jaseg/master-thesis
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

having problems with dma m2m mode

Browse source
This commit is contained in:
jaseg 2020-03-13 18:19:02 +01:00
parent 838eb6b26e
commit 1b7ae0aeef
3 changed files with 20 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

9
controller/fw/src/main.c
View file

@ -96,6 +96,8 @@ static void spi_flash_if_set_cs(bool val) {
static void spi_flash_setup(void)
{
RCC->AHB1ENR |= RCC_AHB1ENR_GPIOBEN;
GPIOB->MODER &= ~GPIO_MODER_MODER3_Msk & ~GPIO_MODER_MODER4_Msk & ~GPIO_MODER_MODER5_Msk & ~GPIO_MODER_MODER0_Msk;
GPIOB->MODER |= (2<<GPIO_MODER_MODER3_Pos) /* SCK */
| (2<<GPIO_MODER_MODER4_Pos) /* MISO */
@ -114,7 +116,7 @@ static void spi_flash_setup(void)
RCC->APB2ENR |= RCC_APB2ENR_SPI1EN;
RCC->APB2RSTR |= RCC_APB2RSTR_SPI1RST;
RCC->APB2RSTR &= RCC_APB2RSTR_SPI1RST;
RCC->APB2RSTR &= ~RCC_APB2RSTR_SPI1RST;
spif_init(&spif, 256, SPI1, &spi_flash_if_set_cs);
}
@ -142,6 +144,7 @@ void spi_flash_test(void) {
static unsigned int measurement_errors = 0;
static struct dsss_demod_state demod_state;
static uint32_t freq_sample_ts = 0;
static uint32_t debug_last_freq = 0;
int main(void)
{
@ -152,14 +155,18 @@ int main(void)
while (23) {
if (adc_fft_buf_ready_idx != -1) {
/*
float out;
if (adc_buf_measure_freq(adc_fft_buf[adc_fft_buf_ready_idx], &out)) {
measurement_errors++;
continue;
}
debug_last_freq = out;
dsss_demod_init(&demod_state);
dsss_demod_step(&demod_state, out, freq_sample_ts);
*/
freq_sample_ts++; /* TODO: also increase in case of freq measurement error? */
adc_fft_buf_ready_idx = -1;