LED drivers: change "TWI" to "I2C" (#22617)
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16 changed files with 162 additions and 178 deletions
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@ -28,8 +28,7 @@
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# define IS31FL3218_I2C_PERSISTENCE 0
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#endif
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// Reusable buffer for transfers
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uint8_t g_twi_transfer_buffer[20];
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uint8_t i2c_transfer_buffer[20];
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// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining.
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uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT];
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@ -39,27 +38,27 @@ uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
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bool g_led_control_registers_update_required = false;
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void is31fl3218_write_register(uint8_t reg, uint8_t data) {
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g_twi_transfer_buffer[0] = reg;
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g_twi_transfer_buffer[1] = data;
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i2c_transfer_buffer[0] = reg;
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i2c_transfer_buffer[1] = data;
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#if IS31FL3218_I2C_PERSISTENCE > 0
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for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) {
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if (i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT) == 0) break;
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if (i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT) == 0) break;
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}
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#else
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i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT);
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i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT);
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#endif
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}
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void is31fl3218_write_pwm_buffer(uint8_t *pwm_buffer) {
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g_twi_transfer_buffer[0] = IS31FL3218_REG_PWM;
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memcpy(g_twi_transfer_buffer + 1, pwm_buffer, 18);
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i2c_transfer_buffer[0] = IS31FL3218_REG_PWM;
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memcpy(i2c_transfer_buffer + 1, pwm_buffer, 18);
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#if IS31FL3218_I2C_PERSISTENCE > 0
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for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) {
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i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
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i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
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}
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#else
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i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
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i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
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#endif
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}
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