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Resistor calculator: Add lots of static, and slightly reorganise the code

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28271 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Frank Gevaerts 2010-10-13 20:43:18 +00:00
parent d793a971d8
commit 771646a576
1 changed files with 52 additions and 76 deletions
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108
apps/plugins/resistor.c
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@ -86,8 +86,8 @@ enum color {
RES_INVALID = -1, RES_INVALID = -1,
}; };
int common_values[] = { 0, 1, 10, 15, 22, 27, 33, 39, 47, 51, 68, 82 }; static int common_values[] = { 0, 1, 10, 15, 22, 27, 33, 39, 47, 51, 68, 82 };
int power_ratings[] = { 125, 250, 500, 1000, 2000, 3000, 5000, 10000, 50000 }; static int power_ratings[] = { 125, 250, 500, 1000, 2000, 3000, 5000, 10000, 50000 };
/* All in mW */ /* All in mW */
#ifndef LCD_RGBPACK #ifndef LCD_RGBPACK
@ -95,7 +95,7 @@ int power_ratings[] = { 125, 250, 500, 1000, 2000, 3000, 5000, 10000, 50000 };
#define LCD_RGBPACK(x,y,z) 0 #define LCD_RGBPACK(x,y,z) 0
#endif #endif
struct band_data static struct band_data
{ {
enum color color; enum color color;
char *name; char *name;
@ -121,69 +121,42 @@ struct band_data
{ RES_NONE, "[None]", -1 ,-1, -1, 0, 20 } { RES_NONE, "[None]", -1 ,-1, -1, 0, 20 }
}; };
char *unit_abbrev; static char *unit_abbrev;
char tolerance_str [14];
char power_rating_str [10];
int r_to_c_first_band;
int r_to_c_second_band;
int r_to_c_third_band;
char str [4][7]; static struct viewport screen_vp;
static struct viewport bitmap_vp;
static struct viewport text_vp;
static struct screen *display;
struct viewport screen_vp; static int lineno;
struct viewport bitmap_vp;
struct viewport text_vp;
struct screen *display;
int lineno; static char *get_power_rating_str(int in_rating)
void get_power_rating_str(int in_rating)
{ {
switch(in_rating) { switch(in_rating) {
case 125: case 125:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "1/8 Watt"); return "1/8 Watt";
break;
case 250: case 250:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "1/4 Watt"); return "1/4 Watt";
break;
case 500: case 500:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "1/2 Watt"); return "1/2 Watt";
break;
case 1000: case 1000:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "1 Watt"); return "1 Watt";
break;
case 2000: case 2000:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "2 Watt"); return "2 Watt";
break;
case 3000: case 3000:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "3 Watt"); return "3 Watt";
break;
case 5000: case 5000:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "5 Watt"); return "5 Watt";
break;
case 10000: case 10000:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "10 Watt"); return "10 Watt";
break;
case 500000: case 500000:
rb->snprintf(power_rating_str, sizeof(power_rating_str), "50 Watt"); return "50 Watt";
break; default:
return "Unknown";
} }
} }
int get_power_ten(int in_val) static int powi(int num, int exp)
{
int power = 0;
if(in_val <= 9 && in_val >= 0) { power = 0; }
else if(in_val <= 99 && in_val >= 10) {power = 1;}
else if(in_val <= 999 && in_val >= 100) {power = 2;}
else if(in_val <= 9999 && in_val >= 1000) {power = 3;}
else if(in_val <= 99999 && in_val >= 10000) {power = 4;}
else if(in_val <= 999999 && in_val >= 100000) {power = 5;}
else if(in_val <= 9999999 && in_val >= 1000000) {power = 6;}
return power;
}
int powi(int num, int exp)
{ {
int i, product = 1; int i, product = 1;
for (i = 0; i < exp; i++) { for (i = 0; i < exp; i++) {
@ -192,7 +165,7 @@ int powi(int num, int exp)
return product; return product;
} }
enum color get_band_rtoc(int in_val) static enum color get_band_rtoc(int in_val)
{ {
int return_color = 0; int return_color = 0;
switch(in_val) { switch(in_val) {
@ -230,14 +203,16 @@ enum color get_band_rtoc(int in_val)
return return_color; return return_color;
} }
void get_tolerance_str(enum color color) static char *get_tolerance_str(enum color color)
{ {
static char tolerance_str [14];
rb->snprintf(tolerance_str, sizeof(tolerance_str), "%d%% tolerance", rb->snprintf(tolerance_str, sizeof(tolerance_str), "%d%% tolerance",
band_data[color].tolerance); band_data[color].tolerance);
return tolerance_str;
} }
#ifndef USE_TEXT_ONLY #ifndef USE_TEXT_ONLY
void draw_resistor(enum color firstband_color, static void draw_resistor(enum color firstband_color,
enum color secondband_color, enum color secondband_color,
enum color thirdband_color, enum color thirdband_color,
enum color fourthband_color) enum color fourthband_color)
@ -290,7 +265,7 @@ void draw_resistor(enum color firstband_color,
} }
#endif #endif
void draw_resistor_text(enum color firstband_color, static void draw_resistor_text(enum color firstband_color,
enum color secondband_color, enum color secondband_color,
enum color thirdband_color, enum color thirdband_color,
enum color fourthband_color) enum color fourthband_color)
@ -307,7 +282,7 @@ void draw_resistor_text(enum color firstband_color,
} }
int calculate_resistance(enum color first_band, static int calculate_resistance(enum color first_band,
enum color second_band, enum color second_band,
enum color third_band) enum color third_band)
{ {
@ -325,7 +300,7 @@ int calculate_resistance(enum color first_band,
return total_resistance_centiunits; return total_resistance_centiunits;
} }
enum color do_first_band_menu(void) static enum color do_first_band_menu(void)
{ {
int band_selection = 0; int band_selection = 0;
enum color band_color_selection = 0; enum color band_color_selection = 0;
@ -373,7 +348,7 @@ enum color do_first_band_menu(void)
return band_color_selection; return band_color_selection;
} }
enum color do_second_band_menu(void) static enum color do_second_band_menu(void)
{ {
int band_selection = 0; int band_selection = 0;
enum color band_color_selection = 0; enum color band_color_selection = 0;
@ -421,7 +396,7 @@ enum color do_second_band_menu(void)
return band_color_selection; return band_color_selection;
} }
enum color do_third_band_menu(void) static enum color do_third_band_menu(void)
{ {
int band_selection = 0; int band_selection = 0;
enum color band_color_selection = 0; enum color band_color_selection = 0;
@ -466,7 +441,7 @@ enum color do_third_band_menu(void)
return band_color_selection; return band_color_selection;
} }
enum color do_fourth_band_menu(void) static enum color do_fourth_band_menu(void)
{ {
int band_selection = 0; int band_selection = 0;
enum color band_color_selection = 0; enum color band_color_selection = 0;
@ -498,7 +473,7 @@ enum color do_fourth_band_menu(void)
return band_color_selection; return band_color_selection;
} }
void display_helpfile(void) static void display_helpfile(void)
{ {
rb->lcd_clear_display(); rb->lcd_clear_display();
/* some information obtained from wikipedia */ /* some information obtained from wikipedia */
@ -591,7 +566,7 @@ void display_helpfile(void)
return; return;
} }
void led_resistance_calc(void) static void led_resistance_calc(void)
{ {
backlight_force_on(); backlight_force_on();
int voltage_menu_selection, button_press, j, k, l, foreward_current = 0; int voltage_menu_selection, button_press, j, k, l, foreward_current = 0;
@ -770,7 +745,8 @@ void led_resistance_calc(void)
"Rounded/displayed: [%d %s]", rounded_resistance, "Rounded/displayed: [%d %s]", rounded_resistance,
band_data[multiplier].unit); band_data[multiplier].unit);
rb->snprintf(power_rating_out_str, sizeof(power_rating_out_str), rb->snprintf(power_rating_out_str, sizeof(power_rating_out_str),
"Recommended: %s or greater", power_rating_str); "Recommended: %s or greater",
get_power_rating_str(rounded_power_rating));
display->set_viewport(&text_vp); display->set_viewport(&text_vp);
rb->lcd_puts_scroll(resistance_val_x, lineno++, true_current_out_str); rb->lcd_puts_scroll(resistance_val_x, lineno++, true_current_out_str);
@ -796,7 +772,7 @@ void led_resistance_calc(void)
} }
void resistance_to_color(void) static void resistance_to_color(void)
{ {
backlight_force_on(); backlight_force_on();
int menu_selection; int menu_selection;
@ -921,7 +897,7 @@ void resistance_to_color(void)
rb->lcd_clear_display(); rb->lcd_clear_display();
} }
void color_to_resistance(void) static void color_to_resistance(void)
{ {
backlight_force_on(); backlight_force_on();
bool quit = false; bool quit = false;
@ -955,7 +931,6 @@ void color_to_resistance(void)
total_resistance_centiunits = calculate_resistance(first_band, total_resistance_centiunits = calculate_resistance(first_band,
second_band, second_band,
third_band); third_band);
get_tolerance_str(fourth_band);
rb->lcd_clear_display(); rb->lcd_clear_display();
lineno = INITIAL_TEXT_Y; lineno = INITIAL_TEXT_Y;
@ -983,7 +958,8 @@ void color_to_resistance(void)
display->set_viewport(&text_vp); display->set_viewport(&text_vp);
rb->lcd_puts_scroll(total_resistance_str_x, lineno++, rb->lcd_puts_scroll(total_resistance_str_x, lineno++,
total_resistance_str); total_resistance_str);
rb->lcd_puts_scroll(tolerance_str_x, lineno++, tolerance_str); rb->lcd_puts_scroll(tolerance_str_x, lineno++,
get_tolerance_str(fourth_band));
rb->lcd_update(); rb->lcd_update();
button_input = rb->button_get(true); button_input = rb->button_get(true);