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LED drivers: change "TWI" to "I2C" (#22617)

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Ryan 2023-12-06 14:52:18 +11:00 • committed by GitHub
parent 8b022cefc5
commit b6fbed3dc3
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16 changed files with 162 additions and 178 deletions
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21
drivers/led/issi/is31fl3731-simple.c
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@ -33,8 +33,7 @@
# define IS31FL3731_I2C_PERSISTENCE 0
#endif
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
uint8_t i2c_transfer_buffer[20];
// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
// Storing them like this is optimal for I2C transfers to the registers.
@ -48,17 +47,17 @@ uint8_t g_led_control_registers[IS31FL3731_DRIVER_COUNT][IS31FL3731_LED_CONTROL_
bool g_led_control_registers_update_required[IS31FL3731_DRIVER_COUNT] = {false};
void is31fl3731_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
g_twi_transfer_buffer[0] = reg;
g_twi_transfer_buffer[1] = data;
i2c_transfer_buffer[0] = reg;
i2c_transfer_buffer[1] = data;
#if IS31FL3731_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT) == 0) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT) == 0) {
break;
}
}
#else
i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT);
i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3731_I2C_TIMEOUT);
#endif
}
@ -70,23 +69,23 @@ void is31fl3731_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// assumes page 0 is already selected
// transmit PWM registers in 9 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
// i2c_transfer_buffer[] is 20 bytes
// iterate over the pwm_buffer contents at 16 byte intervals
for (int i = 0; i < IS31FL3731_PWM_REGISTER_COUNT; i += 16) {
// set the first register, e.g. 0x24, 0x34, 0x44, etc.
g_twi_transfer_buffer[0] = 0x24 + i;
i2c_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15
// device will auto-increment register for data after the first byte
// thus this sets registers 0x24-0x33, 0x34-0x43, etc. in one transfer
memcpy(g_twi_transfer_buffer + 1, pwm_buffer + i, 16);
memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 16);
#if IS31FL3731_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3731_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT) == 0) break;
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT) == 0) break;
}
#else
i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT);
i2c_transmit(addr << 1, i2c_transfer_buffer, 17, IS31FL3731_I2C_TIMEOUT);
#endif
}
}