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LED drivers: switch to i2c_writeReg() (#22878)

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Ryan 2024-01-10 17:25:34 +11:00 • committed by GitHub
parent 7a3183b8c8
commit 58696a3937
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23 changed files with 172 additions and 477 deletions
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16
drivers/led/issi/is31fl3218-mono.c
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@ -15,7 +15,6 @@
*/
#include "is31fl3218-mono.h"
#include <string.h>
#include "i2c_master.h"
#define IS31FL3218_PWM_REGISTER_COUNT 18
@ -29,8 +28,6 @@
# define IS31FL3218_I2C_PERSISTENCE 0
#endif
uint8_t i2c_transfer_buffer[20];
// IS31FL3218 has 18 PWM outputs and a fixed I2C address, so no chaining.
uint8_t g_pwm_buffer[IS31FL3218_PWM_REGISTER_COUNT];
bool g_pwm_buffer_update_required = false;
@ -39,27 +36,22 @@ uint8_t g_led_control_registers[IS31FL3218_LED_CONTROL_REGISTER_COUNT] = {0};
bool g_led_control_registers_update_required = false;
void is31fl3218_write_register(uint8_t reg, uint8_t data) {
i2c_transfer_buffer[0] = reg;
i2c_transfer_buffer[1] = data;
#if IS31FL3218_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) {
if (i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT) == 0) break;
if (i2c_writeReg(IS31FL3218_I2C_ADDRESS << 1, reg, &data, 1, IS31FL3218_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 2, IS31FL3218_I2C_TIMEOUT);
i2c_writeReg(IS31FL3218_I2C_ADDRESS << 1, reg, &data, 1, IS31FL3218_I2C_TIMEOUT);
#endif
}
void is31fl3218_write_pwm_buffer(uint8_t *pwm_buffer) {
i2c_transfer_buffer[0] = IS31FL3218_REG_PWM;
memcpy(i2c_transfer_buffer + 1, pwm_buffer, 18);
#if IS31FL3218_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3218_I2C_PERSISTENCE; i++) {
i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
if (i2c_writeReg(IS31FL3218_I2C_ADDRESS << 1, IS31FL3218_REG_PWM, pwm_buffer, 18, IS31FL3218_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_transmit(IS31FL3218_I2C_ADDRESS << 1, i2c_transfer_buffer, 19, IS31FL3218_I2C_TIMEOUT);
i2c_writeReg(IS31FL3218_I2C_ADDRESS << 1, IS31FL3218_REG_PWM, pwm_buffer, 18, IS31FL3218_I2C_TIMEOUT);
#endif
}