oswald/metawatch/mw_bt.h
2021-02-14 18:03:13 +01:00

67 lines
1.9 KiB
C

#ifndef _MW_BT_H
#define _MW_BT_H
#define BT_RST_PIN BIT3
#define BT_RST_PSEL P10SEL
#define BT_RST_POUT P10OUT
#define BT_RST_PDIR P10DIR
#define BT_IO_PSEL P1SEL
#define BT_IO_RTS BIT0
#define BT_IO_CTS BIT3
#define BT_IO_POUT P1OUT
#define BT_IO_PIN P1IN
#define BT_IO_PDIR P1DIR
#define BT_IO_REN P1REN
#define BT_IO_PIN1 BIT5
#define BT_IO_PIN2 BIT6
#define BT_IO_CLKREQ BIT4
#define BT_SHUTDOWN() { BT_RST_POUT &= ~BT_RST_PIN; }
#define BT_ENABLE() { BT_RST_POUT |= BT_RST_PIN; }
#define BT_UART_PSEL P5SEL
#define BT_UART_PDIR P5DIR
#define BT_UART_REN P5REN
#define BT_UART_POUT P5OUT
#define BT_UART_TX_PIN BIT6
#define BT_UART_RX_PIN BIT7
#define CONFIG_BT_PINS() { \
BT_RST_PSEL &= ~BT_RST_PIN; \
BT_RST_PDIR |= BT_RST_PIN; \
BT_SHUTDOWN(); \
BT_IO_PSEL &= ~(BT_IO_RTS | BT_IO_CTS | BT_IO_PIN1 | BT_IO_PIN2 | BT_IO_CLKREQ); \
BT_IO_PDIR &= ~(BT_IO_RTS | BT_IO_CTS | BT_IO_PIN1 | BT_IO_PIN2 | BT_IO_CLKREQ); \
BT_IO_POUT &= ~(BT_IO_RTS | BT_IO_CTS | BT_IO_PIN1 | BT_IO_PIN2 | BT_IO_CLKREQ); \
BT_UART_PSEL &= ~(BT_UART_TX_PIN | BT_UART_RX_PIN); \
BT_UART_PDIR &= ~(BT_UART_TX_PIN | BT_UART_RX_PIN); \
BT_UART_REN |= BT_UART_TX_PIN | BT_UART_RX_PIN; \
BT_UART_POUT |= BT_UART_TX_PIN | BT_UART_RX_PIN; \
}
void mw_enable_bt(void);
void mw_disable_bt(void);
typedef enum {
BT_UART_BD19200 = 0,
BT_UART_BD38400,
BT_UART_BD57600,
BT_UART_BD115200,
BT_UART_BD234000,
} bt_uart_baud_t;
#define BT_MW_DEVICE_CLASS 0x842704 /* Limited discovery, Rendering, Information, Wearable, Wrist Watch */
#define BT_RX_MAX_SIZE 255
void mw_init_bt_uart(const bt_uart_baud_t baud);
int mw_bt_uart_tx(const void *buf, const unsigned int len);
// extern char BT_UART_RX_CHAR;
int mw_bt_get_rxbuf_len(void);
const unsigned char *mw_bt_get_rx_buf(unsigned char **rpos, unsigned char *len);
unsigned char bt_feed_packet_data(unsigned char pdata);
uint8_t mw_bt_is_enabled(void);
#endif