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moved stuff out of i2cdemo.c and into drivers/headers

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This commit is contained in:
Michael Ossmann
2012-06-04 17:30:08 -06:00
parent 44db38301c
commit 5698016877
4 changed files with 52 additions and 115 deletions
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23
include/libopencm3/lpc43xx/cgu.h
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@@ -163,4 +163,27 @@
/* Output stage 27 control CLK register for base clock */
#define CGU_BASE_CGU_OUT1_CLK MMIO32(CGU_BASE + 0x0C8)
/* --- CGU_BASE_x_CLK values ----------------------------------------------- */
#define CGU_BASE_CLK_PD (1 << 0) /* output stage power-down */
#define CGU_BASE_CLK_AUTOBLOCK (1 << 11) /* block clock automatically */
#define CGU_BASE_CLK_SEL_SHIFT 24 /* clock source selection (5 bits) */
/* --- CGU_BASE_x_CLK clock sources --------------------------------------- */
#define CGU_SRC_32K 0x00
#define CGU_SRC_IRC 0x01
#define CGU_SRC_ENET_RX 0x02
#define CGU_SRC_ENET_TX 0x03
#define CGU_SRC_GP_CLKIN 0x04
#define CGU_SRC_XTAL 0x06
#define CGU_SRC_PLL0USB 0x07
#define CGU_SRC_PLL0AUDIO 0x08
#define CGU_SRC_PLL1 0x09
#define CGU_SRC_IDIVA 0x0C
#define CGU_SRC_IDIVB 0x0D
#define CGU_SRC_IDIVC 0x0E
#define CGU_SRC_IDIVD 0x0F
#define CGU_SRC_IDIVE 0x10
#endif

29
include/libopencm3/lpc43xx/i2c.h
View File

@@ -29,7 +29,6 @@
#define I2C0 I2C0_BASE
#define I2C1 I2C1_BASE
/* --- I2C registers ------------------------------------------------------- */
/* I2C Control Set Register */
@@ -112,4 +111,32 @@
#define I2C0_MASK3 I2C_MASK3(I2C0)
#define I2C1_MASK3 I2C_MASK3(I2C1)
/* --- I2Cx_CONCLR values -------------------------------------------------- */
#define I2C_CONCLR_AAC (1 << 2) /* Assert acknowledge Clear */
#define I2C_CONCLR_SIC (1 << 3) /* I2C interrupt Clear */
#define I2C_CONCLR_STAC (1 << 5) /* START flag Clear */
#define I2C_CONCLR_I2ENC (1 << 6) /* I2C interface Disable bit */
/* --- I2Cx_CONSET values -------------------------------------------------- */
#define I2C_CONSET_AA (1 << 2) /* Assert acknowledge flag */
#define I2C_CONSET_SI (1 << 3) /* I2C interrupt flag */
#define I2C_CONSET_STO (1 << 4) /* STOP flag */
#define I2C_CONSET_STA (1 << 5) /* START flag */
#define I2C_CONSET_I2EN (1 << 6) /* I2C interface enable */
/* --- I2C const definitions ----------------------------------------------- */
#define I2C_WRITE 0
#define I2C_READ 1
/* --- I2C funtion prototypes----------------------------------------------- */
void i2c0_init(void);
void i2c0_tx_start(void);
void i2c0_tx_byte(u8 byte);
u8 i2c0_rx_byte(void);
void i2c0_stop(void);
#endif