Revise r23225 a bit, removing the debug_printf function and implementing more generic lcd_(remote)_putsf function(s) instead and use those in more places

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23233 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 135 insertions, 184 deletions

diff --git a/firmware/target/arm/as3525/debug-as3525.c b/firmware/target/arm/as3525/debug-as3525.c
index 22958c9f22..d8d3e013e2 100644
--- a/firmware/target/arm/as3525/debug-as3525.c
+++ b/firmware/target/arm/as3525/debug-as3525.c
@@ -31,10 +31,6 @@
 #include "ascodec-target.h"
 #include "adc.h"
 
-#define _DEBUG_PRINTF(a,varargs...) do { \
-        snprintf(buf, sizeof(buf), (a), ##varargs); lcd_puts(0,line++,buf); \
-        } while(0)
-
 #define ON "Enabled"
 #define OFF "Disabled"
 
@@ -224,7 +220,6 @@ int calc_freq(int clk)
 
 bool __dbg_hw_info(void)
 {
-    char buf[50];
     int line;
     int last_nand = 0;
 #if defined(SANSA_E200V2) || defined(SANSA_FUZE) || defined(SANSA_C200V2)
@@ -240,16 +235,16 @@ bool __dbg_hw_info(void)
         {
         lcd_clear_display();
         line = 0;
-        _DEBUG_PRINTF("[Clock Frequencies:]");
-        _DEBUG_PRINTF("      SET       ACTUAL");
-        _DEBUG_PRINTF("922T:%s     %3dMHz",
+        lcd_puts(0, line++, "[Clock Frequencies:]");
+        lcd_puts(0, line++, "      SET       ACTUAL");
+        lcd_putsf(0, line++, "922T:%s     %3dMHz",
                                         (!(read_cp15()>>30)) ? "FAST " :
                                         (read_cp15()>>31) ? "ASYNC" : "SYNC ",
                                          calc_freq(CLK_922T)/1000000);
-        _DEBUG_PRINTF("PLLA:%3dMHz    %3dMHz", AS3525_PLLA_FREQ/1000000,
+        lcd_putsf(0, line++, "PLLA:%3dMHz    %3dMHz", AS3525_PLLA_FREQ/1000000,
                                                    calc_freq(CLK_PLLA)/1000000);
-        _DEBUG_PRINTF("PLLB:          %3dMHz", calc_freq(CLK_PLLB)/1000000);
-        _DEBUG_PRINTF("FCLK:          %3dMHz", calc_freq(CLK_FCLK)/1000000);
+        lcd_putsf(0, line++, "PLLB:          %3dMHz", calc_freq(CLK_PLLB)/1000000);
+        lcd_putsf(0, line++, "FCLK:          %3dMHz", calc_freq(CLK_FCLK)/1000000);
 
 #if LCD_HEIGHT < 176  /* clip  */
         lcd_update();
@@ -265,17 +260,17 @@ bool __dbg_hw_info(void)
         line = 0;
 #endif  /*  LCD_HEIGHT < 176 */
 
-        _DEBUG_PRINTF("DRAM:%3dMHz    %3dMHz", AS3525_PCLK_FREQ/1000000,
+        lcd_putsf(0, line++, "DRAM:%3dMHz    %3dMHz", AS3525_PCLK_FREQ/1000000,
                                                  calc_freq(CLK_EXTMEM)/1000000);
-        _DEBUG_PRINTF("PCLK:%3dMHz    %3dMHz", AS3525_PCLK_FREQ/1000000,
+        lcd_putsf(0, line++, "PCLK:%3dMHz    %3dMHz", AS3525_PCLK_FREQ/1000000,
                                                    calc_freq(CLK_PCLK)/1000000);
-        _DEBUG_PRINTF("IDE :%3dMHz    %3dMHz", AS3525_IDE_FREQ/1000000,
+        lcd_putsf(0, line++, "IDE :%3dMHz    %3dMHz", AS3525_IDE_FREQ/1000000,
                                                     calc_freq(CLK_IDE)/1000000);
-        _DEBUG_PRINTF("DBOP:%3dMHz    %3dMHz", AS3525_DBOP_FREQ/1000000,
+        lcd_putsf(0, line++, "DBOP:%3dMHz    %3dMHz", AS3525_DBOP_FREQ/1000000,
                                                    calc_freq(CLK_DBOP)/1000000);
-        _DEBUG_PRINTF("I2C :%3dkHz    %3dkHz", AS3525_I2C_FREQ/1000,
+        lcd_putsf(0, line++, "I2C :%3dkHz    %3dkHz", AS3525_I2C_FREQ/1000,
                                                        calc_freq(CLK_I2C)/1000);
-        _DEBUG_PRINTF("I2SI: %s      %3dMHz", (CGU_AUDIO & (1<<23)) ?
+        lcd_putsf(0, line++, "I2SI: %s      %3dMHz", (CGU_AUDIO & (1<<23)) ?
                                    "on " : "off" , calc_freq(CLK_I2SI)/1000000);
 
 #if LCD_HEIGHT < 176  /* clip  */
@@ -292,27 +287,27 @@ bool __dbg_hw_info(void)
         line = 0;
 #endif  /*  LCD_HEIGHT < 176 */
 
-        _DEBUG_PRINTF("I2SO: %s      %3dMHz", (CGU_AUDIO & (1<<11)) ?
+        lcd_putsf(0, line++, "I2SO: %s      %3dMHz", (CGU_AUDIO & (1<<11)) ?
                                     "on " : "off", calc_freq(CLK_I2SO)/1000000);
         if(MCI_NAND)
             last_nand = MCI_NAND;
                                                 /*  MCLK == PCLK  */
-        _DEBUG_PRINTF("SD  :%3dMHz    %3dMHz",
+        lcd_putsf(0, line++, "SD  :%3dMHz    %3dMHz",
             ((last_nand ? (AS3525_PCLK_FREQ/ 1000000): 0) /
             ((last_nand & MCI_CLOCK_BYPASS)? 1:(((last_nand & 0xff)+1) * 2))),
             calc_freq(CLK_SD_MCLK_NAND)/1000000);
 #if defined(SANSA_E200V2) || defined(SANSA_FUZE) || defined(SANSA_C200V2)
         if(MCI_SD)
             last_sd = MCI_SD;
-        _DEBUG_PRINTF("uSD :%3dMHz    %3dMHz",
+        lcd_putsf(0, line++, "uSD :%3dMHz    %3dMHz",
             ((last_sd ? (AS3525_PCLK_FREQ/ 1000000): 0) /
             ((last_sd & MCI_CLOCK_BYPASS) ? 1: (((last_sd & 0xff) + 1) * 2))),
             calc_freq(CLK_SD_MCLK_MSD)/1000000);
 #endif
-        _DEBUG_PRINTF("USB :          %3dMHz", calc_freq(CLK_USB)/1000000);
-        _DEBUG_PRINTF("MMU :  %s CVDDP:%4d", (read_cp15() & CP15_MMU) ?
+        lcd_putsf(0, line++, "USB :          %3dMHz", calc_freq(CLK_USB)/1000000);
+        lcd_putsf(0, line++, "MMU :  %s CVDDP:%4d", (read_cp15() & CP15_MMU) ?
                                         " on" : "off", adc_read(ADC_CVDD) * 25);
-        _DEBUG_PRINTF("Icache:%s Dcache:%s",
+        lcd_putsf(0, line++, "Icache:%s Dcache:%s",
                                       (read_cp15() & CP15_IC)  ? " on" : "off",
                                       (read_cp15() & CP15_DC)  ? " on" : "off");
 
@@ -328,12 +323,12 @@ bool __dbg_hw_info(void)
         lcd_clear_display();
         line = 0;
 
-        _DEBUG_PRINTF("CGU_PLLA  :%8x", (unsigned int)(CGU_PLLA));
-        _DEBUG_PRINTF("CGU_PLLB  :%8x", (unsigned int)(CGU_PLLB));
-        _DEBUG_PRINTF("CGU_PROC  :%8x", (unsigned int)(CGU_PROC));
-        _DEBUG_PRINTF("CGU_PERI  :%8x", (unsigned int)(CGU_PERI));
-        _DEBUG_PRINTF("CGU_IDE   :%8x", (unsigned int)(CGU_IDE));
-        _DEBUG_PRINTF("CGU_DBOP  :%8x", (unsigned int)(CGU_DBOP));
+        lcd_putsf(0, line++, "CGU_PLLA  :%8x", (unsigned int)(CGU_PLLA));
+        lcd_putsf(0, line++, "CGU_PLLB  :%8x", (unsigned int)(CGU_PLLB));
+        lcd_putsf(0, line++, "CGU_PROC  :%8x", (unsigned int)(CGU_PROC));
+        lcd_putsf(0, line++, "CGU_PERI  :%8x", (unsigned int)(CGU_PERI));
+        lcd_putsf(0, line++, "CGU_IDE   :%8x", (unsigned int)(CGU_IDE));
+        lcd_putsf(0, line++, "CGU_DBOP  :%8x", (unsigned int)(CGU_DBOP));
 
 #if LCD_HEIGHT < 176  /* clip  */
         lcd_update();
@@ -349,12 +344,12 @@ bool __dbg_hw_info(void)
         line = 0;
 #endif  /*  LCD_HEIGHT < 176 */
 
-        _DEBUG_PRINTF("CGU_AUDIO :%8x", (unsigned int)(CGU_AUDIO));
-        _DEBUG_PRINTF("CGU_USB   :%8x", (unsigned int)(CGU_USB));
-        _DEBUG_PRINTF("I2C2_CPSR :%8x", (unsigned int)(I2C2_CPSR1<<8 |
+        lcd_putsf(0, line++, "CGU_AUDIO :%8x", (unsigned int)(CGU_AUDIO));
+        lcd_putsf(0, line++, "CGU_USB   :%8x", (unsigned int)(CGU_USB));
+        lcd_putsf(0, line++, "I2C2_CPSR :%8x", (unsigned int)(I2C2_CPSR1<<8 |
                                                        I2C2_CPSR0));
-        _DEBUG_PRINTF("MCI_NAND  :%8x", (unsigned int)(MCI_NAND));
-        _DEBUG_PRINTF("MCI_SD    :%8x", (unsigned int)(MCI_SD));
+        lcd_putsf(0, line++, "MCI_NAND  :%8x", (unsigned int)(MCI_NAND));
+        lcd_putsf(0, line++, "MCI_SD    :%8x", (unsigned int)(MCI_SD));
 
         lcd_update();
         int btn = button_get_w_tmo(HZ/10);
@@ -372,7 +367,6 @@ end:
 
 bool __dbg_ports(void)
 {
-    char buf[50];
     int line;
 
     lcd_clear_display();
@@ -381,19 +375,19 @@ bool __dbg_ports(void)
     while(1)
     {
         line = 0;
-        _DEBUG_PRINTF("[GPIO Values and Directions]");
-        _DEBUG_PRINTF("GPIOA: %2x DIR: %2x", GPIOA_DATA, GPIOA_DIR);
-        _DEBUG_PRINTF("GPIOB: %2x DIR: %2x", GPIOB_DATA, GPIOB_DIR);
-        _DEBUG_PRINTF("GPIOC: %2x DIR: %2x", GPIOC_DATA, GPIOC_DIR);
-        _DEBUG_PRINTF("GPIOD: %2x DIR: %2x", GPIOD_DATA, GPIOD_DIR);
+        lcd_puts(0, line++, "[GPIO Values and Directions]");
+        lcd_putsf(0, line++, "GPIOA: %2x DIR: %2x", GPIOA_DATA, GPIOA_DIR);
+        lcd_putsf(0, line++, "GPIOB: %2x DIR: %2x", GPIOB_DATA, GPIOB_DIR);
+        lcd_putsf(0, line++, "GPIOC: %2x DIR: %2x", GPIOC_DATA, GPIOC_DIR);
+        lcd_putsf(0, line++, "GPIOD: %2x DIR: %2x", GPIOD_DATA, GPIOD_DIR);
 #ifdef DEBUG_DBOP
         line++;
-        _DEBUG_PRINTF("[DBOP_DIN]");
-        _DEBUG_PRINTF("DBOP_DIN: %4x", button_dbop_data());
+        lcd_puts(0, line++, "[DBOP_DIN]");
+        lcd_putsf(0, line++, "DBOP_DIN: %4x", button_dbop_data());
 #endif
         line++;
-        _DEBUG_PRINTF("[CP15]");
-        _DEBUG_PRINTF("CP15: 0x%8x", read_cp15());
+        lcd_puts(0, line++, "[CP15]");
+        lcd_putsf(0, line++, "CP15: 0x%8x", read_cp15());
         lcd_update();
         if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
             break;
diff --git a/firmware/target/arm/imx31/debug-imx31.c b/firmware/target/arm/imx31/debug-imx31.c
index cc1e200c11..dc3c293495 100644
--- a/firmware/target/arm/imx31/debug-imx31.c
+++ b/firmware/target/arm/imx31/debug-imx31.c
@@ -32,7 +32,6 @@
 
 bool __dbg_hw_info(void)
 {
-    char buf[50];
     int line;
     unsigned int pllref;
     unsigned int mcu_pllfreq, ser_pllfreq, usb_pllfreq;
@@ -46,9 +45,8 @@ bool __dbg_hw_info(void)
     while (1)
     {
         line = 0;
-        snprintf(buf, sizeof (buf), "Sys Rev Code: 0x%02X",
-                 iim_system_rev());
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, "Sys Rev Code: 0x%02X", iim_system_rev());
+        line++;
 
         mpctl = CCM_MPCTL;
         spctl = CCM_SPCTL;
@@ -60,69 +58,55 @@ bool __dbg_hw_info(void)
         ser_pllfreq = ccm_get_pll(PLL_SERIAL);
         usb_pllfreq = ccm_get_pll(PLL_USB);
 
-        snprintf(buf, sizeof (buf), "pll_ref_clk: %u", pllref);
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, "pll_ref_clk: %u", pllref);
+        line++;
 
         /* MCU clock domain */
-        snprintf(buf, sizeof (buf), "MPCTL: %08lX", mpctl);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "MPCTL: %08lX", mpctl);
 
-        snprintf(buf, sizeof (buf), " mpl_dpdgck_clk: %u", mcu_pllfreq);
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, " mpl_dpdgck_clk: %u", mcu_pllfreq);
+        line++;
 
         regval = CCM_PDR0;
-        snprintf(buf, sizeof (buf), "  PDR0: %08lX", regval);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "  PDR0: %08lX", regval);
 
         freq = mcu_pllfreq / (((regval & 0x7) + 1));
-        snprintf(buf, sizeof (buf), "   mcu_clk:      %u", freq);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "   mcu_clk:      %u", freq);
 
         freq = mcu_pllfreq / (((regval >> 11) & 0x7) + 1);
-        snprintf(buf, sizeof (buf), "   hsp_clk:      %u", freq);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "   hsp_clk:      %u", freq);
 
         freq = mcu_pllfreq / (((regval >> 3) & 0x7) + 1);
-        snprintf(buf, sizeof (buf), "   hclk_clk:     %u", freq);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "   hclk_clk:     %u", freq);
 
-        snprintf(buf, sizeof (buf), "   ipg_clk:      %u",
+        lcd_putsf(0, line++, "   ipg_clk:      %u",
             freq / (unsigned)(((regval >> 6) & 0x3) + 1));
-        lcd_puts(0, line++, buf);
 
-        snprintf(buf, sizeof (buf), "   nfc_clk:      %u",
+        lcd_putsf(0, line++, "   nfc_clk:      %u",
             freq / (unsigned)(((regval >> 8) & 0x7) + 1));
-        lcd_puts(0, line++, buf);
 
         line++;
 
         /* Serial clock domain */
-        snprintf(buf, sizeof (buf), "SPCTL: %08lX", spctl);
-        lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof (buf), " spl_dpdgck_clk: %u", ser_pllfreq);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "SPCTL: %08lX", spctl);
+        lcd_putsf(0, line++, " spl_dpdgck_clk: %u", ser_pllfreq);
 
         line++;
 
         /* USB clock domain */
-        snprintf(buf, sizeof (buf), "UPCTL: %08lX", upctl);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "UPCTL: %08lX", upctl);
 
-        snprintf(buf, sizeof (buf), " upl_dpdgck_clk: %u", usb_pllfreq);
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, " upl_dpdgck_clk: %u", usb_pllfreq);
 
         regval = CCM_PDR1;
-        snprintf(buf, sizeof (buf), "  PDR1: %08lX", regval);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "  PDR1: %08lX", regval);
 
         freq = usb_pllfreq /
             ((((regval >> 30) & 0x3) + 1) * (((regval >> 27) & 0x7) + 1));
-        snprintf(buf, sizeof (buf), "   usb_clk:       %u", freq);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "   usb_clk:       %u", freq);
 
         freq = usb_pllfreq / (((CCM_PDR0 >> 16) & 0x1f) + 1);
-        snprintf(buf, sizeof (buf), "   ipg_per_baud:  %u", freq);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "   ipg_per_baud:  %u", freq);
           
         lcd_update();
 
@@ -133,7 +117,6 @@ bool __dbg_hw_info(void)
 
 bool __dbg_ports(void)
 {
-    char buf[50];
     int line;
     int i;
 
@@ -171,71 +154,62 @@ bool __dbg_ports(void)
     while(1)
     {
         line = 0;
-        snprintf(buf, sizeof(buf), "[Ports and Registers]");
-        lcd_puts(0, line++, buf); line++;
+        lcd_puts(0, line++, "[Ports and Registers]");
+        line++;
 
         /* GPIO1 */
-        snprintf(buf, sizeof(buf), "GPIO1: DR:   %08lx GDIR: %08lx", GPIO1_DR, GPIO1_GDIR);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPIO1: DR:   %08lx GDIR: %08lx", GPIO1_DR, GPIO1_GDIR);
 
-        snprintf(buf, sizeof(buf), "       PSR:  %08lx ICR1: %08lx", GPIO1_PSR, GPIO1_ICR1);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "       PSR:  %08lx ICR1: %08lx", GPIO1_PSR, GPIO1_ICR1);
 
-        snprintf(buf, sizeof(buf), "       ICR2: %08lx IMR:  %08lx", GPIO1_ICR2, GPIO1_IMR);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "       ICR2: %08lx IMR:  %08lx", GPIO1_ICR2, GPIO1_IMR);
 
-        snprintf(buf, sizeof(buf), "       ISR:  %08lx",             GPIO1_ISR);
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, "       ISR:  %08lx",             GPIO1_ISR);
+        line++;
 
         /* GPIO2 */
-        snprintf(buf, sizeof(buf), "GPIO2: DR:   %08lx GDIR: %08lx", GPIO2_DR, GPIO2_GDIR);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPIO2: DR:   %08lx GDIR: %08lx", GPIO2_DR, GPIO2_GDIR);
 
-        snprintf(buf, sizeof(buf), "       PSR:  %08lx ICR1: %08lx", GPIO2_PSR, GPIO2_ICR1);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "       PSR:  %08lx ICR1: %08lx", GPIO2_PSR, GPIO2_ICR1);
 
-        snprintf(buf, sizeof(buf), "       ICR2: %08lx IMR:  %08lx", GPIO2_ICR2, GPIO2_IMR);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "       ICR2: %08lx IMR:  %08lx", GPIO2_ICR2, GPIO2_IMR);
 
-        snprintf(buf, sizeof(buf), "       ISR:  %08lx",             GPIO2_ISR);
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, "       ISR:  %08lx",             GPIO2_ISR);
+        line++;
 
         /* GPIO3 */
-        snprintf(buf, sizeof(buf), "GPIO3: DR:   %08lx GDIR: %08lx", GPIO3_DR, GPIO3_GDIR);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPIO3: DR:   %08lx GDIR: %08lx", GPIO3_DR, GPIO3_GDIR);
 
-        snprintf(buf, sizeof(buf), "       PSR:  %08lx ICR1: %08lx", GPIO3_PSR, GPIO3_ICR1);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "       PSR:  %08lx ICR1: %08lx", GPIO3_PSR, GPIO3_ICR1);
 
-        snprintf(buf, sizeof(buf), "       ICR2: %08lx IMR:  %08lx", GPIO3_ICR2, GPIO3_IMR);
-        lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "       ICR2: %08lx IMR:  %08lx", GPIO3_ICR2, GPIO3_IMR);
 
-        snprintf(buf, sizeof(buf), "       ISR:  %08lx",             GPIO3_ISR);
-        lcd_puts(0, line++, buf); line++;
+        lcd_putsf(0, line++, "       ISR:  %08lx",             GPIO3_ISR);
+        line++;
 
-        lcd_puts(0, line++, "PMIC Registers"); line++;
+        lcd_puts(0, line++, "PMIC Registers");
+        line++;
 
         mc13783_read_regset(pmic_regset, pmic_regs, ARRAYLEN(pmic_regs));
 
         for (i = 0; i < (int)ARRAYLEN(pmic_regs); i++)
         {
-            snprintf(buf, sizeof(buf), "%s: %08lx", pmic_regnames[i], pmic_regs[i]);
-            lcd_puts(0, line++, buf);
+            lcd_putsf(0, line++, "%s: %08lx", pmic_regnames[i], pmic_regs[i]);
         }
 
         line++;
 
-        lcd_puts(0, line++, "ADC"); line++;
+        lcd_puts(0, line++, "ADC");
+        line++;
 
         for (i = 0; i < NUM_ADC_CHANNELS; i += 4)
         {
-            snprintf(buf, sizeof(buf),
+            lcd_putsf(0, line++,
                      "CH%02d:%04u CH%02d:%04u CH%02d:%04u CH%02d:%04u",
                      i+0, adc_read(i+0),
                      i+1, adc_read(i+1),
                      i+2, adc_read(i+2),
                      i+3, adc_read(i+3));
-            lcd_puts(0, line++, buf);
         }
 
         lcd_update();
diff --git a/firmware/target/arm/s3c2440/debug-s3c2440.c b/firmware/target/arm/s3c2440/debug-s3c2440.c
index 6c01f8bc1a..df3fa3c026 100644
--- a/firmware/target/arm/s3c2440/debug-s3c2440.c
+++ b/firmware/target/arm/s3c2440/debug-s3c2440.c
@@ -46,40 +46,39 @@ bool __dbg_ports(void)
     while(1)
     {
         line = 0;
-        snprintf(buf, sizeof(buf), "[Ports and Registers]");
-        lcd_puts(0, line++, buf);
+        lcd_puts(0, line++, "[Ports and Registers]");
 
-        snprintf(buf, sizeof(buf), "GPACON: %08lx GPBCON: %08lx", GPACON, GPBCON);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPADAT: %08lx GPBDAT: %08lx", GPADAT, GPBDAT);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPAUP:  %08lx GPBUP:  %08lx", 0ul, GPBUP);      lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPCCON: %08lx GPDCON: %08lx", GPCCON, GPDCON);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPCDAT: %08lx GPDDAT: %08lx", GPCDAT, GPDDAT);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPCUP:  %08lx GPDUP:  %08lx", GPCUP, GPDUP);    lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPACON: %08lx GPBCON: %08lx", GPACON, GPBCON);
+        lcd_putsf(0, line++, "GPADAT: %08lx GPBDAT: %08lx", GPADAT, GPBDAT);
+        lcd_putsf(0, line++, "GPAUP:  %08lx GPBUP:  %08lx", 0ul, GPBUP);
+        lcd_putsf(0, line++, "GPCCON: %08lx GPDCON: %08lx", GPCCON, GPDCON);
+        lcd_putsf(0, line++, "GPCDAT: %08lx GPDDAT: %08lx", GPCDAT, GPDDAT);
+        lcd_putsf(0, line++, "GPCUP:  %08lx GPDUP:  %08lx", GPCUP, GPDUP)
 
-        snprintf(buf, sizeof(buf), "GPCCON: %08lx GPDCON: %08lx", GPCCON, GPDCON);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPCDAT: %08lx GPDDAT: %08lx", GPCDAT, GPDDAT);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPCUP:  %08lx GPDUP:  %08lx", GPCUP, GPDUP);    lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPCCON: %08lx GPDCON: %08lx", GPCCON, GPDCON);
+        lcd_putsf(0, line++, "GPCDAT: %08lx GPDDAT: %08lx", GPCDAT, GPDDAT);
+        lcd_putsf(0, line++, "GPCUP:  %08lx GPDUP:  %08lx", GPCUP, GPDUP);
 
-        snprintf(buf, sizeof(buf), "GPECON: %08lx GPFCON: %08lx", GPECON, GPFCON);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPEDAT: %08lx GPFDAT: %08lx", GPEDAT, GPFDAT);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPEUP:  %08lx GPFUP:  %08lx", GPEUP, GPFUP);    lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPECON: %08lx GPFCON: %08lx", GPECON, GPFCON);
+        lcd_putsf(0, line++, "GPEDAT: %08lx GPFDAT: %08lx", GPEDAT, GPFDAT);
+        lcd_putsf(0, line++, "GPEUP:  %08lx GPFUP:  %08lx", GPEUP, GPFUP);
 
-        snprintf(buf, sizeof(buf), "GPGCON: %08lx GPHCON: %08lx", GPGCON, GPHCON);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPGDAT: %08lx GPHDAT: %08lx", GPGDAT, GPHDAT);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPGUP:  %08lx GPHUP:  %08lx", GPGUP, GPHUP);    lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPGCON: %08lx GPHCON: %08lx", GPGCON, GPHCON);
+        lcd_putsf(0, line++, "GPGDAT: %08lx GPHDAT: %08lx", GPGDAT, GPHDAT);
+        lcd_putsf(0, line++, "GPGUP:  %08lx GPHUP:  %08lx", GPGUP, GPHUP);
 
-        snprintf(buf, sizeof(buf), "GPJCON: %08lx", GPJCON);                        lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPJDAT: %08lx", GPJDAT);                        lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "GPJUP:  %08lx", GPJUP);                         lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "GPJCON: %08lx", GPJCON);
+        lcd_putsf(0, line++, "GPJDAT: %08lx", GPJDAT);
+        lcd_putsf(0, line++, "GPJUP:  %08lx", GPJUP);
         
         line++;
 
-        snprintf(buf, sizeof(buf), "SRCPND:  %08lx INTMOD:  %08lx", SRCPND, INTMOD);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "INTMSK:  %08lx INTPND:  %08lx", INTMSK, INTPND);  lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "CLKCON:  %08lx CLKSLOW: %08lx", CLKCON, CLKSLOW); lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "MPLLCON: %08lx UPLLCON: %08lx", MPLLCON, UPLLCON); lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "CLKDIVN: %08lx CAMDIVN: %08lx", CLKDIVN, CAMDIVN); lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "BWSCON:  %08lx TCONSEL: %08lx", BWSCON, TCONSEL);  lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "SRCPND:  %08lx INTMOD:  %08lx", SRCPND, INTMOD);
+        lcd_putsf(0, line++, "INTMSK:  %08lx INTPND:  %08lx", INTMSK, INTPND);
+        lcd_putsf(0, line++, "CLKCON:  %08lx CLKSLOW: %08lx", CLKCON, CLKSLOW);
+        lcd_putsf(0, line++, "MPLLCON: %08lx UPLLCON: %08lx", MPLLCON, UPLLCON);
+        lcd_putsf(0, line++, "CLKDIVN: %08lx CAMDIVN: %08lx", CLKDIVN, CAMDIVN);
+        lcd_putsf(0, line++, "BWSCON:  %08lx TCONSEL: %08lx", BWSCON, TCONSEL);
 
         lcd_update();
         if (button_get_w_tmo(HZ/10) == (DEBUG_CANCEL|BUTTON_REL))
diff --git a/firmware/target/arm/system-arm.c b/firmware/target/arm/system-arm.c
index 5c5a18c867..920dbacd10 100644
--- a/firmware/target/arm/system-arm.c
+++ b/firmware/target/arm/system-arm.c
@@ -36,16 +36,13 @@ static const char* const uiename[] = {
  */
 void __attribute__((noreturn)) UIE(unsigned int pc, unsigned int num)
 {
-    char str[32];
-
     lcd_clear_display();
 #ifdef HAVE_LCD_BITMAP
     lcd_setfont(FONT_SYSFIXED);
 #endif
     lcd_puts(0, 0, uiename[num]);
-    snprintf(str, sizeof(str), "at %08x" IF_COP(" (%d)"), pc
+    lcd_putsf(0, 1, "at %08x" IF_COP(" (%d)"), pc
              IF_COP(, CURRENT_CORE));
-    lcd_puts(0, 1, str);
     lcd_update();
 
     disable_interrupt(IRQ_FIQ_STATUS);
diff --git a/firmware/target/arm/tms320dm320/debug-dm320.c b/firmware/target/arm/tms320dm320/debug-dm320.c
index 53acd3f655..d4d478a007 100755
--- a/firmware/target/arm/tms320dm320/debug-dm320.c
+++ b/firmware/target/arm/tms320dm320/debug-dm320.c
@@ -48,7 +48,6 @@ bool __dbg_hw_info(void)
     int *address=0x0;
 #endif
     bool done=false;
-    char buf[100];
 
     lcd_setfont(FONT_SYSFIXED);
     lcd_clear_display();
@@ -58,38 +57,27 @@ bool __dbg_hw_info(void)
 
     lcd_puts(0, line++, "Clock info:");
 #if LCD_WIDTH > 320
-    snprintf(buf, sizeof(buf), "IO_CLK_PLLA: 0x%04x IO_CLK_PLLB: 0x%04x IO_CLK_SEL0: 0x%04x IO_CLK_SEL1: 0x%04x",
-        IO_CLK_PLLA, IO_CLK_PLLB, IO_CLK_SEL0, IO_CLK_SEL1);    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), "IO_CLK_SEL2: 0x%04x IO_CLK_DIV0: 0x%04x IO_CLK_DIV1: 0x%04x IO_CLK_DIV2: 0x%04x",
-        IO_CLK_SEL2, IO_CLK_DIV0, IO_CLK_DIV1, IO_CLK_DIV2);    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), "IO_CLK_DIV3: 0x%04x IO_CLK_DIV4: 0x%04x IO_CLK_BYP : 0x%04x IO_CLK_INV : 0x%04x",
-        IO_CLK_DIV3, IO_CLK_DIV4, IO_CLK_BYP, IO_CLK_INV);    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), "IO_CLK_MOD0: 0x%04x IO_CLK_MOD1: 0x%04x IO_CLK_MOD2: 0x%04x IO_CLK_LPCTL0: 0x%04x",
-        IO_CLK_MOD0, IO_CLK_MOD1, IO_CLK_MOD2, IO_CLK_LPCTL0);    lcd_puts(0, line++, buf);
+    lcd_putsf(0, line++, "IO_CLK_PLLA: 0x%04x IO_CLK_PLLB: 0x%04x IO_CLK_SEL0: 0x%04x IO_CLK_SEL1: 0x%04x",
+        IO_CLK_PLLA, IO_CLK_PLLB, IO_CLK_SEL0, IO_CLK_SEL1);
+    lcd_putsf(0, line++, "IO_CLK_SEL2: 0x%04x IO_CLK_DIV0: 0x%04x IO_CLK_DIV1: 0x%04x IO_CLK_DIV2: 0x%04x",
+        IO_CLK_SEL2, IO_CLK_DIV0, IO_CLK_DIV1, IO_CLK_DIV2);
+    lcd_putsf(0, line++, "IO_CLK_DIV3: 0x%04x IO_CLK_DIV4: 0x%04x IO_CLK_BYP : 0x%04x IO_CLK_INV : 0x%04x",
+        IO_CLK_DIV3, IO_CLK_DIV4, IO_CLK_BYP, IO_CLK_INV);
+    lcd_putsf(0, line++, "IO_CLK_MOD0: 0x%04x IO_CLK_MOD1: 0x%04x IO_CLK_MOD2: 0x%04x IO_CLK_LPCTL0: 0x%04x",
+        IO_CLK_MOD0, IO_CLK_MOD1, IO_CLK_MOD2, IO_CLK_LPCTL0);
 #else
-    snprintf(buf, sizeof(buf), " IO_CLK_PLLA: 0x%04x IO_CLK_PLLB: 0x%04x", IO_CLK_PLLA, IO_CLK_PLLB);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_CLK_SEL0: 0x%04x IO_CLK_SEL1: 0x%04x", IO_CLK_SEL0, IO_CLK_SEL1);
-    lcd_puts(0, line++, buf); 
-    snprintf(buf, sizeof(buf), " IO_CLK_SEL2: 0x%04x IO_CLK_DIV0: 0x%04x", IO_CLK_SEL2, IO_CLK_DIV0);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_CLK_DIV1: 0x%04x IO_CLK_DIV2: 0x%04x", IO_CLK_DIV1, IO_CLK_DIV2);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_CLK_DIV3: 0x%04x IO_CLK_DIV4: 0x%04x", IO_CLK_DIV3, IO_CLK_DIV4);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_CLK_BYP : 0x%04x IO_CLK_INV : 0x%04x", IO_CLK_BYP, IO_CLK_INV);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_CLK_MOD0: 0x%04x IO_CLK_MOD1: 0x%04x ", IO_CLK_MOD0, IO_CLK_MOD1);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_CLK_MOD2: 0x%04x IO_CLK_LPCTL0: 0x%04x ", IO_CLK_MOD2, IO_CLK_LPCTL0);
-    lcd_puts(0, line++, buf); 
+    lcd_putsf(0, line++, " IO_CLK_PLLA: 0x%04x IO_CLK_PLLB: 0x%04x", IO_CLK_PLLA, IO_CLK_PLLB);
+    lcd_putsf(0, line++, " IO_CLK_SEL0: 0x%04x IO_CLK_SEL1: 0x%04x", IO_CLK_SEL0, IO_CLK_SEL1);
+    lcd_putsf(0, line++, " IO_CLK_SEL2: 0x%04x IO_CLK_DIV0: 0x%04x", IO_CLK_SEL2, IO_CLK_DIV0);
+    lcd_putsf(0, line++, " IO_CLK_DIV1: 0x%04x IO_CLK_DIV2: 0x%04x", IO_CLK_DIV1, IO_CLK_DIV2);
+    lcd_putsf(0, line++, " IO_CLK_DIV3: 0x%04x IO_CLK_DIV4: 0x%04x", IO_CLK_DIV3, IO_CLK_DIV4);
+    lcd_putsf(0, line++, " IO_CLK_BYP : 0x%04x IO_CLK_INV : 0x%04x", IO_CLK_BYP, IO_CLK_INV);
+    lcd_putsf(0, line++, " IO_CLK_MOD0: 0x%04x IO_CLK_MOD1: 0x%04x ", IO_CLK_MOD0, IO_CLK_MOD1);
+    lcd_putsf(0, line++, " IO_CLK_MOD2: 0x%04x IO_CLK_LPCTL0: 0x%04x ", IO_CLK_MOD2, IO_CLK_LPCTL0);
     lcd_puts(0, line++, "Interrupt info:");
-    snprintf(buf, sizeof(buf), " IO_INTC_EINT0: 0x%04x IO_INTC_EINT1: 0x%04x ", IO_INTC_EINT0, IO_INTC_EINT1);
-    lcd_puts(0, line++, buf); 
-    snprintf(buf, sizeof(buf), " IO_INTC_EINT2: 0x%04x IO_INTC_IRQ0: 0x%04x ", IO_INTC_EINT2, IO_INTC_IRQ0);
-    lcd_puts(0, line++, buf);
-    snprintf(buf, sizeof(buf), " IO_INTC_IRQ1: 0x%04x IO_INTC_IRQ2: 0x%04x ", IO_INTC_IRQ1, IO_INTC_IRQ2);
-    lcd_puts(0, line++, buf);
+    lcd_putsf(0, line++, " IO_INTC_EINT0: 0x%04x IO_INTC_EINT1: 0x%04x ", IO_INTC_EINT0, IO_INTC_EINT1);
+    lcd_putsf(0, line++, " IO_INTC_EINT2: 0x%04x IO_INTC_IRQ0: 0x%04x ", IO_INTC_EINT2, IO_INTC_IRQ0);
+    lcd_putsf(0, line++, " IO_INTC_IRQ1: 0x%04x IO_INTC_IRQ2: 0x%04x ", IO_INTC_IRQ1, IO_INTC_IRQ2);
 #endif
                 
     lcd_puts(0, line++, "Board revision:");
@@ -134,20 +122,19 @@ bool __dbg_hw_info(void)
         lcd_set_direct_fb(true);
     
     lcd_puts(0, line++, "LCD info:");
-    snprintf(buf, sizeof(buf), " LCD direct FB access? %s", (lcd_get_direct_fb() ? "yes" : "no"));
-    lcd_puts(0, line++, buf);
+    lcd_putsf(0, line++, " LCD direct FB access? %s", (lcd_get_direct_fb() ? "yes" : "no"));
     line++;
 #endif
         lcd_puts(0, line++, "[Rockbox info]");
-        snprintf(buf, sizeof(buf), "current tick: %08x Seconds running: %08d",
-            (unsigned int)current_tick, (unsigned int)current_tick/100);  lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "current tick: %08x Seconds running: %08d",
+            (unsigned int)current_tick, (unsigned int)current_tick/100);
 #ifndef CREATIVE_ZVx
-        snprintf(buf, sizeof(buf), "Address: 0x%08x Data: 0x%08x", 
-            (unsigned int)address, *address);           lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "Address: 0x%08x Data: 0x%08x",
-            (unsigned int)(address+1), *(address+1));   lcd_puts(0, line++, buf);
-        snprintf(buf, sizeof(buf), "Address: 0x%08x Data: 0x%08x",
-            (unsigned int)(address+2), *(address+2));   lcd_puts(0, line++, buf);
+        lcd_putsf(0, line++, "Address: 0x%08x Data: 0x%08x", 
+            (unsigned int)address, *address);
+        lcd_putsf(0, line++, "Address: 0x%08x Data: 0x%08x",
+            (unsigned int)(address+1), *(address+1));
+        lcd_putsf(0, line++, "Address: 0x%08x Data: 0x%08x",
+            (unsigned int)(address+2), *(address+2));
 #endif
 
         lcd_update();