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is31fl3218: driver naming cleanups (#21892)
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@ -17,17 +17,17 @@
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#include "i2c_master.h"
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// This is the full 8-bit address
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#define ISSI_ADDRESS 0b10101000
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#define IS31FL3218_I2C_ADDRESS 0xA8
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// These are the register addresses
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#define ISSI_REG_SHUTDOWN 0x00
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#define ISSI_REG_PWM 0x01
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#define ISSI_REG_CONTROL 0x13
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#define ISSI_REG_UPDATE 0x16
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#define ISSI_REG_RESET 0x17
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#define IS31FL3218_REG_SHUTDOWN 0x00
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#define IS31FL3218_REG_PWM 0x01
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#define IS31FL3218_REG_CONTROL 0x13
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#define IS31FL3218_REG_UPDATE 0x16
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#define IS31FL3218_REG_RESET 0x17
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// Default timeout if no I2C response
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#define ISSI_TIMEOUT 100
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#define IS31FL3218_I2C_TIMEOUT 100
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// Reusable buffer for transfers
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uint8_t g_twi_transfer_buffer[20];
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@ -40,35 +40,35 @@ bool g_pwm_buffer_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_transmit(ISSI_ADDRESS, g_twi_transfer_buffer, 2, ISSI_TIMEOUT);
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i2c_transmit(IS31FL3218_I2C_ADDRESS, g_twi_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT);
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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] = ISSI_REG_PWM;
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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_transmit(ISSI_ADDRESS, g_twi_transfer_buffer, 19, ISSI_TIMEOUT);
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i2c_transmit(IS31FL3218_I2C_ADDRESS, g_twi_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
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}
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void is31fl3218_init(void) {
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// In case we ever want to reinitialize (?)
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is31fl3218_write_register(ISSI_REG_RESET, 0x00);
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is31fl3218_write_register(IS31FL3218_REG_RESET, 0x00);
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// Turn off software shutdown
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is31fl3218_write_register(ISSI_REG_SHUTDOWN, 0x01);
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is31fl3218_write_register(IS31FL3218_REG_SHUTDOWN, 0x01);
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// Set all PWM values to zero
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for (uint8_t i = 0; i < 18; i++) {
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is31fl3218_write_register(ISSI_REG_PWM + i, 0x00);
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is31fl3218_write_register(IS31FL3218_REG_PWM + i, 0x00);
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}
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// Enable all channels
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for (uint8_t i = 0; i < 3; i++) {
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is31fl3218_write_register(ISSI_REG_CONTROL + i, 0b00111111);
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is31fl3218_write_register(IS31FL3218_REG_CONTROL + i, 0b00111111);
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}
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// Load PWM registers and LED Control register data
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is31fl3218_write_register(ISSI_REG_UPDATE, 0x01);
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is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01);
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}
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void is31fl3218_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) {
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@ -91,7 +91,7 @@ void is31fl3218_update_pwm_buffers(void) {
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if (g_pwm_buffer_update_required) {
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is31fl3218_write_pwm_buffer(g_pwm_buffer);
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// Load PWM registers and LED Control register data
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is31fl3218_write_register(ISSI_REG_UPDATE, 0x01);
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is31fl3218_write_register(IS31FL3218_REG_UPDATE, 0x01);
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}
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g_pwm_buffer_update_required = false;
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}
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