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Diffstat (limited to 'openpcd/firmware/src/picc/main_openpicc.c')
-rw-r--r--openpcd/firmware/src/picc/main_openpicc.c109
1 files changed, 107 insertions, 2 deletions
diff --git a/openpcd/firmware/src/picc/main_openpicc.c b/openpcd/firmware/src/picc/main_openpicc.c
index 3b3ba2a..80f6dbf 100644
--- a/openpcd/firmware/src/picc/main_openpicc.c
+++ b/openpcd/firmware/src/picc/main_openpicc.c
@@ -8,18 +8,46 @@
#include <os/usb_handler.h>
#include "../openpcd.h"
#include <os/main.h>
+#include <os/pwm.h>
+#include <os/tc_cdiv.h>
#include <picc/pll.h>
+#include <picc/load_modulation.h>
+
+static const u_int16_t cdivs[] = { 128, 64, 32, 16 };
+static int cdiv_idx = 0;
+
+static u_int16_t duty_percent = 22;
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
+static u_int32_t pwm_freq[] = { 105937, 211875, 423750, 847500 };
+static u_int8_t pwm_freq_idx = 0;
+
+static u_int8_t load_mod = 0;
void _init_func(void)
{
pll_init();
poti_init();
+ load_mod_init();
tc_cdiv_init();
+ pwm_init();
//adc_init();
//ssc_rx_init();
// ssc_tx_init();
}
+static void help(void)
+{
+ DEBUGPCR("q: poti decrease q: poti increase\r\n"
+ "e: poti retransmit P: PLL inhibit toggle");
+ DEBUGPCR("o: decrease duty p: increase duty\r\n"
+ "k: stop pwm l: start pwn\r\n"
+ "n: decrease freq m: incresae freq");
+ DEBUGPCR("u: PA23 const 1 y: PA23 const 0\r\n"
+ "t: PA23 PWM0\r\n"
+ "{: decrease cdiv_idx }: increse cdiv idx\r\n"
+ "<: decrease cdiv_phase >: increase cdiv_phase");
+}
+
int _main_dbgu(char key)
{
unsigned char value;
@@ -36,7 +64,7 @@ int _main_dbgu(char key)
DEBUGPCRF("Poti: %u", poti);
break;
case 'w':
- if (poti < 126)
+ if (poti < 127)
poti++;
poti_comp_carr(poti);
DEBUGPCRF("Poti: %u", poti);
@@ -45,13 +73,90 @@ int _main_dbgu(char key)
poti_comp_carr(poti);
DEBUGPCRF("Poti: %u", poti);
break;
- case 'p':
+ case 'P':
pll_inh++;
pll_inh &= 0x01;
pll_inhibit(pll_inh);
DEBUGPCRF("PLL Inhibit: %u\n", pll_inh);
break;
+ case 'o':
+ if (duty_percent >= 1)
+ duty_percent--;
+ pwm_duty_set_percent(0, duty_percent);
+ break;
+ case 'p':
+ if (duty_percent <= 99)
+ duty_percent++;
+ pwm_duty_set_percent(0, duty_percent);
+ break;
+ case 'k':
+ pwm_stop(0);
+ break;
+ case 'l':
+ pwm_start(0);
+ break;
+ case 'n':
+ if (pwm_freq_idx > 0) {
+ pwm_freq_idx--;
+ pwm_stop(0);
+ pwm_freq_set(0, pwm_freq[pwm_freq_idx]);
+ pwm_start(0);
+ pwm_duty_set_percent(0, 22); /* 22% of 9.43uS = 2.07uS */
+ }
+ break;
+ case 'm':
+ if (pwm_freq_idx < ARRAY_SIZE(pwm_freq)-1) {
+ pwm_freq_idx++;
+ pwm_stop(0);
+ pwm_freq_set(0, pwm_freq[pwm_freq_idx]);
+ pwm_start(0);
+ pwm_duty_set_percent(0, 22); /* 22% of 9.43uS = 2.07uS */
+ }
+ break;
+ case 'u':
+ DEBUGPCRF("PA23 output high");
+ AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, AT91C_PIO_PA23);
+ AT91F_PIO_SetOutput(AT91C_BASE_PIOA, AT91C_PIO_PA23);
+ break;
+ case 'y':
+ DEBUGPCRF("PA23 output low");
+ AT91F_PIO_CfgOutput(AT91C_BASE_PIOA, AT91C_PIO_PA23);
+ AT91F_PIO_ClearOutput(AT91C_BASE_PIOA, AT91C_PIO_PA23);
+ break;
+ case 't':
+ DEBUGPCRF("PA23 PeriphA (PWM)");
+ AT91F_PIO_CfgPeriph(AT91C_BASE_PIOA, 0, AT91C_PA23_PWM0);
+ break;
+ case '?':
+ help();
+ break;
+ case '<':
+ tc_cdiv_phase_inc();
+ break;
case '>':
+ tc_cdiv_phase_dec();
+ break;
+ case '{':
+ if (cdiv_idx > 0)
+ cdiv_idx--;
+ tc_cdiv_set_divider(cdivs[cdiv_idx]);
+ break;
+ case '}':
+ if (cdiv_idx < ARRAY_SIZE(cdivs)-1)
+ cdiv_idx++;
+ tc_cdiv_set_divider(cdivs[cdiv_idx]);
+ break;
+ case 'v':
+ if (load_mod > 0)
+ load_mod--;
+ load_mod_level(load_mod);
+ DEBUGPCR("load_mod: %u\n", load_mod);
+ break;
+ case 'b':
+ if (load_mod < 3)
+ load_mod++;
+ load_mod_level(load_mod);
+ DEBUGPCR("load_mod: %u\n", load_mod);
break;
}
personal git repositories of Harald Welte. Your mileage may vary