static void i2c_setup(const device_info_t *device_info) {
i2c_set_address(device_info->slave_address);
if (device_info->fast_mode) {
i2c_set_baudrate(I2C_FULL_SPEED);
} else {
i2c_set_baudrate(I2C_NORMAL_SPEED);
}
}
void Tc1602::Setup(void) {
i2c_set_address(m_nSlaveAddress);
if (bFastMode) {
i2c_set_baudrate(I2C_FULL_SPEED);
} else {
i2c_set_baudrate(I2C_NORMAL_SPEED);
}
}
int main(int argc, char **argv) {
uint8_t first = 0x03, last = 0x77;
uint8_t i, j;
uint8_t address;
if (!i2c_begin()) {
return -1;
}
i2c_set_baudrate(I2C_NORMAL_SPEED);
printf("[V%s] Compiled on %s at %s\n\n", SOFTWARE_VERSION, __DATE__, __TIME__);
for (address = 0x00; address <= 0x7F; address++) {
/* Skip unwanted addresses */
if (address < first || address > last) {
continue;
}
if (i2c_is_connected(address)) {
printf("0x%.2X : 0x%.2X : %s\n", (unsigned int) address, (unsigned int) (address << 1), i2c_lookup_device(address));
}
}
puts("\n 0 1 2 3 4 5 6 7 8 9 a b c d e f");
for (i = 0; i < 128; i += 16) {
printf("%02x: ", (unsigned int) i);
for (j = 0; j < 16; j++) {
/* Skip unwanted addresses */
if (i + j < first || i + j > last) {
printf(" ");
continue;
}
if (i2c_is_connected((i + j))) {
printf("%02x ", (unsigned int) (i + j));
} else {
printf("-- ");
}
}
puts("");
}
return 0;
}
void i2c_init_freq(const pyb_i2c_obj_t *self, mp_int_t freq) {
I2C_InitTypeDef *init = &self->i2c->Init;
init->AddressingMode = I2C_ADDRESSINGMODE_7BIT;
init->DualAddressMode = I2C_DUALADDRESS_DISABLED;
init->GeneralCallMode = I2C_GENERALCALL_DISABLED;
init->NoStretchMode = I2C_NOSTRETCH_DISABLE;
init->OwnAddress1 = PYB_I2C_MASTER_ADDRESS;
init->OwnAddress2 = 0; // unused
if (freq != -1) {
i2c_set_baudrate(init, MIN(freq, MICROPY_HW_I2C_BAUDRATE_MAX));
}
*self->use_dma = false;
// init the I2C bus
i2c_deinit(self->i2c);
i2c_init(self->i2c);
}
