drashna/qmk_firmware
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OLED Driver Feature

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This commit is contained in:
Ryan Caltabiano 2019-04-15 22:32:57 -05:00 • committed by skullydazed
parent b5cb5ec6dd
commit 0a645225b9
30 changed files with 1538 additions and 1070 deletions
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40
drivers/arm/i2c_master.c
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@ -42,6 +42,18 @@ static const I2CConfig i2cconfig = {
0
};
static i2c_status_t chibios_to_qmk(const msg_t* status) {
switch (*status) {
case I2C_NO_ERROR:
return I2C_STATUS_SUCCESS;
case I2C_TIMEOUT:
return I2C_STATUS_TIMEOUT;
// I2C_BUS_ERROR, I2C_ARBITRATION_LOST, I2C_ACK_FAILURE, I2C_OVERRUN, I2C_PEC_ERROR, I2C_SMB_ALERT
default:
return I2C_STATUS_ERROR;
}
}
__attribute__ ((weak))
void i2c_init(void)
{
@ -57,29 +69,30 @@ void i2c_init(void)
//i2cInit(); //This is invoked by halInit() so no need to redo it.
}
// This is usually not needed
uint8_t i2c_start(uint8_t address)
i2c_status_t i2c_start(uint8_t address)
{
i2c_address = address;
i2cStart(&I2C_DRIVER, &i2cconfig);
return 0;
return I2C_STATUS_SUCCESS;
}
uint8_t i2c_transmit(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
i2c_status_t i2c_transmit(uint8_t address, const uint8_t* data, uint16_t length, uint16_t timeout)
{
i2c_address = address;
i2cStart(&I2C_DRIVER, &i2cconfig);
return i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, 0, 0, MS2ST(timeout));
msg_t status = i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, 0, 0, MS2ST(timeout));
return chibios_to_qmk(&status);
}
uint8_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
i2c_status_t i2c_receive(uint8_t address, uint8_t* data, uint16_t length, uint16_t timeout)
{
i2c_address = address;
i2cStart(&I2C_DRIVER, &i2cconfig);
return i2cMasterReceiveTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, MS2ST(timeout));
msg_t status = i2cMasterReceiveTimeout(&I2C_DRIVER, (i2c_address >> 1), data, length, MS2ST(timeout));
return chibios_to_qmk(&status);
}
uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t length, uint16_t timeout)
i2c_status_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, const uint8_t* data, uint16_t length, uint16_t timeout)
{
i2c_address = devaddr;
i2cStart(&I2C_DRIVER, &i2cconfig);
@ -91,18 +104,19 @@ uint8_t i2c_writeReg(uint8_t devaddr, uint8_t regaddr, uint8_t* data, uint16_t l
}
complete_packet[0] = regaddr;
return i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), complete_packet, length + 1, 0, 0, MS2ST(timeout));
msg_t status = i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), complete_packet, length + 1, 0, 0, MS2ST(timeout));
return chibios_to_qmk(&status);
}
uint8_t i2c_readReg(uint8_t devaddr, uint8_t* regaddr, uint8_t* data, uint16_t length, uint16_t timeout)
i2c_status_t i2c_readReg(uint8_t devaddr, uint8_t* regaddr, uint8_t* data, uint16_t length, uint16_t timeout)
{
i2c_address = devaddr;
i2cStart(&I2C_DRIVER, &i2cconfig);
return i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), regaddr, 1, data, length, MS2ST(timeout));
msg_t status = i2cMasterTransmitTimeout(&I2C_DRIVER, (i2c_address >> 1), regaddr, 1, data, length, MS2ST(timeout));
return chibios_to_qmk(&status);
}
uint8_t i2c_stop(void)
void i2c_stop(void)
{
i2cStop(&I2C_DRIVER);
return 0;
}