|
|
@ -18,7 +18,6 @@ |
|
|
|
*/ |
|
|
|
|
|
|
|
#include "is31fl3741-mono.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 |
|
|
|
} |
|
|
|
|
|
|
|