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example-fs-bb48: ADC added

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This commit is contained in:
NIIBE Yutaka
2016-05-26 09:50:07 +09:00
parent 2578fc0f30
commit cf81e7a6dc
5 changed files with 131 additions and 66 deletions
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60
example-fs-bb48/command.c
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@@ -3,7 +3,7 @@
#include <chopstx.h>
#include "tty.h"
#include "config.h"
#ifdef TEMPERATURE_SUPPORT
#ifdef ADC_SUPPORT
#include "adc.h"
static int adc_initialized = 0;
#endif
@@ -30,8 +30,8 @@ static const char *help_string =
#ifdef CRC32_SUPPORT
"crc32 string\r\n"
#endif
#ifdef TEMPERATURE_SUPPORT
"temp\r\n"
#ifdef ADC_SUPPORT
"adc\r\n"
#endif
"help\r\n";
@@ -46,6 +46,7 @@ static char hexchar (uint8_t x)
return '?';
}
#ifdef ENABLE_DECIMAL_OUTPUT
static char *
compose_decimal (char *s, int value)
{
@@ -81,6 +82,7 @@ compose_decimal (char *s, int value)
return s;
}
#endif
static char *
compose_hex (char *s, uint32_t v)
@@ -214,18 +216,12 @@ cmd_crc32 (struct tty *tty, const char *line)
}
#endif
#ifdef TEMPERATURE_SUPPORT
#define ADCV_TEMP25 14800 /* TYP: 716mV=14219 */
#define ADCV_100M 3217
/* m = 1.62 mV/C_degree */
#ifdef ADC_SUPPORT
static void
cmd_temperature (struct tty *tty, const char *line)
cmd_adc (struct tty *tty, const char *line)
{
uint32_t v;
int t;
char string[13];
int i;
char output[73];
char *s;
(void)line;
@@ -244,21 +240,27 @@ cmd_temperature (struct tty *tty, const char *line)
}
}
adc_start_conversion (0, 1);
adc_wait_completion (NULL);
v = adc_buf[0];
adc_start_conversion (0, 64);
adc_wait_completion ();
t = 25 - (((int)v - ADCV_TEMP25) * 100 / ADCV_100M);
s = compose_hex (string, v);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, (uint8_t *)string, s - string);
s = compose_decimal (string, t);
*s++ = '\r';
*s++ = '\n';
tty_send (tty, (uint8_t *)string, s - string);
i = 0;
s = output;
while (1)
{
s = compose_hex (s, adc_buf[i]);
i++;
if ((i % 8))
*s++ = ' ';
else
{
*s++ = '\r';
*s++ = '\n';
tty_send (tty, (uint8_t *)output, s - output);
s = output;
if (i >= 64)
break;
}
}
}
#endif
@@ -276,8 +278,8 @@ struct command_table command_table[] = {
#ifdef CRC32_SUPPORT
{ "crc32", cmd_crc32 },
#endif
#ifdef TEMPERATURE_SUPPORT
{ "temp", cmd_temperature },
#ifdef ADC_SUPPORT
{ "adc", cmd_adc },
#endif
{ "help", cmd_help },
};