1 files changed, 0 insertions, 121 deletions
diff --git a/stm32/app/adc.c b/stm32/app/adc.c
deleted file mode 100644
index ee6a4f3..0000000
--- a/stm32/app/adc.c
+++ /dev/null
@@ -1,121 +0,0 @@
-#include "project.h"
-
-#define T do { printf("%s:%d\r\n",__FILE__,__LINE__); } while (0)
-
-void adc_dump (void)
-{
-  printf ("ADC_SR %x ADC_CR1 %x ADC_CR2 %x\r\n", (unsigned) ADC_SR (ADC1),
-          (unsigned) ADC_CR1 (ADC1),
-          (unsigned) ADC_CR2 (ADC1));
-
-}
-
-
-volatile unsigned timeout;
-
-
-void adc_tick (void)
-{
-  if (timeout) timeout--;
-}
-
-
-static int adc_wait (volatile uint32_t *reg, uint32_t wait_while_set, uint32_t  wait_while_clear, unsigned ms)
-{
-  timeout = MS_TO_TICKS (ms);
-
-
-  while ((*reg) & wait_while_set)
-    if (!timeout) {
-      printf ("QADC timeout\r\n");
-      return -1;
-    }
-
-
-  while ((~ (*reg)) & wait_while_clear)
-    if (!timeout) {
-      printf ("QADC timeout\r\n");
-      return -1;
-    }
-
-
-  return 0;
-}
-
-
-
-int adc_calibrate (void)
-{
-  adc_off (ADC1);
-  adc_power_on (ADC1);
-  delay_ms (5);
-
-  ADC_CR2 (ADC1) |= ADC_CR2_RSTCAL;
-
-  if (adc_wait (&ADC_CR2 (ADC1), ADC_CR2_CAL, 0, 2)) return -1;
-
-  ADC_CR2 (ADC1) |= ADC_CR2_CAL;
-
-  if (adc_wait (&ADC_CR2 (ADC1), ADC_CR2_CAL, 0, 2)) return -1;
-
-  return 0;
-}
-
-
-
-
-unsigned adc_convert (unsigned channel)
-{
-  uint8_t ch = channel;
-
-  adc_calibrate();
-
-  adc_set_regular_sequence (ADC1, 1, &ch);
-
-  /* Start conversion on regular channels. */
-  ADC_CR2 (ADC1) |= ADC_CR2_SWSTART;
-
-  if (adc_wait (&ADC_CR2 (ADC1), ADC_CR2_SWSTART, 0, 2))
-    return 0;
-
-  if (adc_wait (&ADC_SR (ADC1), 0, ADC_SR_EOC, 2))
-    return 0;
-
-  return adc_read_regular (ADC1);
-}
-
-void adc_init (void)
-{
-  /* main set ADC clock is 9Mhz */
-
-  adc_dump();
-
-  adc_off (ADC1);
-  rcc_periph_clock_enable (RCC_ADC1);
-#if 0
-  rcc_peripheral_reset (&RCC_APB2RSTR, RCC_APB2RSTR_ADC1RST);
-  rcc_peripheral_clear_reset (&RCC_APB2RSTR, RCC_APB2RSTR_ADC1RST);
-#endif
-
-  adc_set_dual_mode (ADC_CR1_DUALMOD_IND);
-  adc_disable_scan_mode (ADC1);
-  adc_enable_temperature_sensor (ADC1);
-  adc_set_single_conversion_mode (ADC1);
-
-  adc_set_sample_time (ADC1, ADC_CHANNEL0, ADC_SMPR_SMP_239DOT5CYC);
-  adc_set_sample_time (ADC1, ADC_CHANNEL17, ADC_SMPR_SMP_239DOT5CYC); /*Want 17.1uS , which is 154 cycles */
-  adc_enable_external_trigger_regular (ADC1, ADC_CR2_EXTSEL_SWSTART);
-
-  adc_set_right_aligned (ADC1);
-
-
-  adc_dump();
-
-  adc_calibrate();
-
-  adc_dump();
-
-
-
-}
-