} I2C_DutyTypeDef;

+

+/* I2C_acknowledgement - Enables or disables the acknowledgement.*/

+typedef enum

+{

+    I2C_Ack_Enable = RB_I2C_ACK,

+    I2C_Ack_Disable = 0x0000,

+} I2C_AckTypeDef;

+

+/* I2C_acknowledged_address - Specifies if 7-bit or 10-bit address is acknowledged. */

+typedef enum

+{

+    I2C_AckAddr_7bit = 0x4000,

+    I2C_AckAddr_10bit = 0xC000,

+} I2C_AckAddrTypeDef;

+

+/* I2C_interrupts_definition */

+typedef enum

+{

+    I2C_IT_BUF = 0x0400, /* Buffer interrupt mask. */

+    I2C_IT_EVT = 0x0200, /* Event interrupt mask. */

+    I2C_IT_ERR = 0x0100, /* Error interrupt mask. */

+} I2C_ITTypeDef;

+

+/* I2C_interrupts_definition */

+#define I2C_IT_SMBALERT                                      ((uint32_t)0x01008000)

+#define I2C_IT_TIMEOUT                                       ((uint32_t)0x01004000)

+#define I2C_IT_PECERR                                        ((uint32_t)0x01001000)

+#define I2C_IT_OVR                                           ((uint32_t)0x01000800)

+#define I2C_IT_AF                                            ((uint32_t)0x01000400)

+#define I2C_IT_ARLO                                          ((uint32_t)0x01000200)

+#define I2C_IT_BERR                                          ((uint32_t)0x01000100)

+#define I2C_IT_TXE                                           ((uint32_t)0x06000080)

+#define I2C_IT_RXNE                                          ((uint32_t)0x06000040)

+#define I2C_IT_STOPF                                         ((uint32_t)0x02000010)

+#define I2C_IT_ADD10                                         ((uint32_t)0x02000008)

+#define I2C_IT_BTF                                           ((uint32_t)0x02000004)

+#define I2C_IT_ADDR                                          ((uint32_t)0x02000002)

+#define I2C_IT_SB                                            ((uint32_t)0x02000001)

+

+/* SR2 register flags  */

+#define I2C_FLAG_DUALF                                       ((uint32_t)0x00800000)

+#define I2C_FLAG_SMBHOST                                     ((uint32_t)0x00400000)

+#define I2C_FLAG_SMBDEFAULT                                  ((uint32_t)0x00200000)

+#define I2C_FLAG_GENCALL                                     ((uint32_t)0x00100000)

+#define I2C_FLAG_TRA                                         ((uint32_t)0x00040000)

+#define I2C_FLAG_BUSY                                        ((uint32_t)0x00020000)

+#define I2C_FLAG_MSL                                         ((uint32_t)0x00010000)

+

+/* SR1 register flags */

+#define I2C_FLAG_SMBALERT                                    ((uint32_t)0x10008000)

+#define I2C_FLAG_TIMEOUT                                     ((uint32_t)0x10004000)

+#define I2C_FLAG_PECERR                                      ((uint32_t)0x10001000)

+#define I2C_FLAG_OVR                                         ((uint32_t)0x10000800)

+#define I2C_FLAG_AF                                          ((uint32_t)0x10000400)

+#define I2C_FLAG_ARLO                                        ((uint32_t)0x10000200)

+#define I2C_FLAG_BERR                                        ((uint32_t)0x10000100)

+#define I2C_FLAG_TXE                                         ((uint32_t)0x10000080)

+#define I2C_FLAG_RXNE                                        ((uint32_t)0x10000040)

+#define I2C_FLAG_STOPF                                       ((uint32_t)0x10000010)

+#define I2C_FLAG_ADD10                                       ((uint32_t)0x10000008)

+#define I2C_FLAG_BTF                                         ((uint32_t)0x10000004)

+#define I2C_FLAG_ADDR                                        ((uint32_t)0x10000002)

+#define I2C_FLAG_SB                                          ((uint32_t)0x10000001)

+

+/****************I2C Master Events (Events grouped in order of communication)********************/

+

+#define I2C_EVENT_MASTER_MODE_SELECT                         ((uint32_t)0x00030001) /* BUSY, MSL and SB flag */

+#define I2C_EVENT_MASTER_TRANSMITTER_MODE_SELECTED           ((uint32_t)0x00070082) /* BUSY, MSL, ADDR, TXE and TRA flags */

+#define I2C_EVENT_MASTER_RECEIVER_MODE_SELECTED              ((uint32_t)0x00030002) /* BUSY, MSL and ADDR flags */

+#define I2C_EVENT_MASTER_MODE_ADDRESS10                      ((uint32_t)0x00030008) /* BUSY, MSL and ADD10 flags */

+#define I2C_EVENT_MASTER_BYTE_RECEIVED                       ((uint32_t)0x00030040) /* BUSY, MSL and RXNE flags */

+#define I2C_EVENT_MASTER_BYTE_TRANSMITTING                   ((uint32_t)0x00070080) /* TRA, BUSY, MSL, TXE flags */

+#define I2C_EVENT_MASTER_BYTE_TRANSMITTED                    ((uint32_t)0x00070084) /* TRA, BUSY, MSL, TXE and BTF flags */

+

+/******************I2C Slave Events (Events grouped in order of communication)******************/

+

+#define I2C_EVENT_SLAVE_RECEIVER_ADDRESS_MATCHED             ((uint32_t)0x00020002) /* BUSY and ADDR flags */

+#define I2C_EVENT_SLAVE_TRANSMITTER_ADDRESS_MATCHED          ((uint32_t)0x00060082) /* TRA, BUSY, TXE and ADDR flags */

+#define I2C_EVENT_SLAVE_RECEIVER_SECONDADDRESS_MATCHED       ((uint32_t)0x00820000) /* DUALF and BUSY flags */

+#define I2C_EVENT_SLAVE_TRANSMITTER_SECONDADDRESS_MATCHED    ((uint32_t)0x00860080) /* DUALF, TRA, BUSY and TXE flags */

+#define I2C_EVENT_SLAVE_GENERALCALLADDRESS_MATCHED           ((uint32_t)0x00120000) /* GENCALL and BUSY flags */

+#define I2C_EVENT_SLAVE_BYTE_RECEIVED                        ((uint32_t)0x00020040) /* BUSY and RXNE flags */

+#define I2C_EVENT_SLAVE_STOP_DETECTED                        ((uint32_t)0x00000010) /* STOPF flag */

+#define I2C_EVENT_SLAVE_BYTE_TRANSMITTED                     ((uint32_t)0x00060084) /* TRA, BUSY, TXE and BTF flags */

+#define I2C_EVENT_SLAVE_BYTE_TRANSMITTING                    ((uint32_t)0x00060080) /* TRA, BUSY and TXE flags */

+#define I2C_EVENT_SLAVE_ACK_FAILURE                          ((uint32_t)0x00000400) /* AF flag */

+

+void I2C_Init(I2C_ModeTypeDef I2C_Mode, UINT32 I2C_ClockSpeed, I2C_DutyTypeDef I2C_DutyCycle,

+              I2C_AckTypeDef I2C_Ack, I2C_AckAddrTypeDef I2C_AckAddr, UINT16 I2C_OwnAddress1);

+void I2C_Cmd(FunctionalState NewState);

+void I2C_GenerateSTART(FunctionalState NewState);

+void I2C_GenerateSTOP(FunctionalState NewState);

+void I2C_AcknowledgeConfig(FunctionalState NewState);

+void I2C_OwnAddress2Config(uint8_t Address);

+void I2C_DualAddressCmd(FunctionalState NewState);

+void I2C_GeneralCallCmd(FunctionalState NewState);

+void I2C_ITConfig(I2C_ITTypeDef I2C_IT, FunctionalState NewState);

+void I2C_SendData(uint8_t Data);

+

+uint8_t I2C_ReceiveData(void);

+

+void I2C_Send7bitAddress(uint8_t Address, uint8_t I2C_Direction);

+void I2C_SoftwareResetCmd(FunctionalState NewState);

+void I2C_NACKPositionConfig(uint16_t I2C_NACKPosition);

+void I2C_SMBusAlertConfig(uint16_t I2C_SMBusAlert);

+void I2C_TransmitPEC(FunctionalState NewState);

+void I2C_PECPositionConfig(uint16_t I2C_PECPosition);

+void I2C_CalculatePEC(FunctionalState NewState);

+

+uint8_t I2C_GetPEC(void);

+

+void I2C_ARPCmd(FunctionalState NewState);

+void I2C_StretchClockCmd(FunctionalState NewState);

+void I2C_FastModeDutyCycleConfig(uint16_t I2C_DutyCycle);

+

+/****************************************************************************************

+ *                         I2C State Monitoring Functions

+ ****************************************************************************************/

+uint8_t    I2C_CheckEvent(uint32_t I2C_EVENT);

+uint32_t   I2C_GetLastEvent(void);

+FlagStatus I2C_GetFlagStatus(uint32_t I2C_FLAG);

+

+void     I2C_ClearFlag(uint32_t I2C_FLAG);

+ITStatus I2C_GetITStatus(uint32_t I2C_IT);

+void     I2C_ClearITPendingBit(uint32_t I2C_IT);

+

+#ifdef __cplusplus

+}

+#endif

+

+#endif // __CH58x_I2C_H__