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sw: experimental improved dfu performance

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Signed-off-by: Sean Cross <sean@xobs.io>
This commit is contained in:
Sean Cross
2019-04-03 22:11:31 +08:00
parent 4c3f0f2402
commit d72925fdeb
2 changed files with 8 additions and 2 deletions
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2
sw/src/dfu.c
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@@ -73,7 +73,7 @@ static struct toboot_state {
static dfu_state_t dfu_state = dfuIDLE; static dfu_state_t dfu_state = dfuIDLE;
static dfu_status_t dfu_status = OK; static dfu_status_t dfu_status = OK;
static unsigned dfu_poll_timeout_ms = 100; static unsigned dfu_poll_timeout_ms = 1;
static uint32_t dfu_buffer[DFU_TRANSFER_SIZE/4]; static uint32_t dfu_buffer[DFU_TRANSFER_SIZE/4];
static uint32_t dfu_buffer_offset; static uint32_t dfu_buffer_offset;

8
sw/src/spi.c
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@@ -32,13 +32,17 @@ static void gpioWrite(int pin, int val) {
do_mirror |= 1 << pin; do_mirror |= 1 << pin;
else else
do_mirror &= ~(1 << pin); do_mirror &= ~(1 << pin);
bbspi_do_write(do_mirror); // bbspi_do_write(do_mirror);
} }
static int gpioRead(int pin) { static int gpioRead(int pin) {
return !!(bbspi_di_read() & (1 << pin)); return !!(bbspi_di_read() & (1 << pin));
} }
static void gpioSync(void) {
bbspi_do_write(do_mirror);
}
#define SPI_ONLY_SINGLE #define SPI_ONLY_SINGLE
enum ff_spi_quirks { enum ff_spi_quirks {
@@ -161,11 +165,13 @@ void spiBegin(struct ff_spi *spi) {
gpioWrite(spi->pins.hold, 1); gpioWrite(spi->pins.hold, 1);
} }
gpioWrite(spi->pins.cs, 0); gpioWrite(spi->pins.cs, 0);
gpioSync();
} }
void spiEnd(struct ff_spi *spi) { void spiEnd(struct ff_spi *spi) {
(void)spi; (void)spi;
gpioWrite(spi->pins.cs, 1); gpioWrite(spi->pins.cs, 1);
gpioSync();
} }
static uint8_t spiXfer(struct ff_spi *spi, uint8_t out) { static uint8_t spiXfer(struct ff_spi *spi, uint8_t out) {