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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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GPG key ID: 4AEE18F83AFDEB23
16 changed files with 162 additions and 178 deletions
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21
drivers/led/snled27351-simple.c
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@ -37,8 +37,7 @@
{ 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF }
#endif
// Transfer buffer for TWITransmitData()
uint8_t g_twi_transfer_buffer[20];
uint8_t i2c_transfer_buffer[20];
// These buffers match the SNLED27351 PWM registers.
// The control buffers match the PG0 LED On/Off registers.
@ -54,17 +53,17 @@ bool g_led_control_registers_update_required[SNLED27351_DRIVER_COUNT]
bool snled27351_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
// If the transaction fails function returns false.
g_twi_transfer_buffer[0] = reg;
g_twi_transfer_buffer[1] = data;
i2c_transfer_buffer[0] = reg;
i2c_transfer_buffer[1] = data;
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, SNLED27351_I2C_TIMEOUT) != 0) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, SNLED27351_I2C_TIMEOUT) != 0) {
return false;
}
}
#else
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 2, SNLED27351_I2C_TIMEOUT) != 0) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, SNLED27351_I2C_TIMEOUT) != 0) {
return false;
}
#endif
@ -79,26 +78,26 @@ bool snled27351_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assumes PG1 is already selected.
// If any of the transactions fails function returns false.
// Transmit PWM registers in 12 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 < SNLED27351_PWM_REGISTER_COUNT; i += 16) {
g_twi_transfer_buffer[0] = i;
i2c_transfer_buffer[0] = i;
// Copy the data from i to i+15.
// Device will auto-increment register for data after the first byte
// Thus this sets registers 0x00-0x0F, 0x10-0x1F, etc. in one transfer.
for (int j = 0; j < 16; j++) {
g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j];
i2c_transfer_buffer[1 + j] = pwm_buffer[i + j];
}
#if SNLED27351_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < SNLED27351_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) != 0) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) != 0) {
return false;
}
}
#else
if (i2c_transmit(addr << 1, g_twi_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) != 0) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 17, SNLED27351_I2C_TIMEOUT) != 0) {
return false;
}
#endif