forked from mirrors/qmk_userspace
DC01 keyboard addition (#3428)
* DC01 initial commit - Addition of directories - Left readme * Initial commit of left half * Initial files for right half * arrow * i2c adjustments * I2C slave and DC01 refractoring - Cleaned up state machine of I2C slave driver - Modified DC01 left to use already pressent I2C master driver - Modified DC01 matrixes * Fixed tabs to spaces * Addition of Numpad * Add keymaps - Orthopad keymap for numpad module - Numpad keymap for numpad module - ISO, ANSI and HHKB version of keymap for right module * Minor matrix.c fixes * Update Readmes
This commit is contained in:
yiancar
Jack Humbert
parent
7e9a7af672
commit
72fd49b146
50 changed files with 3751 additions and 146 deletions
|
|
@ -15,15 +15,15 @@
|
|||
void i2c_init(void)
|
||||
{
|
||||
TWSR = 0; /* no prescaler */
|
||||
TWBR = (uint8_t)TWBR_val;
|
||||
TWBR = (uint8_t)TWBR_val;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_start(uint8_t address, uint16_t timeout)
|
||||
{
|
||||
// reset TWI control register
|
||||
TWCR = 0;
|
||||
// transmit START condition
|
||||
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
|
||||
// reset TWI control register
|
||||
TWCR = 0;
|
||||
// transmit START condition
|
||||
TWCR = (1<<TWINT) | (1<<TWSTA) | (1<<TWEN);
|
||||
|
||||
uint16_t timeout_timer = timer_read();
|
||||
while( !(TWCR & (1<<TWINT)) ) {
|
||||
|
|
@ -32,13 +32,13 @@ i2c_status_t i2c_start(uint8_t address, uint16_t timeout)
|
|||
}
|
||||
}
|
||||
|
||||
// check if the start condition was successfully transmitted
|
||||
if(((TW_STATUS & 0xF8) != TW_START) && ((TW_STATUS & 0xF8) != TW_REP_START)){ return I2C_STATUS_ERROR; }
|
||||
// check if the start condition was successfully transmitted
|
||||
if(((TW_STATUS & 0xF8) != TW_START) && ((TW_STATUS & 0xF8) != TW_REP_START)){ return I2C_STATUS_ERROR; }
|
||||
|
||||
// load slave address into data register
|
||||
TWDR = address;
|
||||
// start transmission of address
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
// load slave address into data register
|
||||
TWDR = address;
|
||||
// start transmission of address
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
|
||||
timeout_timer = timer_read();
|
||||
while( !(TWCR & (1<<TWINT)) ) {
|
||||
|
|
@ -47,19 +47,19 @@ i2c_status_t i2c_start(uint8_t address, uint16_t timeout)
|
|||
}
|
||||
}
|
||||
|
||||
// check if the device has acknowledged the READ / WRITE mode
|
||||
uint8_t twst = TW_STATUS & 0xF8;
|
||||
if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return I2C_STATUS_ERROR;
|
||||
// check if the device has acknowledged the READ / WRITE mode
|
||||
uint8_t twst = TW_STATUS & 0xF8;
|
||||
if ( (twst != TW_MT_SLA_ACK) && (twst != TW_MR_SLA_ACK) ) return I2C_STATUS_ERROR;
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_write(uint8_t data, uint16_t timeout)
|
||||
{
|
||||
// load data into data register
|
||||
TWDR = data;
|
||||
// start transmission of data
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
// load data into data register
|
||||
TWDR = data;
|
||||
// start transmission of data
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
|
||||
uint16_t timeout_timer = timer_read();
|
||||
while( !(TWCR & (1<<TWINT)) ) {
|
||||
|
|
@ -68,16 +68,16 @@ i2c_status_t i2c_write(uint8_t data, uint16_t timeout)
|
|||
}
|
||||
}
|
||||
|
||||
if( (TW_STATUS & 0xF8) != TW_MT_DATA_ACK ){ return I2C_STATUS_ERROR; }
|
||||
if( (TW_STATUS & 0xF8) != TW_MT_DATA_ACK ){ return I2C_STATUS_ERROR; }
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
int16_t i2c_read_ack(uint16_t timeout)
|
||||
{
|
||||
|
||||
// start TWI module and acknowledge data after reception
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA);
|
||||
// start TWI module and acknowledge data after reception
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWEA);
|
||||
|
||||
uint16_t timeout_timer = timer_read();
|
||||
while( !(TWCR & (1<<TWINT)) ) {
|
||||
|
|
@ -86,15 +86,15 @@ int16_t i2c_read_ack(uint16_t timeout)
|
|||
}
|
||||
}
|
||||
|
||||
// return received data from TWDR
|
||||
return TWDR;
|
||||
// return received data from TWDR
|
||||
return TWDR;
|
||||
}
|
||||
|
||||
int16_t i2c_read_nack(uint16_t timeout)
|
||||
{
|
||||
|
||||
// start receiving without acknowledging reception
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
// start receiving without acknowledging reception
|
||||
TWCR = (1<<TWINT) | (1<<TWEN);
|
||||
|
||||
uint16_t timeout_timer = timer_read();
|
||||
while( !(TWCR & (1<<TWINT)) ) {
|
||||
|
|
@ -103,39 +103,39 @@ int16_t i2c_read_nack(uint16_t timeout)
|
|||
}
|
||||
}
|
||||
|
||||
// return received data from TWDR
|
||||
return TWDR;
|
||||
// return received data from TWDR
|
||||
return TWDR;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
|
||||
{
|
||||
i2c_status_t status = i2c_start(address | I2C_WRITE, timeout);
|
||||
if (status) return status;
|
||||
|
||||
for (uint16_t i = 0; i < length; i++) {
|
||||
status = i2c_write(data[i], timeout);
|
||||
if (status) return status;
|
||||
}
|
||||
|
||||
status = i2c_stop(timeout);
|
||||
if (status) return status;
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
for (uint16_t i = 0; i < length; i++) {
|
||||
status = i2c_write(data[i], timeout);
|
||||
if (status) return status;
|
||||
}
|
||||
|
||||
status = i2c_stop(timeout);
|
||||
if (status) return status;
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
|
||||
{
|
||||
i2c_status_t status = i2c_start(address | I2C_READ, timeout);
|
||||
if (status) return status;
|
||||
if (status) return status;
|
||||
|
||||
for (uint16_t i = 0; i < (length-1); i++) {
|
||||
for (uint16_t i = 0; i < (length-1); i++) {
|
||||
status = i2c_read_ack(timeout);
|
||||
if (status >= 0) {
|
||||
data[i] = status;
|
||||
} else {
|
||||
return status;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
status = i2c_read_nack(timeout);
|
||||
if (status >= 0 ) {
|
||||
|
|
@ -147,47 +147,47 @@ i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16
|
|||
status = i2c_stop(timeout);
|
||||
if (status) return status;
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout)
|
||||
{
|
||||
i2c_status_t status = i2c_start(devaddr | 0x00, timeout);
|
||||
if (status) return status;
|
||||
|
||||
status = i2c_write(regaddr, timeout);
|
||||
if (status) return status;
|
||||
|
||||
for (uint16_t i = 0; i < length; i++) {
|
||||
status = i2c_write(regaddr, timeout);
|
||||
if (status) return status;
|
||||
|
||||
for (uint16_t i = 0; i < length; i++) {
|
||||
status = i2c_write(data[i], timeout);
|
||||
if (status) return status;
|
||||
}
|
||||
if (status) return status;
|
||||
}
|
||||
|
||||
status = i2c_stop(timeout);
|
||||
status = i2c_stop(timeout);
|
||||
if (status) return status;
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout)
|
||||
{
|
||||
i2c_status_t status = i2c_start(devaddr, timeout);
|
||||
if (status) return status;
|
||||
if (status) return status;
|
||||
|
||||
status = i2c_write(regaddr, timeout);
|
||||
if (status) return status;
|
||||
|
||||
status = i2c_start(devaddr | 0x01, timeout);
|
||||
if (status) return status;
|
||||
if (status) return status;
|
||||
|
||||
for (uint16_t i = 0; i < (length-1); i++) {
|
||||
status = i2c_read_ack(timeout);
|
||||
for (uint16_t i = 0; i < (length-1); i++) {
|
||||
status = i2c_read_ack(timeout);
|
||||
if (status >= 0) {
|
||||
data[i] = status;
|
||||
} else {
|
||||
return status;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
status = i2c_read_nack(timeout);
|
||||
if (status >= 0 ) {
|
||||
|
|
@ -199,13 +199,13 @@ i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16
|
|||
status = i2c_stop(timeout);
|
||||
if (status) return status;
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
|
||||
i2c_status_t i2c_stop(uint16_t timeout)
|
||||
{
|
||||
// transmit STOP condition
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
|
||||
// transmit STOP condition
|
||||
TWCR = (1<<TWINT) | (1<<TWEN) | (1<<TWSTO);
|
||||
|
||||
uint16_t timeout_timer = timer_read();
|
||||
while(TWCR & (1<<TWSTO)) {
|
||||
|
|
@ -215,4 +215,4 @@ i2c_status_t i2c_stop(uint16_t timeout)
|
|||
}
|
||||
|
||||
return I2C_STATUS_SUCCESS;
|
||||
}
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue