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CC1101: explicitly configure SPI

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This commit is contained in:
Aleksandr Kutuzov 2020-10-21 15:06:18 +03:00
parent adb319b912
commit aced0ee961
1 changed files with 23 additions and 2 deletions
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25
applications/cc1101-workaround/cc1101.cpp
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@ -23,11 +23,34 @@ CC1101::CC1101(GpioPin ss_pin) {
//******************************************************************************
//SpiInit
/******************************************************************************/
extern SPI_HandleTypeDef hspi3;
void CC1101::SpiInit(void) {
//initialize spi pins
//Enable spi master, MSB, SPI mode 0, FOSC/4
SpiMode(0);
if (HAL_SPI_DeInit(&hspi3) != HAL_OK) {
Error_Handler();
}
hspi3.Init.Mode = SPI_MODE_MASTER;
hspi3.Init.Direction = SPI_DIRECTION_2LINES;
hspi3.Init.DataSize = SPI_DATASIZE_8BIT;
hspi3.Init.CLKPolarity = SPI_POLARITY_LOW;
hspi3.Init.CLKPhase = SPI_PHASE_1EDGE;
hspi3.Init.NSS = SPI_NSS_SOFT;
hspi3.Init.BaudRatePrescaler = SPI_BAUDRATEPRESCALER_64;
hspi3.Init.FirstBit = SPI_FIRSTBIT_MSB;
hspi3.Init.TIMode = SPI_TIMODE_DISABLE;
hspi3.Init.CRCCalculation = SPI_CRCCALCULATION_DISABLE;
hspi3.Init.CRCPolynomial = 7;
hspi3.Init.CRCLength = SPI_CRC_LENGTH_DATASIZE;
hspi3.Init.NSSPMode = SPI_NSS_PULSE_DISABLE;
if (HAL_SPI_Init(&hspi3) != HAL_OK) {
Error_Handler();
}
}
void CC1101::SpiEnd(void) {
@ -68,8 +91,6 @@ void CC1101::SpiMode(byte config) {
*INPUT :value: data to send
*OUTPUT :data to receive
****************************************************************/
extern SPI_HandleTypeDef hspi3;
byte CC1101::SpiTransfer(byte value) {
uint8_t buf[1] = {value};
uint8_t rxbuf[1] = {0};