libopencm3
A free/libre/open-source firmware library for various ARM Cortex-M3 microcontrollers.
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Go to the source code of this file.
Macros | |
#define | I2C0 I2C0_BASE |
#define | I2C1 I2C1_BASE |
#define | I2C_CONSET(port) MMIO32((port) + 0x000) |
#define | I2C0_CONSET I2C_CONSET(I2C0) |
#define | I2C1_CONSET I2C_CONSET(I2C1) |
#define | I2C_STAT(port) MMIO32((port) + 0x004) |
#define | I2C0_STAT I2C_STAT(I2C0) |
#define | I2C1_STAT I2C_STAT(I2C1) |
#define | I2C_DAT(port) MMIO32((port) + 0x008) |
#define | I2C0_DAT I2C_DAT(I2C0) |
#define | I2C1_DAT I2C_DAT(I2C1) |
#define | I2C_ADR0(port) MMIO32((port) + 0x00C) |
#define | I2C0_ADR0 I2C_ADR0(I2C0) |
#define | I2C1_ADR0 I2C_ADR0(I2C1) |
#define | I2C_SCLH(port) MMIO32((port) + 0x010) |
#define | I2C0_SCLH I2C_SCLH(I2C0) |
#define | I2C1_SCLH I2C_SCLH(I2C1) |
#define | I2C_SCLL(port) MMIO32((port) + 0x014) |
#define | I2C0_SCLL I2C_SCLL(I2C0) |
#define | I2C1_SCLL I2C_SCLL(I2C1) |
#define | I2C_CONCLR(port) MMIO32((port) + 0x018) |
#define | I2C0_CONCLR I2C_CONCLR(I2C0) |
#define | I2C1_CONCLR I2C_CONCLR(I2C1) |
#define | I2C_MMCTRL(port) MMIO32((port) + 0x01C) |
#define | I2C0_MMCTRL I2C_MMCTRL(I2C0) |
#define | I2C1_MMCTRL I2C_MMCTRL(I2C1) |
#define | I2C_ADR1(port) MMIO32((port) + 0x020) |
#define | I2C0_ADR1 I2C_ADR1(I2C0) |
#define | I2C1_ADR1 I2C_ADR1(I2C1) |
#define | I2C_ADR2(port) MMIO32((port) + 0x024) |
#define | I2C0_ADR2 I2C_ADR2(I2C0) |
#define | I2C1_ADR2 I2C_ADR2(I2C1) |
#define | I2C_ADR3(port) MMIO32((port) + 0x028) |
#define | I2C0_ADR3 I2C_ADR3(I2C0) |
#define | I2C1_ADR3 I2C_ADR3(I2C1) |
#define | I2C_DATA_BUFFER(port) MMIO32((port) + 0x02C) |
#define | I2C0_DATA_BUFFER I2C_DATA_BUFFER(I2C0) |
#define | I2C1_DATA_BUFFER I2C_DATA_BUFFER(I2C1) |
#define | I2C_MASK0(port) MMIO32((port) + 0x030) |
#define | I2C0_MASK0 I2C_MASK0(I2C0) |
#define | I2C1_MASK0 I2C_MASK0(I2C1) |
#define | I2C_MASK1(port) MMIO32((port) + 0x034) |
#define | I2C0_MASK1 I2C_MASK1(I2C0) |
#define | I2C1_MASK1 I2C_MASK1(I2C1) |
#define | I2C_MASK2(port) MMIO32((port) + 0x038) |
#define | I2C0_MASK2 I2C_MASK2(I2C0) |
#define | I2C1_MASK2 I2C_MASK2(I2C1) |
#define | I2C_MASK3(port) MMIO32((port) + 0x03C) |
#define | I2C0_MASK3 I2C_MASK3(I2C0) |
#define | I2C1_MASK3 I2C_MASK3(I2C1) |
#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 */ |
#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 */ |
#define | I2C_WRITE 0 |
#define | I2C_READ 1 |
Functions | |
void | i2c0_init (const uint16_t duty_cycle_count) |
void | i2c0_tx_start (void) |
void | i2c0_tx_byte (uint8_t byte) |
uint8_t | i2c0_rx_byte (void) |
void | i2c0_stop (void) |