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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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GPG key ID: 4AEE18F83AFDEB23
23 changed files with 172 additions and 477 deletions
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28
drivers/led/issi/is31fl3741.c
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@ -18,7 +18,6 @@
*/
#include "is31fl3741.h"
#include <string.h>
#include "i2c_master.h"
#include "wait.h"
@ -53,8 +52,6 @@
# define IS31FL3741_GLOBAL_CURRENT 0xFF
#endif
uint8_t i2c_transfer_buffer[20] = {0xFF};
// These buffers match the IS31FL3741 and IS31FL3741A PWM registers.
// The scaling buffers match the page 2 and 3 LED On/Off registers.
// Storing them like this is optimal for I2C transfers to the registers.
@ -68,15 +65,12 @@ bool g_scaling_registers_update_required[IS31FL3741_DRIVER_COUNT] = {false};
uint8_t g_scaling_registers[IS31FL3741_DRIVER_COUNT][IS31FL3741_SCALING_REGISTER_COUNT];
void is31fl3741_write_register(uint8_t addr, uint8_t reg, uint8_t data) {
i2c_transfer_buffer[0] = reg;
i2c_transfer_buffer[1] = data;
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3741_I2C_TIMEOUT) == 0) break;
if (i2c_writeReg(addr << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 2, IS31FL3741_I2C_TIMEOUT);
i2c_writeReg(addr << 1, reg, &data, 1, IS31FL3741_I2C_TIMEOUT);
#endif
}
@ -88,33 +82,27 @@ void is31fl3741_select_page(uint8_t addr, uint8_t page) {
void is31fl3741_write_pwm_buffer(uint8_t addr, uint8_t *pwm_buffer) {
// Assume page 0 is already selected
for (int i = 0; i < 342; i += 18) {
for (uint16_t i = 0; i < 342; i += 18) {
if (i == 180) {
is31fl3741_select_page(addr, IS31FL3741_COMMAND_PWM_1);
}
i2c_transfer_buffer[0] = i % 180;
memcpy(i2c_transfer_buffer + 1, pwm_buffer + i, 18);
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT) == 0) break;
for (uint8_t j = 0; j < IS31FL3741_I2C_PERSISTENCE; j++) {
if (i2c_writeReg(addr << 1, i % 180, pwm_buffer + i, 18, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 19, IS31FL3741_I2C_TIMEOUT);
i2c_writeReg(addr << 1, i % 180, pwm_buffer + i, 18, IS31FL3741_I2C_TIMEOUT);
#endif
}
// transfer the left cause the total number is 351
i2c_transfer_buffer[0] = 162;
memcpy(i2c_transfer_buffer + 1, pwm_buffer + 342, 9);
#if IS31FL3741_I2C_PERSISTENCE > 0
for (uint8_t i = 0; i < IS31FL3741_I2C_PERSISTENCE; i++) {
if (i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT) == 0) break;
if (i2c_writeReg(addr << 1, 162, pwm_buffer + 342, 9, IS31FL3741_I2C_TIMEOUT) == I2C_STATUS_SUCCESS) break;
}
#else
i2c_transmit(addr << 1, i2c_transfer_buffer, 10, IS31FL3741_I2C_TIMEOUT);
i2c_writeReg(addr << 1, 162, pwm_buffer + 342, 9, IS31FL3741_I2C_TIMEOUT);
#endif
}