| #if defined(__arm__) && defined(TEENSYDUINO) | #if defined(__arm__) && defined(TEENSYDUINO) | ||||
| #include <inttypes.h> | |||||
| #include "Arduino.h" | |||||
| #include <Arduino.h> | |||||
| #include <stdint.h> | |||||
| #define BUFFER_LENGTH 32 | #define BUFFER_LENGTH 32 | ||||
| #define WIRE_HAS_END 1 | #define WIRE_HAS_END 1 | ||||
| inline TWBRemulation & operator = (int val) __attribute__((always_inline)) { | inline TWBRemulation & operator = (int val) __attribute__((always_inline)) { | ||||
| if (val == 12 || val == ((F_CPU / 400000) - 16) / 2) { // 22, 52, 112 | if (val == 12 || val == ((F_CPU / 400000) - 16) / 2) { // 22, 52, 112 | ||||
| I2C0_C1 = 0; | I2C0_C1 = 0; | ||||
| #if F_BUS == 120000000 | |||||
| #if F_BUS == 128000000 | |||||
| I2C0_F = I2C_F_DIV320; // 400 kHz | |||||
| #elif F_BUS == 120000000 | |||||
| I2C0_F = I2C_F_DIV288; // 416 kHz | I2C0_F = I2C_F_DIV288; // 416 kHz | ||||
| #elif F_BUS == 108000000 | #elif F_BUS == 108000000 | ||||
| I2C0_F = I2C_F_DIV256; // 422 kHz | I2C0_F = I2C_F_DIV256; // 422 kHz | ||||
| I2C0_C1 = I2C_C1_IICEN; | I2C0_C1 = I2C_C1_IICEN; | ||||
| } else if (val == 72 || val == ((F_CPU / 100000) - 16) / 2) { // 112, 232, 472 | } else if (val == 72 || val == ((F_CPU / 100000) - 16) / 2) { // 112, 232, 472 | ||||
| I2C0_C1 = 0; | I2C0_C1 = 0; | ||||
| #if F_BUS == 120000000 | |||||
| #if F_BUS == 128000000 | |||||
| I2C0_F = I2C_F_DIV1280; // 100 kHz | |||||
| #elif F_BUS == 120000000 | |||||
| I2C0_F = I2C_F_DIV1152; // 104 kHz | I2C0_F = I2C_F_DIV1152; // 104 kHz | ||||
| #elif F_BUS == 108000000 | #elif F_BUS == 108000000 | ||||
| I2C0_F = I2C_F_DIV1024; // 105 kHz | I2C0_F = I2C_F_DIV1024; // 105 kHz | ||||
| return *this; | return *this; | ||||
| } | } | ||||
| inline operator int () const __attribute__((always_inline)) { | inline operator int () const __attribute__((always_inline)) { | ||||
| #if F_BUS == 120000000 | |||||
| #if F_BUS == 128000000 | |||||
| if (I2C0_F == I2C_F_DIV320) return 12; | |||||
| #elif F_BUS == 120000000 | |||||
| if (I2C0_F == I2C_F_DIV288) return 12; | if (I2C0_F == I2C_F_DIV288) return 12; | ||||
| #elif F_BUS == 108000000 | #elif F_BUS == 108000000 | ||||
| if (I2C0_F == I2C_F_DIV256) return 12; | if (I2C0_F == I2C_F_DIV256) return 12; |