DigitalInfinity/ESP32-PaxCounter
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Revert "SPI wire interface (experimental)"

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This reverts commit 00b1faab83.
This commit is contained in:
Christian Ambach 2018-10-31 09:44:06 +01:00
parent dbb91b1a40
commit 3af348fb65
1 changed files with 13 additions and 11 deletions
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24
src/spisend.cpp
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@ -41,32 +41,34 @@ void spi_loop(void *pvParameters) {
void hal_spi_init() { SPI.begin(SCK, MISO, MOSI, SS); } void hal_spi_init() { SPI.begin(SCK, MISO, MOSI, SS); }
void hal_spi_trx(uint8_t port, uint8_t *buf, int len, uint8_t is_read) { void hal_spi_trx(u1_t cmd, u1_t *buf, int len, u1_t is_read) {
u1_t nss = SS;
SPISettings settings(1E6, MSBFIRST, SPI_MODE0); SPISettings settings(1E6, MSBFIRST, SPI_MODE0);
SPI.beginTransaction(settings); SPI.beginTransaction(settings);
digitalWrite(SS, 0);
SPI.transfer(port); digitalWrite(nss, 0);
for (uint8_t i = 0; i < len; i++) { SPI.transfer(cmd);
uint8_t *p = buf + i;
uint8_t data = is_read ? 0x00 : *p; for (u1_t i = 0; i < len; i++) {
u1_t *p = buf + i;
u1_t data = is_read ? 0x00 : *p;
data = SPI.transfer(data); data = SPI.transfer(data);
if (is_read) if (is_read)
*p = data; *p = data;
} }
digitalWrite(SS, 1); digitalWrite(nss, 1);
SPI.endTransaction(); SPI.endTransaction();
} }
void hal_spi_write(uint8_t port, const uint8_t *buf, int len) { void hal_spi_write(u1_t cmd, const u1_t *buf, int len) {
hal_spi_trx(port, (uint8_t *)buf, len, 0); hal_spi_trx(cmd, (u1_t *)buf, len, 0);
} }
void hal_spi_read(uint8_t port, uint8_t *buf, int len) { void hal_spi_read(u1_t cmd, u1_t *buf, int len) {
hal_spi_trx(port, buf, len, 1); hal_spi_trx(cmd, buf, len, 1);
} }
#endif // HAS_SPI #endif // HAS_SPI