summaryrefslogtreecommitdiffstats
path: root/drivers/avr/is31fl3731.c
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/avr/is31fl3731.c')
-rw-r--r--drivers/avr/is31fl3731.c36
1 files changed, 11 insertions, 25 deletions
diff --git a/drivers/avr/is31fl3731.c b/drivers/avr/is31fl3731.c
index e5941cf41e..c7a99e3a3d 100644
--- a/drivers/avr/is31fl3731.c
+++ b/drivers/avr/is31fl3731.c
@@ -20,7 +20,7 @@
#include <avr/io.h>
#include <util/delay.h>
#include <string.h>
-#include "TWIlib.h"
+#include "i2c_master.h"
#include "progmem.h"
// This is a 7-bit address, that gets left-shifted and bit 0
@@ -50,7 +50,7 @@
#define ISSI_BANK_FUNCTIONREG 0x0B // helpfully called 'page nine'
// Transfer buffer for TWITransmitData()
-uint8_t g_twi_transfer_buffer[TXMAXBUFLEN];
+uint8_t g_twi_transfer_buffer[20];
// These buffers match the IS31FL3731 PWM registers 0x24-0xB3.
// Storing them like this is optimal for I2C transfers to the registers.
@@ -80,17 +80,11 @@ bool g_led_control_registers_update_required = false;
void IS31FL3731_write_register( uint8_t addr, uint8_t reg, uint8_t data )
{
- g_twi_transfer_buffer[0] = (addr << 1) | 0x00;
- g_twi_transfer_buffer[1] = reg;
- g_twi_transfer_buffer[2] = data;
-
- // Set the error code to have no relevant information
- TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
- // Continuously attempt to transmit data until a successful transmission occurs
- //while ( TWIInfo.errorCode != 0xFF )
- //{
- TWITransmitData( g_twi_transfer_buffer, 3, 0 );
- //}
+ g_twi_transfer_buffer[0] = reg;
+ g_twi_transfer_buffer[1] = data;
+
+ //Transmit data until succesful
+ while(i2c_transmit(addr << 1, g_twi_transfer_buffer,2) != 0);
}
void IS31FL3731_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer )
@@ -100,29 +94,21 @@ void IS31FL3731_write_pwm_buffer( uint8_t addr, uint8_t *pwm_buffer )
// transmit PWM registers in 9 transfers of 16 bytes
// g_twi_transfer_buffer[] is 20 bytes
- // set the I2C address
- g_twi_transfer_buffer[0] = (addr << 1) | 0x00;
-
// iterate over the pwm_buffer contents at 16 byte intervals
for ( int i = 0; i < 144; i += 16 )
{
// set the first register, e.g. 0x24, 0x34, 0x44, etc.
- g_twi_transfer_buffer[1] = 0x24 + i;
+ g_twi_transfer_buffer[0] = 0x24 + i;
// copy the data from i to i+15
// device will auto-increment register for data after the first byte
// thus this sets registers 0x24-0x33, 0x34-0x43, etc. in one transfer
for ( int j = 0; j < 16; j++ )
{
- g_twi_transfer_buffer[2 + j] = pwm_buffer[i + j];
+ g_twi_transfer_buffer[1 + j] = pwm_buffer[i + j];
}
- // Set the error code to have no relevant information
- TWIInfo.errorCode = TWI_NO_RELEVANT_INFO;
- // Continuously attempt to transmit data until a successful transmission occurs
- while ( TWIInfo.errorCode != 0xFF )
- {
- TWITransmitData( g_twi_transfer_buffer, 16 + 2, 0 );
- }
+ //Transmit buffer until succesful
+ while(i2c_transmit(addr << 1, g_twi_transfer_buffer,17) != 0);
}
}