From 46dd1c116b1cc90460b55a33cadd2d68e952bb85 Mon Sep 17 00:00:00 2001 From: schneider Date: Sun, 18 Dec 2011 01:55:02 +0100 Subject: [PATCH] saved 48 bytes in rgb flame --- firmware/applications/final/flame_rgb.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/firmware/applications/final/flame_rgb.c b/firmware/applications/final/flame_rgb.c index e8c7a42..49a5bfe 100644 --- a/firmware/applications/final/flame_rgb.c +++ b/firmware/applications/final/flame_rgb.c @@ -58,7 +58,7 @@ #define nick GLOBAL(nickname) -uint32_t flameRGBSetI2C(uint8_t cr, uint8_t value) { +static uint32_t flameRGBSetI2C(uint8_t cr, uint8_t value) { I2CMasterBuffer[0] = FLAME_I2C_WRITE; I2CMasterBuffer[1] = cr; I2CMasterBuffer[2] = value; @@ -93,13 +93,18 @@ void setFlameRGBColor() { } else { // generate a hash from the nickname uint32_t hash[4]; - uint32_t const key[4] = {0xcfd97ebc, 0x21117b45, 0x7193727, 0xa336f4d6}; + uint32_t const key[4] = {0, 0, 0, 0}; xxtea_cbcmac(hash, (uint32_t *)nick, 4, key); // set color, LED0 = red, LED1 = unused, LED2 = blue, LED3 = green - flameRGBSetI2C(FLAME_I2C_CR_PWM0, hash[0] % 255); - flameRGBSetI2C(FLAME_I2C_CR_PWM1, hash[1] % 255); - flameRGBSetI2C(FLAME_I2C_CR_PWM2, hash[2] % 255); - flameRGBSetI2C(FLAME_I2C_CR_PWM3, hash[3] % 255); + int i; + uint8_t regs[] = {FLAME_I2C_CR_PWM0, FLAME_I2C_CR_PWM1, + FLAME_I2C_CR_PWM2, FLAME_I2C_CR_PWM3 }; + for(i=0; i<3; i++) + flameRGBSetI2C(regs[i], hash[i] & 0xFF); + //flameRGBSetI2C(FLAME_I2C_CR_PWM0, hash[0] % 255); + //flameRGBSetI2C(FLAME_I2C_CR_PWM1, hash[1] % 255); + //flameRGBSetI2C(FLAME_I2C_CR_PWM2, hash[2] % 255); + //flameRGBSetI2C(FLAME_I2C_CR_PWM3, hash[3] % 255); } }