Merge "abstract buses" changes with "fix SPI flash read"

This commit is contained in:
Dominic Spill
2015-12-20 15:28:29 +00:00
parent b985d9c899
commit 87f59de104
6 changed files with 22 additions and 22 deletions

View File

@ -268,7 +268,7 @@ void rf_path_set_direction(rf_path_t* const rf_path, const rf_path_direction_t d
#ifdef HACKRF_ONE
rf_path_set_antenna(rf_path, 0);
#endif
rf_path_set_lna(0);
rf_path_set_lna(rf_path, 0);
/* Set RF path to receive direction when "off" */
rf_path->switchctrl &= ~SWITCHCTRL_TX;
rffc5071_disable(&rffc5072);

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@ -201,24 +201,27 @@ void w25q80bv_program(w25q80bv_driver_t* const drv, uint32_t addr, uint32_t len,
}
}
void w25q80bv_read(uint32_t addr, uint32_t len, uint8_t* const data)
/* write an arbitrary number of bytes */
void w25q80bv_read(w25q80bv_driver_t* const drv, uint32_t addr, uint32_t len, uint8_t* const data)
{
uint32_t i;
/* do nothing if we would overflow the flash */
if ((len > W25Q80BV_NUM_BYTES) || (addr > W25Q80BV_NUM_BYTES)
|| ((addr + len) > W25Q80BV_NUM_BYTES))
if ((len > drv->num_bytes) || (addr > drv->num_bytes)
|| ((addr + len) > drv->num_bytes))
return;
w25q80bv_wait_while_busy();
w25q80bv_wait_while_busy(drv);
gpio_clear(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
ssp_transfer(SSP0_NUM, W25Q80BV_FAST_READ);
ssp_transfer(SSP0_NUM, (addr >> 16) & 0xFF);
ssp_transfer(SSP0_NUM, (addr >> 8) & 0xFF);
ssp_transfer(SSP0_NUM, (addr >> 0) & 0xFF);
ssp_transfer(SSP0_NUM, 0xFF);
for (i = 0; i < len; i++)
data[i] = ssp_transfer(SSP0_NUM, 0xFF);
gpio_set(PORT_SSP0_SSEL, PIN_SSP0_SSEL);
uint8_t header[] = {
W25Q80BV_FAST_READ,
(addr & 0xFF0000) >> 16,
(addr & 0xFF00) >> 8,
addr & 0xFF
};
const spi_transfer_t transfers[] = {
{ header, ARRAY_SIZE(header) },
{ data, len }
};
spi_bus_transfer_gather(drv->bus, transfers, ARRAY_SIZE(transfers));
}

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@ -55,6 +55,6 @@ void w25q80bv_chip_erase(w25q80bv_driver_t* const drv);
void w25q80bv_program(w25q80bv_driver_t* const drv, uint32_t addr, uint32_t len, uint8_t* data);
uint8_t w25q80bv_get_device_id(w25q80bv_driver_t* const drv);
void w25q80bv_get_unique_id(w25q80bv_driver_t* const drv, w25q80bv_unique_id_t* unique_id);
void w25q80bv_read(uint32_t addr, uint32_t len, uint8_t* const data);
void w25q80bv_read(w25q80bv_driver_t* const drv, uint32_t addr, uint32_t len, uint8_t* const data);
#endif//__W25Q80BV_H__

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@ -221,9 +221,6 @@ int main(void) {
#endif
cpu_clock_init();
/* Code is not running from SPI flash, initialize for flash read/write over USB */
w25q80bv_setup();
usb_set_descriptor_by_serial_number();
usb_set_configuration_changed_cb(usb_configuration_changed);

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@ -96,7 +96,7 @@ usb_request_status_t usb_vendor_request_read_spiflash(
|| ((addr + len) > spi_flash.num_bytes)) {
return USB_REQUEST_STATUS_STALL;
} else {
w25q80bv_read(addr, len, &spiflash_buffer[0]);
w25q80bv_read(&spi_flash, addr, len, &spiflash_buffer[0]);
usb_transfer_schedule_block(endpoint->in, &spiflash_buffer[0], len,
NULL, NULL);
return USB_REQUEST_STATUS_OK;