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implement SPI flash chip

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This commit is contained in:
Joey Castillo
2022-01-26 22:39:09 -05:00
parent b2dbc4feeb
commit 523a5d2f0b
9 changed files with 265 additions and 33 deletions
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16
watch-library/hardware/watch/watch_spi.c
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@@ -37,10 +37,18 @@ void watch_disable_spi(void) {
spi_io = NULL;
}
void watch_spi_send(uint8_t *buf, uint16_t length) {
io_write(spi_io, buf, length);
bool watch_spi_write(const uint8_t *buf, uint16_t length) {
return !!io_write(spi_io, buf, length);
}
void watch_spi_receive(uint8_t *buf, uint16_t length) {
io_read(spi_io, buf, length);
bool watch_spi_read(uint8_t *buf, uint16_t length) {
return !!io_read(spi_io, buf, length);
}
bool watch_spi_transfer(const uint8_t *data_out, uint8_t *data_in, uint16_t length) {
struct spi_xfer xfer;
xfer.txbuf = (uint8_t *)data_out;
xfer.rxbuf = data_in;
xfer.size = length;
return !!spi_m_sync_transfer(&SPI_0, &xfer);
}