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spi reg

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This commit is contained in:
Дима Федоренко
2022-02-02 11:19:57 +03:00
parent 13f4055735
commit a08371ee9a
1 changed files with 13 additions and 3 deletions
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16
Core/Src/main.c
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@@ -134,20 +134,30 @@ int main(void)
if(res != 0) return res;
while (1)
{
while(!flag_transmit);
CS1_ON();
res = HAL_SPI_TransmitReceive_IT(&hspi1, data_in, data_out, sizeof(data_in) / sizeof(data_in[0]));
hspi1.Instance->DR = data_in[0]; // output something on MOSI while reading MISO
while ((hspi1.Instance->SR & SPI_FLAG_RXNE) == 0){} //Wait for Data Ready to Read
data_out[0] = hspi1.Instance->DR;
//res = HAL_SPI_TransmitReceive_IT(&hspi1, data_in, data_out, sizeof(data_in) / sizeof(data_in[0]));
while(!flag_receive && res == 0);
CS1_OFF();
flag_receive = 0;
CS2_ON();
res = HAL_SPI_TransmitReceive_IT(&hspi1, data_in, &data_out[6], sizeof(data_in) / sizeof(data_in[0]));
hspi1.Instance->DR = data_in[0]; // output something on MOSI while reading MISO
while ((hspi1.Instance->SR & SPI_FLAG_RXNE) == 0){} //Wait for Data Ready to Read
data_out[0] = hspi1.Instance->DR;
//res = HAL_SPI_TransmitReceive_IT(&hspi1, data_in, &data_out[6], sizeof(data_in) / sizeof(data_in[0]));
while(!flag_receive && res == 0);
CS2_OFF();
flag_receive = 0;
CS3_ON();
res = HAL_SPI_TransmitReceive_IT(&hspi1, data_in, &data_out[12], sizeof(data_in) / sizeof(data_in[0]));
hspi1.Instance->DR = data_in[0]; // output something on MOSI while reading MISO
while ((hspi1.Instance->SR & SPI_FLAG_RXNE) == 0){} //Wait for Data Ready to Read
data_out[0] = hspi1.Instance->DR;
//res = HAL_SPI_TransmitReceive_IT(&hspi1, data_in, &data_out[12], sizeof(data_in) / sizeof(data_in[0]));
while(!flag_receive && res == 0) ;
CS3_OFF();
flag_receive = 0;